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[XFRM]: Introduce XFRM_MSG_REPORT.

Browse source 
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>
This commit is contained in:
Masahide NAKAMURA 2006-08-23 20:44:06 -07:00 • committed by David S. Miller
parent df0ba92a99
commit 97a64b4577
4 changed files with 79 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

19
net/xfrm/xfrm_state.c
View file

@ -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;