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ah6: Use the IPsec protocol multiplexer API

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Switch ah6 to use the new IPsec protocol multiplexer.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2014-03-14 07:28:07 +01:00
parent d5860c5ccf
commit e924d2d687
1 changed files with 16 additions and 8 deletions
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22
net/ipv6/ah6.c
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@ -643,7 +643,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
return err;
}
static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
static int ah6_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);
@ -653,17 +653,19 @@ static void ah6_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, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, 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 int ah6_init_state(struct xfrm_state *x)
@ -748,6 +750,11 @@ static void ah6_destroy(struct xfrm_state *x)
kfree(ahp);
}
static int ah6_rcv_cb(struct sk_buff *skb, int err)
{
return 0;
}
static const struct xfrm_type ah6_type =
{
.description = "AH6",
@ -761,10 +768,11 @@ static const struct xfrm_type ah6_type =
.hdr_offset = xfrm6_find_1stfragopt,
};
static const struct inet6_protocol ah6_protocol = {
static struct xfrm6_protocol ah6_protocol = {
.handler = xfrm6_rcv,
.cb_handler = ah6_rcv_cb,
.err_handler = ah6_err,
.flags = INET6_PROTO_NOPOLICY,
.priority = 0,
};
static int __init ah6_init(void)
@ -774,7 +782,7 @@ static int __init ah6_init(void)
return -EAGAIN;
}
if (inet6_add_protocol(&ah6_protocol, IPPROTO_AH) < 0) {
if (xfrm6_protocol_register(&ah6_protocol, IPPROTO_AH) < 0) {
pr_info("%s: can't add protocol\n", __func__);
xfrm_unregister_type(&ah6_type, AF_INET6);
return -EAGAIN;
@ -785,7 +793,7 @@ static int __init ah6_init(void)
static void __exit ah6_fini(void)
{
if (inet6_del_protocol(&ah6_protocol, IPPROTO_AH) < 0)
if (xfrm6_protocol_deregister(&ah6_protocol, IPPROTO_AH) < 0)
pr_info("%s: can't remove protocol\n", __func__);
if (xfrm_unregister_type(&ah6_type, AF_INET6) < 0)