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net/ipv4/proc.c
19.6 KB
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/* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * This file implements the various access functions for the * PROC file system. It is mainly used for debugging and * statistics. * |
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* Authors: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Gerald J. Heim, <heim@peanuts.informatik.uni-tuebingen.de> * Fred Baumgarten, <dc6iq@insu1.etec.uni-karlsruhe.de> * Erik Schoenfelder, <schoenfr@ibr.cs.tu-bs.de> * * Fixes: * Alan Cox : UDP sockets show the rxqueue/txqueue * using hint flag for the netinfo. * Pauline Middelink : identd support * Alan Cox : Make /proc safer. * Erik Schoenfelder : /proc/net/snmp * Alan Cox : Handle dead sockets properly. * Gerhard Koerting : Show both timers * Alan Cox : Allow inode to be NULL (kernel socket) * Andi Kleen : Add support for open_requests and * split functions for more readibility. * Andi Kleen : Add support for /proc/net/netstat * Arnaldo C. Melo : Convert to seq_file * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> |
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#include <net/net_namespace.h> |
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#include <net/icmp.h> #include <net/protocol.h> #include <net/tcp.h> #include <net/udp.h> |
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#include <net/udplite.h> |
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#include <linux/bottom_half.h> |
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#include <linux/inetdevice.h> |
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#include <linux/proc_fs.h> #include <linux/seq_file.h> |
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#include <linux/export.h> |
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#include <net/sock.h> #include <net/raw.h> |
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/* * Report socket allocation statistics [mea@utu.fi] */ static int sockstat_seq_show(struct seq_file *seq, void *v) { |
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struct net *net = seq->private; |
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unsigned int frag_mem; |
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int orphans, sockets; local_bh_disable(); |
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orphans = percpu_counter_sum_positive(&tcp_orphan_count); |
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sockets = proto_sockets_allocated_sum_positive(&tcp_prot); |
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local_bh_enable(); |
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socket_seq_show(seq); |
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seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld ", |
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sock_prot_inuse_get(net, &tcp_prot), orphans, tcp_death_row.tw_count, sockets, |
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proto_memory_allocated(&tcp_prot)); |
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seq_printf(seq, "UDP: inuse %d mem %ld ", |
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sock_prot_inuse_get(net, &udp_prot), |
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proto_memory_allocated(&udp_prot)); |
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seq_printf(seq, "UDPLITE: inuse %d ", |
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sock_prot_inuse_get(net, &udplite_prot)); |
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seq_printf(seq, "RAW: inuse %d ", |
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sock_prot_inuse_get(net, &raw_prot)); |
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frag_mem = ip_frag_mem(net); seq_printf(seq, "FRAG: inuse %u memory %u ", !!frag_mem, frag_mem); |
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return 0; } static int sockstat_seq_open(struct inode *inode, struct file *file) { |
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return single_open_net(inode, file, sockstat_seq_show); |
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} |
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static const struct file_operations sockstat_seq_fops = { |
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.owner = THIS_MODULE, .open = sockstat_seq_open, .read = seq_read, .llseek = seq_lseek, |
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.release = single_release_net, |
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}; |
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/* snmp items */ |
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static const struct snmp_mib snmp4_ipstats_list[] = { |
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SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INPKTS), |
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SNMP_MIB_ITEM("InHdrErrors", IPSTATS_MIB_INHDRERRORS), SNMP_MIB_ITEM("InAddrErrors", IPSTATS_MIB_INADDRERRORS), SNMP_MIB_ITEM("ForwDatagrams", IPSTATS_MIB_OUTFORWDATAGRAMS), SNMP_MIB_ITEM("InUnknownProtos", IPSTATS_MIB_INUNKNOWNPROTOS), SNMP_MIB_ITEM("InDiscards", IPSTATS_MIB_INDISCARDS), SNMP_MIB_ITEM("InDelivers", IPSTATS_MIB_INDELIVERS), |
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SNMP_MIB_ITEM("OutRequests", IPSTATS_MIB_OUTPKTS), |
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SNMP_MIB_ITEM("OutDiscards", IPSTATS_MIB_OUTDISCARDS), SNMP_MIB_ITEM("OutNoRoutes", IPSTATS_MIB_OUTNOROUTES), SNMP_MIB_ITEM("ReasmTimeout", IPSTATS_MIB_REASMTIMEOUT), SNMP_MIB_ITEM("ReasmReqds", IPSTATS_MIB_REASMREQDS), SNMP_MIB_ITEM("ReasmOKs", IPSTATS_MIB_REASMOKS), SNMP_MIB_ITEM("ReasmFails", IPSTATS_MIB_REASMFAILS), SNMP_MIB_ITEM("FragOKs", IPSTATS_MIB_FRAGOKS), SNMP_MIB_ITEM("FragFails", IPSTATS_MIB_FRAGFAILS), SNMP_MIB_ITEM("FragCreates", IPSTATS_MIB_FRAGCREATES), SNMP_MIB_SENTINEL }; |
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/* Following items are displayed in /proc/net/netstat */ |
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static const struct snmp_mib snmp4_ipextstats_list[] = { SNMP_MIB_ITEM("InNoRoutes", IPSTATS_MIB_INNOROUTES), SNMP_MIB_ITEM("InTruncatedPkts", IPSTATS_MIB_INTRUNCATEDPKTS), SNMP_MIB_ITEM("InMcastPkts", IPSTATS_MIB_INMCASTPKTS), SNMP_MIB_ITEM("OutMcastPkts", IPSTATS_MIB_OUTMCASTPKTS), SNMP_MIB_ITEM("InBcastPkts", IPSTATS_MIB_INBCASTPKTS), SNMP_MIB_ITEM("OutBcastPkts", IPSTATS_MIB_OUTBCASTPKTS), |
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SNMP_MIB_ITEM("InOctets", IPSTATS_MIB_INOCTETS), SNMP_MIB_ITEM("OutOctets", IPSTATS_MIB_OUTOCTETS), SNMP_MIB_ITEM("InMcastOctets", IPSTATS_MIB_INMCASTOCTETS), SNMP_MIB_ITEM("OutMcastOctets", IPSTATS_MIB_OUTMCASTOCTETS), SNMP_MIB_ITEM("InBcastOctets", IPSTATS_MIB_INBCASTOCTETS), SNMP_MIB_ITEM("OutBcastOctets", IPSTATS_MIB_OUTBCASTOCTETS), |
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/* Non RFC4293 fields */ |
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SNMP_MIB_ITEM("InCsumErrors", IPSTATS_MIB_CSUMERRORS), |
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SNMP_MIB_ITEM("InNoECTPkts", IPSTATS_MIB_NOECTPKTS), SNMP_MIB_ITEM("InECT1Pkts", IPSTATS_MIB_ECT1PKTS), SNMP_MIB_ITEM("InECT0Pkts", IPSTATS_MIB_ECT0PKTS), SNMP_MIB_ITEM("InCEPkts", IPSTATS_MIB_CEPKTS), |
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SNMP_MIB_SENTINEL }; |
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static const struct { const char *name; |
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int index; } icmpmibmap[] = { { "DestUnreachs", ICMP_DEST_UNREACH }, { "TimeExcds", ICMP_TIME_EXCEEDED }, { "ParmProbs", ICMP_PARAMETERPROB }, { "SrcQuenchs", ICMP_SOURCE_QUENCH }, { "Redirects", ICMP_REDIRECT }, { "Echos", ICMP_ECHO }, { "EchoReps", ICMP_ECHOREPLY }, { "Timestamps", ICMP_TIMESTAMP }, { "TimestampReps", ICMP_TIMESTAMPREPLY }, { "AddrMasks", ICMP_ADDRESS }, { "AddrMaskReps", ICMP_ADDRESSREPLY }, |
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{ NULL, 0 } |
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}; |
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static const struct snmp_mib snmp4_tcp_list[] = { |
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SNMP_MIB_ITEM("RtoAlgorithm", TCP_MIB_RTOALGORITHM), SNMP_MIB_ITEM("RtoMin", TCP_MIB_RTOMIN), SNMP_MIB_ITEM("RtoMax", TCP_MIB_RTOMAX), SNMP_MIB_ITEM("MaxConn", TCP_MIB_MAXCONN), SNMP_MIB_ITEM("ActiveOpens", TCP_MIB_ACTIVEOPENS), SNMP_MIB_ITEM("PassiveOpens", TCP_MIB_PASSIVEOPENS), SNMP_MIB_ITEM("AttemptFails", TCP_MIB_ATTEMPTFAILS), SNMP_MIB_ITEM("EstabResets", TCP_MIB_ESTABRESETS), SNMP_MIB_ITEM("CurrEstab", TCP_MIB_CURRESTAB), SNMP_MIB_ITEM("InSegs", TCP_MIB_INSEGS), SNMP_MIB_ITEM("OutSegs", TCP_MIB_OUTSEGS), SNMP_MIB_ITEM("RetransSegs", TCP_MIB_RETRANSSEGS), SNMP_MIB_ITEM("InErrs", TCP_MIB_INERRS), SNMP_MIB_ITEM("OutRsts", TCP_MIB_OUTRSTS), |
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SNMP_MIB_ITEM("InCsumErrors", TCP_MIB_CSUMERRORS), |
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SNMP_MIB_SENTINEL }; |
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static const struct snmp_mib snmp4_udp_list[] = { |
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SNMP_MIB_ITEM("InDatagrams", UDP_MIB_INDATAGRAMS), SNMP_MIB_ITEM("NoPorts", UDP_MIB_NOPORTS), SNMP_MIB_ITEM("InErrors", UDP_MIB_INERRORS), SNMP_MIB_ITEM("OutDatagrams", UDP_MIB_OUTDATAGRAMS), |
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SNMP_MIB_ITEM("RcvbufErrors", UDP_MIB_RCVBUFERRORS), SNMP_MIB_ITEM("SndbufErrors", UDP_MIB_SNDBUFERRORS), |
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SNMP_MIB_ITEM("InCsumErrors", UDP_MIB_CSUMERRORS), |
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SNMP_MIB_ITEM("IgnoredMulti", UDP_MIB_IGNOREDMULTI), |
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SNMP_MIB_SENTINEL }; |
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static const struct snmp_mib snmp4_net_list[] = { |
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SNMP_MIB_ITEM("SyncookiesSent", LINUX_MIB_SYNCOOKIESSENT), SNMP_MIB_ITEM("SyncookiesRecv", LINUX_MIB_SYNCOOKIESRECV), SNMP_MIB_ITEM("SyncookiesFailed", LINUX_MIB_SYNCOOKIESFAILED), SNMP_MIB_ITEM("EmbryonicRsts", LINUX_MIB_EMBRYONICRSTS), SNMP_MIB_ITEM("PruneCalled", LINUX_MIB_PRUNECALLED), SNMP_MIB_ITEM("RcvPruned", LINUX_MIB_RCVPRUNED), SNMP_MIB_ITEM("OfoPruned", LINUX_MIB_OFOPRUNED), SNMP_MIB_ITEM("OutOfWindowIcmps", LINUX_MIB_OUTOFWINDOWICMPS), SNMP_MIB_ITEM("LockDroppedIcmps", LINUX_MIB_LOCKDROPPEDICMPS), SNMP_MIB_ITEM("ArpFilter", LINUX_MIB_ARPFILTER), SNMP_MIB_ITEM("TW", LINUX_MIB_TIMEWAITED), SNMP_MIB_ITEM("TWRecycled", LINUX_MIB_TIMEWAITRECYCLED), SNMP_MIB_ITEM("TWKilled", LINUX_MIB_TIMEWAITKILLED), SNMP_MIB_ITEM("PAWSPassive", LINUX_MIB_PAWSPASSIVEREJECTED), SNMP_MIB_ITEM("PAWSActive", LINUX_MIB_PAWSACTIVEREJECTED), SNMP_MIB_ITEM("PAWSEstab", LINUX_MIB_PAWSESTABREJECTED), SNMP_MIB_ITEM("DelayedACKs", LINUX_MIB_DELAYEDACKS), SNMP_MIB_ITEM("DelayedACKLocked", LINUX_MIB_DELAYEDACKLOCKED), SNMP_MIB_ITEM("DelayedACKLost", LINUX_MIB_DELAYEDACKLOST), SNMP_MIB_ITEM("ListenOverflows", LINUX_MIB_LISTENOVERFLOWS), SNMP_MIB_ITEM("ListenDrops", LINUX_MIB_LISTENDROPS), SNMP_MIB_ITEM("TCPPrequeued", LINUX_MIB_TCPPREQUEUED), SNMP_MIB_ITEM("TCPDirectCopyFromBacklog", LINUX_MIB_TCPDIRECTCOPYFROMBACKLOG), SNMP_MIB_ITEM("TCPDirectCopyFromPrequeue", LINUX_MIB_TCPDIRECTCOPYFROMPREQUEUE), SNMP_MIB_ITEM("TCPPrequeueDropped", LINUX_MIB_TCPPREQUEUEDROPPED), SNMP_MIB_ITEM("TCPHPHits", LINUX_MIB_TCPHPHITS), SNMP_MIB_ITEM("TCPHPHitsToUser", LINUX_MIB_TCPHPHITSTOUSER), SNMP_MIB_ITEM("TCPPureAcks", LINUX_MIB_TCPPUREACKS), SNMP_MIB_ITEM("TCPHPAcks", LINUX_MIB_TCPHPACKS), SNMP_MIB_ITEM("TCPRenoRecovery", LINUX_MIB_TCPRENORECOVERY), SNMP_MIB_ITEM("TCPSackRecovery", LINUX_MIB_TCPSACKRECOVERY), SNMP_MIB_ITEM("TCPSACKReneging", LINUX_MIB_TCPSACKRENEGING), SNMP_MIB_ITEM("TCPFACKReorder", LINUX_MIB_TCPFACKREORDER), SNMP_MIB_ITEM("TCPSACKReorder", LINUX_MIB_TCPSACKREORDER), SNMP_MIB_ITEM("TCPRenoReorder", LINUX_MIB_TCPRENOREORDER), SNMP_MIB_ITEM("TCPTSReorder", LINUX_MIB_TCPTSREORDER), SNMP_MIB_ITEM("TCPFullUndo", LINUX_MIB_TCPFULLUNDO), SNMP_MIB_ITEM("TCPPartialUndo", LINUX_MIB_TCPPARTIALUNDO), SNMP_MIB_ITEM("TCPDSACKUndo", LINUX_MIB_TCPDSACKUNDO), SNMP_MIB_ITEM("TCPLossUndo", LINUX_MIB_TCPLOSSUNDO), |
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SNMP_MIB_ITEM("TCPLostRetransmit", LINUX_MIB_TCPLOSTRETRANSMIT), SNMP_MIB_ITEM("TCPRenoFailures", LINUX_MIB_TCPRENOFAILURES), SNMP_MIB_ITEM("TCPSackFailures", LINUX_MIB_TCPSACKFAILURES), SNMP_MIB_ITEM("TCPLossFailures", LINUX_MIB_TCPLOSSFAILURES), SNMP_MIB_ITEM("TCPFastRetrans", LINUX_MIB_TCPFASTRETRANS), SNMP_MIB_ITEM("TCPForwardRetrans", LINUX_MIB_TCPFORWARDRETRANS), SNMP_MIB_ITEM("TCPSlowStartRetrans", LINUX_MIB_TCPSLOWSTARTRETRANS), SNMP_MIB_ITEM("TCPTimeouts", LINUX_MIB_TCPTIMEOUTS), |
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SNMP_MIB_ITEM("TCPLossProbes", LINUX_MIB_TCPLOSSPROBES), |
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SNMP_MIB_ITEM("TCPLossProbeRecovery", LINUX_MIB_TCPLOSSPROBERECOVERY), |
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SNMP_MIB_ITEM("TCPRenoRecoveryFail", LINUX_MIB_TCPRENORECOVERYFAIL), SNMP_MIB_ITEM("TCPSackRecoveryFail", LINUX_MIB_TCPSACKRECOVERYFAIL), SNMP_MIB_ITEM("TCPSchedulerFailed", LINUX_MIB_TCPSCHEDULERFAILED), SNMP_MIB_ITEM("TCPRcvCollapsed", LINUX_MIB_TCPRCVCOLLAPSED), SNMP_MIB_ITEM("TCPDSACKOldSent", LINUX_MIB_TCPDSACKOLDSENT), SNMP_MIB_ITEM("TCPDSACKOfoSent", LINUX_MIB_TCPDSACKOFOSENT), SNMP_MIB_ITEM("TCPDSACKRecv", LINUX_MIB_TCPDSACKRECV), SNMP_MIB_ITEM("TCPDSACKOfoRecv", LINUX_MIB_TCPDSACKOFORECV), |
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SNMP_MIB_ITEM("TCPAbortOnData", LINUX_MIB_TCPABORTONDATA), SNMP_MIB_ITEM("TCPAbortOnClose", LINUX_MIB_TCPABORTONCLOSE), SNMP_MIB_ITEM("TCPAbortOnMemory", LINUX_MIB_TCPABORTONMEMORY), SNMP_MIB_ITEM("TCPAbortOnTimeout", LINUX_MIB_TCPABORTONTIMEOUT), SNMP_MIB_ITEM("TCPAbortOnLinger", LINUX_MIB_TCPABORTONLINGER), SNMP_MIB_ITEM("TCPAbortFailed", LINUX_MIB_TCPABORTFAILED), SNMP_MIB_ITEM("TCPMemoryPressures", LINUX_MIB_TCPMEMORYPRESSURES), |
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SNMP_MIB_ITEM("TCPSACKDiscard", LINUX_MIB_TCPSACKDISCARD), SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD), SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO), |
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SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS), |
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SNMP_MIB_ITEM("TCPMD5NotFound", LINUX_MIB_TCPMD5NOTFOUND), SNMP_MIB_ITEM("TCPMD5Unexpected", LINUX_MIB_TCPMD5UNEXPECTED), |
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SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED), SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED), SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK), |
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SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP), SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP), |
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SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP), |
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SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER), |
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SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW), |
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SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES), SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP), |
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SNMP_MIB_ITEM("TCPRetransFail", LINUX_MIB_TCPRETRANSFAIL), |
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SNMP_MIB_ITEM("TCPRcvCoalesce", LINUX_MIB_TCPRCVCOALESCE), |
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SNMP_MIB_ITEM("TCPOFOQueue", LINUX_MIB_TCPOFOQUEUE), SNMP_MIB_ITEM("TCPOFODrop", LINUX_MIB_TCPOFODROP), SNMP_MIB_ITEM("TCPOFOMerge", LINUX_MIB_TCPOFOMERGE), |
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SNMP_MIB_ITEM("TCPChallengeACK", LINUX_MIB_TCPCHALLENGEACK), |
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SNMP_MIB_ITEM("TCPSYNChallenge", LINUX_MIB_TCPSYNCHALLENGE), |
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SNMP_MIB_ITEM("TCPFastOpenActive", LINUX_MIB_TCPFASTOPENACTIVE), |
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SNMP_MIB_ITEM("TCPFastOpenActiveFail", LINUX_MIB_TCPFASTOPENACTIVEFAIL), |
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SNMP_MIB_ITEM("TCPFastOpenPassive", LINUX_MIB_TCPFASTOPENPASSIVE), SNMP_MIB_ITEM("TCPFastOpenPassiveFail", LINUX_MIB_TCPFASTOPENPASSIVEFAIL), SNMP_MIB_ITEM("TCPFastOpenListenOverflow", LINUX_MIB_TCPFASTOPENLISTENOVERFLOW), SNMP_MIB_ITEM("TCPFastOpenCookieReqd", LINUX_MIB_TCPFASTOPENCOOKIEREQD), |
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SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES), |
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SNMP_MIB_ITEM("BusyPollRxPackets", LINUX_MIB_BUSYPOLLRXPACKETS), |
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SNMP_MIB_ITEM("TCPAutoCorking", LINUX_MIB_TCPAUTOCORKING), |
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SNMP_MIB_ITEM("TCPFromZeroWindowAdv", LINUX_MIB_TCPFROMZEROWINDOWADV), SNMP_MIB_ITEM("TCPToZeroWindowAdv", LINUX_MIB_TCPTOZEROWINDOWADV), SNMP_MIB_ITEM("TCPWantZeroWindowAdv", LINUX_MIB_TCPWANTZEROWINDOWADV), |
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SNMP_MIB_ITEM("TCPSynRetrans", LINUX_MIB_TCPSYNRETRANS), SNMP_MIB_ITEM("TCPOrigDataSent", LINUX_MIB_TCPORIGDATASENT), |
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SNMP_MIB_ITEM("TCPHystartTrainDetect", LINUX_MIB_TCPHYSTARTTRAINDETECT), SNMP_MIB_ITEM("TCPHystartTrainCwnd", LINUX_MIB_TCPHYSTARTTRAINCWND), SNMP_MIB_ITEM("TCPHystartDelayDetect", LINUX_MIB_TCPHYSTARTDELAYDETECT), SNMP_MIB_ITEM("TCPHystartDelayCwnd", LINUX_MIB_TCPHYSTARTDELAYCWND), |
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SNMP_MIB_SENTINEL }; |
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static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals, unsigned short *type, int count) { int j; if (count) { |
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seq_puts(seq, " IcmpMsg:"); |
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for (j = 0; j < count; ++j) seq_printf(seq, " %sType%u", type[j] & 0x100 ? "Out" : "In", type[j] & 0xff); |
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seq_puts(seq, " IcmpMsg:"); |
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for (j = 0; j < count; ++j) seq_printf(seq, " %lu", vals[j]); } } |
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static void icmpmsg_put(struct seq_file *seq) { #define PERLINE 16 |
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int i, count; unsigned short type[PERLINE]; unsigned long vals[PERLINE], val; |
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struct net *net = seq->private; |
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count = 0; for (i = 0; i < ICMPMSG_MIB_MAX; i++) { |
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val = atomic_long_read(&net->mib.icmpmsg_statistics->mibs[i]); |
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if (val) { type[count] = i; vals[count++] = val; } if (count == PERLINE) { icmpmsg_put_line(seq, vals, type, count); count = 0; } |
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} |
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icmpmsg_put_line(seq, vals, type, count); |
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#undef PERLINE } static void icmp_put(struct seq_file *seq) { int i; |
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struct net *net = seq->private; |
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atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs; |
96793b482
|
341 |
|
6a5dc9e59
|
342 343 |
seq_puts(seq, " Icmp: InMsgs InErrors InCsumErrors"); |
442c67f84
|
344 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482
|
345 |
seq_printf(seq, " In%s", icmpmibmap[i].name); |
c9f503b00
|
346 |
seq_puts(seq, " OutMsgs OutErrors"); |
442c67f84
|
347 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482
|
348 |
seq_printf(seq, " Out%s", icmpmibmap[i].name); |
6a5dc9e59
|
349 350 |
seq_printf(seq, " Icmp: %lu %lu %lu", |
698365fa1
|
351 352 353 |
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_INMSGS), snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_INERRORS), snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_CSUMERRORS)); |
442c67f84
|
354 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482
|
355 |
seq_printf(seq, " %lu", |
acb32ba3d
|
356 |
atomic_long_read(ptr + icmpmibmap[i].index)); |
96793b482
|
357 |
seq_printf(seq, " %lu %lu", |
698365fa1
|
358 359 |
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS), snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS)); |
442c67f84
|
360 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482
|
361 |
seq_printf(seq, " %lu", |
acb32ba3d
|
362 |
atomic_long_read(ptr + (icmpmibmap[i].index | 0x100))); |
96793b482
|
363 |
} |
1da177e4c
|
364 365 366 367 368 369 |
/* * Called from the PROCfs module. This outputs /proc/net/snmp. */ static int snmp_seq_show(struct seq_file *seq, void *v) { int i; |
229bf0cba
|
370 |
struct net *net = seq->private; |
1da177e4c
|
371 372 373 374 375 376 377 378 |
seq_puts(seq, "Ip: Forwarding DefaultTTL"); for (i = 0; snmp4_ipstats_list[i].name != NULL; i++) seq_printf(seq, " %s", snmp4_ipstats_list[i].name); seq_printf(seq, " Ip: %d %d", |
8e3461d01
|
379 |
IPV4_DEVCONF_ALL(net, FORWARDING) ? 1 : 2, |
586f12115
|
380 |
sysctl_ip_default_ttl); |
1da177e4c
|
381 |
|
4ce3c183f
|
382 |
BUILD_BUG_ON(offsetof(struct ipstats_mib, mibs) != 0); |
1da177e4c
|
383 |
for (i = 0; snmp4_ipstats_list[i].name != NULL; i++) |
4ce3c183f
|
384 |
seq_printf(seq, " %llu", |
698365fa1
|
385 |
snmp_fold_field64(net->mib.ip_statistics, |
4ce3c183f
|
386 387 |
snmp4_ipstats_list[i].entry, offsetof(struct ipstats_mib, syncp))); |
1da177e4c
|
388 |
|
96793b482
|
389 390 |
icmp_put(seq); /* RFC 2011 compatibility */ icmpmsg_put(seq); |
1da177e4c
|
391 392 393 394 395 396 397 398 399 400 401 402 |
seq_puts(seq, " Tcp:"); for (i = 0; snmp4_tcp_list[i].name != NULL; i++) seq_printf(seq, " %s", snmp4_tcp_list[i].name); seq_puts(seq, " Tcp:"); for (i = 0; snmp4_tcp_list[i].name != NULL; i++) { /* MaxConn field is signed, RFC 2012 */ if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN) seq_printf(seq, " %ld", |
698365fa1
|
403 |
snmp_fold_field(net->mib.tcp_statistics, |
5e0f04351
|
404 |
snmp4_tcp_list[i].entry)); |
1da177e4c
|
405 406 |
else seq_printf(seq, " %lu", |
698365fa1
|
407 |
snmp_fold_field(net->mib.tcp_statistics, |
5e0f04351
|
408 |
snmp4_tcp_list[i].entry)); |
1da177e4c
|
409 410 411 412 413 414 415 416 417 418 419 |
} seq_puts(seq, " Udp:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %s", snmp4_udp_list[i].name); seq_puts(seq, " Udp:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", |
698365fa1
|
420 |
snmp_fold_field(net->mib.udp_statistics, |
5e0f04351
|
421 |
snmp4_udp_list[i].entry)); |
1da177e4c
|
422 |
|
ba4e58eca
|
423 424 425 426 427 428 429 430 431 432 |
/* the UDP and UDP-Lite MIBs are the same */ seq_puts(seq, " UdpLite:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %s", snmp4_udp_list[i].name); seq_puts(seq, " UdpLite:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", |
698365fa1
|
433 |
snmp_fold_field(net->mib.udplite_statistics, |
5e0f04351
|
434 |
snmp4_udp_list[i].entry)); |
db8dac20d
|
435 |
|
1da177e4c
|
436 437 438 439 440 441 442 |
seq_putc(seq, ' '); return 0; } static int snmp_seq_open(struct inode *inode, struct file *file) { |
de05c557b
|
443 |
return single_open_net(inode, file, snmp_seq_show); |
229bf0cba
|
444 |
} |
9a32144e9
|
445 |
static const struct file_operations snmp_seq_fops = { |
1da177e4c
|
446 447 448 449 |
.owner = THIS_MODULE, .open = snmp_seq_open, .read = seq_read, .llseek = seq_lseek, |
b6fcbdb4f
|
450 |
.release = single_release_net, |
1da177e4c
|
451 |
}; |
96793b482
|
452 |
|
1da177e4c
|
453 454 455 456 457 458 |
/* * Output /proc/net/netstat */ static int netstat_seq_show(struct seq_file *seq, void *v) { int i; |
7b7a9dfdf
|
459 |
struct net *net = seq->private; |
1da177e4c
|
460 461 462 463 464 465 466 467 468 |
seq_puts(seq, "TcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) seq_printf(seq, " %s", snmp4_net_list[i].name); seq_puts(seq, " TcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) seq_printf(seq, " %lu", |
698365fa1
|
469 |
snmp_fold_field(net->mib.net_statistics, |
5e0f04351
|
470 |
snmp4_net_list[i].entry)); |
1da177e4c
|
471 |
|
d831666e9
|
472 473 474 475 476 477 478 479 |
seq_puts(seq, " IpExt:"); for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++) seq_printf(seq, " %s", snmp4_ipextstats_list[i].name); seq_puts(seq, " IpExt:"); for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++) |
4ce3c183f
|
480 |
seq_printf(seq, " %llu", |
698365fa1
|
481 |
snmp_fold_field64(net->mib.ip_statistics, |
4ce3c183f
|
482 483 |
snmp4_ipextstats_list[i].entry, offsetof(struct ipstats_mib, syncp))); |
d831666e9
|
484 |
|
1da177e4c
|
485 486 487 488 489 490 491 |
seq_putc(seq, ' '); return 0; } static int netstat_seq_open(struct inode *inode, struct file *file) { |
de05c557b
|
492 |
return single_open_net(inode, file, netstat_seq_show); |
7b7a9dfdf
|
493 |
} |
9a32144e9
|
494 |
static const struct file_operations netstat_seq_fops = { |
1da177e4c
|
495 496 497 498 |
.owner = THIS_MODULE, .open = netstat_seq_open, .read = seq_read, .llseek = seq_lseek, |
b6fcbdb4f
|
499 |
.release = single_release_net, |
1da177e4c
|
500 |
}; |
d0538ca35
|
501 502 |
static __net_init int ip_proc_init_net(struct net *net) { |
d4beaa66a
|
503 504 |
if (!proc_create("sockstat", S_IRUGO, net->proc_net, &sockstat_seq_fops)) |
60bdde958
|
505 |
goto out_sockstat; |
d4beaa66a
|
506 |
if (!proc_create("netstat", S_IRUGO, net->proc_net, &netstat_seq_fops)) |
7b7a9dfdf
|
507 |
goto out_netstat; |
d4beaa66a
|
508 |
if (!proc_create("snmp", S_IRUGO, net->proc_net, &snmp_seq_fops)) |
229bf0cba
|
509 |
goto out_snmp; |
7b7a9dfdf
|
510 |
|
d0538ca35
|
511 |
return 0; |
7b7a9dfdf
|
512 |
|
229bf0cba
|
513 |
out_snmp: |
ece31ffd5
|
514 |
remove_proc_entry("netstat", net->proc_net); |
7b7a9dfdf
|
515 |
out_netstat: |
ece31ffd5
|
516 |
remove_proc_entry("sockstat", net->proc_net); |
60bdde958
|
517 |
out_sockstat: |
7b7a9dfdf
|
518 |
return -ENOMEM; |
d0538ca35
|
519 520 521 522 |
} static __net_exit void ip_proc_exit_net(struct net *net) { |
ece31ffd5
|
523 524 525 |
remove_proc_entry("snmp", net->proc_net); remove_proc_entry("netstat", net->proc_net); remove_proc_entry("sockstat", net->proc_net); |
d0538ca35
|
526 527 528 529 530 531 |
} static __net_initdata struct pernet_operations ip_proc_ops = { .init = ip_proc_init_net, .exit = ip_proc_exit_net, }; |
1da177e4c
|
532 533 |
int __init ip_misc_proc_init(void) { |
60bdde958
|
534 |
return register_pernet_subsys(&ip_proc_ops); |
1da177e4c
|
535 |
} |
334901700
|
536 |