[PATCH net] net: packetengines: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

[PATCH net] net: packetengines: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

[Yang Wei]

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

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>
---
 drivers/net/ethernet/packetengines/hamachi.c   | 2 +-
 drivers/net/ethernet/packetengines/yellowfin.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/packetengines/hamachi.c b/drivers/net/ethernet/packetengines/hamachi.c
index c9529c2..eee883a 100644
--- a/drivers/net/ethernet/packetengines/hamachi.c
+++ b/drivers/net/ethernet/packetengines/hamachi.c
@@ -1337,7 +1337,7 @@ static irqreturn_t hamachi_interrupt(int irq, void *dev_instance)
 							leXX_to_cpu(hmp->tx_ring[entry].addr),
 							skb->len,
 							PCI_DMA_TODEVICE);
-						dev_kfree_skb_irq(skb);
+						dev_consume_skb_irq(skb);
 						hmp->tx_skbuff[entry] = NULL;
 					}
 					hmp->tx_ring[entry].status_n_length = 0;
diff --git a/drivers/net/ethernet/packetengines/yellowfin.c b/drivers/net/ethernet/packetengines/yellowfin.c
index 54224d1..6f8d658 100644
--- a/drivers/net/ethernet/packetengines/yellowfin.c
+++ b/drivers/net/ethernet/packetengines/yellowfin.c
@@ -925,7 +925,7 @@ static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance)
 			/* Free the original skb. */
 			pci_unmap_single(yp->pci_dev, le32_to_cpu(yp->tx_ring[entry].addr),
 				skb->len, PCI_DMA_TODEVICE);
-			dev_kfree_skb_irq(skb);
+			dev_consume_skb_irq(skb);
 			yp->tx_skbuff[entry] = NULL;
 		}
 		if (yp->tx_full &&
@@ -983,7 +983,7 @@ static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance)
 				pci_unmap_single(yp->pci_dev,
 					yp->tx_ring[entry<<1].addr, skb->len,
 					PCI_DMA_TODEVICE);
-				dev_kfree_skb_irq(skb);
+				dev_consume_skb_irq(skb);
 				yp->tx_skbuff[entry] = 0;
 				/* Mark status as empty. */
 				yp->tx_status[entry].tx_errs = 0;
-- 
2.7.4

Re: [PATCH net] net: packetengines: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

[David Miller]

From: Yang Wei <albin_yang@163.com>
Date: Thu, 14 Feb 2019 22:52:28 +0800

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

Applied.