net/mlx5/linux: fix missed Rx packet stats

[dpdk.git] / drivers / net / mlx5 / mlx5_flow_aso.c

diff --git a/drivers/net/mlx5/mlx5_flow_aso.c b/drivers/net/mlx5/mlx5_flow_aso.c
index 92fa9ed..64631ff 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow_aso.c
+++ b/drivers/net/mlx5/mlx5_flow_aso.c
@@ -1388,3 +1388,44 @@ data_handle:
                mlx5_aso_ct_obj_analyze(profile, out_data);
        return ret;
 }
+
+/*
+ * Make sure the conntrack context is synchronized with hardware before
+ * creating a flow rule that uses it.
+ *
+ * @param[in] sh
+ *   Pointer to shared device context.
+ * @param[in] ct
+ *   Pointer to connection tracking offload object.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_aso_ct_available(struct mlx5_dev_ctx_shared *sh,
+                     struct mlx5_aso_ct_action *ct)
+{
+       struct mlx5_aso_ct_pools_mng *mng = sh->ct_mng;
+       uint32_t poll_cqe_times = MLX5_CT_POLL_WQE_CQE_TIMES;
+       enum mlx5_aso_ct_state state =
+                               __atomic_load_n(&ct->state, __ATOMIC_RELAXED);
+
+       if (state == ASO_CONNTRACK_FREE) {
+               rte_errno = ENXIO;
+               return -rte_errno;
+       } else if (state == ASO_CONNTRACK_READY ||
+                  state == ASO_CONNTRACK_QUERY) {
+               return 0;
+       }
+       do {
+               mlx5_aso_ct_completion_handle(mng);
+               state = __atomic_load_n(&ct->state, __ATOMIC_RELAXED);
+               if (state == ASO_CONNTRACK_READY ||
+                   state == ASO_CONNTRACK_QUERY)
+                       return 0;
+               /* Waiting for CQE ready, consider should block or sleep. */
+               rte_delay_us_sleep(MLX5_ASO_WQE_CQE_RESPONSE_DELAY);
+       } while (--poll_cqe_times);
+       rte_errno = EBUSY;
+       return -rte_errno;
+}