Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 28 insertions, 4 deletions

diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index d4dccd88..8c5aa691 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -82,14 +82,33 @@ mlx5_dev_start(struct rte_eth_dev *dev)
 		ERROR("%p: an error occurred while configuring hash RX queues:"
 		      " %s",
 		      (void *)priv, strerror(err));
-		/* Rollback. */
-		priv_special_flow_disable_all(priv);
-		priv_mac_addrs_disable(priv);
-		priv_destroy_hash_rxqs(priv);
+		goto error;
 	}
 	if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_NONE)
 		priv_fdir_enable(priv);
+	err = priv_flow_start(priv);
+	if (err) {
+		priv->started = 0;
+		ERROR("%p: an error occurred while configuring flows:"
+		      " %s",
+		      (void *)priv, strerror(err));
+		goto error;
+	}
 	priv_dev_interrupt_handler_install(priv, dev);
+	if (dev->data->dev_conf.intr_conf.rxq) {
+		err = priv_intr_efd_enable(priv);
+		if (!err)
+			err = priv_create_intr_vec(priv);
+	}
+	priv_xstats_init(priv);
+	priv_unlock(priv);
+	return 0;
+error:
+	/* Rollback. */
+	priv_special_flow_disable_all(priv);
+	priv_mac_addrs_disable(priv);
+	priv_destroy_hash_rxqs(priv);
+	priv_flow_stop(priv);
 	priv_unlock(priv);
 	return -err;
 }
@@ -120,7 +139,12 @@ mlx5_dev_stop(struct rte_eth_dev *dev)
 	priv_mac_addrs_disable(priv);
 	priv_destroy_hash_rxqs(priv);
 	priv_fdir_disable(priv);
+	priv_flow_stop(priv);
 	priv_dev_interrupt_handler_uninstall(priv, dev);
+	if (priv->dev->data->dev_conf.intr_conf.rxq) {
+		priv_destroy_intr_vec(priv);
+		priv_intr_efd_disable(priv);
+	}
 	priv->started = 0;
 	priv_unlock(priv);
 }