[TCP] MIB: Add counters for discarded SACK blocks

[linux-2.6-omap-h63xx.git] / net / ipv4 / proc.c

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 37ab5802ca0881e46b3d79388ed44bd56c584b8b..986d1c83a0005598098814c4c11fdb6a59918326 100644 (file)
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -109,6 +109,17 @@ 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),
@@ -233,6 +244,9 @@ 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_SENTINEL
 };
 
@@ -249,7 +263,7 @@ 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",
@@ -338,6 +352,16 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
                           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;
 }