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-rw-r--r--lib/mpls.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/mpls.h b/lib/mpls.h
index 472ee9bc46..635ecc77a1 100644
--- a/lib/mpls.h
+++ b/lib/mpls.h
@@ -47,6 +47,7 @@ extern "C" {
#define MPLS_LABEL_OAM_ALERT 14 /* [RFC3429] */
#define MPLS_LABEL_EXTENSION 15 /* [RFC7274] */
#define MPLS_LABEL_MAX 1048575
+#define MPLS_LABEL_VALUE_MASK 0x000FFFFF
#define MPLS_LABEL_NONE 0xFFFFFFFF /* for internal use only */
/* Minimum and maximum label values */