net/cnxk: support loopback mode on AF VF

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>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index bd31a9af5108fdbc61a1141b79edd3ac4164d5a0..e1b1e1674149cf6c50be654fbc6269794eb938f7 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1119,6 +1119,9 @@ 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) {
@@ -1242,6 +1245,9 @@ 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);
@@ -1250,6 +1256,7 @@ 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)