3 files changed, 45 insertions, 5 deletions

diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
index db675512ce4d..31fde3fa7c6b 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
@@ -19,7 +19,7 @@ static int txgbe_set_ringparam(struct net_device *netdev,
 	struct wx *wx = netdev_priv(netdev);
 	u32 new_rx_count, new_tx_count;
 	struct wx_ring *temp_ring;
-	int i;
+	int i, err = 0;
 
 	new_tx_count = clamp_t(u32, ring->tx_pending, WX_MIN_TXD, WX_MAX_TXD);
 	new_tx_count = ALIGN(new_tx_count, WX_REQ_TX_DESCRIPTOR_MULTIPLE);
@@ -31,6 +31,10 @@ static int txgbe_set_ringparam(struct net_device *netdev,
 	    new_rx_count == wx->rx_ring_count)
 		return 0;
 
+	err = wx_set_state_reset(wx);
+	if (err)
+		return err;
+
 	if (!netif_running(wx->netdev)) {
 		for (i = 0; i < wx->num_tx_queues; i++)
 			wx->tx_ring[i]->count = new_tx_count;
@@ -39,14 +43,16 @@ static int txgbe_set_ringparam(struct net_device *netdev,
 		wx->tx_ring_count = new_tx_count;
 		wx->rx_ring_count = new_rx_count;
 
-		return 0;
+		goto clear_reset;
 	}
 
 	/* allocate temporary buffer to store rings in */
 	i = max_t(int, wx->num_tx_queues, wx->num_rx_queues);
 	temp_ring = kvmalloc_array(i, sizeof(struct wx_ring), GFP_KERNEL);
-	if (!temp_ring)
-		return -ENOMEM;
+	if (!temp_ring) {
+		err = -ENOMEM;
+		goto clear_reset;
+	}
 
 	txgbe_down(wx);
 
@@ -55,7 +61,9 @@ static int txgbe_set_ringparam(struct net_device *netdev,
 
 	txgbe_up(wx);
 
-	return 0;
+clear_reset:
+	clear_bit(WX_STATE_RESETTING, wx->state);
+	return err;
 }
 
 static int txgbe_set_channels(struct net_device *dev,
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index bd4624d14ca0..8c7a74981b90 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -269,6 +269,8 @@ static int txgbe_sw_init(struct wx *wx)
 	wx->tx_work_limit = TXGBE_DEFAULT_TX_WORK;
 	wx->rx_work_limit = TXGBE_DEFAULT_RX_WORK;
 
+	wx->do_reset = txgbe_do_reset;
+
 	return 0;
 }
 
@@ -421,6 +423,34 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
 	return 0;
 }
 
+static void txgbe_reinit_locked(struct wx *wx)
+{
+	int err = 0;
+
+	netif_trans_update(wx->netdev);
+
+	err = wx_set_state_reset(wx);
+	if (err) {
+		wx_err(wx, "wait device reset timeout\n");
+		return;
+	}
+
+	txgbe_down(wx);
+	txgbe_up(wx);
+
+	clear_bit(WX_STATE_RESETTING, wx->state);
+}
+
+void txgbe_do_reset(struct net_device *netdev)
+{
+	struct wx *wx = netdev_priv(netdev);
+
+	if (netif_running(netdev))
+		txgbe_reinit_locked(wx);
+	else
+		txgbe_reset(wx);
+}
+
 static const struct net_device_ops txgbe_netdev_ops = {
 	.ndo_open               = txgbe_open,
 	.ndo_stop               = txgbe_close,
@@ -428,6 +458,7 @@ static const struct net_device_ops txgbe_netdev_ops = {
 	.ndo_start_xmit         = wx_xmit_frame,
 	.ndo_set_rx_mode        = wx_set_rx_mode,
 	.ndo_set_features       = wx_set_features,
+	.ndo_fix_features       = wx_fix_features,
 	.ndo_validate_addr      = eth_validate_addr,
 	.ndo_set_mac_address    = wx_set_mac,
 	.ndo_get_stats64        = wx_get_stats64,
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index 1b4ff50d5857..f434a7865cb7 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -134,6 +134,7 @@ extern char txgbe_driver_name[];
 void txgbe_down(struct wx *wx);
 void txgbe_up(struct wx *wx);
 int txgbe_setup_tc(struct net_device *dev, u8 tc);
+void txgbe_do_reset(struct net_device *netdev);
 
 #define NODE_PROP(_NAME, _PROP)			\
 	(const struct software_node) {		\