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[IPSEC]: Move tunnel parsing for IPv4 out of xfrm4_input

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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>
This commit is contained in:
Herbert Xu 2007-10-17 21:28:53 -07:00 • committed by David S. Miller
parent 04663d0b8b
commit c4541b41c0
3 changed files with 26 additions and 27 deletions
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9
net/ipv4/xfrm4_tunnel.c
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@ -48,20 +48,25 @@ static struct xfrm_type ipip_type = {
.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,
};