net/mlx5: accelerate DV flow counter query

[dpdk.git] / drivers / net / mlx5 / mlx5.c

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 237d05b..10f3bb9 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -37,6 +37,7 @@
 #include <rte_rwlock.h>
 #include <rte_spinlock.h>
 #include <rte_string_fns.h>
+#include <rte_alarm.h>
 
 #include "mlx5.h"
 #include "mlx5_utils.h"
@@ -201,7 +202,15 @@ mlx5_flow_counters_mng_close(struct mlx5_ibv_shared *sh)
        struct mlx5_counter_stats_mem_mng *mng;
        uint8_t i;
        int j;
+       int retries = 1024;
 
+       rte_errno = 0;
+       while (--retries) {
+               rte_eal_alarm_cancel(mlx5_flow_query_alarm, sh);
+               if (rte_errno != EINPROGRESS)
+                       break;
+               rte_pause();
+       }
        for (i = 0; i < RTE_DIM(sh->cmng.ccont); ++i) {
                struct mlx5_flow_counter_pool *pool;
                uint32_t batch = !!(i % 2);