Reset and reinitialize the device when the tx timeout occurs.
Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 41 +++++++++++++++++++++++++++++++----------
1 file changed, 31 insertions(+), 10 deletions(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 6c0ec37..2de8ce4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1764,16 +1764,6 @@ static void rtl_drop_queued_tx(struct r8152 *tp)
}
}
-static void rtl8152_tx_timeout(struct net_device *netdev)
-{
- struct r8152 *tp = netdev_priv(netdev);
- int i;
-
- netif_warn(tp, tx_err, netdev, "Tx timeout\n");
- for (i = 0; i < RTL8152_MAX_TX; i++)
- usb_unlink_urb(tp->tx_info[i].urb);
-}
-
static void rtl8152_set_rx_mode(struct net_device *netdev)
{
struct r8152 *tp = netdev_priv(netdev);
@@ -3150,6 +3140,37 @@ out:
return res;
}
+static void rtl8152_tx_timeout(struct net_device *netdev)
+{
+ struct r8152 *tp = netdev_priv(netdev);
+
+ netif_warn(tp, tx_err, netdev, "Tx timeout\n");
+
+ if (usb_autopm_get_interface(tp->intf) < 0)
+ return;
+
+ netif_stop_queue(netdev);
+ clear_bit(WORK_ENABLE, &tp->flags);
+ usb_kill_urb(tp->intr_urb);
+ cancel_delayed_work_sync(&tp->schedule);
+ tp->rtl_ops.down(tp);
+
+ usb_reset_device(tp->udev);
+
+ tp->rtl_ops.init(tp);
+ tp->rtl_ops.up(tp);
+ rtl8152_set_speed(tp, AUTONEG_ENABLE,
+ tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
+ DUPLEX_FULL);
+ tp->speed = 0;
+ netif_carrier_off(netdev);
+ netif_start_queue(netdev);
+ set_bit(WORK_ENABLE, &tp->flags);
+ usb_submit_urb(tp->intr_urb, GFP_KERNEL);
+
+ usb_autopm_put_interface(tp->intf);
+}
+
static const struct net_device_ops rtl8152_netdev_ops = {
.ndo_open = rtl8152_open,
.ndo_stop = rtl8152_close,
--
1.8.4.2
--
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