[PATCH net-next v3 3/7] bcm63xx_enet: add xmit_more support
From: Sieng Piaw Liew <hidden>
Date: 2021-01-06 14:45:07
Also in:
lkml, netdev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Support bulking hardware TX queue by using netdev_xmit_more(). Signed-off-by: Sieng Piaw Liew <redacted> --- drivers/net/ethernet/broadcom/bcm63xx_enet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 90f8214b4d22..21744dae30ce 100644
--- 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, struct net_device *dev) 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 */
--
2.17.1
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