[PATCH net-next 1/1] stmmac: intel: set TSO/TBS TX Queues default settings

From: Ong Boon Leong
Date: Wed Apr 21 2021 - 04:41:45 EST


TSO and TBS cannot coexist, for now we set Intel mGbE controller to use
below TX Queue mapping: TxQ0 uses TSO and the rest of TXQs supports TBS.

Signed-off-by: Ong Boon Leong <boon.leong.ong@xxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index ec140fc4a0f5..844332a2c2e0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -446,6 +446,9 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,

/* Disable Priority config by default */
plat->tx_queues_cfg[i].use_prio = false;
+ /* Default TX Q0 to use TSO and rest TXQ for TBS */
+ if (i > 0)
+ plat->tx_queues_cfg[i].tbs_en = 1;
}

/* FIFO size is 4096 bytes for 1 tx/rx queue */
--
2.25.1