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- #ifndef __LINUX_PIM_H
- #define __LINUX_PIM_H
- #include <asm/byteorder.h>
- /* Message types - V1 */
- #define PIM_V1_VERSION cpu_to_be32(0x10000000)
- #define PIM_V1_REGISTER 1
- /* Message types - V2 */
- #define PIM_VERSION 2
- #define PIM_REGISTER 1
- #define PIM_NULL_REGISTER cpu_to_be32(0x40000000)
- static inline bool ipmr_pimsm_enabled(void)
- {
- return IS_BUILTIN(CONFIG_IP_PIMSM_V1) || IS_BUILTIN(CONFIG_IP_PIMSM_V2);
- }
- /* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */
- struct pimreghdr
- {
- __u8 type;
- __u8 reserved;
- __be16 csum;
- __be32 flags;
- };
- struct sk_buff;
- extern int pim_rcv_v1(struct sk_buff *);
- #endif
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