From: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Date: Mon, 30 Apr 2007 07:45:49 +0000 (-0700)
Subject: [IPV4] SNMP: Support InNoRoutes
X-Git-Tag: v2.6.22-rc1~1107^2~3
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e91a47ebb130b90790c7a8c625ade4dcea246842;p=linux-2.6

[IPV4] SNMP: Support InNoRoutes

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>
---

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 324e7e0fdb..63ab5230c6 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -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;
 		}
 	}