3.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
This reverts commit 1e918876853aa85435e0f17fd8b4a92dcfff53d6.
Revert BQL support in r8169 driver as several regressions
point to this commit and we cannot figure out the real
cause yet.
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/realtek/r8169.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5067,8 +5067,6 @@ static void rtl_hw_reset(struct rtl8169_
RTL_W8(ChipCmd, CmdReset);
rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
-
- netdev_reset_queue(tp->dev);
}
static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
@@ -7089,8 +7087,6 @@ static netdev_tx_t rtl8169_start_xmit(st
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 */
@@ -7192,7 +7188,6 @@ static void rtl8169_pcierr_interrupt(str
static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
{
unsigned int dirty_tx, tx_left;
- unsigned int bytes_compl = 0, pkts_compl = 0;
dirty_tx = tp->dirty_tx;
smp_rmb();
@@ -7216,8 +7211,10 @@ static void rtl_tx(struct net_device *de
rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
tp->TxDescArray + entry);
if (status & LastFrag) {
- pkts_compl++;
- bytes_compl += tx_skb->skb->len;
+ u64_stats_update_begin(&tp->tx_stats.syncp);
+ tp->tx_stats.packets++;
+ tp->tx_stats.bytes += tx_skb->skb->len;
+ u64_stats_update_end(&tp->tx_stats.syncp);
dev_kfree_skb_any(tx_skb->skb);
tx_skb->skb = NULL;
}
@@ -7226,13 +7223,6 @@ static void rtl_tx(struct net_device *de
}
if (tp->dirty_tx != dirty_tx) {
- netdev_completed_queue(tp->dev, pkts_compl, bytes_compl);
-
- u64_stats_update_begin(&tp->tx_stats.syncp);
- tp->tx_stats.packets += pkts_compl;
- tp->tx_stats.bytes += bytes_compl;
- u64_stats_update_end(&tp->tx_stats.syncp);
-
tp->dirty_tx = dirty_tx;
/* Sync with rtl8169_start_xmit:
* - publish dirty_tx ring index (write barrier)
--
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