[PATCH net-next 5/9] net: r6040: Check for skb->xmit_more
From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2016-07-04 21:36:18
Subsystem:
networking drivers, rdc r6040 fast ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Florian Fainelli, Linus Torvalds
Kick the transmission only if this is the last SKB to transmit or the queue is not already stopped. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- drivers/net/ethernet/rdc/r6040.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 4bf78f18a937..96b2d639c3c1 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c@@ -840,7 +840,8 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb, skb_tx_timestamp(skb); /* Trigger the MAC to check the TX descriptor */ - iowrite16(TM2TX, ioaddr + MTPR); + if (!skb->xmit_more || netif_queue_stopped(dev)) + iowrite16(TM2TX, ioaddr + MTPR); lp->tx_insert_ptr = descptr->vndescp; /* If no tx resource, stop */
--
2.7.4