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From: Steffen Klassert <steffen.klassert@secunet.com>
To: <netdev@vger.kernel.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>,
	Christophe Gouault <christophe.gouault@6wind.com>
Subject: [PATCH RFC v2 03/12] esp6: Use the IPsec protocol multiplexer API
Date: Wed, 5 Mar 2014 13:41:07 +0100	[thread overview]
Message-ID: <1394023276-2591-4-git-send-email-steffen.klassert@secunet.com> (raw)
In-Reply-To: <1394023276-2591-1-git-send-email-steffen.klassert@secunet.com>

Switch esp6 to use the new IPsec protocol multiplexer.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/ipv6/esp6.c |   24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 6eef8a7..ec6971f 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -421,7 +421,7 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu)
 		 net_adj) & ~(blksize - 1)) + net_adj - 2;
 }
 
-static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+static int esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		     u8 type, u8 code, int offset, __be32 info)
 {
 	struct net *net = dev_net(skb->dev);
@@ -431,18 +431,20 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 	if (type != ICMPV6_PKT_TOOBIG &&
 	    type != NDISC_REDIRECT)
-		return;
+		return 0;
 
 	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
 			      esph->spi, IPPROTO_ESP, AF_INET6);
 	if (!x)
-		return;
+		return 0;
 
 	if (type == NDISC_REDIRECT)
 		ip6_redirect(skb, net, skb->dev->ifindex, 0);
 	else
 		ip6_update_pmtu(skb, net, info, 0, 0);
 	xfrm_state_put(x);
+
+	return 0;
 }
 
 static void esp6_destroy(struct xfrm_state *x)
@@ -614,6 +616,11 @@ error:
 	return err;
 }
 
+static int esp6_rcv_cb(struct sk_buff *skb, int err)
+{
+	return 0;
+}
+
 static const struct xfrm_type esp6_type =
 {
 	.description	= "ESP6",
@@ -628,10 +635,11 @@ static const struct xfrm_type esp6_type =
 	.hdr_offset	= xfrm6_find_1stfragopt,
 };
 
-static const struct inet6_protocol esp6_protocol = {
-	.handler 	=	xfrm6_rcv,
+static struct xfrm6_protocol esp6_protocol = {
+	.handler	=	xfrm6_rcv,
+	.cb_handler	=	esp6_rcv_cb,
 	.err_handler	=	esp6_err,
-	.flags		=	INET6_PROTO_NOPOLICY,
+	.priority	=	0,
 };
 
 static int __init esp6_init(void)
@@ -640,7 +648,7 @@ static int __init esp6_init(void)
 		pr_info("%s: can't add xfrm type\n", __func__);
 		return -EAGAIN;
 	}
-	if (inet6_add_protocol(&esp6_protocol, IPPROTO_ESP) < 0) {
+	if (xfrm6_protocol_register(&esp6_protocol, IPPROTO_ESP) < 0) {
 		pr_info("%s: can't add protocol\n", __func__);
 		xfrm_unregister_type(&esp6_type, AF_INET6);
 		return -EAGAIN;
@@ -651,7 +659,7 @@ static int __init esp6_init(void)
 
 static void __exit esp6_fini(void)
 {
-	if (inet6_del_protocol(&esp6_protocol, IPPROTO_ESP) < 0)
+	if (xfrm6_protocol_deregister(&esp6_protocol, IPPROTO_ESP) < 0)
 		pr_info("%s: can't remove protocol\n", __func__);
 	if (xfrm_unregister_type(&esp6_type, AF_INET6) < 0)
 		pr_info("%s: can't remove xfrm type\n", __func__);
-- 
1.7.9.5

  parent reply	other threads:[~2014-03-05 12:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-05 12:41 [PATCH RFC v2 0/12] vti6: prepare namespace and interfamily support Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 01/12] xfrm: Introduce xfrm_input_afinfo to access the the callbacks properly Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 02/12] xfrm6: Add IPsec protocol multiplexer Steffen Klassert
2014-03-05 12:41 ` Steffen Klassert [this message]
2014-03-05 14:52   ` [PATCH RFC v2 03/12] esp6: Use the IPsec protocol multiplexer API Sergei Shtylyov
2014-03-05 12:41 ` [PATCH RFC v2 04/12] ah6: " Steffen Klassert
2014-03-05 14:54   ` Sergei Shtylyov
2014-03-05 12:41 ` [PATCH RFC v2 05/12] ipcomp6: " Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 06/12] vti6: Remove dst_entry caching Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 07/12] vti6: Remove caching of flow informations Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 08/12] vti6: Update the ipv6 side to use its own receive hook Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 09/12] xfrm6: Remove xfrm_tunnel_notifier Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 10/12] vti6: Support inter address family tunneling Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 11/12] vti6: Check the tunnel endpoints of the xfrm state and the vti interface Steffen Klassert
2014-03-05 12:41 ` [PATCH RFC v2 12/12] vti6: Enable namespace changing Steffen Klassert
2014-03-14  9:54 ` [PATCH RFC v2 0/12] vti6: prepare namespace and interfamily support Steffen Klassert

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