[IPV4] SNMP: Support InNoRoutes
authorMitsuru Chinen <mitch@linux.vnet.ibm.com>
Mon, 30 Apr 2007 07:45:49 +0000 (00:45 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Mon, 30 Apr 2007 07:58:22 +0000 (00:58 -0700)
An IP datagram which is being discarded because of no routes in the
forwarding path should be counted as InNoRoutes.

Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ip_input.c

index 324e7e0fdb2aa506f9dcb1c80afb374dae7cab0d..63ab5230c6117ba4315c599b816105f395416ecd 100644 (file)
@@ -340,6 +340,8 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
                if (unlikely(err)) {
                        if (err == -EHOSTUNREACH)
                                IP_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS);
+                       else if (err == -ENETUNREACH)
+                               IP_INC_STATS_BH(IPSTATS_MIB_INNOROUTES);
                        goto drop;
                }
        }