Blame view
net/ipv4/proc.c
19.3 KB
1da177e4c Linux-2.6.12-rc2 |
1 2 3 4 5 6 7 8 9 |
/* * 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. * |
1da177e4c Linux-2.6.12-rc2 |
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 |
* 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> |
457c4cbc5 [NET]: Make /proc... |
35 |
#include <net/net_namespace.h> |
1da177e4c Linux-2.6.12-rc2 |
36 37 38 39 |
#include <net/icmp.h> #include <net/protocol.h> #include <net/tcp.h> #include <net/udp.h> |
ba4e58eca [NET]: Supporting... |
40 |
#include <net/udplite.h> |
eb4dea585 net: Fix percpu c... |
41 |
#include <linux/bottom_half.h> |
14c850212 [INET_SOCK]: Move... |
42 |
#include <linux/inetdevice.h> |
1da177e4c Linux-2.6.12-rc2 |
43 44 |
#include <linux/proc_fs.h> #include <linux/seq_file.h> |
bc3b2d7fb net: Add export.h... |
45 |
#include <linux/export.h> |
1da177e4c Linux-2.6.12-rc2 |
46 47 |
#include <net/sock.h> #include <net/raw.h> |
1da177e4c Linux-2.6.12-rc2 |
48 49 50 51 52 |
/* * Report socket allocation statistics [mea@utu.fi] */ static int sockstat_seq_show(struct seq_file *seq, void *v) { |
fd4e7b504 [IPV4][NETNS]: Di... |
53 |
struct net *net = seq->private; |
eb4dea585 net: Fix percpu c... |
54 55 56 |
int orphans, sockets; local_bh_disable(); |
1c10c49d8 net: replace comm... |
57 |
orphans = percpu_counter_sum_positive(&tcp_orphan_count); |
180d8cd94 foundations of pe... |
58 |
sockets = proto_sockets_allocated_sum_positive(&tcp_prot); |
eb4dea585 net: Fix percpu c... |
59 |
local_bh_enable(); |
fd4e7b504 [IPV4][NETNS]: Di... |
60 |
|
1da177e4c Linux-2.6.12-rc2 |
61 |
socket_seq_show(seq); |
8d987e5c7 net: avoid limits... |
62 63 |
seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld ", |
eb4dea585 net: Fix percpu c... |
64 65 |
sock_prot_inuse_get(net, &tcp_prot), orphans, tcp_death_row.tw_count, sockets, |
180d8cd94 foundations of pe... |
66 |
proto_memory_allocated(&tcp_prot)); |
8d987e5c7 net: avoid limits... |
67 68 |
seq_printf(seq, "UDP: inuse %d mem %ld ", |
fd4e7b504 [IPV4][NETNS]: Di... |
69 |
sock_prot_inuse_get(net, &udp_prot), |
180d8cd94 foundations of pe... |
70 |
proto_memory_allocated(&udp_prot)); |
c29a0bc4d [SOCK][NETNS]: Ad... |
71 72 |
seq_printf(seq, "UDPLITE: inuse %d ", |
fd4e7b504 [IPV4][NETNS]: Di... |
73 |
sock_prot_inuse_get(net, &udplite_prot)); |
c29a0bc4d [SOCK][NETNS]: Ad... |
74 75 |
seq_printf(seq, "RAW: inuse %d ", |
fd4e7b504 [IPV4][NETNS]: Di... |
76 |
sock_prot_inuse_get(net, &raw_prot)); |
7eb95156d [INET]: Collect f... |
77 78 |
seq_printf(seq, "FRAG: inuse %d memory %d ", |
fd4e7b504 [IPV4][NETNS]: Di... |
79 |
ip_frag_nqueues(net), ip_frag_mem(net)); |
1da177e4c Linux-2.6.12-rc2 |
80 81 82 83 84 |
return 0; } static int sockstat_seq_open(struct inode *inode, struct file *file) { |
de05c557b proc: consolidate... |
85 |
return single_open_net(inode, file, sockstat_seq_show); |
fd4e7b504 [IPV4][NETNS]: Di... |
86 |
} |
9a32144e9 [PATCH] mark stru... |
87 |
static const struct file_operations sockstat_seq_fops = { |
1da177e4c Linux-2.6.12-rc2 |
88 89 90 91 |
.owner = THIS_MODULE, .open = sockstat_seq_open, .read = seq_read, .llseek = seq_lseek, |
b6fcbdb4f proc: consolidate... |
92 |
.release = single_release_net, |
1da177e4c Linux-2.6.12-rc2 |
93 |
}; |
1da177e4c Linux-2.6.12-rc2 |
94 |
/* snmp items */ |
9b5b5cff9 [NET]: Add const ... |
95 |
static const struct snmp_mib snmp4_ipstats_list[] = { |
edf391ff1 snmp: add missing... |
96 |
SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INPKTS), |
1da177e4c Linux-2.6.12-rc2 |
97 98 99 100 101 102 |
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), |
edf391ff1 snmp: add missing... |
103 |
SNMP_MIB_ITEM("OutRequests", IPSTATS_MIB_OUTPKTS), |
1da177e4c Linux-2.6.12-rc2 |
104 105 106 107 108 109 110 111 112 113 114 |
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 }; |
1f07d03e2 net: add SNMP cou... |
115 |
/* Following items are displayed in /proc/net/netstat */ |
d831666e9 [IPV4] SNMP: Disp... |
116 117 118 119 120 121 122 |
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), |
edf391ff1 snmp: add missing... |
123 124 125 126 127 128 |
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), |
1f07d03e2 net: add SNMP cou... |
129 |
/* Non RFC4293 fields */ |
6a5dc9e59 net: Add MIB coun... |
130 |
SNMP_MIB_ITEM("InCsumErrors", IPSTATS_MIB_CSUMERRORS), |
1f07d03e2 net: add SNMP cou... |
131 132 133 134 |
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), |
d831666e9 [IPV4] SNMP: Disp... |
135 136 |
SNMP_MIB_SENTINEL }; |
5833929cc net: constify MIB... |
137 138 |
static const struct { const char *name; |
96793b482 [IPV4]: Add ICMPM... |
139 140 141 142 143 144 145 146 147 148 149 150 151 |
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 }, |
cfcabdcc2 [NET]: sparse war... |
152 |
{ NULL, 0 } |
96793b482 [IPV4]: Add ICMPM... |
153 |
}; |
9b5b5cff9 [NET]: Add const ... |
154 |
static const struct snmp_mib snmp4_tcp_list[] = { |
1da177e4c Linux-2.6.12-rc2 |
155 156 157 158 159 160 161 162 163 164 165 166 167 168 |
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), |
6a5dc9e59 net: Add MIB coun... |
169 |
SNMP_MIB_ITEM("InCsumErrors", TCP_MIB_CSUMERRORS), |
1da177e4c Linux-2.6.12-rc2 |
170 171 |
SNMP_MIB_SENTINEL }; |
9b5b5cff9 [NET]: Add const ... |
172 |
static const struct snmp_mib snmp4_udp_list[] = { |
1da177e4c Linux-2.6.12-rc2 |
173 174 175 176 |
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), |
81aa646cc [IPV4]: add the U... |
177 178 |
SNMP_MIB_ITEM("RcvbufErrors", UDP_MIB_RCVBUFERRORS), SNMP_MIB_ITEM("SndbufErrors", UDP_MIB_SNDBUFERRORS), |
6a5dc9e59 net: Add MIB coun... |
179 |
SNMP_MIB_ITEM("InCsumErrors", UDP_MIB_CSUMERRORS), |
1da177e4c Linux-2.6.12-rc2 |
180 181 |
SNMP_MIB_SENTINEL }; |
9b5b5cff9 [NET]: Add const ... |
182 |
static const struct snmp_mib snmp4_net_list[] = { |
1da177e4c Linux-2.6.12-rc2 |
183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 |
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), |
1da177e4c Linux-2.6.12-rc2 |
223 224 225 226 227 228 229 230 |
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), |
6ba8a3b19 tcp: Tail loss pr... |
231 |
SNMP_MIB_ITEM("TCPLossProbes", LINUX_MIB_TCPLOSSPROBES), |
9b717a8d2 tcp: TLP loss det... |
232 |
SNMP_MIB_ITEM("TCPLossProbeRecovery", LINUX_MIB_TCPLOSSPROBERECOVERY), |
1da177e4c Linux-2.6.12-rc2 |
233 234 235 236 237 238 239 240 |
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), |
1da177e4c Linux-2.6.12-rc2 |
241 242 243 244 245 246 247 |
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), |
18f02545a [TCP] MIB: Add co... |
248 249 250 |
SNMP_MIB_ITEM("TCPSACKDiscard", LINUX_MIB_TCPSACKDISCARD), SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD), SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO), |
912d8f0b1 [TCP] MIB: Count ... |
251 |
SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS), |
785957d3e tcp: MD5: Use MIB... |
252 253 |
SNMP_MIB_ITEM("TCPMD5NotFound", LINUX_MIB_TCPMD5NOTFOUND), SNMP_MIB_ITEM("TCPMD5Unexpected", LINUX_MIB_TCPMD5UNEXPECTED), |
111cc8b91 tcp: add some mib... |
254 255 256 |
SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED), SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED), SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK), |
6cce09f87 tcp: Add SNMP cou... |
257 258 |
SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP), SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP), |
907cdda52 tcp: Add SNMP cou... |
259 |
SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP), |
b5f7e7554 ipv4: add LINUX_M... |
260 |
SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER), |
67631510a tcp: Replace time... |
261 |
SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW), |
946cedccb tcp: Change possi... |
262 263 |
SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES), SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP), |
09e9b813d tcp: add LINUX_MI... |
264 |
SNMP_MIB_ITEM("TCPRetransFail", LINUX_MIB_TCPRETRANSFAIL), |
c8628155e tcp: reduce out_o... |
265 |
SNMP_MIB_ITEM("TCPRcvCoalesce", LINUX_MIB_TCPRCVCOALESCE), |
a6df1ae93 tcp: add OFO snmp... |
266 267 268 |
SNMP_MIB_ITEM("TCPOFOQueue", LINUX_MIB_TCPOFOQUEUE), SNMP_MIB_ITEM("TCPOFODrop", LINUX_MIB_TCPOFODROP), SNMP_MIB_ITEM("TCPOFOMerge", LINUX_MIB_TCPOFOMERGE), |
282f23c6e tcp: implement RF... |
269 |
SNMP_MIB_ITEM("TCPChallengeACK", LINUX_MIB_TCPCHALLENGEACK), |
0c24604b6 tcp: implement RF... |
270 |
SNMP_MIB_ITEM("TCPSYNChallenge", LINUX_MIB_TCPSYNCHALLENGE), |
783237e8d net-tcp: Fast Ope... |
271 |
SNMP_MIB_ITEM("TCPFastOpenActive", LINUX_MIB_TCPFASTOPENACTIVE), |
f19c29e3e tcp: snmp stats f... |
272 |
SNMP_MIB_ITEM("TCPFastOpenActiveFail", LINUX_MIB_TCPFASTOPENACTIVEFAIL), |
104671636 tcp: TCP Fast Ope... |
273 274 275 276 |
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), |
0e280af02 tcp: introduce TC... |
277 |
SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES), |
288a93763 net: rename busy ... |
278 |
SNMP_MIB_ITEM("BusyPollRxPackets", LINUX_MIB_BUSYPOLLRXPACKETS), |
f54b31114 tcp: auto corking |
279 |
SNMP_MIB_ITEM("TCPAutoCorking", LINUX_MIB_TCPAUTOCORKING), |
8e165e203 net: tcp: add mib... |
280 281 282 |
SNMP_MIB_ITEM("TCPFromZeroWindowAdv", LINUX_MIB_TCPFROMZEROWINDOWADV), SNMP_MIB_ITEM("TCPToZeroWindowAdv", LINUX_MIB_TCPTOZEROWINDOWADV), SNMP_MIB_ITEM("TCPWantZeroWindowAdv", LINUX_MIB_TCPWANTZEROWINDOWADV), |
f19c29e3e tcp: snmp stats f... |
283 284 |
SNMP_MIB_ITEM("TCPSynRetrans", LINUX_MIB_TCPSYNRETRANS), SNMP_MIB_ITEM("TCPOrigDataSent", LINUX_MIB_TCPORIGDATASENT), |
1da177e4c Linux-2.6.12-rc2 |
285 286 |
SNMP_MIB_SENTINEL }; |
b971e7ac8 net: fix /proc/ne... |
287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 |
static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals, unsigned short *type, int count) { int j; if (count) { seq_printf(seq, " IcmpMsg:"); for (j = 0; j < count; ++j) seq_printf(seq, " %sType%u", type[j] & 0x100 ? "Out" : "In", type[j] & 0xff); seq_printf(seq, " IcmpMsg:"); for (j = 0; j < count; ++j) seq_printf(seq, " %lu", vals[j]); } } |
96793b482 [IPV4]: Add ICMPM... |
305 306 307 |
static void icmpmsg_put(struct seq_file *seq) { #define PERLINE 16 |
b971e7ac8 net: fix /proc/ne... |
308 309 310 |
int i, count; unsigned short type[PERLINE]; unsigned long vals[PERLINE], val; |
229bf0cba proc: create /pro... |
311 |
struct net *net = seq->private; |
96793b482 [IPV4]: Add ICMPM... |
312 313 314 |
count = 0; for (i = 0; i < ICMPMSG_MIB_MAX; i++) { |
acb32ba3d ipv4: reduce perc... |
315 |
val = atomic_long_read(&net->mib.icmpmsg_statistics->mibs[i]); |
b971e7ac8 net: fix /proc/ne... |
316 317 318 319 320 321 322 323 |
if (val) { type[count] = i; vals[count++] = val; } if (count == PERLINE) { icmpmsg_put_line(seq, vals, type, count); count = 0; } |
96793b482 [IPV4]: Add ICMPM... |
324 |
} |
b971e7ac8 net: fix /proc/ne... |
325 |
icmpmsg_put_line(seq, vals, type, count); |
96793b482 [IPV4]: Add ICMPM... |
326 327 328 329 330 331 332 |
#undef PERLINE } static void icmp_put(struct seq_file *seq) { int i; |
229bf0cba proc: create /pro... |
333 |
struct net *net = seq->private; |
acb32ba3d ipv4: reduce perc... |
334 |
atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs; |
96793b482 [IPV4]: Add ICMPM... |
335 |
|
6a5dc9e59 net: Add MIB coun... |
336 337 |
seq_puts(seq, " Icmp: InMsgs InErrors InCsumErrors"); |
442c67f84 ipv4: spaces requ... |
338 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482 [IPV4]: Add ICMPM... |
339 340 |
seq_printf(seq, " In%s", icmpmibmap[i].name); seq_printf(seq, " OutMsgs OutErrors"); |
442c67f84 ipv4: spaces requ... |
341 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482 [IPV4]: Add ICMPM... |
342 |
seq_printf(seq, " Out%s", icmpmibmap[i].name); |
6a5dc9e59 net: Add MIB coun... |
343 344 |
seq_printf(seq, " Icmp: %lu %lu %lu", |
698365fa1 net: clean up snm... |
345 346 347 |
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 ipv4: spaces requ... |
348 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482 [IPV4]: Add ICMPM... |
349 |
seq_printf(seq, " %lu", |
acb32ba3d ipv4: reduce perc... |
350 |
atomic_long_read(ptr + icmpmibmap[i].index)); |
96793b482 [IPV4]: Add ICMPM... |
351 |
seq_printf(seq, " %lu %lu", |
698365fa1 net: clean up snm... |
352 353 |
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS), snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS)); |
442c67f84 ipv4: spaces requ... |
354 |
for (i = 0; icmpmibmap[i].name != NULL; i++) |
96793b482 [IPV4]: Add ICMPM... |
355 |
seq_printf(seq, " %lu", |
acb32ba3d ipv4: reduce perc... |
356 |
atomic_long_read(ptr + (icmpmibmap[i].index | 0x100))); |
96793b482 [IPV4]: Add ICMPM... |
357 |
} |
1da177e4c Linux-2.6.12-rc2 |
358 359 360 361 362 363 |
/* * Called from the PROCfs module. This outputs /proc/net/snmp. */ static int snmp_seq_show(struct seq_file *seq, void *v) { int i; |
229bf0cba proc: create /pro... |
364 |
struct net *net = seq->private; |
1da177e4c Linux-2.6.12-rc2 |
365 366 367 368 369 370 371 372 |
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 proc: show per-ne... |
373 |
IPV4_DEVCONF_ALL(net, FORWARDING) ? 1 : 2, |
586f12115 [IPV4]: Switch us... |
374 |
sysctl_ip_default_ttl); |
1da177e4c Linux-2.6.12-rc2 |
375 |
|
4ce3c183f snmp: 64bit ipsta... |
376 |
BUILD_BUG_ON(offsetof(struct ipstats_mib, mibs) != 0); |
1da177e4c Linux-2.6.12-rc2 |
377 |
for (i = 0; snmp4_ipstats_list[i].name != NULL; i++) |
4ce3c183f snmp: 64bit ipsta... |
378 |
seq_printf(seq, " %llu", |
698365fa1 net: clean up snm... |
379 |
snmp_fold_field64(net->mib.ip_statistics, |
4ce3c183f snmp: 64bit ipsta... |
380 381 |
snmp4_ipstats_list[i].entry, offsetof(struct ipstats_mib, syncp))); |
1da177e4c Linux-2.6.12-rc2 |
382 |
|
96793b482 [IPV4]: Add ICMPM... |
383 384 |
icmp_put(seq); /* RFC 2011 compatibility */ icmpmsg_put(seq); |
1da177e4c Linux-2.6.12-rc2 |
385 386 387 388 389 390 391 392 393 394 395 396 |
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 net: clean up snm... |
397 |
snmp_fold_field(net->mib.tcp_statistics, |
5e0f04351 [IPV4]: Consolida... |
398 |
snmp4_tcp_list[i].entry)); |
1da177e4c Linux-2.6.12-rc2 |
399 400 |
else seq_printf(seq, " %lu", |
698365fa1 net: clean up snm... |
401 |
snmp_fold_field(net->mib.tcp_statistics, |
5e0f04351 [IPV4]: Consolida... |
402 |
snmp4_tcp_list[i].entry)); |
1da177e4c Linux-2.6.12-rc2 |
403 404 405 406 407 408 409 410 411 412 413 |
} 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 net: clean up snm... |
414 |
snmp_fold_field(net->mib.udp_statistics, |
5e0f04351 [IPV4]: Consolida... |
415 |
snmp4_udp_list[i].entry)); |
1da177e4c Linux-2.6.12-rc2 |
416 |
|
ba4e58eca [NET]: Supporting... |
417 418 419 420 421 422 423 424 425 426 |
/* 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 net: clean up snm... |
427 |
snmp_fold_field(net->mib.udplite_statistics, |
5e0f04351 [IPV4]: Consolida... |
428 |
snmp4_udp_list[i].entry)); |
db8dac20d [UDP]: Revert udp... |
429 |
|
1da177e4c Linux-2.6.12-rc2 |
430 431 432 433 434 435 436 |
seq_putc(seq, ' '); return 0; } static int snmp_seq_open(struct inode *inode, struct file *file) { |
de05c557b proc: consolidate... |
437 |
return single_open_net(inode, file, snmp_seq_show); |
229bf0cba proc: create /pro... |
438 |
} |
9a32144e9 [PATCH] mark stru... |
439 |
static const struct file_operations snmp_seq_fops = { |
1da177e4c Linux-2.6.12-rc2 |
440 441 442 443 |
.owner = THIS_MODULE, .open = snmp_seq_open, .read = seq_read, .llseek = seq_lseek, |
b6fcbdb4f proc: consolidate... |
444 |
.release = single_release_net, |
1da177e4c Linux-2.6.12-rc2 |
445 |
}; |
96793b482 [IPV4]: Add ICMPM... |
446 |
|
1da177e4c Linux-2.6.12-rc2 |
447 448 449 450 451 452 |
/* * Output /proc/net/netstat */ static int netstat_seq_show(struct seq_file *seq, void *v) { int i; |
7b7a9dfdf proc: create /pro... |
453 |
struct net *net = seq->private; |
1da177e4c Linux-2.6.12-rc2 |
454 455 456 457 458 459 460 461 462 |
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 net: clean up snm... |
463 |
snmp_fold_field(net->mib.net_statistics, |
5e0f04351 [IPV4]: Consolida... |
464 |
snmp4_net_list[i].entry)); |
1da177e4c Linux-2.6.12-rc2 |
465 |
|
d831666e9 [IPV4] SNMP: Disp... |
466 467 468 469 470 471 472 473 |
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 snmp: 64bit ipsta... |
474 |
seq_printf(seq, " %llu", |
698365fa1 net: clean up snm... |
475 |
snmp_fold_field64(net->mib.ip_statistics, |
4ce3c183f snmp: 64bit ipsta... |
476 477 |
snmp4_ipextstats_list[i].entry, offsetof(struct ipstats_mib, syncp))); |
d831666e9 [IPV4] SNMP: Disp... |
478 |
|
1da177e4c Linux-2.6.12-rc2 |
479 480 481 482 483 484 485 |
seq_putc(seq, ' '); return 0; } static int netstat_seq_open(struct inode *inode, struct file *file) { |
de05c557b proc: consolidate... |
486 |
return single_open_net(inode, file, netstat_seq_show); |
7b7a9dfdf proc: create /pro... |
487 |
} |
9a32144e9 [PATCH] mark stru... |
488 |
static const struct file_operations netstat_seq_fops = { |
1da177e4c Linux-2.6.12-rc2 |
489 490 491 492 |
.owner = THIS_MODULE, .open = netstat_seq_open, .read = seq_read, .llseek = seq_lseek, |
b6fcbdb4f proc: consolidate... |
493 |
.release = single_release_net, |
1da177e4c Linux-2.6.12-rc2 |
494 |
}; |
d0538ca35 [SOCK][NETNS]: Re... |
495 496 |
static __net_init int ip_proc_init_net(struct net *net) { |
d4beaa66a net: proc: change... |
497 498 |
if (!proc_create("sockstat", S_IRUGO, net->proc_net, &sockstat_seq_fops)) |
60bdde958 proc: clean the i... |
499 |
goto out_sockstat; |
d4beaa66a net: proc: change... |
500 |
if (!proc_create("netstat", S_IRUGO, net->proc_net, &netstat_seq_fops)) |
7b7a9dfdf proc: create /pro... |
501 |
goto out_netstat; |
d4beaa66a net: proc: change... |
502 |
if (!proc_create("snmp", S_IRUGO, net->proc_net, &snmp_seq_fops)) |
229bf0cba proc: create /pro... |
503 |
goto out_snmp; |
7b7a9dfdf proc: create /pro... |
504 |
|
d0538ca35 [SOCK][NETNS]: Re... |
505 |
return 0; |
7b7a9dfdf proc: create /pro... |
506 |
|
229bf0cba proc: create /pro... |
507 |
out_snmp: |
ece31ffd5 net: proc: change... |
508 |
remove_proc_entry("netstat", net->proc_net); |
7b7a9dfdf proc: create /pro... |
509 |
out_netstat: |
ece31ffd5 net: proc: change... |
510 |
remove_proc_entry("sockstat", net->proc_net); |
60bdde958 proc: clean the i... |
511 |
out_sockstat: |
7b7a9dfdf proc: create /pro... |
512 |
return -ENOMEM; |
d0538ca35 [SOCK][NETNS]: Re... |
513 514 515 516 |
} static __net_exit void ip_proc_exit_net(struct net *net) { |
ece31ffd5 net: proc: change... |
517 518 519 |
remove_proc_entry("snmp", net->proc_net); remove_proc_entry("netstat", net->proc_net); remove_proc_entry("sockstat", net->proc_net); |
d0538ca35 [SOCK][NETNS]: Re... |
520 521 522 523 524 525 |
} static __net_initdata struct pernet_operations ip_proc_ops = { .init = ip_proc_init_net, .exit = ip_proc_exit_net, }; |
1da177e4c Linux-2.6.12-rc2 |
526 527 |
int __init ip_misc_proc_init(void) { |
60bdde958 proc: clean the i... |
528 |
return register_pernet_subsys(&ip_proc_ops); |
1da177e4c Linux-2.6.12-rc2 |
529 |
} |
334901700 [IPV4] SNMP: Move... |
530 |