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| author | Denis Vlasenko | 2006-11-18 19:51:32 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2006-11-18 19:51:32 +0000 |
| commit | 5a3395bc01cd4b11309595a6ecdaf32f8279f378 (patch) | |
| tree | 1e63aa591a05e9ec75aefdcd639ca4188e583648 /networking/udhcp/arpping.c | |
| parent | abfc4cf6d8b9c59724aceb70df5081a1368fdb62 (diff) | |
| download | busybox-5a3395bc01cd4b11309595a6ecdaf32f8279f378.zip busybox-5a3395bc01cd4b11309595a6ecdaf32f8279f378.tar.gz | |
udhcp: fix indentation and style.
Eliminate (group) a lot of smallish *.h files
Remove lots of unneeded #includes
Diffstat (limited to 'networking/udhcp/arpping.c')
| -rw-r--r-- | networking/udhcp/arpping.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c index 2716a28..471e36d 100644 --- a/networking/udhcp/arpping.c +++ b/networking/udhcp/arpping.c @@ -6,18 +6,31 @@ * by Yoichi Hariguchi <yoichi@fore.com> */ -#include <time.h> -#include <sys/socket.h> #include <netinet/if_ether.h> #include <net/if_arp.h> -#include <netinet/in.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include "dhcpd.h" -#include "arpping.h" #include "common.h" +#include "dhcpd.h" + + +struct arpMsg { + /* Ethernet header */ + u_char h_dest[6]; /* destination ether addr */ + u_char h_source[6]; /* source ether addr */ + u_short h_proto; /* packet type ID field */ + + /* ARP packet */ + uint16_t htype; /* hardware type (must be ARPHRD_ETHER) */ + uint16_t ptype; /* protocol type (must be ETH_P_IP) */ + uint8_t hlen; /* hardware address length (must be 6) */ + uint8_t plen; /* protocol address length (must be 4) */ + uint16_t operation; /* ARP opcode */ + uint8_t sHaddr[6]; /* sender's hardware address */ + uint8_t sInaddr[4]; /* sender's IP address */ + uint8_t tHaddr[6]; /* target's hardware address */ + uint8_t tInaddr[4]; /* target's IP address */ + uint8_t pad[18]; /* pad for min. Ethernet payload (60 bytes) */ +} ATTRIBUTE_PACKED; /* args: yiaddr - what IP to ping * ip - our ip |