1 files changed, 33 insertions, 0 deletions
diff --git a/src/vnet/mpls/mpls_lookup.h b/src/vnet/mpls/mpls_lookup.h
new file mode 100644
index 00000000000..6d3b04b8507
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+++ b/src/vnet/mpls/mpls_lookup.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __MPLS_LOOKUP_H__
+#define __MPLS_LOOKUP_H__
+
+#include <vnet/mpls/mpls.h>
+#include <vnet/ip/ip.h>
+
+/*
+ * Compute flow hash. 
+ * We'll use it to select which adjacency to use for this flow.  And other things.
+ */
+always_inline u32
+mpls_compute_flow_hash (const mpls_unicast_header_t * hdr,
+                        flow_hash_config_t flow_hash_config)
+{
+    return (vnet_mpls_uc_get_label(hdr->label_exp_s_ttl));
+}
+
+#endif /* __MPLS_LOOKUP_H__ */