[IPSEC]: Move tunnel parsing for IPv4 out of xfrm4_input
This patch moves the tunnel parsing for IPv4 out of xfrm4_input and into
xfrm4_tunnel. This change is in line with what IPv6 does and will allow
us to merge the two input functions.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c
index 83e9580..3268451 100644
--- a/net/ipv4/xfrm4_tunnel.c
+++ b/net/ipv4/xfrm4_tunnel.c
@@ -48,20 +48,25 @@
.output = ipip_output
};
+static int xfrm_tunnel_rcv(struct sk_buff *skb)
+{
+ return xfrm4_rcv_spi(skb, IPPROTO_IP, ip_hdr(skb)->saddr);
+}
+
static int xfrm_tunnel_err(struct sk_buff *skb, u32 info)
{
return -ENOENT;
}
static struct xfrm_tunnel xfrm_tunnel_handler = {
- .handler = xfrm4_rcv,
+ .handler = xfrm_tunnel_rcv,
.err_handler = xfrm_tunnel_err,
.priority = 2,
};
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
static struct xfrm_tunnel xfrm64_tunnel_handler = {
- .handler = xfrm4_rcv,
+ .handler = xfrm_tunnel_rcv,
.err_handler = xfrm_tunnel_err,
.priority = 2,
};