| YOSHIFUJI Hideaki | 2e80462 | 2008-04-03 09:22:09 +0900 | [diff] [blame] | 1 | #ifndef __LINUX_PIM_H |
| 2 | #define __LINUX_PIM_H |
| 3 | |
| 4 | #include <asm/byteorder.h> |
| 5 | |
| YOSHIFUJI Hideaki | 80a9492 | 2008-04-03 09:22:52 +0900 | [diff] [blame] | 6 | #ifndef __KERNEL__ |
| 7 | struct pim { |
| 8 | #if defined(__LITTLE_ENDIAN_BITFIELD) |
| 9 | __u8 pim_type:4, /* PIM message type */ |
| 10 | pim_ver:4; /* PIM version */ |
| 11 | #elif defined(__BIG_ENDIAN_BITFIELD) |
| 12 | __u8 pim_ver:4; /* PIM version */ |
| 13 | pim_type:4; /* PIM message type */ |
| 14 | #endif |
| 15 | __u8 pim_rsv; /* Reserved */ |
| 16 | __be16 pim_cksum; /* Checksum */ |
| 17 | }; |
| 18 | |
| 19 | #define PIM_MINLEN 8 |
| 20 | #endif |
| 21 | |
| YOSHIFUJI Hideaki | 2e80462 | 2008-04-03 09:22:09 +0900 | [diff] [blame] | 22 | /* Message types - V1 */ |
| 23 | #define PIM_V1_VERSION __constant_htonl(0x10000000) |
| 24 | #define PIM_V1_REGISTER 1 |
| 25 | |
| 26 | /* Message types - V2 */ |
| 27 | #define PIM_VERSION 2 |
| 28 | #define PIM_REGISTER 1 |
| 29 | |
| 30 | #if defined(__KERNEL__) |
| 31 | #define PIM_NULL_REGISTER __constant_htonl(0x40000000) |
| 32 | |
| 33 | /* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */ |
| 34 | struct pimreghdr |
| 35 | { |
| 36 | __u8 type; |
| 37 | __u8 reserved; |
| 38 | __be16 csum; |
| 39 | __be32 flags; |
| 40 | }; |
| 41 | |
| 42 | struct sk_buff; |
| 43 | extern int pim_rcv_v1(struct sk_buff *); |
| 44 | #endif |
| 45 | #endif |