Added a getter for CHILD_SA marks

src/libcharon/sa/child_sa.c

@@ -526,6 +526,16 @@ METHOD(child_sa_t, get_usestats, void,
 	}
 }
 
+METHOD(child_sa_t, get_mark, mark_t,
+	private_child_sa_t *this, bool inbound)
+{
+	if (inbound)
+	{
+		return this->mark_in;
+	}
+	return this->mark_out;
+}
+
 METHOD(child_sa_t, get_lifetime, time_t,
 	   private_child_sa_t *this, bool hard)
 {
@@ -1038,6 +1048,7 @@ child_sa_t * child_sa_create(host_t *me, host_t* other,
 			.set_proposal = _set_proposal,
 			.get_lifetime = _get_lifetime,
 			.get_usestats = _get_usestats,
+			.get_mark = _get_mark,
 			.has_encap = _has_encap,
 			.get_ipcomp = _get_ipcomp,
 			.set_ipcomp = _set_ipcomp,

src/libcharon/sa/child_sa.h

@@ -274,6 +274,14 @@ struct child_sa_t {
 	void (*get_usestats)(child_sa_t *this, bool inbound, time_t *time,
 						 u_int64_t *bytes);
 
+	/**
+	 * Get the mark used with this CHILD_SA.
+	 *
+	 * @param inbound		TRUE to get inbound mark, FALSE for outbound
+	 * @return				mark used with this CHILD_SA
+	 */
+	mark_t (*get_mark)(child_sa_t *this, bool inbound);
+
 	/**
 	 * Get the traffic selectors list added for one side.
 	 *