Imported Upstream version 16.04

[deb_dpdk.git] / lib / librte_eal / common / include / rte_version.h

diff --git a/lib/librte_eal/common/include/rte_version.h b/lib/librte_eal/common/include/rte_version.h
new file mode 100644 (file)
index 0000000..f8ea6d7
--- /dev/null
+++ b/lib/librte_eal/common/include/rte_version.h
@@ -0,0 +1,130 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @file
+ * Definitions of DPDK version numbers
+ */
+
+#ifndef _RTE_VERSION_H_
+#define _RTE_VERSION_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <string.h>
+#include <rte_common.h>
+
+/**
+ * String that appears before the version number
+ */
+#define RTE_VER_PREFIX "DPDK"
+
+/**
+ * Major version/year number i.e. the yy in yy.mm.z
+ */
+#define RTE_VER_YEAR 16
+
+/**
+ * Minor version/month number i.e. the mm in yy.mm.z
+ */
+#define RTE_VER_MONTH 4
+
+/**
+ * Patch level number i.e. the z in yy.mm.z
+ */
+#define RTE_VER_MINOR 0
+
+/**
+ * Extra string to be appended to version number
+ */
+#define RTE_VER_SUFFIX ""
+
+/**
+ * Patch release number
+ *   0-15 = release candidates
+ *   16   = release
+ */
+#define RTE_VER_RELEASE 16
+
+/**
+ * Macro to compute a version number usable for comparisons
+ */
+#define RTE_VERSION_NUM(a,b,c,d) ((a) << 24 | (b) << 16 | (c) << 8 | (d))
+
+/**
+ * All version numbers in one to compare with RTE_VERSION_NUM()
+ */
+#define RTE_VERSION RTE_VERSION_NUM( \
+                       RTE_VER_YEAR, \
+                       RTE_VER_MONTH, \
+                       RTE_VER_MINOR, \
+                       RTE_VER_RELEASE)
+
+/**
+ * Function returning version string
+ * @return
+ *     string
+ */
+static inline const char *
+rte_version(void)
+{
+       static char version[32];
+       if (version[0] != 0)
+               return version;
+       if (strlen(RTE_VER_SUFFIX) == 0)
+               snprintf(version, sizeof(version), "%s %d.%02d.%d",
+                       RTE_VER_PREFIX,
+                       RTE_VER_YEAR,
+                       RTE_VER_MONTH,
+                       RTE_VER_MINOR);
+       else
+               snprintf(version, sizeof(version), "%s %d.%02d.%d%s%d",
+                       RTE_VER_PREFIX,
+                       RTE_VER_YEAR,
+                       RTE_VER_MONTH,
+                       RTE_VER_MINOR,
+                       RTE_VER_SUFFIX,
+                       RTE_VER_RELEASE < 16 ?
+                               RTE_VER_RELEASE :
+                               RTE_VER_RELEASE - 16);
+       return version;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_VERSION_H */