+/* ME hash of RDMA portal */
+#define LNET_MT_HASH_BITS 8
+#define LNET_MT_HASH_SIZE (1 << LNET_MT_HASH_BITS)
+#define LNET_MT_HASH_MASK (LNET_MT_HASH_SIZE - 1)
+/* we allocate (LNET_MT_HASH_SIZE + 1) entries for lnet_match_table::mt_hash,
+ * the last entry is reserved for MEs with ignore-bits */
+#define LNET_MT_HASH_IGNORE LNET_MT_HASH_SIZE
+/* __u64 has 2^6 bits, so need 2^(LNET_MT_HASH_BITS - LNET_MT_BITS_U64) which
+ * is 4 __u64s as bit-map, and add an extra __u64 (only use one bit) for the
+ * ME-list with ignore-bits, which is mtable::mt_hash[LNET_MT_HASH_IGNORE] */
+#define LNET_MT_BITS_U64 6 /* 2^6 bits */
+#define LNET_MT_EXHAUSTED_BITS (LNET_MT_HASH_BITS - LNET_MT_BITS_U64)
+#define LNET_MT_EXHAUSTED_BMAP ((1 << LNET_MT_EXHAUSTED_BITS) + 1)
+
+/* portal match table */
+struct lnet_match_table {
+ /* reserved for upcoming patches, CPU partition ID */
+ unsigned int mt_cpt;
+ unsigned int mt_portal; /* portal index */
+ /* match table is set as "enabled" if there's non-exhausted MD
+ * attached on mt_mhash, it's only valide for wildcard portal */
+ unsigned int mt_enabled;
+ /* bitmap to flag whether MEs on mt_hash are exhausted or not */
+ __u64 mt_exhausted[LNET_MT_EXHAUSTED_BMAP];
+ cfs_list_t *mt_mhash; /* matching hash */
+};
+
+/* these are only useful for wildcard portal */
+/* Turn off message rotor for wildcard portals */
+#define LNET_PTL_ROTOR_OFF 0
+/* round-robin dispatch all PUT messages for wildcard portals */
+#define LNET_PTL_ROTOR_ON 1
+/* round-robin dispatch routed PUT message for wildcard portals */
+#define LNET_PTL_ROTOR_RR_RT 2
+/* dispatch routed PUT message by hashing source NID for wildcard portals */
+#define LNET_PTL_ROTOR_HASH_RT 3
+
+typedef struct lnet_portal {