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net: natsemi: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

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

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yang Wei 2019-02-13 23:19:14 +08:00 committed by David S. Miller
parent 105cfb064b
commit 380ab7e3d5
3 changed files with 3 additions and 3 deletions
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2
drivers/net/ethernet/natsemi/natsemi.c
View File

@ -2173,7 +2173,7 @@ static void netdev_tx_done(struct net_device *dev)
np->tx_skbuff[entry]->len,
PCI_DMA_TODEVICE);
/* Free the original skb. */
dev_kfree_skb_irq(np->tx_skbuff[entry]);
dev_consume_skb_irq(np->tx_skbuff[entry]);
np->tx_skbuff[entry] = NULL;
}
if (netif_queue_stopped(dev) &&

2
drivers/net/ethernet/natsemi/ns83820.c
View File

@ -1003,7 +1003,7 @@ static void do_tx_done(struct net_device *ndev)
addr,
len,
PCI_DMA_TODEVICE);
dev_kfree_skb_irq(skb);
dev_consume_skb_irq(skb);
atomic_dec(&dev->nr_tx_skbs);
} else
pci_unmap_page(dev->pci_dev,

2
drivers/net/ethernet/natsemi/sonic.c
View File

@ -328,7 +328,7 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
}
/* We must free the original skb */
dev_kfree_skb_irq(lp->tx_skb[entry]);
dev_consume_skb_irq(lp->tx_skb[entry]);
lp->tx_skb[entry] = NULL;
/* and unmap DMA buffer */
dma_unmap_single(lp->device, lp->tx_laddr[entry], lp->tx_len[entry], DMA_TO_DEVICE);