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domenico
2025-06-24 13:14:22 +02:00
commit 4002f145fc
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target/linux/bcm63xx/patches-5.10/022-v5.12-bcm63xx_enet-add-xmit_more-support.patch Normal file
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@@ -0,0 +1,26 @@
From 375281d3a6dcabaa98f489ee412aedca6d99dffb Mon Sep 17 00:00:00 2001
From: Sieng Piaw Liew <liew.s.piaw@gmail.com>
Date: Wed, 6 Jan 2021 22:42:04 +0800
Subject: [PATCH 3/7] bcm63xx_enet: add xmit_more support
Support bulking hardware TX queue by using netdev_xmit_more().
Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -634,7 +634,8 @@ bcm_enet_start_xmit(struct sk_buff *skb,
netdev_sent_queue(dev, skb->len);
/* kick tx dma */
- enet_dmac_writel(priv, priv->dma_chan_en_mask,
+ if (!netdev_xmit_more() || !priv->tx_desc_count)
+ enet_dmac_writel(priv, priv->dma_chan_en_mask,
ENETDMAC_CHANCFG, priv->tx_chan);
/* stop queue if no more desc available */