diff options
Diffstat (limited to 'net/ipv4/proc.c')
| -rw-r--r-- | net/ipv4/proc.c | 379 |
1 files changed, 265 insertions, 114 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index a65e508fbd4..ae0af9386f7 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -7,8 +7,6 @@ * PROC file system. It is mainly used for debugging and * statistics. * - * Version: $Id: proc.c,v 1.45 2001/05/16 16:45:35 davem Exp $ - * * 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> @@ -34,79 +32,73 @@ * 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> -static int fold_prot_inuse(struct proto *proto) -{ - int res = 0; - int cpu; - - for (cpu = 0; cpu < NR_CPUS; cpu++) - res += proto->stats[cpu].inuse; - - return res; -} - /* * Report socket allocation statistics [mea@utu.fi] */ static int sockstat_seq_show(struct seq_file *seq, void *v) { + struct net *net = seq->private; + 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 %d\n", - fold_prot_inuse(&tcp_prot), atomic_read(&tcp_orphan_count), - tcp_death_row.tw_count, atomic_read(&tcp_sockets_allocated), - atomic_read(&tcp_memory_allocated)); - seq_printf(seq, "UDP: inuse %d\n", fold_prot_inuse(&udp_prot)); - seq_printf(seq, "RAW: inuse %d\n", fold_prot_inuse(&raw_prot)); - seq_printf(seq, "FRAG: inuse %d memory %d\n", ip_frag_nqueues, - atomic_read(&ip_frag_mem)); + seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n", + sock_prot_inuse_get(net, &tcp_prot), orphans, + 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)); + seq_printf(seq, "FRAG: inuse %d memory %d\n", + ip_frag_nqueues(net), ip_frag_mem(net)); return 0; } static int sockstat_seq_open(struct inode *inode, struct file *file) { - return single_open(file, sockstat_seq_show, NULL); + return single_open_net(inode, file, sockstat_seq_show); } -static struct file_operations sockstat_seq_fops = { +static const struct file_operations sockstat_seq_fops = { .owner = THIS_MODULE, .open = sockstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .release = single_release_net, }; -static unsigned long -fold_field(void *mib[], int offt) -{ - unsigned long res = 0; - int i; - - for_each_cpu(i) { - res += *(((unsigned long *) per_cpu_ptr(mib[0], i)) + offt); - res += *(((unsigned long *) per_cpu_ptr(mib[1], i)) + offt); - } - return res; -} - /* snmp items */ -static struct snmp_mib snmp4_ipstats_list[] = { - SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INRECEIVES), +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_OUTREQUESTS), + 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), @@ -119,37 +111,49 @@ static struct snmp_mib snmp4_ipstats_list[] = { SNMP_MIB_SENTINEL }; -static struct snmp_mib snmp4_icmp_list[] = { - SNMP_MIB_ITEM("InMsgs", ICMP_MIB_INMSGS), - SNMP_MIB_ITEM("InErrors", ICMP_MIB_INERRORS), - SNMP_MIB_ITEM("InDestUnreachs", ICMP_MIB_INDESTUNREACHS), - SNMP_MIB_ITEM("InTimeExcds", ICMP_MIB_INTIMEEXCDS), - SNMP_MIB_ITEM("InParmProbs", ICMP_MIB_INPARMPROBS), - SNMP_MIB_ITEM("InSrcQuenchs", ICMP_MIB_INSRCQUENCHS), - SNMP_MIB_ITEM("InRedirects", ICMP_MIB_INREDIRECTS), - SNMP_MIB_ITEM("InEchos", ICMP_MIB_INECHOS), - SNMP_MIB_ITEM("InEchoReps", ICMP_MIB_INECHOREPS), - SNMP_MIB_ITEM("InTimestamps", ICMP_MIB_INTIMESTAMPS), - SNMP_MIB_ITEM("InTimestampReps", ICMP_MIB_INTIMESTAMPREPS), - SNMP_MIB_ITEM("InAddrMasks", ICMP_MIB_INADDRMASKS), - SNMP_MIB_ITEM("InAddrMaskReps", ICMP_MIB_INADDRMASKREPS), - SNMP_MIB_ITEM("OutMsgs", ICMP_MIB_OUTMSGS), - SNMP_MIB_ITEM("OutErrors", ICMP_MIB_OUTERRORS), - SNMP_MIB_ITEM("OutDestUnreachs", ICMP_MIB_OUTDESTUNREACHS), - SNMP_MIB_ITEM("OutTimeExcds", ICMP_MIB_OUTTIMEEXCDS), - SNMP_MIB_ITEM("OutParmProbs", ICMP_MIB_OUTPARMPROBS), - SNMP_MIB_ITEM("OutSrcQuenchs", ICMP_MIB_OUTSRCQUENCHS), - SNMP_MIB_ITEM("OutRedirects", ICMP_MIB_OUTREDIRECTS), - SNMP_MIB_ITEM("OutEchos", ICMP_MIB_OUTECHOS), - SNMP_MIB_ITEM("OutEchoReps", ICMP_MIB_OUTECHOREPS), - SNMP_MIB_ITEM("OutTimestamps", ICMP_MIB_OUTTIMESTAMPS), - SNMP_MIB_ITEM("OutTimestampReps", ICMP_MIB_OUTTIMESTAMPREPS), - SNMP_MIB_ITEM("OutAddrMasks", ICMP_MIB_OUTADDRMASKS), - SNMP_MIB_ITEM("OutAddrMaskReps", ICMP_MIB_OUTADDRMASKREPS), +/* 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 struct snmp_mib snmp4_tcp_list[] = { +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), @@ -164,18 +168,22 @@ static struct snmp_mib snmp4_tcp_list[] = { 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 struct snmp_mib snmp4_udp_list[] = { +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_SENTINEL }; -static struct snmp_mib snmp4_net_list[] = { +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), @@ -216,7 +224,6 @@ static struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPPartialUndo", LINUX_MIB_TCPPARTIALUNDO), SNMP_MIB_ITEM("TCPDSACKUndo", LINUX_MIB_TCPDSACKUNDO), SNMP_MIB_ITEM("TCPLossUndo", LINUX_MIB_TCPLOSSUNDO), - SNMP_MIB_ITEM("TCPLoss", LINUX_MIB_TCPLOSS), SNMP_MIB_ITEM("TCPLostRetransmit", LINUX_MIB_TCPLOSTRETRANSMIT), SNMP_MIB_ITEM("TCPRenoFailures", LINUX_MIB_TCPRENOFAILURES), SNMP_MIB_ITEM("TCPSackFailures", LINUX_MIB_TCPSACKFAILURES), @@ -225,6 +232,8 @@ static struct snmp_mib snmp4_net_list[] = { 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), @@ -233,7 +242,6 @@ static struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPDSACKOfoSent", LINUX_MIB_TCPDSACKOFOSENT), SNMP_MIB_ITEM("TCPDSACKRecv", LINUX_MIB_TCPDSACKRECV), SNMP_MIB_ITEM("TCPDSACKOfoRecv", LINUX_MIB_TCPDSACKOFORECV), - SNMP_MIB_ITEM("TCPAbortOnSyn", LINUX_MIB_TCPABORTONSYN), SNMP_MIB_ITEM("TCPAbortOnData", LINUX_MIB_TCPABORTONDATA), SNMP_MIB_ITEM("TCPAbortOnClose", LINUX_MIB_TCPABORTONCLOSE), SNMP_MIB_ITEM("TCPAbortOnMemory", LINUX_MIB_TCPABORTONMEMORY), @@ -241,15 +249,123 @@ static struct snmp_mib snmp4_net_list[] = { 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_SENTINEL }; +static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals, + unsigned short *type, int count) +{ + int j; + + if (count) { + seq_printf(seq, "\nIcmpMsg:"); + for (j = 0; j < count; ++j) + seq_printf(seq, " %sType%u", + type[j] & 0x100 ? "Out" : "In", + type[j] & 0xff); + seq_printf(seq, "\nIcmpMsg:"); + for (j = 0; j < count; ++j) + seq_printf(seq, " %lu", vals[j]); + } +} + +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 +} + +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_printf(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))); +} + /* * 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"); @@ -257,22 +373,18 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_printf(seq, " %s", snmp4_ipstats_list[i].name); seq_printf(seq, "\nIp: %d %d", - ipv4_devconf.forwarding ? 1 : 2, sysctl_ip_default_ttl); + IPV4_DEVCONF_ALL(net, FORWARDING) ? 1 : 2, + 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, " %lu", - fold_field((void **) ip_statistics, - snmp4_ipstats_list[i].entry)); - - seq_puts(seq, "\nIcmp:"); - for (i = 0; snmp4_icmp_list[i].name != NULL; i++) - seq_printf(seq, " %s", snmp4_icmp_list[i].name); + seq_printf(seq, " %llu", + snmp_fold_field64(net->mib.ip_statistics, + snmp4_ipstats_list[i].entry, + offsetof(struct ipstats_mib, syncp))); - seq_puts(seq, "\nIcmp:"); - for (i = 0; snmp4_icmp_list[i].name != NULL; i++) - seq_printf(seq, " %lu", - fold_field((void **) icmp_statistics, - snmp4_icmp_list[i].entry)); + icmp_put(seq); /* RFC 2011 compatibility */ + icmpmsg_put(seq); seq_puts(seq, "\nTcp:"); for (i = 0; snmp4_tcp_list[i].name != NULL; i++) @@ -283,12 +395,12 @@ static int snmp_seq_show(struct seq_file *seq, void *v) /* MaxConn field is signed, RFC 2012 */ if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN) seq_printf(seq, " %ld", - fold_field((void **) tcp_statistics, - snmp4_tcp_list[i].entry)); + snmp_fold_field(net->mib.tcp_statistics, + snmp4_tcp_list[i].entry)); else seq_printf(seq, " %lu", - fold_field((void **) tcp_statistics, - snmp4_tcp_list[i].entry)); + snmp_fold_field(net->mib.tcp_statistics, + snmp4_tcp_list[i].entry)); } seq_puts(seq, "\nUdp:"); @@ -298,8 +410,19 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nUdp:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", - fold_field((void **) udp_statistics, - snmp4_udp_list[i].entry)); + 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; @@ -307,23 +430,26 @@ static int snmp_seq_show(struct seq_file *seq, void *v) static int snmp_seq_open(struct inode *inode, struct file *file) { - return single_open(file, snmp_seq_show, NULL); + return single_open_net(inode, file, snmp_seq_show); } -static struct file_operations snmp_seq_fops = { +static const struct file_operations snmp_seq_fops = { .owner = THIS_MODULE, .open = snmp_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .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++) @@ -332,8 +458,19 @@ static int netstat_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nTcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) seq_printf(seq, " %lu", - fold_field((void **) net_statistics, - snmp4_net_list[i].entry)); + 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; @@ -341,37 +478,51 @@ static int netstat_seq_show(struct seq_file *seq, void *v) static int netstat_seq_open(struct inode *inode, struct file *file) { - return single_open(file, netstat_seq_show, NULL); + return single_open_net(inode, file, netstat_seq_show); } -static struct file_operations netstat_seq_fops = { +static const struct file_operations netstat_seq_fops = { .owner = THIS_MODULE, .open = netstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .release = single_release_net, }; -int __init ip_misc_proc_init(void) +static __net_init int ip_proc_init_net(struct net *net) { - int rc = 0; - - if (!proc_net_fops_create("netstat", S_IRUGO, &netstat_seq_fops)) + 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_net_fops_create("snmp", S_IRUGO, &snmp_seq_fops)) + if (!proc_create("snmp", S_IRUGO, net->proc_net, &snmp_seq_fops)) goto out_snmp; - if (!proc_net_fops_create("sockstat", S_IRUGO, &sockstat_seq_fops)) - goto out_sockstat; -out: - return rc; -out_sockstat: - proc_net_remove("snmp"); + return 0; + out_snmp: - proc_net_remove("netstat"); + remove_proc_entry("netstat", net->proc_net); out_netstat: - rc = -ENOMEM; - goto out; + remove_proc_entry("sockstat", net->proc_net); +out_sockstat: + return -ENOMEM; +} + +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); +} + +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); } |