netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Steffen Klassert <steffen.klassert@secunet.com>
To: netdev@vger.kernel.org
Cc: Christophe Gouault <christophe.gouault@6wind.com>,
	Saurabh Mohan <saurabh.mohan@vyatta.com>
Subject: [PATCH RFC v2 04/13] ah4: Use the IPsec protocol multiplexer API
Date: Mon, 16 Dec 2013 10:21:06 +0100	[thread overview]
Message-ID: <20131216092105.GU31491@secunet.com> (raw)
In-Reply-To: <20131216091835.GQ31491@secunet.com>

Switch ah4 to use the new IPsec protocol multiplexer.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/ipv4/ah4.c |   24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 7179026..ea30e4e 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -397,7 +397,7 @@ out:
 	return err;
 }
 
-static void ah4_err(struct sk_buff *skb, u32 info)
+static int ah4_err(struct sk_buff *skb, u32 info)
 {
 	struct net *net = dev_net(skb->dev);
 	const struct iphdr *iph = (const struct iphdr *)skb->data;
@@ -407,23 +407,25 @@ static void ah4_err(struct sk_buff *skb, u32 info)
 	switch (icmp_hdr(skb)->type) {
 	case ICMP_DEST_UNREACH:
 		if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED)
-			return;
+			return 0;
 	case ICMP_REDIRECT:
 		break;
 	default:
-		return;
+		return 0;
 	}
 
 	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
 			      ah->spi, IPPROTO_AH, AF_INET);
 	if (!x)
-		return;
+		return 0;
 
 	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
 		ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_AH, 0);
 	else
 		ipv4_redirect(skb, net, 0, 0, IPPROTO_AH, 0);
 	xfrm_state_put(x);
+
+	return 0;
 }
 
 static int ah_init_state(struct xfrm_state *x)
@@ -505,6 +507,10 @@ static void ah_destroy(struct xfrm_state *x)
 	kfree(ahp);
 }
 
+static int ah4_rcv_cb(struct sk_buff *skb, int err)
+{
+	return 0;
+}
 
 static const struct xfrm_type ah_type =
 {
@@ -518,11 +524,11 @@ static const struct xfrm_type ah_type =
 	.output		= ah_output
 };
 
-static const struct net_protocol ah4_protocol = {
+static struct xfrm4_protocol ah4_protocol = {
 	.handler	=	xfrm4_rcv,
+	.cb_handler	=	ah4_rcv_cb,
 	.err_handler	=	ah4_err,
-	.no_policy	=	1,
-	.netns_ok	=	1,
+	.priority	=	0,
 };
 
 static int __init ah4_init(void)
@@ -531,7 +537,7 @@ static int __init ah4_init(void)
 		pr_info("%s: can't add xfrm type\n", __func__);
 		return -EAGAIN;
 	}
-	if (inet_add_protocol(&ah4_protocol, IPPROTO_AH) < 0) {
+	if (xfrm4_protocol_register(&ah4_protocol, IPPROTO_AH) < 0) {
 		pr_info("%s: can't add protocol\n", __func__);
 		xfrm_unregister_type(&ah_type, AF_INET);
 		return -EAGAIN;
@@ -541,7 +547,7 @@ static int __init ah4_init(void)
 
 static void __exit ah4_fini(void)
 {
-	if (inet_del_protocol(&ah4_protocol, IPPROTO_AH) < 0)
+	if (xfrm4_protocol_deregister(&ah4_protocol, IPPROTO_AH) < 0)
 		pr_info("%s: can't remove protocol\n", __func__);
 	if (xfrm_unregister_type(&ah_type, AF_INET) < 0)
 		pr_info("%s: can't remove xfrm type\n", __func__);
-- 
1.7.9.5

  parent reply	other threads:[~2013-12-16  9:21 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-16  9:18 [PATCH RFC v2 0/13] vti4: prepare namespace and interfamily support Steffen Klassert
2013-12-16  9:19 ` [PATCH RFC v2 01/13] xfrm4: Add IPsec protocol multiplexer Steffen Klassert
2013-12-16  9:19 ` [PATCH RFC v2 02/13] esp4: Use the IPsec protocol multiplexer API Steffen Klassert
2013-12-16  9:20 ` [PATCH RFC v2 03/13] esp4: Export esp4_err Steffen Klassert
2013-12-16  9:21 ` Steffen Klassert [this message]
2013-12-16  9:21 ` [PATCH RFC v2 05/13] ah4: Export ah4_err Steffen Klassert
2013-12-16  9:22 ` [PATCH RFC v2 06/13] ipcomp4: Use the IPsec protocol multiplexer API Steffen Klassert
2013-12-16  9:23 ` [PATCH RFC v2 07/13] ipcomp4: Export ipcomp4_err Steffen Klassert
2013-12-16  9:23 ` [PATCH RFC v2 08/13] xfrm: Add xfrm_tunnel_skb_cb to the skb common buffer Steffen Klassert
2013-12-16 12:54   ` Nicolas Dichtel
2013-12-16 13:02     ` Steffen Klassert
2013-12-16  9:24 ` [PATCH RFC v2 09/13] ip_tunnel: Make vti work with i_key set Steffen Klassert
2013-12-16  9:25 ` [PATCH RFC v2 10/13] vti: Update the ipv4 side to use it's own receive hook Steffen Klassert
2013-12-16  9:26 ` [PATCH RFC v2 11/13] xfrm4: Remove xfrm_tunnel_notifier Steffen Klassert
2013-12-16  9:27 ` [PATCH RFC v2 12/13] vti4: Use the on xfrm_lookup returned dst_entry directly Steffen Klassert
2013-12-16  9:28 ` [PATCH RFC v2 13/13] vti4: Support inter address family tunneling Steffen Klassert
2014-01-07 16:11 ` [PATCH RFC v2 0/13] vti4: prepare namespace and interfamily support Christophe Gouault
2014-01-07 19:45   ` Christophe Gouault
2014-01-14  7:51   ` Steffen Klassert

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20131216092105.GU31491@secunet.com \
    --to=steffen.klassert@secunet.com \
    --cc=christophe.gouault@6wind.com \
    --cc=netdev@vger.kernel.org \
    --cc=saurabh.mohan@vyatta.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).