From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: [PATCH net-next 5/9] net: r6040: Check for skb->xmit_more Date: Mon, 4 Jul 2016 14:36:05 -0700 Message-ID: <1467668169-31547-6-git-send-email-f.fainelli@gmail.com> References: <1467668169-31547-1-git-send-email-f.fainelli@gmail.com> Cc: davem@davemloft.net, Florian Fainelli To: netdev@vger.kernel.org Return-path: Received: from mail-oi0-f68.google.com ([209.85.218.68]:34063 "EHLO mail-oi0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932448AbcGDVgS (ORCPT ); Mon, 4 Jul 2016 17:36:18 -0400 Received: by mail-oi0-f68.google.com with SMTP id s17so24991524oih.1 for ; Mon, 04 Jul 2016 14:36:18 -0700 (PDT) In-Reply-To: <1467668169-31547-1-git-send-email-f.fainelli@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Kick the transmission only if this is the last SKB to transmit or the queue is not already stopped. Signed-off-by: Florian Fainelli --- 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