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/* m2Ipv6IcmpLib.c - MIB-II IPv6 ICMPv6-group API for SNMP Agents */
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/* Copyright 2002-2005 Wind River Systems, Inc. */
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/*
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modification history
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--------------------
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01i,12jan05,vvv osdep.h cleanup
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01h,02feb04,pas changed for new avlLib without GENERIC_ARGUMENT.
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01g,20nov03,niq osdep.h cleanup
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01e,10nov03,rlm 2nd pass of include update for header re-org.
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01d,06nov03,rlm Ran batch header update for header re-org.
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01c,08sep03,vvv merged from ACCORDION_BASE6_MERGE_BASELINE
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01b,10apr03,ijm fixed diab compiler warnings
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01a,12apr02,ant written
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*/
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/*
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DESCRIPTION
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This library provides MIB-II services for the ICMPv6 group for IPv6. It
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provides routines to initialize the group, and to access the per-interface
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ICMPv6 statistics table. For a broader description of IPv6 MIB-II services,
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see the manual entry for m2Ipv6Lib.
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To use this feature, include the following component:
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INCLUDE_MIB2_ICMPV6
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USING THIS LIBRARY
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This library can be initialized and deleted by calling the routines
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m2Ipv6IfIcmpInit() and m2Ipv6IfIcmpDelete() respectively, if only the ICMPv6
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group's services are needed. If full IPv6 MIB-II support is used, this group
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and all other IPv6 groups can be initialized and deleted by calling
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m2Ipv6Init() and m2Ipv6Delete().
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The ICMPv6 table of statistics can be accessed in lexicographical order. The
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first entry in the table can be accessed by setting the table index to
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zero. Every other entry thereafter can be accessed by passing to
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m2Ipv6IfIcmpTblGet() the index retrieved in the previous invocation
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by giving M2_NEXT_VALUE as the search parameter. For example:
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.CS
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M2_IPV6IFICMPTBL icmpv6Entry;
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int index;
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/@ Specify a zero index to get the first entry in the table @/
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index = 0; /@ Interface index @/
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/@ get the first entry in the table @/
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if ((m2Ipv6IfIcmpTblGet (M2_NEXT_VALUE, &index, &icmpv6Entry) == OK)
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/@ values in icmpv6Entry in the first entry are valid @/
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/@ process first entry in the table @/
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/@ get the second entry in the table @/
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if ((m2Ipv6IfIcmpTblGet (M2_NEXT_VALUE, &index, &icmpv6Entry) == OK)
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/@ values in icmpv6Entry in the second entry are valid @/
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.CE
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INCLUDE FILES: m2Ipv6Lib.h
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SEE ALSO:
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m2Ipv6Lib, m2Ipv6IfLib, m2Ipv6TcpLib, m2Ipv6UdpLib, m2Ipv6MldLib */
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/* includes */
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#include <vxWorks.h>
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#include <ioctl.h>
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#include <ioLib.h>
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#include <netconf.h>
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#include <sockLib.h>
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#include <net/socketvar.h>
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#include <sys/socket.h>
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#include <m2Lib.h>
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#include <m2Ipv6Lib.h>
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#include <netinet/in.h>
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#include <netinet/in_var.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet6/icmp6.h>
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#include "errnoLib.h"
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#include "semLib.h"
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#ifdef VIRTUAL_STACK
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#include <netinet/vsLib.h>
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#include <netinet/vsIcmp.h> /* for _icmpstat definition */
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#include <netinet/vsData.h>
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#include <netinet/vsM2.h>
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#endif /* VIRTUAL_STACK */
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/* external declarations */
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#ifndef VIRTUAL_STACK
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extern AVLU_TREE pM2IfRoot; /* defined in m2IfLib.c */
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extern int ifsInList; /* defined in m2IfLib.c */
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#endif /* VIRTUAL_STACK */
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/* forward declarations */
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/*******************************************************************************
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*
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* m2Ipv6IfIcmpInit - initialize MIB-II IPv6 ICMPv6-group access
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*
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* This routine allocates the resources needed to allow access to the MIB-II
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* ICMPv6-group variables. This routine must be called before any ICMPv6
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* variables can be accessed.
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*
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* RETURNS: OK, always.
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*
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* SEE ALSO: m2Ipv6IfIcmpTblGet(), m2Ipv6IfIcmpDelete()
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*/
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STATUS m2Ipv6IfIcmpInit (void)
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{
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return (OK);
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}
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/******************************************************************************
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*
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* m2Ipv6IfIcmpTblGet - get the MIB-II IPv6 ICMPv6-group table entry
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*
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* This routine fills in the structure at <pIcmpv6Info> with the per-interface
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* ICMPv6 statistics.
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* This routine traverses the ICMPv6 statistics table and does an M2_EXACT_VALUE
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* or a M2_NEXT_VALUE search based on the <search> parameter. The calling routine
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* is responsible for supplying a valid MIB-II entry index in the <index>
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* parameter. The <index> is the interface index. The first entry in the table is
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* retrieved by doing a NEXT search with the <index> parameter set to zero.
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*
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* RETURNS: OK, or ERROR if the input parameter <pIcmpv6Info> is invalid or the
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* index <index> is invalid or not found.
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*
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* ERRNO:
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* S_m2Lib_INVALID_PARAMETER
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* S_m2Lib_ENTRY_NOT_FOUND
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* S_m2Lib_GEN_ERR
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*
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* SEE ALSO: m2Ipv6IfIcmpInit(), m2Ipv6IfIcmpDelete(), m2Ipv6IcmpLib
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*/
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STATUS m2Ipv6IfIcmpTblGet
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(
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int search, /* M2_EXACT_VALUE or M2_NEXT_VALUE */
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int * index, /* requested interface index */
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M2_IPV6IFICMPTBL * pIcmpv6Info /* pointer to the ICMPv6 structure */
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)
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{
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M2_IFINDEX * pIfIndexEntry = NULL;
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struct in6_ifreq ifr;
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int s;
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struct icmp6_ifstat *icmp6_ifstatLoc; /* ICMP statistics structure */
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/* Validate Pointer to ICMPv6 structure */
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if (pIcmpv6Info == NULL)
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{
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errnoSet (S_m2Lib_INVALID_PARAMETER);
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return (ERROR);
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}
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/* First, Validate the bounds of the requested index */
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if (*index > ifsInList || *index < 0)
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{
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errnoSet (S_m2Lib_ENTRY_NOT_FOUND);
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return (ERROR);
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}
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/* search exact value */
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if (search == M2_EXACT_VALUE)
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{
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pIfIndexEntry = m2Ipv6AvlSearch (pM2IfRoot, *index);
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if (!pIfIndexEntry)
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{
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errnoSet (S_m2Lib_ENTRY_NOT_FOUND);
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return (ERROR);
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}
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}
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else /* M2_NEXT_VALUE */
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{
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pIfIndexEntry = m2Ipv6AvlSuccessorGet (pM2IfRoot, *index);
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if (!pIfIndexEntry)
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{
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errnoSet (S_m2Lib_ENTRY_NOT_FOUND);
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return (ERROR);
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}
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*index = pIfIndexEntry->ifIndex;
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}
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if (if_indextoname(*index, ifr.ifr_name) == NULL)
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{
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errnoSet (S_m2Lib_ENTRY_NOT_FOUND);
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return (ERROR);
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}
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if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
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{
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errnoSet (S_m2Lib_GEN_ERR);
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return (ERROR);
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}
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if (ioctl (s, SIOCGIFSTAT_ICMP6, (int) &ifr) < 0)
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{
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errnoSet (S_m2Lib_GEN_ERR);
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close (s);
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return (ERROR);
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}
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icmp6_ifstatLoc = (struct icmp6_ifstat *)&ifr.ifr_ifru.ifru_icmp6stat;
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pIcmpv6Info->ipv6IfIcmpInMsgs
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= icmp6_ifstatLoc->ifs6_in_msg;
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pIcmpv6Info->ipv6IfIcmpInErrors
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= icmp6_ifstatLoc->ifs6_in_error;
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pIcmpv6Info->ipv6IfIcmpInDestUnreachs
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= icmp6_ifstatLoc->ifs6_in_dstunreach;
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pIcmpv6Info->ipv6IfIcmpInAdminProhibs
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= icmp6_ifstatLoc->ifs6_in_adminprohib;
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pIcmpv6Info->ipv6IfIcmpInTimeExcds
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= icmp6_ifstatLoc->ifs6_in_timeexceed;
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pIcmpv6Info->ipv6IfIcmpInParmProblems
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= icmp6_ifstatLoc->ifs6_in_paramprob;
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pIcmpv6Info->ipv6IfIcmpInPktTooBigs
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= icmp6_ifstatLoc->ifs6_in_pkttoobig;
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pIcmpv6Info->ipv6IfIcmpInEchos
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= icmp6_ifstatLoc->ifs6_in_echo;
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pIcmpv6Info->ipv6IfIcmpInEchoReplies
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= icmp6_ifstatLoc->ifs6_in_echoreply;
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pIcmpv6Info->ipv6IfIcmpInRouterSolicits
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= icmp6_ifstatLoc->ifs6_in_routersolicit;
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pIcmpv6Info->ipv6IfIcmpInRouterAdvertisements
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= icmp6_ifstatLoc->ifs6_in_routeradvert;
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pIcmpv6Info->ipv6IfIcmpInNeighborSolicits
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= icmp6_ifstatLoc->ifs6_in_neighborsolicit;
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pIcmpv6Info->ipv6IfIcmpInNeighborAdvertisements
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= icmp6_ifstatLoc->ifs6_in_neighboradvert;
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pIcmpv6Info->ipv6IfIcmpInRedirects
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= icmp6_ifstatLoc->ifs6_in_redirect;
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pIcmpv6Info->ipv6IfIcmpInGroupMembQueries
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= icmp6_ifstatLoc->ifs6_in_mldquery;
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pIcmpv6Info->ipv6IfIcmpInGroupMembResponses
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= icmp6_ifstatLoc->ifs6_in_mldreport;
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pIcmpv6Info->ipv6IfIcmpInGroupMembReductions
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= icmp6_ifstatLoc->ifs6_in_mlddone;
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pIcmpv6Info->ipv6IfIcmpOutMsgs
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= icmp6_ifstatLoc->ifs6_out_msg;
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pIcmpv6Info->ipv6IfIcmpOutErrors
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= icmp6_ifstatLoc->ifs6_out_error;
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pIcmpv6Info->ipv6IfIcmpOutDestUnreachs
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= icmp6_ifstatLoc->ifs6_out_dstunreach;
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pIcmpv6Info->ipv6IfIcmpOutAdminProhibs
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= icmp6_ifstatLoc->ifs6_out_adminprohib;
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pIcmpv6Info->ipv6IfIcmpOutTimeExcds
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= icmp6_ifstatLoc->ifs6_out_timeexceed;
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pIcmpv6Info->ipv6IfIcmpOutParmProblems
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= icmp6_ifstatLoc->ifs6_out_paramprob;
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pIcmpv6Info->ipv6IfIcmpOutPktTooBigs
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= icmp6_ifstatLoc->ifs6_out_pkttoobig;
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pIcmpv6Info->ipv6IfIcmpOutEchos
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= icmp6_ifstatLoc->ifs6_out_echo;
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pIcmpv6Info->ipv6IfIcmpOutEchoReplies
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= icmp6_ifstatLoc->ifs6_out_echoreply;
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pIcmpv6Info->ipv6IfIcmpOutRouterSolicits
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= icmp6_ifstatLoc->ifs6_out_routersolicit;
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pIcmpv6Info->ipv6IfIcmpOutRouterAdvertisements
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= icmp6_ifstatLoc->ifs6_out_routeradvert;
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pIcmpv6Info->ipv6IfIcmpOutNeighborSolicits
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= icmp6_ifstatLoc->ifs6_out_neighborsolicit;
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pIcmpv6Info->ipv6IfIcmpOutNeighborAdvertisements
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= icmp6_ifstatLoc->ifs6_out_neighboradvert;
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pIcmpv6Info->ipv6IfIcmpOutRedirects
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= icmp6_ifstatLoc->ifs6_out_redirect;
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pIcmpv6Info->ipv6IfIcmpOutGroupMembQueries
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= icmp6_ifstatLoc->ifs6_out_mldquery;
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pIcmpv6Info->ipv6IfIcmpOutGroupMembResponses
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= icmp6_ifstatLoc->ifs6_out_mldreport;
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pIcmpv6Info->ipv6IfIcmpOutGroupMembReductions
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= icmp6_ifstatLoc->ifs6_out_mlddone;
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close (s);
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return (OK);
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}
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/*******************************************************************************
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*
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* m2Ipv6IfIcmpDelete - delete all resources used to access the ICMPv6 group
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*
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* This routine frees all the resources allocated at the time the ICMPv6 group was
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* initialized. The ICMPv6 group should not be accessed after this routine has
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* been called.
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*
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* RETURNS: OK, always.
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*
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* SEE ALSO: m2Ipv6IfIcmpInit(), m2Ipv6IfIcmpTblGet(), m2Ipv6IcmpLib
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*/
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STATUS m2Ipv6IfIcmpDelete (void)
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{
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return (OK);
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}
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