/* ICMP header contains: type, code, checksum, identifier and sequence number. */
#define ICMP_ECHO_HEADER_BYTES 8
#define ICMP_ECHO_DATA_BYTES sizeof(struct timeval)
#define ICMP_ECHO_PACKET_BYTES ICMP_ECHO_HEADER_BYTES + ICMP_ECHO_DATA_BYTES
/* ICMP header contains: type, code, checksum, identifier and sequence number. */
#define ICMP_ECHO_HEADER_BYTES 8
#define ICMP_ECHO_DATA_BYTES sizeof(struct timeval)
#define ICMP_ECHO_PACKET_BYTES ICMP_ECHO_HEADER_BYTES + ICMP_ECHO_DATA_BYTES