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[XFRM]: Add XFRM_MODE_xxx for future use.

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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>
This commit is contained in:
Masahide NAKAMURA
2006-09-22 15:05:15 -07:00
committato da David S. Miller
parent 77d16f450a
commit 7e49e6de30
21 ha cambiato i file con 42 aggiunte e 39 eliminazioni
Scarica il file Patch Scarica il file Diff Expand all files Collapse all files

11
net/xfrm/xfrm_policy.c
Vedi File

@@ -779,7 +779,7 @@ xfrm_tmpl_resolve(struct xfrm_policy *policy, struct flowi *fl,
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 @@ xfrm_state_ok(struct xfrm_tmpl *tmpl, struct xfrm_state *x,
(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 @@ xfrm_policy_ok(struct xfrm_tmpl *tmpl, struct sec_path *sp, int start,
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 @@ EXPORT_SYMBOL(xfrm_decode_session);
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;
}

4
net/xfrm/xfrm_user.c
Vedi File

@@ -174,8 +174,8 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
err = -EINVAL;
switch (p->mode) {
case 0:
case 1:
case XFRM_MODE_TRANSPORT:
case XFRM_MODE_TUNNEL:
break;
default: