/* igmpLib.c - igmp protocol interface library *//* Copyright 1984 - 2001 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01b,15oct01,rae  merge from truestack ver 01c, base 01a (IGMPv2)01a,20jan97,vin written*//*DESCRIPTIONThis library contains the interface to the igmp protocol. The IGMP protocolis configured in this library. The routine igmpLibInit() is responsible for configuring the IGMP protocolwith various parameters.INCLUDE FILES: netLib.h.pG "Network"NOMANUAL*//* includes */#include "vxWorks.h"#include "netLib.h"#include "net/protosw.h"#include "net/domain.h"#include "net/mbuf.h"#include "netinet/in.h"#include "netinet/in_systm.h"#include "netinet/in_pcb.h"#include "netinet/ip.h"#include "netinet/ip_var.h"#include "netinet/igmp_var.h"#ifdef VIRTUAL_STACK#include "netinet/vsLib.h"#endif/* externs */#ifndef VIRTUAL_STACKIMPORT int	_protoSwIndex;IMPORT struct 	protosw inetsw [IP_PROTO_NUM_MAX]; #endif/* globals *//* defines *//* typedefs *//* locals */STATUS igmpLibInit (void)    {    FAST struct protosw	* pProtoSwitch;     if (_protoSwIndex >= sizeof(inetsw)/sizeof(inetsw[0]))	return (ERROR) ;    pProtoSwitch = &inetsw [_protoSwIndex];     if (pProtoSwitch->pr_domain != NULL)	return (OK); 				/* already initialized */    pProtoSwitch->pr_type   	=  SOCK_RAW;    pProtoSwitch->pr_domain   	=  &inetdomain;    pProtoSwitch->pr_protocol   =  IPPROTO_IGMP;    pProtoSwitch->pr_flags	=  PR_ATOMIC | PR_ADDR;    pProtoSwitch->pr_input	=  igmp_input;    pProtoSwitch->pr_output	=  rip_output;    pProtoSwitch->pr_ctlinput	=  0;    pProtoSwitch->pr_ctloutput	=  rip_ctloutput;    pProtoSwitch->pr_usrreq	=  rip_usrreq;    pProtoSwitch->pr_init	=  igmp_init;    pProtoSwitch->pr_fasttimo	=  igmp_fasttimo;    pProtoSwitch->pr_slowtimo	=  igmp_slowtimo;    pProtoSwitch->pr_drain	=  0;    pProtoSwitch->pr_sysctl	=  0;    _protoSwIndex++;     return (OK);     }