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authorSteffen Klassert <steffen.klassert@secunet.com>2014-03-14 07:28:07 +0100
committerSteffen Klassert <steffen.klassert@secunet.com>2014-03-14 07:28:07 +0100
commitd5860c5ccfcc20131634527ee3bc4a11a5168dd7 (patch)
tree3edb33bc57023a836c3f3b286f825932aec95aaf /net/ipv6/esp6.c
parent7e14ea1521d9249d9de7f0ea39c9af054745eebd (diff)
downloadop-kernel-dev-d5860c5ccfcc20131634527ee3bc4a11a5168dd7.zip
op-kernel-dev-d5860c5ccfcc20131634527ee3bc4a11a5168dd7.tar.gz
esp6: Use the IPsec protocol multiplexer API
Switch esp6 to use the new IPsec protocol multiplexer. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv6/esp6.c')
-rw-r--r--net/ipv6/esp6.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 6eef8a7..d15da13 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -421,8 +421,8 @@ 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,
- u8 type, u8 code, int offset, __be32 info)
+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);
const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data;
@@ -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__);
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