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-rw-r--r--lib/librte_net/rte_mpls.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/librte_net/rte_mpls.h b/lib/librte_net/rte_mpls.h
new file mode 100644
index 00000000..11d26ba3
--- /dev/null
+++ b/lib/librte_net/rte_mpls.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016 6WIND S.A.
+ */
+
+#ifndef _RTE_MPLS_H_
+#define _RTE_MPLS_H_
+
+/**
+ * @file
+ *
+ * MPLS-related defines
+ */
+
+#include <stdint.h>
+#include <rte_byteorder.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * MPLS header.
+ */
+struct mpls_hdr {
+ uint16_t tag_msb; /**< Label(msb). */
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ uint8_t tag_lsb:4; /**< Label(lsb). */
+ uint8_t tc:3; /**< Traffic class. */
+ uint8_t bs:1; /**< Bottom of stack. */
+#else
+ uint8_t bs:1; /**< Bottom of stack. */
+ uint8_t tc:3; /**< Traffic class. */
+ uint8_t tag_lsb:4; /**< label(lsb) */
+#endif
+ uint8_t ttl; /**< Time to live. */
+} __attribute__((__packed__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_MPLS_H_ */