Commit 99d55638 authored by Doug Berger's avatar Doug Berger Committed by David S. Miller
Browse files

net: bcmgenet: enable NETIF_F_HIGHDMA flag 



This commit configures the DMA masks for the GENET driver and
sets the NETIF_F_HIGHDMA flag to report support of the feature.

Signed-off-by: default avatarDoug Berger <opendmb@gmail.com>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d63b542c

drivers/net/ethernet/broadcom/genet/bcmgenet.c

+10 −2
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
/*

 * Broadcom GENET (Gigabit Ethernet) controller driver

 *

 * Copyright (c) 2014-2017 Broadcom

 * Copyright (c) 2014-2019 Broadcom

 */



#define pr_fmt(fmt)				"bcmgenet: " fmt
@@ -3537,7 +3537,7 @@ static int bcmgenet_probe(struct platform_device *pdev) 


	/* Set hardware features */

	dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM |

		NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;

		NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA | NETIF_F_RXCSUM;



	/* Request the WOL interrupt and advertise suspend if available */

	priv->wol_irq_disabled = true;
@@ -3574,6 +3574,14 @@ static int bcmgenet_probe(struct platform_device *pdev) 


	bcmgenet_set_hw_params(priv);



	err = -EIO;

	if (priv->hw_params->flags & GENET_HAS_40BITS)

		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40));

	if (err)

		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));

	if (err)

		goto err;



	/* Mii wait queue */

	init_waitqueue_head(&priv->wq);

	/* Always use RX_BUF_LENGTH (2KB) buffer for all chips */

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