netdev - [RFC PATCH 1/3] net: macb: use netdev_tx_t return type for ndo_start

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Message-ID: <1531918689-22658-2-git-send-email-claudiu.beznea@microchip.com>
Date:   Wed, 18 Jul 2018 15:58:07 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <jennifer.dahm@...com>,
        <nathan.sullivan@...com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [RFC PATCH 1/3] net: macb: use netdev_tx_t return type for ndo_start_xmit functions

Use netdev_tx_t return type for ndo_start_xmit function of macb driver.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 drivers/net/ethernet/cadence/macb_main.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 96cc03a6d942..860436474c3e 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1651,7 +1651,7 @@ static inline int macb_clear_csum(struct sk_buff *skb)
 	return 0;
 }
 
-static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	u16 queue_index = skb_get_queue_mapping(skb);
 	struct macb *bp = netdev_priv(dev);
@@ -1660,6 +1660,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	unsigned int desc_cnt, nr_frags, frag_size, f;
 	unsigned int hdrlen;
 	bool is_lso, is_udp = 0;
+	netdev_tx_t ret = NETDEV_TX_OK;
 
 	is_lso = (skb_shinfo(skb)->gso_size != 0);
 
@@ -1739,7 +1740,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 unlock:
 	spin_unlock_irqrestore(&bp->lock, flags);
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static void macb_init_rx_buffer_size(struct macb *bp, size_t size)
@@ -3547,7 +3548,8 @@ static int at91ether_close(struct net_device *dev)
 }
 
 /* Transmit packet */
-static int at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t at91ether_start_xmit(struct sk_buff *skb,
+					struct net_device *dev)
 {
 	struct macb *lp = netdev_priv(dev);
 
-- 
2.7.4