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authorMasahide NAKAMURA <nakam@linux-ipv6.org>2006-08-23 20:44:06 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:08:30 -0700
commit97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 (patch)
tree424700fb0a41b28c5615d0d21ca74d699e1fa872 /net/xfrm/xfrm_state.c
parentdf0ba92a99ca757039dfa84a929281ea3f7a50e8 (diff)
[XFRM]: Introduce XFRM_MSG_REPORT.
XFRM_MSG_REPORT is a message as notification of state protocol and selector from kernel to user-space. Mobile IPv6 will use it when inbound reject is occurred at route optimization to make user-space know a binding error requirement. Based on MIPL2 kernel patch. 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>
Diffstat (limited to 'net/xfrm/xfrm_state.c')
-rw-r--r--net/xfrm/xfrm_state.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 3da89c01ea7..a26ef6952c3 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1055,6 +1055,25 @@ void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid)
}
EXPORT_SYMBOL(km_policy_expired);
+int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr)
+{
+ int err = -EINVAL;
+ int ret;
+ struct xfrm_mgr *km;
+
+ read_lock(&xfrm_km_lock);
+ list_for_each_entry(km, &xfrm_km_list, list) {
+ if (km->report) {
+ ret = km->report(proto, sel, addr);
+ if (!ret)
+ err = ret;
+ }
+ }
+ read_unlock(&xfrm_km_lock);
+ return err;
+}
+EXPORT_SYMBOL(km_report);
+
int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen)
{
int err;