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[IPSEC]: Changing API of xfrm4_tunnel_register.

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This patch changes xfrm4_tunnel register and deregister
interface to prepare for solving the conflict of device
tunnels with inter address family IPsec tunnel.

Signed-off-by: Kazunori MIYAZAWA <miyazawa@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kazunori MIYAZAWA
2007-02-13 12:54:47 -08:00
committed by David S. Miller
parent 600ff0c24b
commit c0d56408e3
5 changed files with 79 additions and 14 deletions
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4
net/ipv4/xfrm4_input.c
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@@ -27,6 +27,7 @@ static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32
{
switch (nexthdr) {
case IPPROTO_IPIP:
case IPPROTO_IPV6:
*spi = skb->nh.iph->saddr;
*seq = 0;
return 0;
@@ -70,7 +71,8 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
if (xfrm_nr == XFRM_MAX_DEPTH)
goto drop;
x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi, iph->protocol, AF_INET);
x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi,
iph->protocol != IPPROTO_IPV6 ? iph->protocol : IPPROTO_IPIP, AF_INET);
if (x == NULL)
goto drop;