Release 4.7 net/ipv4/proc.c
/*
* 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.
*
* 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>
#include <net/net_namespace.h>
#include <net/icmp.h>
#include <net/protocol.h>
#include <net/tcp.h>
#include <net/udp.h>
#include <net/udplite.h>
#include <linux/bottom_half.h>
#include <linux/inetdevice.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/export.h>
#include <net/sock.h>
#include <net/raw.h>
/*
* Report socket allocation statistics [mea@utu.fi]
*/
static int sockstat_seq_show(struct seq_file *seq, void *v)
{
struct net *net = seq->private;
unsigned int frag_mem;
int orphans, sockets;
local_bh_disable();
orphans = percpu_counter_sum_positive(&tcp_orphan_count);
sockets = proto_sockets_allocated_sum_positive(&tcp_prot);
local_bh_enable();
socket_seq_show(seq);
seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n",
sock_prot_inuse_get(net, &tcp_prot), orphans,
atomic_read(&tcp_death_row.tw_count), sockets,
proto_memory_allocated(&tcp_prot));
seq_printf(seq, "UDP: inuse %d mem %ld\n",
sock_prot_inuse_get(net, &udp_prot),
proto_memory_allocated(&udp_prot));
seq_printf(seq, "UDPLITE: inuse %d\n",
sock_prot_inuse_get(net, &udplite_prot));
seq_printf(seq, "RAW: inuse %d\n",
sock_prot_inuse_get(net, &raw_prot));
frag_mem = ip_frag_mem(net);
seq_printf(seq, "FRAG: inuse %u memory %u\n", !!frag_mem, frag_mem);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
pre-git | pre-git | 51 | 30.54% | 6 | 31.58% |
herbert xu | herbert xu | 25 | 14.97% | 1 | 5.26% |
pavel emelianov | pavel emelianov | 21 | 12.57% | 2 | 10.53% |
arnaldo carvalho de melo | arnaldo carvalho de melo | 21 | 12.57% | 2 | 10.53% |
florian westphal | florian westphal | 16 | 9.58% | 1 | 5.26% |
gerrit renker | gerrit renker | 11 | 6.59% | 1 | 5.26% |
eric dumazet | eric dumazet | 10 | 5.99% | 3 | 15.79% |
glauber costa | glauber costa | 6 | 3.59% | 1 | 5.26% |
hideo aoki | hideo aoki | 4 | 2.40% | 1 | 5.26% |
thomas gleixner | thomas gleixner | 2 | 1.20% | 1 | 5.26% |
| Total | 167 | 100.00% | 19 | 100.00% |
static int sockstat_seq_open(struct inode *inode, struct file *file)
{
return single_open_net(inode, file, sockstat_seq_show);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
arnaldo carvalho de melo | arnaldo carvalho de melo | 18 | 69.23% | 1 | 33.33% |
pavel emelianov | pavel emelianov | 8 | 30.77% | 2 | 66.67% |
| Total | 26 | 100.00% | 3 | 100.00% |
static const struct file_operations sockstat_seq_fops = {
.owner = THIS_MODULE,
.open = sockstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release_net,
};
/* snmp items */
static const struct snmp_mib snmp4_ipstats_list[] = {
SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INPKTS),
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),
SNMP_MIB_ITEM("OutRequests", IPSTATS_MIB_OUTPKTS),
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
};
/* Following items are displayed in /proc/net/netstat */
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),
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),
/* Non RFC4293 fields */
SNMP_MIB_ITEM("InCsumErrors", IPSTATS_MIB_CSUMERRORS),
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),
SNMP_MIB_SENTINEL
};
static const struct {
const char *name;
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 },
{ NULL, 0 }
};
static const struct snmp_mib snmp4_tcp_list[] = {
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),
SNMP_MIB_ITEM("InCsumErrors", TCP_MIB_CSUMERRORS),
SNMP_MIB_SENTINEL
};
static const struct snmp_mib snmp4_udp_list[] = {
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),
SNMP_MIB_ITEM("RcvbufErrors", UDP_MIB_RCVBUFERRORS),
SNMP_MIB_ITEM("SndbufErrors", UDP_MIB_SNDBUFERRORS),
SNMP_MIB_ITEM("InCsumErrors", UDP_MIB_CSUMERRORS),
SNMP_MIB_ITEM("IgnoredMulti", UDP_MIB_IGNOREDMULTI),
SNMP_MIB_SENTINEL
};
static const struct snmp_mib snmp4_net_list[] = {
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),
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),
SNMP_MIB_ITEM("TCPLossProbes", LINUX_MIB_TCPLOSSPROBES),
SNMP_MIB_ITEM("TCPLossProbeRecovery", LINUX_MIB_TCPLOSSPROBERECOVERY),
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),
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),
SNMP_MIB_ITEM("TCPSACKDiscard", LINUX_MIB_TCPSACKDISCARD),
SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD),
SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO),
SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS),
SNMP_MIB_ITEM("TCPMD5NotFound", LINUX_MIB_TCPMD5NOTFOUND),
SNMP_MIB_ITEM("TCPMD5Unexpected", LINUX_MIB_TCPMD5UNEXPECTED),
SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED),
SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED),
SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK),
SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP),
SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP),
SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP),
SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER),
SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW),
SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES),
SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP),
SNMP_MIB_ITEM("TCPRetransFail", LINUX_MIB_TCPRETRANSFAIL),
SNMP_MIB_ITEM("TCPRcvCoalesce", LINUX_MIB_TCPRCVCOALESCE),
SNMP_MIB_ITEM("TCPOFOQueue", LINUX_MIB_TCPOFOQUEUE),
SNMP_MIB_ITEM("TCPOFODrop", LINUX_MIB_TCPOFODROP),
SNMP_MIB_ITEM("TCPOFOMerge", LINUX_MIB_TCPOFOMERGE),
SNMP_MIB_ITEM("TCPChallengeACK", LINUX_MIB_TCPCHALLENGEACK),
SNMP_MIB_ITEM("TCPSYNChallenge", LINUX_MIB_TCPSYNCHALLENGE),
SNMP_MIB_ITEM("TCPFastOpenActive", LINUX_MIB_TCPFASTOPENACTIVE),
SNMP_MIB_ITEM("TCPFastOpenActiveFail", LINUX_MIB_TCPFASTOPENACTIVEFAIL),
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),
SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES),
SNMP_MIB_ITEM("BusyPollRxPackets", LINUX_MIB_BUSYPOLLRXPACKETS),
SNMP_MIB_ITEM("TCPAutoCorking", LINUX_MIB_TCPAUTOCORKING),
SNMP_MIB_ITEM("TCPFromZeroWindowAdv", LINUX_MIB_TCPFROMZEROWINDOWADV),
SNMP_MIB_ITEM("TCPToZeroWindowAdv", LINUX_MIB_TCPTOZEROWINDOWADV),
SNMP_MIB_ITEM("TCPWantZeroWindowAdv", LINUX_MIB_TCPWANTZEROWINDOWADV),
SNMP_MIB_ITEM("TCPSynRetrans", LINUX_MIB_TCPSYNRETRANS),
SNMP_MIB_ITEM("TCPOrigDataSent", LINUX_MIB_TCPORIGDATASENT),
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),
SNMP_MIB_ITEM("TCPACKSkippedSynRecv", LINUX_MIB_TCPACKSKIPPEDSYNRECV),
SNMP_MIB_ITEM("TCPACKSkippedPAWS", LINUX_MIB_TCPACKSKIPPEDPAWS),
SNMP_MIB_ITEM("TCPACKSkippedSeq", LINUX_MIB_TCPACKSKIPPEDSEQ),
SNMP_MIB_ITEM("TCPACKSkippedFinWait2", LINUX_MIB_TCPACKSKIPPEDFINWAIT2),
SNMP_MIB_ITEM("TCPACKSkippedTimeWait", LINUX_MIB_TCPACKSKIPPEDTIMEWAIT),
SNMP_MIB_ITEM("TCPACKSkippedChallenge", LINUX_MIB_TCPACKSKIPPEDCHALLENGE),
SNMP_MIB_ITEM("TCPWinProbe", LINUX_MIB_TCPWINPROBE),
SNMP_MIB_ITEM("TCPKeepAlive", LINUX_MIB_TCPKEEPALIVE),
SNMP_MIB_ITEM("TCPMTUPFail", LINUX_MIB_TCPMTUPFAIL),
SNMP_MIB_ITEM("TCPMTUPSuccess", LINUX_MIB_TCPMTUPSUCCESS),
SNMP_MIB_SENTINEL
};
static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals,
unsigned short *type, int count)
{
int j;
if (count) {
seq_puts(seq, "\nIcmpMsg:");
for (j = 0; j < count; ++j)
seq_printf(seq, " %sType%u",
type[j] & 0x100 ? "Out" : "In",
type[j] & 0xff);
seq_puts(seq, "\nIcmpMsg:");
for (j = 0; j < count; ++j)
seq_printf(seq, " %lu", vals[j]);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
david l stevens | david l stevens | 41 | 37.27% | 1 | 12.50% |
eric dumazet | eric dumazet | 28 | 25.45% | 1 | 12.50% |
pre-git | pre-git | 24 | 21.82% | 2 | 25.00% |
hideaki yoshifuji | hideaki yoshifuji | 8 | 7.27% | 1 | 12.50% |
arnaldo carvalho de melo | arnaldo carvalho de melo | 6 | 5.45% | 1 | 12.50% |
fabian frederick | fabian frederick | 2 | 1.82% | 1 | 12.50% |
pavel emelianov | pavel emelianov | 1 | 0.91% | 1 | 12.50% |
| Total | 110 | 100.00% | 8 | 100.00% |
static void icmpmsg_put(struct seq_file *seq)
{
#define PERLINE 16
int i, count;
unsigned short type[PERLINE];
unsigned long vals[PERLINE], val;
struct net *net = seq->private;
count = 0;
for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
val = atomic_long_read(&net->mib.icmpmsg_statistics->mibs[i]);
if (val) {
type[count] = i;
vals[count++] = val;
}
if (count == PERLINE) {
icmpmsg_put_line(seq, vals, type, count);
count = 0;
}
}
icmpmsg_put_line(seq, vals, type, count);
#undef PERLINE
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
eric dumazet | eric dumazet | 107 | 76.98% | 2 | 33.33% |
david l stevens | david l stevens | 27 | 19.42% | 1 | 16.67% |
pavel emelianov | pavel emelianov | 4 | 2.88% | 2 | 33.33% |
hideaki yoshifuji | hideaki yoshifuji | 1 | 0.72% | 1 | 16.67% |
| Total | 139 | 100.00% | 6 | 100.00% |
static void icmp_put(struct seq_file *seq)
{
int i;
struct net *net = seq->private;
atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs;
seq_puts(seq, "\nIcmp: InMsgs InErrors InCsumErrors");
for (i = 0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " In%s", icmpmibmap[i].name);
seq_puts(seq, " OutMsgs OutErrors");
for (i = 0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " Out%s", icmpmibmap[i].name);
seq_printf(seq, "\nIcmp: %lu %lu %lu",
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));
for (i = 0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " %lu",
atomic_long_read(ptr + icmpmibmap[i].index));
seq_printf(seq, " %lu %lu",
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS));
for (i = 0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " %lu",
atomic_long_read(ptr + (icmpmibmap[i].index | 0x100)));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
david l stevens | david l stevens | 153 | 58.85% | 1 | 9.09% |
eric dumazet | eric dumazet | 32 | 12.31% | 2 | 18.18% |
pavel emelianov | pavel emelianov | 25 | 9.62% | 2 | 18.18% |
hideaki yoshifuji | hideaki yoshifuji | 22 | 8.46% | 1 | 9.09% |
pre-git | pre-git | 21 | 8.08% | 2 | 18.18% |
arnaldo carvalho de melo | arnaldo carvalho de melo | 4 | 1.54% | 1 | 9.09% |
mitsuru chinen | mitsuru chinen | 2 | 0.77% | 1 | 9.09% |
fabian frederick | fabian frederick | 1 | 0.38% | 1 | 9.09% |
| Total | 260 | 100.00% | 11 | 100.00% |
/*
* Called from the PROCfs module. This outputs /proc/net/snmp.
*/
static int snmp_seq_show(struct seq_file *seq, void *v)
{
int i;
struct net *net = seq->private;
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, "\nIp: %d %d",
IPV4_DEVCONF_ALL(net, FORWARDING) ? 1 : 2,
net->ipv4.sysctl_ip_default_ttl);
BUILD_BUG_ON(offsetof(struct ipstats_mib, mibs) != 0);
for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
seq_printf(seq, " %llu",
snmp_fold_field64(net->mib.ip_statistics,
snmp4_ipstats_list[i].entry,
offsetof(struct ipstats_mib, syncp)));
icmp_put(seq); /* RFC 2011 compatibility */
icmpmsg_put(seq);
seq_puts(seq, "\nTcp:");
for (i = 0; snmp4_tcp_list[i].name != NULL; i++)
seq_printf(seq, " %s", snmp4_tcp_list[i].name);
seq_puts(seq, "\nTcp:");
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",
snmp_fold_field(net->mib.tcp_statistics,
snmp4_tcp_list[i].entry));
else
seq_printf(seq, " %lu",
snmp_fold_field(net->mib.tcp_statistics,
snmp4_tcp_list[i].entry));
}
seq_puts(seq, "\nUdp:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
seq_printf(seq, " %s", snmp4_udp_list[i].name);
seq_puts(seq, "\nUdp:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
snmp_fold_field(net->mib.udp_statistics,
snmp4_udp_list[i].entry));
/* the UDP and UDP-Lite MIBs are the same */
seq_puts(seq, "\nUdpLite:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
seq_printf(seq, " %s", snmp4_udp_list[i].name);
seq_puts(seq, "\nUdpLite:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
snmp_fold_field(net->mib.udplite_statistics,
snmp4_udp_list[i].entry));
seq_putc(seq, '\n');
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
hideaki yoshifuji | hideaki yoshifuji | 122 | 25.79% | 2 | 10.53% |
david l stevens | david l stevens | 112 | 23.68% | 1 | 5.26% |
gerrit renker | gerrit renker | 83 | 17.55% | 1 | 5.26% |
pre-git | pre-git | 62 | 13.11% | 3 | 15.79% |
pavel emelianov | pavel emelianov | 31 | 6.55% | 7 | 36.84% |
eric dumazet | eric dumazet | 23 | 4.86% | 1 | 5.26% |
nivedita singhvi | nivedita singhvi | 21 | 4.44% | 1 | 5.26% |
arnaldo carvalho de melo | arnaldo carvalho de melo | 11 | 2.33% | 1 | 5.26% |
herbert xu | herbert xu | 4 | 0.85% | 1 | 5.26% |
nikolay borisov | nikolay borisov | 4 | 0.85% | 1 | 5.26% |
| Total | 473 | 100.00% | 19 | 100.00% |
static int snmp_seq_open(struct inode *inode, struct file *file)
{
return single_open_net(inode, file, snmp_seq_show);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
arnaldo carvalho de melo | arnaldo carvalho de melo | 18 | 69.23% | 1 | 33.33% |
pavel emelianov | pavel emelianov | 8 | 30.77% | 2 | 66.67% |
| Total | 26 | 100.00% | 3 | 100.00% |
static const struct file_operations snmp_seq_fops = {
.owner = THIS_MODULE,
.open = snmp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release_net,
};
/*
* Output /proc/net/netstat
*/
static int netstat_seq_show(struct seq_file *seq, void *v)
{
int i;
struct net *net = seq->private;
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, "\nTcpExt:");
for (i = 0; snmp4_net_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
snmp_fold_field(net->mib.net_statistics,
snmp4_net_list[i].entry));
seq_puts(seq, "\nIpExt:");
for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
seq_printf(seq, " %s", snmp4_ipextstats_list[i].name);
seq_puts(seq, "\nIpExt:");
for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
seq_printf(seq, " %llu",
snmp_fold_field64(net->mib.ip_statistics,
snmp4_ipextstats_list[i].entry,
offsetof(struct ipstats_mib, syncp)));
seq_putc(seq, '\n');
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
mitsuru chinen | mitsuru chinen | 81 | 36.99% | 1 | 7.69% |
hideaki yoshifuji | hideaki yoshifuji | 52 | 23.74% | 1 | 7.69% |
pre-git | pre-git | 43 | 19.63% | 4 | 30.77% |
pavel emelianov | pavel emelianov | 17 | 7.76% | 3 | 23.08% |
arnaldo carvalho de melo | arnaldo carvalho de melo | 14 | 6.39% | 1 | 7.69% |
eric dumazet | eric dumazet | 10 | 4.57% | 1 | 7.69% |
herbert xu | herbert xu | 1 | 0.46% | 1 | 7.69% |
cal peake | cal peake | 1 | 0.46% | 1 | 7.69% |
| Total | 219 | 100.00% | 13 | 100.00% |
static int netstat_seq_open(struct inode *inode, struct file *file)
{
return single_open_net(inode, file, netstat_seq_show);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
arnaldo carvalho de melo | arnaldo carvalho de melo | 18 | 69.23% | 1 | 33.33% |
pavel emelianov | pavel emelianov | 8 | 30.77% | 2 | 66.67% |
| Total | 26 | 100.00% | 3 | 100.00% |
static const struct file_operations netstat_seq_fops = {
.owner = THIS_MODULE,
.open = netstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release_net,
};
static __net_init int ip_proc_init_net(struct net *net)
{
if (!proc_create("sockstat", S_IRUGO, net->proc_net,
&sockstat_seq_fops))
goto out_sockstat;
if (!proc_create("netstat", S_IRUGO, net->proc_net, &netstat_seq_fops))
goto out_netstat;
if (!proc_create("snmp", S_IRUGO, net->proc_net, &snmp_seq_fops))
goto out_snmp;
return 0;
out_snmp:
remove_proc_entry("netstat", net->proc_net);
out_netstat:
remove_proc_entry("sockstat", net->proc_net);
out_sockstat:
return -ENOMEM;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
pavel emelianov | pavel emelianov | 78 | 75.73% | 4 | 66.67% |
gao feng | gao feng | 25 | 24.27% | 2 | 33.33% |
| Total | 103 | 100.00% | 6 | 100.00% |
static __net_exit void ip_proc_exit_net(struct net *net)
{
remove_proc_entry("snmp", net->proc_net);
remove_proc_entry("netstat", net->proc_net);
remove_proc_entry("sockstat", net->proc_net);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
pavel emelianov | pavel emelianov | 24 | 61.54% | 3 | 75.00% |
gao feng | gao feng | 15 | 38.46% | 1 | 25.00% |
| Total | 39 | 100.00% | 4 | 100.00% |
static __net_initdata struct pernet_operations ip_proc_ops = {
.init = ip_proc_init_net,
.exit = ip_proc_exit_net,
};
int __init ip_misc_proc_init(void)
{
return register_pernet_subsys(&ip_proc_ops);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
arnaldo carvalho de melo | arnaldo carvalho de melo | 11 | 73.33% | 1 | 25.00% |
pavel emelianov | pavel emelianov | 3 | 20.00% | 2 | 50.00% |
eric w. biederman | eric w. biederman | 1 | 6.67% | 1 | 25.00% |
| Total | 15 | 100.00% | 4 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
hideaki yoshifuji | hideaki yoshifuji | 968 | 30.98% | 4 | 3.92% |
eric dumazet | eric dumazet | 408 | 13.06% | 21 | 20.59% |
david l stevens | david l stevens | 398 | 12.74% | 1 | 0.98% |
pavel emelianov | pavel emelianov | 249 | 7.97% | 17 | 16.67% |
pre-git | pre-git | 222 | 7.10% | 13 | 12.75% |
arnaldo carvalho de melo | arnaldo carvalho de melo | 210 | 6.72% | 6 | 5.88% |
mitsuru chinen | mitsuru chinen | 136 | 4.35% | 2 | 1.96% |
gerrit renker | gerrit renker | 97 | 3.10% | 1 | 0.98% |
ilpo jarvinen | ilpo jarvinen | 49 | 1.57% | 3 | 2.94% |
neil horman | neil horman | 44 | 1.41% | 1 | 0.98% |
neal cardwell | neal cardwell | 42 | 1.34% | 1 | 0.98% |
gao feng | gao feng | 40 | 1.28% | 2 | 1.96% |
florian westphal | florian westphal | 37 | 1.18% | 2 | 1.96% |
herbert xu | herbert xu | 33 | 1.06% | 2 | 1.96% |
jerry chu | jerry chu | 28 | 0.90% | 1 | 0.98% |
yuchung cheng | yuchung cheng | 28 | 0.90% | 2 | 1.96% |
nivedita singhvi | nivedita singhvi | 21 | 0.67% | 1 | 0.98% |
rick jones | rick jones | 21 | 0.67% | 2 | 1.96% |
nandita dukkipati | nandita dukkipati | 14 | 0.45% | 2 | 1.96% |
david s. miller | david s. miller | 14 | 0.45% | 1 | 0.98% |
martin bligh | martin bligh | 14 | 0.45% | 1 | 0.98% |
arjan van de ven | arjan van de ven | 7 | 0.22% | 2 | 1.96% |
tom herbert | tom herbert | 7 | 0.22% | 1 | 0.98% |
eliezer tamir | eliezer tamir | 7 | 0.22% | 2 | 1.96% |
glauber costa | glauber costa | 6 | 0.19% | 1 | 0.98% |
nikolay borisov | nikolay borisov | 4 | 0.13% | 1 | 0.98% |
eric w. biederman | eric w. biederman | 4 | 0.13% | 1 | 0.98% |
hideo aoki | hideo aoki | 4 | 0.13% | 1 | 0.98% |
paul gortmaker | paul gortmaker | 3 | 0.10% | 1 | 0.98% |
fabian frederick | fabian frederick | 3 | 0.10% | 1 | 0.98% |
alexey dobriyan | alexey dobriyan | 2 | 0.06% | 1 | 0.98% |
thomas gleixner | thomas gleixner | 2 | 0.06% | 1 | 0.98% |
stephen hemminger | stephen hemminger | 1 | 0.03% | 1 | 0.98% |
adrian bunk | adrian bunk | 1 | 0.03% | 1 | 0.98% |
cal peake | cal peake | 1 | 0.03% | 1 | 0.98% |
| Total | 3125 | 100.00% | 102 | 100.00% |
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