]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - net/ipv4/proc.c
[DCCP]: Wait for CCID
[linux-2.6-omap-h63xx.git] / net / ipv4 / proc.c
index 97952d54ae84b06d421f9db9af4e2951eb373fc2..9dee70e1cf0d2a7de20f9fc4ff1d9214488ba7ae 100644 (file)
@@ -34,6 +34,7 @@
  *             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>
@@ -87,19 +88,6 @@ static const struct file_operations sockstat_seq_fops = {
        .release = single_release,
 };
 
-static unsigned long
-fold_field(void *mib[], int offt)
-{
-       unsigned long res = 0;
-       int i;
-
-       for_each_possible_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 const struct snmp_mib snmp4_ipstats_list[] = {
        SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INRECEIVES),
@@ -122,36 +110,44 @@ static const struct snmp_mib snmp4_ipstats_list[] = {
        SNMP_MIB_SENTINEL
 };
 
+/* Following RFC4293 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_SENTINEL
+};
+
 static const 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),
        SNMP_MIB_SENTINEL
 };
 
+static struct {
+       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 },
+       { 0, 0 }
+};
+
+
 static const struct snmp_mib snmp4_tcp_list[] = {
        SNMP_MIB_ITEM("RtoAlgorithm", TCP_MIB_RTOALGORITHM),
        SNMP_MIB_ITEM("RtoMin", TCP_MIB_RTOMIN),
@@ -246,9 +242,79 @@ static const 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_SENTINEL
 };
 
+static void icmpmsg_put(struct seq_file *seq)
+{
+#define PERLINE        16
+
+       int j, i, count;
+       static int out[PERLINE];
+
+       count = 0;
+       for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
+
+               if (snmp_fold_field((void **) icmpmsg_statistics, i))
+                       out[count++] = i;
+               if (count < PERLINE)
+                       continue;
+
+               seq_printf(seq, "\nIcmpMsg:");
+               for (j = 0; j < PERLINE; ++j)
+                       seq_printf(seq, " %sType%u", i & 0x100 ? "Out" : "In",
+                                       i & 0xff);
+               seq_printf(seq, "\nIcmpMsg: ");
+               for (j = 0; j < PERLINE; ++j)
+                       seq_printf(seq, " %lu",
+                               snmp_fold_field((void **) icmpmsg_statistics,
+                               out[j]));
+               seq_putc(seq, '\n');
+       }
+       if (count) {
+               seq_printf(seq, "\nIcmpMsg:");
+               for (j = 0; j < count; ++j)
+                       seq_printf(seq, " %sType%u", out[j] & 0x100 ? "Out" :
+                               "In", out[j] & 0xff);
+               seq_printf(seq, "\nIcmpMsg:");
+               for (j = 0; j < count; ++j)
+                       seq_printf(seq, " %lu", snmp_fold_field((void **)
+                               icmpmsg_statistics, out[j]));
+       }
+
+#undef PERLINE
+}
+
+static void icmp_put(struct seq_file *seq)
+{
+       int i;
+
+       seq_puts(seq, "\nIcmp: InMsgs InErrors");
+       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",
+               snmp_fold_field((void **) icmp_statistics, ICMP_MIB_INMSGS),
+               snmp_fold_field((void **) icmp_statistics, ICMP_MIB_INERRORS));
+       for (i=0; icmpmibmap[i].name != NULL; i++)
+               seq_printf(seq, " %lu",
+                       snmp_fold_field((void **) icmpmsg_statistics,
+                               icmpmibmap[i].index));
+       seq_printf(seq, " %lu %lu",
+               snmp_fold_field((void **) icmp_statistics, ICMP_MIB_OUTMSGS),
+               snmp_fold_field((void **) icmp_statistics, ICMP_MIB_OUTERRORS));
+       for (i=0; icmpmibmap[i].name != NULL; i++)
+               seq_printf(seq, " %lu",
+                       snmp_fold_field((void **) icmpmsg_statistics,
+                               icmpmibmap[i].index));
+}
+
 /*
  *     Called from the PROCfs module. This outputs /proc/net/snmp.
  */
@@ -262,22 +328,15 @@ 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(FORWARDING) ? 1 : 2, sysctl_ip_default_ttl);
 
        for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
                seq_printf(seq, " %lu",
-                          fold_field((void **) ip_statistics,
-                                     snmp4_ipstats_list[i].entry));
+                          snmp_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_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++)
@@ -288,12 +347,12 @@ 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((void **)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((void **)tcp_statistics,
+                                                  snmp4_tcp_list[i].entry));
        }
 
        seq_puts(seq, "\nUdp:");
@@ -303,8 +362,8 @@ 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((void **)udp_statistics,
+                                          snmp4_udp_list[i].entry));
 
        /* the UDP and UDP-Lite MIBs are the same */
        seq_puts(seq, "\nUdpLite:");
@@ -314,8 +373,8 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
        seq_puts(seq, "\nUdpLite:");
        for (i = 0; snmp4_udp_list[i].name != NULL; i++)
                seq_printf(seq, " %lu",
-                          fold_field((void **) udplite_statistics,
-                                     snmp4_udp_list[i].entry)     );
+                          snmp_fold_field((void **)udplite_statistics,
+                                          snmp4_udp_list[i].entry));
 
        seq_putc(seq, '\n');
        return 0;
@@ -334,6 +393,8 @@ static const struct file_operations snmp_seq_fops = {
        .release = single_release,
 };
 
+
+
 /*
  *     Output /proc/net/netstat
  */
@@ -348,8 +409,18 @@ 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((void **)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, " %lu",
+                          snmp_fold_field((void **)ip_statistics,
+                                          snmp4_ipextstats_list[i].entry));
 
        seq_putc(seq, '\n');
        return 0;
@@ -372,47 +443,22 @@ int __init ip_misc_proc_init(void)
 {
        int rc = 0;
 
-       if (!proc_net_fops_create("netstat", S_IRUGO, &netstat_seq_fops))
+       if (!proc_net_fops_create(&init_net, "netstat", S_IRUGO, &netstat_seq_fops))
                goto out_netstat;
 
-       if (!proc_net_fops_create("snmp", S_IRUGO, &snmp_seq_fops))
+       if (!proc_net_fops_create(&init_net, "snmp", S_IRUGO, &snmp_seq_fops))
                goto out_snmp;
 
-       if (!proc_net_fops_create("sockstat", S_IRUGO, &sockstat_seq_fops))
+       if (!proc_net_fops_create(&init_net, "sockstat", S_IRUGO, &sockstat_seq_fops))
                goto out_sockstat;
 out:
        return rc;
 out_sockstat:
-       proc_net_remove("snmp");
+       proc_net_remove(&init_net, "snmp");
 out_snmp:
-       proc_net_remove("netstat");
+       proc_net_remove(&init_net, "netstat");
 out_netstat:
        rc = -ENOMEM;
        goto out;
 }
 
-int snmp_mib_init(void *ptr[2], size_t mibsize, size_t mibalign)
-{
-       BUG_ON(ptr == NULL);
-       ptr[0] = __alloc_percpu(mibsize);
-       if (!ptr[0])
-               goto err0;
-       ptr[1] = __alloc_percpu(mibsize);
-       if (!ptr[1])
-               goto err1;
-       return 0;
-err1:
-       free_percpu(ptr[0]);
-       ptr[0] = NULL;
-err0:
-       return -ENOMEM;
-}
-
-void snmp_mib_free(void *ptr[2])
-{
-       BUG_ON(ptr == NULL);
-       free_percpu(ptr[0]);
-       free_percpu(ptr[1]);
-       ptr[0] = ptr[1] = NULL;
-}
-