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Commit d831666e authored by Mitsuru Chinen's avatar Mitsuru Chinen Committed by David S. Miller
Browse files

[IPV4] SNMP: Display new statistics at /proc/net/netstat 



This displays the statistics specified in the updated IP-MIB RFC
(RFC4293) in /proc/net/netstat. The reason why these are not displayed
in /proc/net/snmp is that some existing utilities are developed under
the assumption which ipstat items in /proc/net/snmp is unchanged.

Signed-off-by: default avatarMitsuru Chinen <mitch@linux.vnet.ibm.com>
Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ae7bf20a

net/ipv4/proc.c

+21 −0
Original line number Diff line number Diff line
@@ -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),
@@ -338,6 +349,16 @@ 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;

}