[IPV6]: Per-interface statistics support.

For IP MIB (RFC4293).

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

1 files changed, 13 insertions, 7 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 9055979083b6..c006d02be8bc 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1465,7 +1465,7 @@ static void mld_sendpack(struct sk_buff *skb)
         struct inet6_dev *idev = in6_dev_get(skb->dev);
         int err;
 
-        IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS);
+        IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
         payload_len = skb->tail - (unsigned char *)skb->nh.ipv6h -
                 sizeof(struct ipv6hdr);
         mldlen = skb->tail - skb->h.raw;
@@ -1477,9 +1477,9 @@ static void mld_sendpack(struct sk_buff *skb)
                 mld_dev_queue_xmit);
         if (!err) {
                 ICMP6_INC_STATS(idev,ICMP6_MIB_OUTMSGS);
-                IP6_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS);
+                IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
         } else
-                IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
+                IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
 
         if (likely(idev != NULL))
                 in6_dev_put(idev);
@@ -1763,7 +1763,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                      IPV6_TLV_ROUTERALERT, 2, 0, 0,
                      IPV6_TLV_PADN, 0 };
 
-        IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS);
+        rcu_read_lock();
+        IP6_INC_STATS(__in6_dev_get(dev),
+                      IPSTATS_MIB_OUTREQUESTS);
+        rcu_read_unlock();
         snd_addr = addr;
         if (type == ICMPV6_MGM_REDUCTION) {
                 snd_addr = &all_routers;
@@ -1777,7 +1780,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
         skb = sock_alloc_send_skb(sk, LL_RESERVED_SPACE(dev) + full_len, 1, &err);
 
         if (skb == NULL) {
-                IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
+                rcu_read_lock();
+                IP6_INC_STATS(__in6_dev_get(dev),
+                              IPSTATS_MIB_OUTDISCARDS);
+                rcu_read_unlock();
                 return;
         }
 
@@ -1816,9 +1822,9 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                 else
                         ICMP6_INC_STATS(idev, ICMP6_MIB_OUTGROUPMEMBRESPONSES);
                 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTMSGS);
-                IP6_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS);
+                IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
         } else
-                IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
+                IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
 
         if (likely(idev != NULL))
                 in6_dev_put(idev);