From: Sieng Piaw Liew <liew.s.piaw@gmail.com>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: bcm-kernel-feedback-list@broadcom.com,
Sieng Piaw Liew <liew.s.piaw@gmail.com>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH net-next v3 3/7] bcm63xx_enet: add xmit_more support
Date: Wed, 6 Jan 2021 22:42:04 +0800 [thread overview]
Message-ID: <20210106144208.1935-4-liew.s.piaw@gmail.com> (raw)
In-Reply-To: <20210106144208.1935-1-liew.s.piaw@gmail.com>
Support bulking hardware TX queue by using netdev_xmit_more().
Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com>
---
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
next prev parent reply other threads:[~2021-01-06 14:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-06 14:42 [PATCH net-next v3 0/7] bcm63xx_enet: major makeover of driver Sieng Piaw Liew
2021-01-06 14:42 ` [PATCH net-next v3 1/7] bcm63xx_enet: batch process rx path Sieng Piaw Liew
2021-01-06 17:04 ` Florian Fainelli
2021-01-06 14:42 ` [PATCH net-next v3 2/7] bcm63xx_enet: add BQL support Sieng Piaw Liew
2021-01-06 17:05 ` Florian Fainelli
2021-01-06 14:42 ` Sieng Piaw Liew [this message]
2021-01-06 17:05 ` [PATCH net-next v3 3/7] bcm63xx_enet: add xmit_more support Florian Fainelli
2021-01-06 14:42 ` [PATCH net-next v3 4/7] bcm63xx_enet: alloc rx skb with NET_IP_ALIGN Sieng Piaw Liew
2021-01-06 17:06 ` Florian Fainelli
2021-01-06 14:42 ` [PATCH net-next v3 5/7] bcm63xx_enet: consolidate rx SKB ring cleanup code Sieng Piaw Liew
2021-01-06 17:07 ` Florian Fainelli
2021-01-06 14:42 ` [PATCH net-next v3 6/7] bcm63xx_enet: convert to build_skb Sieng Piaw Liew
2021-01-06 17:08 ` Florian Fainelli
2021-01-06 14:42 ` [PATCH net-next v3 7/7] bcm63xx_enet: improve rx loop Sieng Piaw Liew
2021-01-06 17:08 ` Florian Fainelli
2021-01-06 17:03 ` [PATCH net-next v3 0/7] bcm63xx_enet: major makeover of driver Florian Fainelli
2021-01-07 20:41 ` Jakub Kicinski
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