diff --git a/include/linux/snmp.h b/include/linux/snmp.h
new file mode 100644
index 0000000..4db25d5
--- /dev/null
+++ b/include/linux/snmp.h
@@ -0,0 +1,266 @@
+/*
+ * Definitions for MIBs
+ *
+ * Author: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
+ */
+
+#ifndef _LINUX_SNMP_H
+#define _LINUX_SNMP_H
+
+/* ipstats mib definitions */
+/*
+ * RFC 1213:  MIB-II
+ * RFC 2011 (updates 1213):  SNMPv2-MIB-IP
+ * RFC 2863:  Interfaces Group MIB
+ * RFC 2465:  IPv6 MIB: General Group
+ * draft-ietf-ipv6-rfc2011-update-10.txt: MIB for IP: IP Statistics Tables
+ */
+enum
+{
+	IPSTATS_MIB_NUM = 0,
+	IPSTATS_MIB_INRECEIVES,			/* InReceives */
+	IPSTATS_MIB_INHDRERRORS,		/* InHdrErrors */
+	IPSTATS_MIB_INTOOBIGERRORS,		/* InTooBigErrors */
+	IPSTATS_MIB_INNOROUTES,			/* InNoRoutes */
+	IPSTATS_MIB_INADDRERRORS,		/* InAddrErrors */
+	IPSTATS_MIB_INUNKNOWNPROTOS,		/* InUnknownProtos */
+	IPSTATS_MIB_INTRUNCATEDPKTS,		/* InTruncatedPkts */
+	IPSTATS_MIB_INDISCARDS,			/* InDiscards */
+	IPSTATS_MIB_INDELIVERS,			/* InDelivers */
+	IPSTATS_MIB_OUTFORWDATAGRAMS,		/* OutForwDatagrams */
+	IPSTATS_MIB_OUTREQUESTS,		/* OutRequests */
+	IPSTATS_MIB_OUTDISCARDS,		/* OutDiscards */
+	IPSTATS_MIB_OUTNOROUTES,		/* OutNoRoutes */
+	IPSTATS_MIB_REASMTIMEOUT,		/* ReasmTimeout */
+	IPSTATS_MIB_REASMREQDS,			/* ReasmReqds */
+	IPSTATS_MIB_REASMOKS,			/* ReasmOKs */
+	IPSTATS_MIB_REASMFAILS,			/* ReasmFails */
+	IPSTATS_MIB_FRAGOKS,			/* FragOKs */
+	IPSTATS_MIB_FRAGFAILS,			/* FragFails */
+	IPSTATS_MIB_FRAGCREATES,		/* FragCreates */
+	IPSTATS_MIB_INMCASTPKTS,		/* InMcastPkts */
+	IPSTATS_MIB_OUTMCASTPKTS,		/* OutMcastPkts */
+	__IPSTATS_MIB_MAX
+};
+
+/* icmp mib definitions */
+/*
+ * RFC 1213:  MIB-II ICMP Group
+ * RFC 2011 (updates 1213):  SNMPv2 MIB for IP: ICMP group
+ */
+enum
+{
+	ICMP_MIB_NUM = 0,
+	ICMP_MIB_INMSGS,			/* InMsgs */
+	ICMP_MIB_INERRORS,			/* InErrors */
+	ICMP_MIB_INDESTUNREACHS,		/* InDestUnreachs */
+	ICMP_MIB_INTIMEEXCDS,			/* InTimeExcds */
+	ICMP_MIB_INPARMPROBS,			/* InParmProbs */
+	ICMP_MIB_INSRCQUENCHS,			/* InSrcQuenchs */
+	ICMP_MIB_INREDIRECTS,			/* InRedirects */
+	ICMP_MIB_INECHOS,			/* InEchos */
+	ICMP_MIB_INECHOREPS,			/* InEchoReps */
+	ICMP_MIB_INTIMESTAMPS,			/* InTimestamps */
+	ICMP_MIB_INTIMESTAMPREPS,		/* InTimestampReps */
+	ICMP_MIB_INADDRMASKS,			/* InAddrMasks */
+	ICMP_MIB_INADDRMASKREPS,		/* InAddrMaskReps */
+	ICMP_MIB_OUTMSGS,			/* OutMsgs */
+	ICMP_MIB_OUTERRORS,			/* OutErrors */
+	ICMP_MIB_OUTDESTUNREACHS,		/* OutDestUnreachs */
+	ICMP_MIB_OUTTIMEEXCDS,			/* OutTimeExcds */
+	ICMP_MIB_OUTPARMPROBS,			/* OutParmProbs */
+	ICMP_MIB_OUTSRCQUENCHS,			/* OutSrcQuenchs */
+	ICMP_MIB_OUTREDIRECTS,			/* OutRedirects */
+	ICMP_MIB_OUTECHOS,			/* OutEchos */
+	ICMP_MIB_OUTECHOREPS,			/* OutEchoReps */
+	ICMP_MIB_OUTTIMESTAMPS,			/* OutTimestamps */
+	ICMP_MIB_OUTTIMESTAMPREPS,		/* OutTimestampReps */
+	ICMP_MIB_OUTADDRMASKS,			/* OutAddrMasks */
+	ICMP_MIB_OUTADDRMASKREPS,		/* OutAddrMaskReps */
+	__ICMP_MIB_MAX
+};
+
+/* icmp6 mib definitions */
+/*
+ * RFC 2466:  ICMPv6-MIB
+ */
+enum
+{
+	ICMP6_MIB_NUM = 0,
+	ICMP6_MIB_INMSGS,			/* InMsgs */
+	ICMP6_MIB_INERRORS,			/* InErrors */
+	ICMP6_MIB_INDESTUNREACHS,		/* InDestUnreachs */
+	ICMP6_MIB_INPKTTOOBIGS,			/* InPktTooBigs */
+	ICMP6_MIB_INTIMEEXCDS,			/* InTimeExcds */
+	ICMP6_MIB_INPARMPROBLEMS,		/* InParmProblems */
+	ICMP6_MIB_INECHOS,			/* InEchos */
+	ICMP6_MIB_INECHOREPLIES,		/* InEchoReplies */
+	ICMP6_MIB_INGROUPMEMBQUERIES,		/* InGroupMembQueries */
+	ICMP6_MIB_INGROUPMEMBRESPONSES,		/* InGroupMembResponses */
+	ICMP6_MIB_INGROUPMEMBREDUCTIONS,	/* InGroupMembReductions */
+	ICMP6_MIB_INROUTERSOLICITS,		/* InRouterSolicits */
+	ICMP6_MIB_INROUTERADVERTISEMENTS,	/* InRouterAdvertisements */
+	ICMP6_MIB_INNEIGHBORSOLICITS,		/* InNeighborSolicits */
+	ICMP6_MIB_INNEIGHBORADVERTISEMENTS,	/* InNeighborAdvertisements */
+	ICMP6_MIB_INREDIRECTS,			/* InRedirects */
+	ICMP6_MIB_OUTMSGS,			/* OutMsgs */
+	ICMP6_MIB_OUTDESTUNREACHS,		/* OutDestUnreachs */
+	ICMP6_MIB_OUTPKTTOOBIGS,		/* OutPktTooBigs */
+	ICMP6_MIB_OUTTIMEEXCDS,			/* OutTimeExcds */
+	ICMP6_MIB_OUTPARMPROBLEMS,		/* OutParmProblems */
+	ICMP6_MIB_OUTECHOREPLIES,		/* OutEchoReplies */
+	ICMP6_MIB_OUTROUTERSOLICITS,		/* OutRouterSolicits */
+	ICMP6_MIB_OUTNEIGHBORSOLICITS,		/* OutNeighborSolicits */
+	ICMP6_MIB_OUTNEIGHBORADVERTISEMENTS,	/* OutNeighborAdvertisements */
+	ICMP6_MIB_OUTREDIRECTS,			/* OutRedirects */
+	ICMP6_MIB_OUTGROUPMEMBRESPONSES,	/* OutGroupMembResponses */
+	ICMP6_MIB_OUTGROUPMEMBREDUCTIONS,	/* OutGroupMembReductions */
+	__ICMP6_MIB_MAX
+};
+
+/* tcp mib definitions */
+/*
+ * RFC 1213:  MIB-II TCP group
+ * RFC 2012 (updates 1213):  SNMPv2-MIB-TCP
+ */
+enum
+{
+	TCP_MIB_NUM = 0,
+	TCP_MIB_RTOALGORITHM,			/* RtoAlgorithm */
+	TCP_MIB_RTOMIN,				/* RtoMin */
+	TCP_MIB_RTOMAX,				/* RtoMax */
+	TCP_MIB_MAXCONN,			/* MaxConn */
+	TCP_MIB_ACTIVEOPENS,			/* ActiveOpens */
+	TCP_MIB_PASSIVEOPENS,			/* PassiveOpens */
+	TCP_MIB_ATTEMPTFAILS,			/* AttemptFails */
+	TCP_MIB_ESTABRESETS,			/* EstabResets */
+	TCP_MIB_CURRESTAB,			/* CurrEstab */
+	TCP_MIB_INSEGS,				/* InSegs */
+	TCP_MIB_OUTSEGS,			/* OutSegs */
+	TCP_MIB_RETRANSSEGS,			/* RetransSegs */
+	TCP_MIB_INERRS,				/* InErrs */
+	TCP_MIB_OUTRSTS,			/* OutRsts */
+	__TCP_MIB_MAX
+};
+
+/* udp mib definitions */
+/*
+ * RFC 1213:  MIB-II UDP group
+ * RFC 2013 (updates 1213):  SNMPv2-MIB-UDP
+ */
+enum
+{
+	UDP_MIB_NUM = 0,
+	UDP_MIB_INDATAGRAMS,			/* InDatagrams */
+	UDP_MIB_NOPORTS,			/* NoPorts */
+	UDP_MIB_INERRORS,			/* InErrors */
+	UDP_MIB_OUTDATAGRAMS,			/* OutDatagrams */
+	__UDP_MIB_MAX
+};
+
+/* sctp mib definitions */
+/*
+ * draft-ietf-sigtran-sctp-mib-07.txt
+ */
+enum
+{
+	SCTP_MIB_NUM = 0,
+	SCTP_MIB_CURRESTAB,			/* CurrEstab */
+	SCTP_MIB_ACTIVEESTABS,			/* ActiveEstabs */
+	SCTP_MIB_PASSIVEESTABS,			/* PassiveEstabs */
+	SCTP_MIB_ABORTEDS,			/* Aborteds */
+	SCTP_MIB_SHUTDOWNS,			/* Shutdowns */
+	SCTP_MIB_OUTOFBLUES,			/* OutOfBlues */
+	SCTP_MIB_CHECKSUMERRORS,		/* ChecksumErrors */
+	SCTP_MIB_OUTCTRLCHUNKS,			/* OutCtrlChunks */
+	SCTP_MIB_OUTORDERCHUNKS,		/* OutOrderChunks */
+	SCTP_MIB_OUTUNORDERCHUNKS,		/* OutUnorderChunks */
+	SCTP_MIB_INCTRLCHUNKS,			/* InCtrlChunks */
+	SCTP_MIB_INORDERCHUNKS,			/* InOrderChunks */
+	SCTP_MIB_INUNORDERCHUNKS,		/* InUnorderChunks */
+	SCTP_MIB_FRAGUSRMSGS,			/* FragUsrMsgs */
+	SCTP_MIB_REASMUSRMSGS,			/* ReasmUsrMsgs */
+	SCTP_MIB_OUTSCTPPACKS,			/* OutSCTPPacks */
+	SCTP_MIB_INSCTPPACKS,			/* InSCTPPacks */
+	SCTP_MIB_RTOALGORITHM,			/* RtoAlgorithm */
+	SCTP_MIB_RTOMIN,			/* RtoMin */
+	SCTP_MIB_RTOMAX,			/* RtoMax */
+	SCTP_MIB_RTOINITIAL,			/* RtoInitial */
+	SCTP_MIB_VALCOOKIELIFE,			/* ValCookieLife */
+	SCTP_MIB_MAXINITRETR,			/* MaxInitRetr */
+	__SCTP_MIB_MAX
+};
+
+/* linux mib definitions */
+enum
+{
+	LINUX_MIB_NUM = 0,
+	LINUX_MIB_SYNCOOKIESSENT,		/* SyncookiesSent */
+	LINUX_MIB_SYNCOOKIESRECV,		/* SyncookiesRecv */
+	LINUX_MIB_SYNCOOKIESFAILED,		/* SyncookiesFailed */
+	LINUX_MIB_EMBRYONICRSTS,		/* EmbryonicRsts */
+	LINUX_MIB_PRUNECALLED,			/* PruneCalled */
+	LINUX_MIB_RCVPRUNED,			/* RcvPruned */
+	LINUX_MIB_OFOPRUNED,			/* OfoPruned */
+	LINUX_MIB_OUTOFWINDOWICMPS,		/* OutOfWindowIcmps */
+	LINUX_MIB_LOCKDROPPEDICMPS,		/* LockDroppedIcmps */
+	LINUX_MIB_ARPFILTER,			/* ArpFilter */
+	LINUX_MIB_TIMEWAITED,			/* TimeWaited */
+	LINUX_MIB_TIMEWAITRECYCLED,		/* TimeWaitRecycled */
+	LINUX_MIB_TIMEWAITKILLED,		/* TimeWaitKilled */
+	LINUX_MIB_PAWSPASSIVEREJECTED,		/* PAWSPassiveRejected */
+	LINUX_MIB_PAWSACTIVEREJECTED,		/* PAWSActiveRejected */
+	LINUX_MIB_PAWSESTABREJECTED,		/* PAWSEstabRejected */
+	LINUX_MIB_DELAYEDACKS,			/* DelayedACKs */
+	LINUX_MIB_DELAYEDACKLOCKED,		/* DelayedACKLocked */
+	LINUX_MIB_DELAYEDACKLOST,		/* DelayedACKLost */
+	LINUX_MIB_LISTENOVERFLOWS,		/* ListenOverflows */
+	LINUX_MIB_LISTENDROPS,			/* ListenDrops */
+	LINUX_MIB_TCPPREQUEUED,			/* TCPPrequeued */
+	LINUX_MIB_TCPDIRECTCOPYFROMBACKLOG,	/* TCPDirectCopyFromBacklog */
+	LINUX_MIB_TCPDIRECTCOPYFROMPREQUEUE,	/* TCPDirectCopyFromPrequeue */
+	LINUX_MIB_TCPPREQUEUEDROPPED,		/* TCPPrequeueDropped */
+	LINUX_MIB_TCPHPHITS,			/* TCPHPHits */
+	LINUX_MIB_TCPHPHITSTOUSER,		/* TCPHPHitsToUser */
+	LINUX_MIB_TCPPUREACKS,			/* TCPPureAcks */
+	LINUX_MIB_TCPHPACKS,			/* TCPHPAcks */
+	LINUX_MIB_TCPRENORECOVERY,		/* TCPRenoRecovery */
+	LINUX_MIB_TCPSACKRECOVERY,		/* TCPSackRecovery */
+	LINUX_MIB_TCPSACKRENEGING,		/* TCPSACKReneging */
+	LINUX_MIB_TCPFACKREORDER,		/* TCPFACKReorder */
+	LINUX_MIB_TCPSACKREORDER,		/* TCPSACKReorder */
+	LINUX_MIB_TCPRENOREORDER,		/* TCPRenoReorder */
+	LINUX_MIB_TCPTSREORDER,			/* TCPTSReorder */
+	LINUX_MIB_TCPFULLUNDO,			/* TCPFullUndo */
+	LINUX_MIB_TCPPARTIALUNDO,		/* TCPPartialUndo */
+	LINUX_MIB_TCPDSACKUNDO,			/* TCPDSACKUndo */
+	LINUX_MIB_TCPLOSSUNDO,			/* TCPLossUndo */
+	LINUX_MIB_TCPLOSS,			/* TCPLoss */
+	LINUX_MIB_TCPLOSTRETRANSMIT,		/* TCPLostRetransmit */
+	LINUX_MIB_TCPRENOFAILURES,		/* TCPRenoFailures */
+	LINUX_MIB_TCPSACKFAILURES,		/* TCPSackFailures */
+	LINUX_MIB_TCPLOSSFAILURES,		/* TCPLossFailures */
+	LINUX_MIB_TCPFASTRETRANS,		/* TCPFastRetrans */
+	LINUX_MIB_TCPFORWARDRETRANS,		/* TCPForwardRetrans */
+	LINUX_MIB_TCPSLOWSTARTRETRANS,		/* TCPSlowStartRetrans */
+	LINUX_MIB_TCPTIMEOUTS,			/* TCPTimeouts */
+	LINUX_MIB_TCPRENORECOVERYFAIL,		/* TCPRenoRecoveryFail */
+	LINUX_MIB_TCPSACKRECOVERYFAIL,		/* TCPSackRecoveryFail */
+	LINUX_MIB_TCPSCHEDULERFAILED,		/* TCPSchedulerFailed */
+	LINUX_MIB_TCPRCVCOLLAPSED,		/* TCPRcvCollapsed */
+	LINUX_MIB_TCPDSACKOLDSENT,		/* TCPDSACKOldSent */
+	LINUX_MIB_TCPDSACKOFOSENT,		/* TCPDSACKOfoSent */
+	LINUX_MIB_TCPDSACKRECV,			/* TCPDSACKRecv */
+	LINUX_MIB_TCPDSACKOFORECV,		/* TCPDSACKOfoRecv */
+	LINUX_MIB_TCPABORTONSYN,		/* TCPAbortOnSyn */
+	LINUX_MIB_TCPABORTONDATA,		/* TCPAbortOnData */
+	LINUX_MIB_TCPABORTONCLOSE,		/* TCPAbortOnClose */
+	LINUX_MIB_TCPABORTONMEMORY,		/* TCPAbortOnMemory */
+	LINUX_MIB_TCPABORTONTIMEOUT,		/* TCPAbortOnTimeout */
+	LINUX_MIB_TCPABORTONLINGER,		/* TCPAbortOnLinger */
+	LINUX_MIB_TCPABORTFAILED,		/* TCPAbortFailed */
+	LINUX_MIB_TCPMEMORYPRESSURES,		/* TCPMemoryPressures */
+	__LINUX_MIB_MAX
+};
+
+#endif	/* _LINUX_SNMP_H */