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[IPv6]: Exclude truncated packets from InHdrErrors statistics

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Incoming trancated packets are counted as not only InTruncatedPkts but
also InHdrErrors. They should be counted as InTruncatedPkts only.

Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mitsuru Chinen 2007-04-04 23:54:59 -07:00 committed by David S. Miller
parent 75559c167b
commit 60e5c16641
1 changed files with 4 additions and 4 deletions
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8
net/ipv6/ip6_input.c
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@ -108,8 +108,10 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
/* pkt_len may be zero if Jumbo payload option is present */ /* pkt_len may be zero if Jumbo payload option is present */
if (pkt_len || hdr->nexthdr != NEXTHDR_HOP) { if (pkt_len || hdr->nexthdr != NEXTHDR_HOP) {
if (pkt_len + sizeof(struct ipv6hdr) > skb->len) if (pkt_len + sizeof(struct ipv6hdr) > skb->len) {
goto truncated; IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
goto drop;
}
if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) { if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) {
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS); IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
goto drop; goto drop;
@ -128,8 +130,6 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
rcu_read_unlock(); rcu_read_unlock();
return NF_HOOK(PF_INET6,NF_IP6_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish); return NF_HOOK(PF_INET6,NF_IP6_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish);
truncated:
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
err: err:
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS); IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
drop: drop: