1 #ifndef __LINUX_PIM_H 2 #define __LINUX_PIM_H 3 4 #include <asm/byteorder.h> 5 6 struct pim { 7 #if defined(__LITTLE_ENDIAN_BITFIELD) 8 __u8 pim_type:4, /* PIM message type */ 9 pim_ver:4; /* PIM version */ 10 #elif defined(__BIG_ENDIAN_BITFIELD) 11 __u8 pim_ver:4; /* PIM version */ 12 pim_type:4; /* PIM message type */ 13 #endif 14 __u8 pim_rsv; /* Reserved */ 15 __be16 pim_cksum; /* Checksum */ 16 }; 17 18 #define PIM_MINLEN 8 19 20 /* Message types - V1 */ 21 #define PIM_V1_VERSION __constant_htonl(0x10000000) 22 #define PIM_V1_REGISTER 1 23 24 /* Message types - V2 */ 25 #define PIM_VERSION 2 26 #define PIM_REGISTER 1 27 28 #endif 29