netdev - [PATCH] ucc_geth: Add BQL support

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Message-Id: <20180619163036.20578-1-joakim.tjernlund@infinera.com>
Date:   Tue, 19 Jun 2018 18:30:36 +0200
From:   Joakim Tjernlund <joakim.tjernlund@...inera.com>
To:     Li Yang <leoyang.li@....com>, netdev@...r.kernel.org
Cc:     Joakim Tjernlund <joakim.tjernlund@...inera.com>
Subject: [PATCH] ucc_geth: Add BQL support

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@...inera.com>
---
 drivers/net/ethernet/freescale/ucc_geth.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index f77ba9fa257b..6c99a9af6647 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3096,6 +3096,7 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	ugeth_vdbg("%s: IN", __func__);
 
+	netdev_sent_queue(dev, skb->len);
 	spin_lock_irqsave(&ugeth->lock, flags);
 
 	dev->stats.tx_bytes += skb->len;
@@ -3242,6 +3243,8 @@ static int ucc_geth_tx(struct net_device *dev, u8 txQ)
 	struct ucc_geth_private *ugeth = netdev_priv(dev);
 	u8 __iomem *bd;		/* BD pointer */
 	u32 bd_status;
+	int howmany = 0;
+	unsigned int bytes_sent = 0;
 
 	bd = ugeth->confBd[txQ];
 	bd_status = in_be32((u32 __iomem *)bd);
@@ -3257,7 +3260,8 @@ static int ucc_geth_tx(struct net_device *dev, u8 txQ)
 		skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]];
 		if (!skb)
 			break;
-
+		howmany++;
+		bytes_sent += skb->len;
 		dev->stats.tx_packets++;
 
 		dev_consume_skb_any(skb);
@@ -3279,6 +3283,7 @@ static int ucc_geth_tx(struct net_device *dev, u8 txQ)
 		bd_status = in_be32((u32 __iomem *)bd);
 	}
 	ugeth->confBd[txQ] = bd;
+	netdev_completed_queue(dev, howmany, bytes_sent);
 	return 0;
 }
 
-- 
2.13.6