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[XFRM] IPv6: Fix dst/routing check at transformation.

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IPv6 specific thing is wrongly removed from transformation at net-2.6.25.
This patch recovers it with current design.

o Update "path" of xfrm_dst since IPv6 transformation should
  care about routing changes. It is required by MIPv6 and
  off-link destined IPsec.
o Rename nfheader_len which is for non-fragment transformation used by
  MIPv6 to rt6i_nfheader_len as IPv6 name space.

Signed-off-by: Masahide NAKAMURA <[email protected]>
Acked-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Masahide NAKAMURA 2007-12-20 20:41:12 -08:00 • committed by David S. Miller
commit a1b051405b
6 changed files with 51 additions and 3 deletions
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7
net/ipv4/xfrm4_policy.c
View file

@ -84,6 +84,12 @@ static int xfrm4_get_tos(struct flowi *fl)
return fl->fl4_tos;
}
static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
int nfheader_len)
{
return 0;
}
static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
{
struct rtable *rt = (struct rtable *)xdst->route;
@ -251,6 +257,7 @@ static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
.find_bundle = __xfrm4_find_bundle,
.decode_session = _decode_session4,
.get_tos = xfrm4_get_tos,
.init_path = xfrm4_init_path,
.fill_dst = xfrm4_fill_dst,
};