diff options
Diffstat (limited to 'networking/udhcp/arpping.h')
| -rw-r--r-- | networking/udhcp/arpping.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/networking/udhcp/arpping.h b/networking/udhcp/arpping.h new file mode 100644 index 0000000..30959ca --- /dev/null +++ b/networking/udhcp/arpping.h @@ -0,0 +1,35 @@ +/* + * arpping .h + */ + +#ifndef ARPPING_H +#define ARPPING_H + +#include <netinet/if_ether.h> +#include <net/if_arp.h> +#include <net/if.h> +#include <netinet/in.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; + +/* function prototypes */ +int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface); + +#endif |