diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2018-11-25 14:31:54 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-25 10:18:13 -0800 |
| commit | 2e6eedb4813e34d8d84ac0eb3afb668966f3f356 (patch) | |
| tree | a60c43eab89a279e8b18b7b759c35662af3e29ae /drivers/net | |
| parent | 620344c43edfa020bbadfd81a144ebe5181fc94f (diff) | |
| download | linux-2e6eedb4813e34d8d84ac0eb3afb668966f3f356.tar.bz2 | |
r8169: make use of xmit_more and __netdev_sent_queue
Make use of xmit_more and add the functionality introduced with
3e59020abf0f ("net: bql: add __netdev_tx_sent_queue()").
I used the mlx4 driver as template.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 12811f18c134..3624e67aef72 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -6069,6 +6069,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, struct device *d = tp_to_dev(tp); dma_addr_t mapping; u32 opts[2], len; + bool stop_queue; int frags; if (unlikely(!rtl_tx_slots_avail(tp, skb_shinfo(skb)->nr_frags))) { @@ -6110,8 +6111,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, txd->opts2 = cpu_to_le32(opts[1]); - netdev_sent_queue(dev, skb->len); - skb_tx_timestamp(skb); /* Force memory writes to complete before releasing descriptor */ @@ -6124,16 +6123,16 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, tp->cur_tx += frags + 1; - RTL_W8(tp, TxPoll, NPQ); + stop_queue = !rtl_tx_slots_avail(tp, MAX_SKB_FRAGS); + if (unlikely(stop_queue)) + netif_stop_queue(dev); - mmiowb(); + if (__netdev_sent_queue(dev, skb->len, skb->xmit_more)) { + RTL_W8(tp, TxPoll, NPQ); + mmiowb(); + } - if (!rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) { - /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must - * not miss a ring update when it notices a stopped queue. - */ - smp_wmb(); - netif_stop_queue(dev); + if (unlikely(stop_queue)) { /* Sync with rtl_tx: * - publish queue status and cur_tx ring index (write barrier) * - refresh dirty_tx ring index (read barrier). |