linux/include/linux/pim.h
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   1#ifndef __LINUX_PIM_H
   2#define __LINUX_PIM_H
   3
   4#include <asm/byteorder.h>
   5
   6/* Message types - V1 */
   7#define PIM_V1_VERSION          cpu_to_be32(0x10000000)
   8#define PIM_V1_REGISTER         1
   9
  10/* Message types - V2 */
  11#define PIM_VERSION             2
  12#define PIM_REGISTER            1
  13
  14#define PIM_NULL_REGISTER       cpu_to_be32(0x40000000)
  15
  16/* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */
  17struct pimreghdr
  18{
  19        __u8    type;
  20        __u8    reserved;
  21        __be16  csum;
  22        __be32  flags;
  23};
  24
  25struct sk_buff;
  26extern int pim_rcv_v1(struct sk_buff *);
  27#endif
  28