r8169: workaround against ignored TxPoll writes (8168)

[linux-2.6-omap-h63xx.git] / drivers / net / r8169.c

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 631e55dbbdd06aa67c8c982fe68eb8296e66452e..c921ec32c232cb265323f9075a2daf27275e188b 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1072,7 +1072,6 @@ static const struct ethtool_ops rtl8169_ethtool_ops = {
        .get_strings            = rtl8169_get_strings,
        .get_stats_count        = rtl8169_get_stats_count,
        .get_ethtool_stats      = rtl8169_get_ethtool_stats,
-       .get_perm_addr          = ethtool_op_get_perm_addr,
 };
 
 static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg,
@@ -1229,7 +1228,10 @@ static void rtl8169_hw_phy_config(struct net_device *dev)
                return;
        }
 
-       /* phy config for RTL8169s mac_version C chip */
+       if ((tp->mac_version != RTL_GIGA_MAC_VER_02) &&
+           (tp->mac_version != RTL_GIGA_MAC_VER_03))
+               return;
+
        mdio_write(ioaddr, 31, 0x0001);                 //w 31 2 0 1
        mdio_write(ioaddr, 21, 0x1000);                 //w 21 15 0 1000
        mdio_write(ioaddr, 24, 0x65c7);                 //w 24 15 0 65c7
@@ -2568,6 +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);
        }
 }