Providing a custom prefix when logging is common for components. Lift
ISO C99 compliant helper macros from mlx5_common.h and provide
RTE_LOG_LINE_PREFIX macro that can expand similar to RTE_LOG_LINE with
a custom prefix and argument list.

Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
---
 lib/log/rte_log.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/log/rte_log.h b/lib/log/rte_log.h
index fbc0df7..a0fee24 100644
--- a/lib/log/rte_log.h
+++ b/lib/log/rte_log.h
@@ -379,6 +379,20 @@ int rte_vlog(uint32_t level, uint32_t logtype, const char 
*format, va_list ap)
                RTE_FMT_TAIL(__VA_ARGS__ ,))); \
 } while (0)
 
+#define _RTE_LOG_COMMA ,
+
+#define RTE_LOG_LINE_PREFIX(l, t, prefix, args, ...) do { \
+       RTE_LOG_CHECK_NO_NEWLINE(RTE_FMT_HEAD(prefix __VA_ARGS__ ,)); \
+       RTE_LOG(l, t, RTE_FMT(prefix RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", \
+           args _RTE_LOG_COMMA RTE_FMT_TAIL(__VA_ARGS__ ,))); \
+} while (0)
+
+#define RTE_LOG_DP_LINE_PREFIX(l, t, prefix, args, ...) do { \
+       RTE_LOG_CHECK_NO_NEWLINE(RTE_FMT_HEAD(prefix __VA_ARGS__ ,)); \
+       RTE_LOG_DP(l, t, RTE_FMT(prefix RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", \
+           args _RTE_LOG_COMMA RTE_FMT_TAIL(__VA_ARGS__ ,))); \
+} while (0)
+
 #define RTE_LOG_REGISTER_IMPL(type, name, level)                           \
 int type;                                                                  \
 RTE_INIT(__##type)                                                         \
-- 
1.8.3.1

Reply via email to