net/octeontx2: fix Tx flow control for HIGIG

Tx flow controlled is disabled in the Ax silicon version due to an errata.
This errata is not applicable for HIGIG Tx flow control, therefore
not enabling in HIGIG case.

Fixes: 602009ee2dfb ("net/octeontx2: support HIGIG2")
Cc: stable@dpdk.org
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/net/octeontx2/otx2_flow_ctrl.c b/drivers/net/octeontx2/otx2_flow_ctrl.c
index c6d7b19..1c6929e 100644 (file)
--- a/drivers/net/octeontx2/otx2_flow_ctrl.c
+++ b/drivers/net/octeontx2/otx2_flow_ctrl.c
@@ -213,6 +213,7 @@ otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
 
        /* To avoid Link credit deadlock on Ax, disable Tx FC if it's enabled */
        if (otx2_dev_is_Ax(dev) &&
+           (dev->npc_flow.switch_header_type != OTX2_PRIV_FLAGS_HIGIG) &&
            (fc_conf.mode == RTE_FC_FULL || fc_conf.mode == RTE_FC_RX_PAUSE)) {
                fc_conf.mode =
                                (fc_conf.mode == RTE_FC_FULL ||