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authorDietmar Eggemann <dietmar.eggemann@gmx.de>2005-06-28 13:06:23 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-28 13:06:23 -0700
commit2c2910a401f1ce2ac9136171e7522e731e1a2a8c (patch)
treef7d9bc402481b402539f598cfa20646ec7561efe /net/ipv4/ip_input.c
parentae9cda5d65f3d8a495241cbdcc2d56f721c83cc3 (diff)
downloadop-kernel-dev-2c2910a401f1ce2ac9136171e7522e731e1a2a8c.zip
op-kernel-dev-2c2910a401f1ce2ac9136171e7522e731e1a2a8c.tar.gz
[IPV4]: Snmpv2 Mib IP counter ipInAddrErrors support
I followed Thomas' proposal to see every martian destination as a case where the ipInAddrErrors counter has to be incremented. There are two advantages by doing so: (1) The relation between the ipInReceive counter and all the other ipInXXX counters is more accurate in the case the RTN_UNICAST code check fails and (2) it makes the code in ip_route_input_slow easier. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_input.c')
-rw-r--r--net/ipv4/ip_input.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index af2ec88..c703528 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -283,14 +283,18 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
struct iphdr *iph = skb->nh.iph;
+ int err;
/*
* Initialise the virtual path cache for the packet. It describes
* how the packet travels inside Linux networking.
*/
if (skb->dst == NULL) {
- if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))
+ if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) {
+ if (err == -EHOSTUNREACH)
+ IP_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS);
goto drop;
+ }
}
#ifdef CONFIG_NET_CLS_ROUTE
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