+/* vi: set sw=4 ts=4: */
/*
* arpping .h
*/
#include <netinet/in.h>
struct arpMsg {
- struct ethhdr ethhdr; /* Ethernet header */
- u_short htype; /* hardware type (must be ARPHRD_ETHER) */
- u_short ptype; /* protocol type (must be ETH_P_IP) */
- u_char hlen; /* hardware address length (must be 6) */
- u_char plen; /* protocol address length (must be 4) */
- u_short operation; /* ARP opcode */
- u_char sHaddr[6]; /* sender's hardware address */
- u_char sInaddr[4]; /* sender's IP address */
- u_char tHaddr[6]; /* target's hardware address */
- u_char tInaddr[4]; /* target's IP address */
- u_char pad[18]; /* pad for min. Ethernet payload (60 bytes) */
-};
+ /* 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(u_int32_t yiaddr, u_int32_t ip, unsigned char *arp, char *interface);
+int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
#endif