This patch adds MIB counter value about IPSTATS_MIB_REASMFAILS
if mem member of netns_frags exceeds high thresh, just like IPv4/v6 stack.
Signed-off-by: Shan Wei <shanwei@xxxxxxxxxxxxxx>
---
net/ipv6/netfilter/nf_conntrack_reasm.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index fc97a68..501aca7 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -200,9 +200,13 @@ static __inline__ void fq_kill(struct nf_ct_frag6_queue *fq)
inet_frag_kill(&fq->q, &nf_frags);
}
-static void nf_ct_frag6_evictor(struct net *net)
+static void nf_ct_frag6_evictor(struct net *net, struct inet6_dev *idev)
{
- inet_frag_evictor(&net->ipv6.frags, &nf_frags);
+ int evicted;
+
+ evicted = inet_frag_evictor(&net->ipv6.frags, &nf_frags);
+ if (evicted)
+ IP6_ADD_STATS_BH(net, idev, IPSTATS_MIB_REASMFAILS, evicted);
}
static void nf_ct_frag6_expire(unsigned long data)
@@ -712,7 +716,7 @@ struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb, u32 user)
fhdr = (struct frag_hdr *)skb_transport_header(clone);
if (atomic_read(&net->ipv6.frags.mem) > net->ipv6.frags.high_thresh)
- nf_ct_frag6_evictor(net);
+ nf_ct_frag6_evictor(net, idev);
fq = fq_find(net, fhdr->identification, user, &hdr->saddr, &hdr->daddr);
if (fq == NULL) {
--
1.6.3.3
--
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