From 1db7a748dfd50d7615913730763c024444900030 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 16 Mar 2009 15:18:50 +0100 Subject: [PATCH] netfilter: conntrack: increase drop stats if sequence adjustment fails This patch increases the statistics of packets drop if the sequence adjustment fails in ipv4_confirm(). Signed-off-by: Pablo Neira Ayuso Signed-off-by: Patrick McHardy --- net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index 4beb04f..8b681f2 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -120,8 +120,10 @@ static unsigned int ipv4_confirm(unsigned int hooknum, typeof(nf_nat_seq_adjust_hook) seq_adjust; seq_adjust = rcu_dereference(nf_nat_seq_adjust_hook); - if (!seq_adjust || !seq_adjust(skb, ct, ctinfo)) + if (!seq_adjust || !seq_adjust(skb, ct, ctinfo)) { + NF_CT_STAT_INC_ATOMIC(nf_ct_net(ct), drop); return NF_DROP; + } } out: /* We've seen it coming out the other side: confirm it */ -- 1.8.2.3