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authorFlorian Fainelli <f.fainelli@gmail.com>2016-07-05 00:36:05 +0300
committerDavid S. Miller <davem@davemloft.net>2016-07-05 10:10:29 +0300
commit9507ffc2acf04c9b1aa02e346225d268c07d79f0 (patch)
tree2bc7d9d77c1a0ebaa67da84ddea45d5d2db789dc /drivers
parent58e6b056b0daa8f0287061cff2989e9d5e9a9b7c (diff)
downloadlinux-9507ffc2acf04c9b1aa02e346225d268c07d79f0.tar.xz
net: r6040: Check for skb->xmit_more
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/rdc/r6040.c3
1 files changed, 2 insertions, 1 deletions
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 */