From: Steffen Klassert <steffen.klassert@secunet.com>
To: David Miller <davem@davemloft.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
Steffen Klassert <steffen.klassert@secunet.com>,
<netdev@vger.kernel.org>
Subject: [PATCH 02/12] esp4: Use the IPsec protocol multiplexer API
Date: Thu, 27 Feb 2014 09:00:30 +0100 [thread overview]
Message-ID: <1393488040-22005-3-git-send-email-steffen.klassert@secunet.com> (raw)
In-Reply-To: <1393488040-22005-1-git-send-email-steffen.klassert@secunet.com>
Switch esp4 to use the new IPsec protocol multiplexer.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
net/ipv4/esp4.c | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 7785b28..360b565 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -473,7 +473,7 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu)
net_adj) & ~(blksize - 1)) + net_adj - 2;
}
-static void esp4_err(struct sk_buff *skb, u32 info)
+static int esp4_err(struct sk_buff *skb, u32 info)
{
struct net *net = dev_net(skb->dev);
const struct iphdr *iph = (const struct iphdr *)skb->data;
@@ -483,23 +483,25 @@ static void esp4_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,
esph->spi, IPPROTO_ESP, AF_INET);
if (!x)
- return;
+ return 0;
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0);
xfrm_state_put(x);
+
+ return 0;
}
static void esp_destroy(struct xfrm_state *x)
@@ -672,6 +674,11 @@ error:
return err;
}
+static int esp4_rcv_cb(struct sk_buff *skb, int err)
+{
+ return 0;
+}
+
static const struct xfrm_type esp_type =
{
.description = "ESP4",
@@ -685,11 +692,12 @@ static const struct xfrm_type esp_type =
.output = esp_output
};
-static const struct net_protocol esp4_protocol = {
+static struct xfrm4_protocol esp4_protocol = {
.handler = xfrm4_rcv,
+ .input_handler = xfrm_input,
+ .cb_handler = esp4_rcv_cb,
.err_handler = esp4_err,
- .no_policy = 1,
- .netns_ok = 1,
+ .priority = 0,
};
static int __init esp4_init(void)
@@ -698,7 +706,7 @@ static int __init esp4_init(void)
pr_info("%s: can't add xfrm type\n", __func__);
return -EAGAIN;
}
- if (inet_add_protocol(&esp4_protocol, IPPROTO_ESP) < 0) {
+ if (xfrm4_protocol_register(&esp4_protocol, IPPROTO_ESP) < 0) {
pr_info("%s: can't add protocol\n", __func__);
xfrm_unregister_type(&esp_type, AF_INET);
return -EAGAIN;
@@ -708,7 +716,7 @@ static int __init esp4_init(void)
static void __exit esp4_fini(void)
{
- if (inet_del_protocol(&esp4_protocol, IPPROTO_ESP) < 0)
+ if (xfrm4_protocol_deregister(&esp4_protocol, IPPROTO_ESP) < 0)
pr_info("%s: can't remove protocol\n", __func__);
if (xfrm_unregister_type(&esp_type, AF_INET) < 0)
pr_info("%s: can't remove xfrm type\n", __func__);
--
1.7.9.5
next prev parent reply other threads:[~2014-02-27 8:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-27 8:00 pull request (net-next): ipsec-next 2014-02-27 Steffen Klassert
2014-02-27 8:00 ` [PATCH 01/12] xfrm4: Add IPsec protocol multiplexer Steffen Klassert
2014-02-27 8:00 ` Steffen Klassert [this message]
2014-02-27 8:00 ` [PATCH 03/12] ah4: Use the IPsec protocol multiplexer API Steffen Klassert
2014-02-27 8:00 ` [PATCH 04/12] ipcomp4: " Steffen Klassert
2014-02-27 8:00 ` [PATCH 05/12] xfrm: Add xfrm_tunnel_skb_cb to the skb common buffer Steffen Klassert
2014-02-27 8:00 ` [PATCH 06/12] ip_tunnel: Make vti work with i_key set Steffen Klassert
2014-02-27 8:00 ` [PATCH 07/12] vti: Update the ipv4 side to use it's own receive hook Steffen Klassert
2014-02-27 10:42 ` Neil Jerram
2014-02-27 8:00 ` [PATCH 08/12] xfrm4: Remove xfrm_tunnel_notifier Steffen Klassert
2014-02-27 8:00 ` [PATCH 09/12] vti4: Use the on xfrm_lookup returned dst_entry directly Steffen Klassert
2014-02-27 8:00 ` [PATCH 10/12] vti4: Support inter address family tunneling Steffen Klassert
2014-02-27 8:00 ` [PATCH 11/12] vti4: Check the tunnel endpoints of the xfrm state and the vti interface Steffen Klassert
2014-02-27 8:00 ` [PATCH 12/12] vti4: Enable namespace changing 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=1393488040-22005-3-git-send-email-steffen.klassert@secunet.com \
--to=steffen.klassert@secunet.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=netdev@vger.kernel.org \
/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).