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

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Message-Id: <1549987013-5096-1-git-send-email-albin_yang@163.com>
Date:   Tue, 12 Feb 2019 23:56:53 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: fealnx: 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 intr_handler() when skb
xmit done. It makes drop profiles(dropwatch, perf) more friendly.

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

diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c
index ae55da6..c24fd56 100644
--- a/drivers/net/ethernet/fealnx.c
+++ b/drivers/net/ethernet/fealnx.c
@@ -1531,7 +1531,7 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
 			/* Free the original skb. */
 			pci_unmap_single(np->pci_dev, np->cur_tx->buffer,
 				np->cur_tx->skbuff->len, PCI_DMA_TODEVICE);
-			dev_kfree_skb_irq(np->cur_tx->skbuff);
+			dev_consume_skb_irq(np->cur_tx->skbuff);
 			np->cur_tx->skbuff = NULL;
 			--np->really_tx_count;
 			if (np->cur_tx->control & TXLD) {
-- 
2.7.4