netdev - [PATCHv2 RFC 23/25] IPVS: Activate IPv6 Netfilter hooks

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Message-Id: <1220273782-19901-24-git-send-email-juliusv@google.com>
Date:	Mon,  1 Sep 2008 14:56:20 +0200
From:	Julius Volz <juliusv@...gle.com>
To:	netdev@...r.kernel.org, lvs-devel@...r.kernel.org
Cc:	horms@...ge.net.au, kaber@...sh.net, vbusam@...gle.com,
	Julius Volz <juliusv@...gle.com>
Subject: [PATCHv2 RFC 23/25] IPVS: Activate IPv6 Netfilter hooks

Register the previously defined or adapted netfilter hook functions for
IPv6 as PF_INET6 hooks.

Signed-off-by: Julius Volz <juliusv@...gle.com>

 1 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index 141454d..6f5d534 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -1410,6 +1410,43 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
 		.hooknum        = NF_INET_POST_ROUTING,
 		.priority       = NF_IP_PRI_NAT_SRC-1,
 	},
+#ifdef CONFIG_IP_VS_IPV6
+	/* After packet filtering, forward packet through VS/DR, VS/TUN,
+	 * or VS/NAT(change destination), so that filtering rules can be
+	 * applied to IPVS. */
+	{
+		.hook		= ip_vs_in,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum        = NF_INET_LOCAL_IN,
+		.priority       = 100,
+	},
+	/* After packet filtering, change source only for VS/NAT */
+	{
+		.hook		= ip_vs_out,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum        = NF_INET_FORWARD,
+		.priority       = 100,
+	},
+	/* After packet filtering (but before ip_vs_out_icmp), catch icmp
+	 * destined for 0.0.0.0/0, which is for incoming IPVS connections */
+	{
+		.hook		= ip_vs_forward_icmp_v6,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum        = NF_INET_FORWARD,
+		.priority       = 99,
+	},
+	/* Before the netfilter connection tracking, exit from POST_ROUTING */
+	{
+		.hook		= ip_vs_post_routing,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum        = NF_INET_POST_ROUTING,
+		.priority       = NF_IP6_PRI_NAT_SRC-1,
+	},
+#endif
 };
 
 
-- 
1.5.4.5

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