[PATCH v5 15/24] common/dpaax: use stdatomic instead of rte_atomic

[Stephen Hemminger <stephen@networkplumber.org>]

The driver debug code uses local atomic wrappers;
convert them to DPDK rte_atomic wrappers for C11 stdatomic.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/common/dpaax/compat.h | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/common/dpaax/compat.h b/drivers/common/dpaax/compat.h
index d0635255da..793616e095 100644
--- a/drivers/common/dpaax/compat.h
+++ b/drivers/common/dpaax/compat.h
@@ -365,19 +365,14 @@ static inline unsigned long get_zeroed_page(gfp_t __foo __rte_unused)
 #define spin_lock_irqsave(x, f) spin_lock_irq(x)
 #define spin_unlock_irqrestore(x, f) spin_unlock_irq(x)
 
-#define atomic_t                rte_atomic32_t
-#define atomic_read(v)          rte_atomic32_read(v)
-#define atomic_set(v, i)        rte_atomic32_set(v, i)
-
-#define atomic_inc(v)           rte_atomic32_add(v, 1)
-#define atomic_dec(v)           rte_atomic32_sub(v, 1)
-
-#define atomic_inc_and_test(v)  rte_atomic32_inc_and_test(v)
-#define atomic_dec_and_test(v)  rte_atomic32_dec_and_test(v)
-
-#define atomic_inc_return(v)    rte_atomic32_add_return(v, 1)
-#define atomic_dec_return(v)    rte_atomic32_sub_return(v, 1)
-#define atomic_sub_and_test(i, v) (rte_atomic32_sub_return(v, i) == 0)
+typedef RTE_ATOMIC(uint32_t) atomic_t;
+
+#define atomic_read(v)          rte_atomic_load_explicit((v), rte_memory_order_relaxed)
+#define atomic_set(v, i)        rte_atomic_store_explicit((v), (i), rte_memory_order_relaxed)
+#define atomic_inc(v)           ((void)rte_atomic_fetch_add_explicit((v), 1, rte_memory_order_seq_cst))
+#define atomic_dec(v)           ((void)rte_atomic_fetch_sub_explicit((v), 1, rte_memory_order_seq_cst))
+#define atomic_inc_and_test(v)  (rte_atomic_fetch_add_explicit((v), 1, rte_memory_order_seq_cst) == -1)
+#define atomic_dec_and_test(v)  (rte_atomic_fetch_sub_explicit((v), 1, rte_memory_order_seq_cst) == 1)
 
 /* Interface name len*/
 #define IF_NAME_MAX_LEN 16
-- 
2.53.0