From: pablo@netfilter.org
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 06/12] netfilter: nfnetlink_queue: use xor hash function to distribute instances
Date: Mon, 25 Mar 2013 13:15:46 +0100 [thread overview]
Message-ID: <1364213752-3934-7-git-send-email-pablo@netfilter.org> (raw)
In-Reply-To: <1364213752-3934-1-git-send-email-pablo@netfilter.org>
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 858fd52..350c50f 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 prev parent reply other threads:[~2013-03-25 12:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-25 12:15 [PATCH 00/12] Netfilter updates for net-next pablo
2013-03-25 12:15 ` [PATCH 01/12] netfilter: ip6t_NPT: Use csum_partial() pablo
2013-03-25 12:15 ` [PATCH 02/12] ipv4: netfilter: use PTR_RET instead of IS_ERR + PTR_ERR pablo
2013-03-25 12:15 ` [PATCH 03/12] bridge: " pablo
2013-03-25 12:15 ` [PATCH 04/12] netfilter: nf_ct_ipv6: use ipv6_iface_scope_id in conntrack to return scope id pablo
2013-03-25 12:15 ` [PATCH 05/12] netfilter: ebt_ulog: remove unnecessary spin lock protection pablo
2013-03-25 12:15 ` pablo [this message]
2013-03-25 12:15 ` [PATCH 07/12] ipvs: fix hashing in ip_vs_svc_hashkey pablo
2013-03-25 12:15 ` [PATCH 08/12] ipvs: fix some sparse warnings pablo
2013-03-25 12:15 ` [PATCH 09/12] netfilter: ctnetlink: allow to dump expectation per master conntrack pablo
2013-03-25 12:15 ` [PATCH 10/12] netfilter: nfnetlink_queue: zero copy support pablo
2013-03-25 12:15 ` [PATCH 11/12] netfilter: nf_conntrack: add include to fix sparse warning pablo
2013-03-25 12:15 ` [PATCH 12/12] netfilter: nf_conntrack: speed up module removal path if netns in use pablo
2013-03-25 16:13 ` [PATCH 00/12] Netfilter updates for net-next David Miller
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