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

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Date:   Thu, 14 Feb 2019 22:50:58 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, michal.simek@...inx.com, anirudh@...inx.com,
        John.Linn@...inx.com, radhey.shyam.pandey@...inx.com,
        andrew@...n.ch, yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: xilinx: 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 when skb xmit done. It makes
drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/xilinx/ll_temac_main.c       | 2 +-
 drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 +-
 drivers/net/ethernet/xilinx/xilinx_emaclite.c     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 15bb058..44efffb 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -630,7 +630,7 @@ static void temac_start_xmit_done(struct net_device *ndev)
 		dma_unmap_single(ndev->dev.parent, cur_p->phys, cur_p->len,
 				 DMA_TO_DEVICE);
 		if (cur_p->app4)
-			dev_kfree_skb_irq((struct sk_buff *)cur_p->app4);
+			dev_consume_skb_irq((struct sk_buff *)cur_p->app4);
 		cur_p->app0 = 0;
 		cur_p->app1 = 0;
 		cur_p->app2 = 0;
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 0789d8a..ec7e7ec 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -595,7 +595,7 @@ static void axienet_start_xmit_done(struct net_device *ndev)
 				(cur_p->cntrl & XAXIDMA_BD_CTRL_LENGTH_MASK),
 				DMA_TO_DEVICE);
 		if (cur_p->app4)
-			dev_kfree_skb_irq((struct sk_buff *)cur_p->app4);
+			dev_consume_skb_irq((struct sk_buff *)cur_p->app4);
 		/*cur_p->phys = 0;*/
 		cur_p->app0 = 0;
 		cur_p->app1 = 0;
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 639e3e9..b03a417 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -581,7 +581,7 @@ static void xemaclite_tx_handler(struct net_device *dev)
 		return;
 
 	dev->stats.tx_bytes += lp->deferred_skb->len;
-	dev_kfree_skb_irq(lp->deferred_skb);
+	dev_consume_skb_irq(lp->deferred_skb);
 	lp->deferred_skb = NULL;
 	netif_trans_update(dev); /* prevent tx timeout */
 	netif_wake_queue(dev);
-- 
2.7.4