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 4/9] ah4: Use the IPsec protocol multiplexer API
Date: Thu, 5 Dec 2013 13:02:41 +0100 [thread overview]
Message-ID: <20131205120241.GA31491@secunet.com> (raw)
In-Reply-To: <20131205120028.GW31491@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
next prev parent reply other threads:[~2013-12-05 12:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-05 12:00 [PATCH RFC 0/9] vti4: prepare namespace and interfamily support Steffen Klassert
2013-12-05 12:01 ` [PATCH RFC 1/9] xfrm4: Add IPsec protocol multiplexer Steffen Klassert
2013-12-05 12:01 ` [PATCH RFC 2/9] esp4: Use the IPsec protocol multiplexer API Steffen Klassert
2013-12-05 12:02 ` [PATCH RFC 3/9] esp4: Export esp4_err Steffen Klassert
2013-12-05 12:02 ` Steffen Klassert [this message]
2013-12-05 12:03 ` [PATCH RFC 5/9] ah4: Export ah4_err Steffen Klassert
2013-12-05 12:03 ` [PATCH RFC 6/9] xfrm: Add xfrm_tunnel_skb_cb to the skb common buffer Steffen Klassert
2013-12-05 12:04 ` [PATCH RFC 7/9] ip_tunnel: Make vti work with i_key set Steffen Klassert
2013-12-05 12:05 ` [PATCH RFC 8/9] vti: Update the ipv4 side to use it's own receive hook Steffen Klassert
2013-12-12 16:26 ` Nicolas Dichtel
2013-12-13 9:56 ` Steffen Klassert
2013-12-05 12:05 ` [PATCH RFC 9/9] xfrm4: Remove xfrm_tunnel_notifier Steffen Klassert
2013-12-05 17:27 ` [PATCH RFC 0/9] vti4: prepare namespace and interfamily support Stephen Hemminger
2013-12-06 20:20 ` David Miller
2013-12-09 9:17 ` Christophe Gouault
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