[PATCH 2/4] net/cnxk: support loopback mode on AF VF's

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

Support internal loopback mode on AF VF's using RoC by setting
Tx channel same as Rx channel.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
 drivers/net/cnxk/cnxk_ethdev.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index 1fa4131..7f8479a 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1116,6 +1116,9 @@ cnxk_nix_configure(struct rte_eth_dev *eth_dev)
 	nb_rxq = RTE_MAX(data->nb_rx_queues, 1);
 	nb_txq = RTE_MAX(data->nb_tx_queues, 1);
 
+	if (roc_nix_is_lbk(nix))
+		nix->enable_loop = eth_dev->data->dev_conf.lpbk_mode;
+
 	/* Alloc a nix lf */
 	rc = roc_nix_lf_alloc(nix, nb_rxq, nb_txq, rx_cfg);
 	if (rc) {
@@ -1239,6 +1242,9 @@ cnxk_nix_configure(struct rte_eth_dev *eth_dev)
 		}
 	}
 
+	if (roc_nix_is_lbk(nix))
+		goto skip_lbk_setup;
+
 	/* Configure loop back mode */
 	rc = roc_nix_mac_loopback_enable(nix,
 					 eth_dev->data->dev_conf.lpbk_mode);
@@ -1247,6 +1253,7 @@ cnxk_nix_configure(struct rte_eth_dev *eth_dev)
 		goto cq_fini;
 	}
 
+skip_lbk_setup:
 	/* Setup Inline security support */
 	rc = nix_security_setup(dev);
 	if (rc)
-- 
2.8.4