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-rw-r--r--include/net/xfrm.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index afa5730fb3bd..5313ccfdeedf 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -594,6 +594,7 @@ struct xfrm_mgr {
const struct xfrm_migrate *m,
int num_bundles,
const struct xfrm_kmaddress *k);
+ bool (*is_alive)(const struct km_event *c);
};
int xfrm_register_km(struct xfrm_mgr *km);
@@ -1646,6 +1647,20 @@ static inline int xfrm_aevent_is_on(struct net *net)
rcu_read_unlock();
return ret;
}
+
+static inline int xfrm_acquire_is_on(struct net *net)
+{
+ struct sock *nlsk;
+ int ret = 0;
+
+ rcu_read_lock();
+ nlsk = rcu_dereference(net->xfrm.nlsk);
+ if (nlsk)
+ ret = netlink_has_listeners(nlsk, XFRMNLGRP_ACQUIRE);
+ rcu_read_unlock();
+
+ return ret;
+}
#endif
static inline int xfrm_alg_len(const struct xfrm_algo *alg)