netdev - [PATCH 02/31] ip6tables RAW in netns for real

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Message-ID: <20080721163157.GF13264@martell.zuzino.mipt.ru>
Date:	Mon, 21 Jul 2008 20:31:57 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	kaber@...sh.net
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	xemul@...nvz.org, den@...nvz.org, ebiederm@...ssion.com,
	dlezcano@...ibm.com, benjamin.thery@...l.net
Subject: [PATCH 02/31] ip6tables RAW in netns for real

PREROUTING -- grab netns from in device,
OUTPUT -- from out device.

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 net/ipv6/netfilter/ip6table_raw.c |   20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -45,25 +45,37 @@ static struct xt_table packet_raw = {
 
 /* The work comes in here from netfilter.c. */
 static unsigned int
-ip6t_hook(unsigned int hook,
+ip6t_pre_routing_hook(unsigned int hook,
 	 struct sk_buff *skb,
 	 const struct net_device *in,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_raw);
+	return ip6t_do_table(skb, hook, in, out,
+			     dev_net(in)->ipv6.ip6table_raw);
+}
+
+static unsigned int
+ip6t_local_out_hook(unsigned int hook,
+	 struct sk_buff *skb,
+	 const struct net_device *in,
+	 const struct net_device *out,
+	 int (*okfn)(struct sk_buff *))
+{
+	return ip6t_do_table(skb, hook, in, out,
+			     dev_net(out)->ipv6.ip6table_raw);
 }
 
 static struct nf_hook_ops ip6t_ops[] __read_mostly = {
 	{
-	  .hook = ip6t_hook,
+	  .hook = ip6t_pre_routing_hook,
 	  .pf = PF_INET6,
 	  .hooknum = NF_INET_PRE_ROUTING,
 	  .priority = NF_IP6_PRI_FIRST,
 	  .owner = THIS_MODULE,
 	},
 	{
-	  .hook = ip6t_hook,
+	  .hook = ip6t_local_out_hook,
 	  .pf = PF_INET6,
 	  .hooknum = NF_INET_LOCAL_OUT,
 	  .priority = NF_IP6_PRI_FIRST,
-- 
1.5.4.5


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