From 0bec3b700d106a8b0a34227b2976d1a582f1aab7 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Wed, 7 Jan 2015 10:49:49 +0100 Subject: r8169: add support for xmit_more Delay update of hw tail descriptor if we know that another skb is going to be sent. Signed-off-by: Florian Westphal Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers/net/ethernet/realtek') diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 14a1c5c..3a28059 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -7049,6 +7049,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, u32 status, len; u32 opts[2]; int frags; + bool stop_queue; if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) { netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n"); @@ -7105,11 +7106,16 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, tp->cur_tx += frags + 1; - RTL_W8(TxPoll, NPQ); + stop_queue = !TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS); - mmiowb(); + if (!skb->xmit_more || stop_queue || + netif_xmit_stopped(netdev_get_tx_queue(dev, 0))) { + RTL_W8(TxPoll, NPQ); + + mmiowb(); + } - if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { + if (stop_queue) { /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must * not miss a ring update when it notices a stopped queue. */ -- cgit v1.1 From df8a39defad46b83694ea6dd868d332976d62cc0 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Tue, 13 Jan 2015 17:13:44 +0100 Subject: net: rename vlan_tx_* helpers since "tx" is misleading there The same macros are used for rx as well. So rename it. Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/8139cp.c | 4 ++-- drivers/net/ethernet/realtek/r8169.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/net/ethernet/realtek') diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 9c31e46..d79e33b 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -708,8 +708,8 @@ static void cp_tx (struct cp_private *cp) static inline u32 cp_tx_vlan_tag(struct sk_buff *skb) { - return vlan_tx_tag_present(skb) ? - TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; + return skb_vlan_tag_present(skb) ? + TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00; } static void unwind_tx_frag_mapping(struct cp_private *cp, struct sk_buff *skb, diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 3a28059..cd286b0 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -2073,8 +2073,8 @@ static int rtl8169_set_features(struct net_device *dev, static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb) { - return (vlan_tx_tag_present(skb)) ? - TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; + return (skb_vlan_tag_present(skb)) ? + TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00; } static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb) -- cgit v1.1