source: MondoRescue/branches/stable/mindi-busybox/networking/udhcp/arpping.h @ 821

Last change on this file since 821 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 1.0 KB
Line 
1/*
2 * arpping .h
3 */
4
5#ifndef ARPPING_H
6#define ARPPING_H
7
8#include <netinet/if_ether.h>
9#include <net/if_arp.h>
10#include <net/if.h>
11#include <netinet/in.h>
12
13struct arpMsg {
14    /* Ethernet header */
15    u_char   h_dest[6];         /* destination ether addr */
16    u_char   h_source[6];           /* source ether addr */
17    u_short  h_proto;           /* packet type ID field */
18
19    /* ARP packet */
20    uint16_t htype;             /* hardware type (must be ARPHRD_ETHER) */
21    uint16_t ptype;             /* protocol type (must be ETH_P_IP) */
22    uint8_t  hlen;              /* hardware address length (must be 6) */
23    uint8_t  plen;              /* protocol address length (must be 4) */
24    uint16_t operation;         /* ARP opcode */
25    uint8_t  sHaddr[6];         /* sender's hardware address */
26    uint8_t  sInaddr[4];            /* sender's IP address */
27    uint8_t  tHaddr[6];         /* target's hardware address */
28    uint8_t  tInaddr[4];            /* target's IP address */
29    uint8_t  pad[18];           /* pad for min. Ethernet payload (60 bytes) */
30} ATTRIBUTE_PACKED;
31
32/* function prototypes */
33int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
34
35#endif
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