Add a macro to facilitate the support of different API versions.

2 files changed, 6 insertions, 2 deletions

diff --git a/src/dpdk.c b/src/dpdk.c
index 481e483..e86314c 100644
--- a/src/dpdk.c
+++ b/src/dpdk.c
@@ -185,8 +185,7 @@ int init_dpdk_eal_mempool(const struct cmd_opts* opts,
         return (EINVAL);
 
     /* API BREAKAGE ON 17.05 */
-#if (defined RTE_VER_YEAR && RTE_VER_YEAR == 17 && defined RTE_VER_MONTH && RTE_VER_MONTH < 05) \
-    || defined RTE_VER_YEAR && RTE_VER_YEAR < 17
+#if API_OLDEST_THAN(17, 05)
     rte_set_log_level(RTE_LOG_ERR);
 #else /* if DPDK >= 17.05 */
     rte_log_set_global_level(RTE_LOG_ERR);
diff --git a/src/main.h b/src/main.h
index 13b730c..7f388dc 100644
--- a/src/main.h
+++ b/src/main.h
@@ -26,6 +26,11 @@
 #define max(x, y) (x > y ? x : y)
 #endif /* max */
 
+#define API_OLDEST_THAN(year, month)                     \
+    ((defined RTE_VER_YEAR && RTE_VER_YEAR == year       \
+      && defined RTE_VER_MONTH && RTE_VER_MONTH < month) \
+     || defined RTE_VER_YEAR && RTE_VER_YEAR < year)
+
 /* struct to store the command line args */
 struct cmd_opts {
     char**          pcicards;