From: pablo@netfilter.org
To: netfilter-devel@vger.kernel.org
Cc: eric.dumazet@gmail.com
Subject: [PATCH 1/2] netfilter: nfnetlink_queue: use xor hash function to distribute instances
Date: Thu, 14 Mar 2013 17:03:17 +0100 [thread overview]
Message-ID: <1363276999-30144-1-git-send-email-pablo@netfilter.org> (raw)
From: Pablo Neira Ayuso <pablo@netfilter.org>
Thanks to Eric Dumazet for suggesting this during the NFWS.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nfnetlink_queue_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index 3158d87..4512658 100644
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -73,7 +73,7 @@ static struct hlist_head instance_table[INSTANCE_BUCKETS] __read_mostly;
static inline u_int8_t instance_hashfn(u_int16_t queue_num)
{
- return ((queue_num >> 8) | queue_num) % INSTANCE_BUCKETS;
+ return ((queue_num >> 8) ^ queue_num) % INSTANCE_BUCKETS;
}
static struct nfqnl_instance *
--
1.7.10.4
next reply other threads:[~2013-03-14 16:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 16:03 pablo [this message]
2013-03-14 16:03 ` [PATCH 2/2] netfilter: nfnetlink_queue: fix incorrect initialization of copy range field pablo
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