| #ifndef _IF_ARP_H | |
| #define _IF_ARP_H | |
| #define ARP_REQUEST 1 | |
| #define ARP_REPLY 2 | |
| /* | |
| * A pity sipaddr and tipaddr are not longword aligned or we could use | |
| * in_addr. No, I don't want to use #pragma packed. | |
| */ | |
| struct arprequest { | |
| uint16_t hwtype; | |
| uint16_t protocol; | |
| uint8_t hwlen; | |
| uint8_t protolen; | |
| uint16_t opcode; | |
| uint8_t shwaddr[6]; | |
| uint8_t sipaddr[4]; | |
| uint8_t thwaddr[6]; | |
| uint8_t tipaddr[4]; | |
| } PACKED; | |
| #endif /* _IF_ARP_H */ |