netdev - [PATCH net] net: smsc: epic100: replace dev_kfree_skb_irq by dev_consume_skb

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Message-Id: <1549382981-5372-1-git-send-email-albin_yang@163.com>
Date:   Wed,  6 Feb 2019 00:09:41 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, colin.king@...onical.com,
        yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: smsc: epic100: 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 epic_tx() when skb xmit
done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/smsc/epic100.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/smsc/epic100.c b/drivers/net/ethernet/smsc/epic100.c
index 15c62c1..be47d86 100644
--- a/drivers/net/ethernet/smsc/epic100.c
+++ b/drivers/net/ethernet/smsc/epic100.c
@@ -1037,7 +1037,7 @@ static void epic_tx(struct net_device *dev, struct epic_private *ep)
 		skb = ep->tx_skbuff[entry];
 		pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr,
 				 skb->len, PCI_DMA_TODEVICE);
-		dev_kfree_skb_irq(skb);
+		dev_consume_skb_irq(skb);
 		ep->tx_skbuff[entry] = NULL;
 	}
 
-- 
2.7.4