| #ifndef _GPXE_ICMP_H | |
| #define _GPXE_ICMP_H | |
| /** @file | |
| * | |
| * ICMP protocol | |
| * | |
| */ | |
| FILE_LICENCE ( GPL2_OR_LATER ); | |
| /** An ICMP header */ | |
| struct icmp_header { | |
| /** Type */ | |
| uint8_t type; | |
| /** Code */ | |
| uint8_t code; | |
| /** Checksum */ | |
| uint16_t chksum; | |
| } __attribute__ (( packed )); | |
| #define ICMP_ECHO_RESPONSE 0 | |
| #define ICMP_ECHO_REQUEST 8 | |
| #endif /* _GPXE_ICMP_H */ |