[XFRM]: Add XFRM_MODE_xxx for future use.
Transformation mode is used as either IPsec transport or tunnel.
It is required to add two more items, route optimization and inbound trigger
for Mobile IPv6.
Based on MIPL2 kernel patch.
This patch was also written by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 32c963c..a0d5897 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -779,7 +779,7 @@
xfrm_address_t *local = saddr;
struct xfrm_tmpl *tmpl = &policy->xfrm_vec[i];
- if (tmpl->mode) {
+ if (tmpl->mode == XFRM_MODE_TUNNEL) {
remote = &tmpl->id.daddr;
local = &tmpl->saddr;
}
@@ -1005,7 +1005,8 @@
(x->props.reqid == tmpl->reqid || !tmpl->reqid) &&
x->props.mode == tmpl->mode &&
(tmpl->aalgos & (1<<x->props.aalgo)) &&
- !(x->props.mode && xfrm_state_addr_cmp(tmpl, x, family));
+ !(x->props.mode != XFRM_MODE_TRANSPORT &&
+ xfrm_state_addr_cmp(tmpl, x, family));
}
static inline int
@@ -1015,14 +1016,14 @@
int idx = start;
if (tmpl->optional) {
- if (!tmpl->mode)
+ if (tmpl->mode == XFRM_MODE_TRANSPORT)
return start;
} else
start = -1;
for (; idx < sp->len; idx++) {
if (xfrm_state_ok(tmpl, sp->xvec[idx], family))
return ++idx;
- if (sp->xvec[idx]->props.mode)
+ if (sp->xvec[idx]->props.mode != XFRM_MODE_TRANSPORT)
break;
}
return start;
@@ -1047,7 +1048,7 @@
static inline int secpath_has_tunnel(struct sec_path *sp, int k)
{
for (; k < sp->len; k++) {
- if (sp->xvec[k]->props.mode)
+ if (sp->xvec[k]->props.mode != XFRM_MODE_TRANSPORT)
return 1;
}