net: stmmac: First Queue must always be in DCB mode

[sfrench/cifs-2.6.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_platform.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 8a280b48e3a9fd0c7ada914f2ceea3618e9e34cf..6383695004a53ef14e6c72beba5b4f8b1677d5f5 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -150,6 +150,13 @@ static void stmmac_mtl_setup(struct platform_device *pdev,
        plat->rx_queues_to_use = 1;
        plat->tx_queues_to_use = 1;
 
+       /* First Queue must always be in DCB mode. As MTL_QUEUE_DCB = 1 we need
+        * to always set this, otherwise Queue will be classified as AVB
+        * (because MTL_QUEUE_AVB = 0).
+        */
+       plat->rx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB;
+       plat->tx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB;
+
        rx_node = of_parse_phandle(pdev->dev.of_node, "snps,mtl-rx-config", 0);
        if (!rx_node)
                return;