-stream_session_t *session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl,
- ip4_address_t * rmt, u16 lcl_port,
- u16 rmt_port, u8 proto);
-stream_session_t *session_lookup_safe6 (u32 fib_index, ip6_address_t * lcl,
- ip6_address_t * rmt, u16 lcl_port,
- u16 rmt_port, u8 proto);
+#define HALF_OPEN_LOOKUP_INVALID_VALUE ((u64)~0)
+
+typedef enum session_lookup_result_
+{
+ SESSION_LOOKUP_RESULT_NONE,
+ SESSION_LOOKUP_RESULT_WRONG_THREAD,
+ SESSION_LOOKUP_RESULT_FILTERED
+} session_lookup_result_t;
+
+session_t *session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl,
+ ip4_address_t * rmt, u16 lcl_port,
+ u16 rmt_port, u8 proto);
+session_t *session_lookup_safe6 (u32 fib_index, ip6_address_t * lcl,
+ ip6_address_t * rmt, u16 lcl_port,
+ u16 rmt_port, u8 proto);