netdev - [PATCH net] net: macb: replace dev_kfree_skb_irq by dev_consume_skb

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Message-Id: <1549987202-5393-1-git-send-email-albin_yang@163.com>
Date:   Wed, 13 Feb 2019 00:00:02 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     nicolas.ferre@...rochip.com, davem@...emloft.net,
        yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: macb: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

From: Yang Wei <yang.wei9@....com.cn>

dev_consume_skb_irq() should be called in at91ether_interrupt() when
skb xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/cadence/macb_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 2b28826..835cc58 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3763,7 +3763,7 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
 			dev->stats.tx_errors++;
 
 		if (lp->skb) {
-			dev_kfree_skb_irq(lp->skb);
+			dev_consume_skb_irq(lp->skb);
 			lp->skb = NULL;
 			dma_unmap_single(NULL, lp->skb_physaddr,
 					 lp->skb_length, DMA_TO_DEVICE);
-- 
2.7.4