New upstream version 18.11-rc1

[deb_dpdk.git] / lib / librte_net / rte_mpls.h

diff --git a/lib/librte_net/rte_mpls.h b/lib/librte_net/rte_mpls.h
new file mode 100644 (file)
index 0000000..11d26ba
--- /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_ */