f323dec4f8
Runtime-tested on Comtrend AR-5387un. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
27 lines
994 B
Diff
27 lines
994 B
Diff
From 375281d3a6dcabaa98f489ee412aedca6d99dffb Mon Sep 17 00:00:00 2001
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From: Sieng Piaw Liew <liew.s.piaw@gmail.com>
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Date: Wed, 6 Jan 2021 22:42:04 +0800
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Subject: [PATCH 3/7] bcm63xx_enet: add xmit_more support
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Support bulking hardware TX queue by using netdev_xmit_more().
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Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com>
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Acked-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/ethernet/broadcom/bcm63xx_enet.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
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+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
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@@ -634,7 +634,8 @@ bcm_enet_start_xmit(struct sk_buff *skb,
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netdev_sent_queue(dev, skb->len);
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/* kick tx dma */
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- enet_dmac_writel(priv, priv->dma_chan_en_mask,
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+ if (!netdev_xmit_more() || !priv->tx_desc_count)
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+ enet_dmac_writel(priv, priv->dma_chan_en_mask,
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ENETDMAC_CHANCFG, priv->tx_chan);
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/* stop queue if no more desc available */
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