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-rw-r--r--drivers/net/r8169.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index d9bb51bb4b9..c921ec32c23 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2570,6 +2570,15 @@ static void rtl8169_tx_interrupt(struct net_device *dev,
(TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
netif_wake_queue(dev);
}
+ /*
+ * 8168 hack: TxPoll requests are lost when the Tx packets are
+ * too close. Let's kick an extra TxPoll request when a burst
+ * of start_xmit activity is detected (if it is not detected,
+ * it is slow enough). -- FR
+ */
+ smp_rmb();
+ if (tp->cur_tx != dirty_tx)
+ RTL_W8(TxPoll, NPQ);
}
}