[IPV6]: Per-interface statistics support.

For IP MIB (RFC4293).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index efee7a6301a8..4158d386b0aa 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -161,6 +161,7 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
 
         if (idev) {
                 seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex);
+                snmp6_seq_show_item(seq, (void **)idev->stats.ipv6, snmp6_ipstats_list);
                 snmp6_seq_show_item(seq, (void **)idev->stats.icmpv6, snmp6_icmp6_list);
         } else {
                 snmp6_seq_show_item(seq, (void **)ipv6_statistics, snmp6_ipstats_list);
@@ -281,6 +282,9 @@ int snmp6_alloc_dev(struct inet6_dev *idev)
         if (!idev || !idev->dev)
                 return -EINVAL;
 
+        if (snmp6_mib_init((void **)idev->stats.ipv6, sizeof(struct ipstats_mib),
+                           __alignof__(struct ipstats_mib)) < 0)
+                goto err_ip;
         if (snmp6_mib_init((void **)idev->stats.icmpv6, sizeof(struct icmpv6_mib),
                            __alignof__(struct icmpv6_mib)) < 0)
                 goto err_icmp;
@@ -288,12 +292,15 @@ int snmp6_alloc_dev(struct inet6_dev *idev)
         return 0;
 
 err_icmp:
+        snmp6_mib_free((void **)idev->stats.ipv6);
+err_ip:
         return err;
 }
 
 int snmp6_free_dev(struct inet6_dev *idev)
 {
         snmp6_mib_free((void **)idev->stats.icmpv6);
+        snmp6_mib_free((void **)idev->stats.ipv6);
         return 0;
 }