[PATCH net-next v3 6/9] net: wangxun: move ethtool_ops.set_channels into libwx

[Jiawen Wu <jiawenwu@trustnetic.com>]

Since function ops wx->setup_tc() is set in txgbe and ngbe,
ethtool_ops.set_channels can be implemented in libwx to reduce
duplicated code.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/ethernet/wangxun/libwx/wx_ethtool.c   |  2 +-
 drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c  | 15 +--------------
 .../net/ethernet/wangxun/txgbe/txgbe_ethtool.c    | 15 +--------------
 3 files changed, 3 insertions(+), 29 deletions(-)

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
index 9fd8cbe62f0c..27221e259aad 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
@@ -556,7 +556,7 @@ int wx_set_channels(struct net_device *dev,
 
 	wx->ring_feature[RING_F_RSS].limit = count;
 
-	return 0;
+	return wx->setup_tc(dev, netdev_get_num_tc(dev));
 }
 EXPORT_SYMBOL(wx_set_channels);
 
diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
index b86980c2418f..c37d108a85a1 100644
--- a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
@@ -67,19 +67,6 @@ static int ngbe_set_ringparam(struct net_device *netdev,
 	return err;
 }
 
-static int ngbe_set_channels(struct net_device *dev,
-			     struct ethtool_channels *ch)
-{
-	int err;
-
-	err = wx_set_channels(dev, ch);
-	if (err < 0)
-		return err;
-
-	/* use setup TC to update any traffic class queue mapping */
-	return ngbe_setup_tc(dev, netdev_get_num_tc(dev));
-}
-
 static const struct ethtool_ops ngbe_ethtool_ops = {
 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
 				     ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ |
@@ -103,7 +90,7 @@ static const struct ethtool_ops ngbe_ethtool_ops = {
 	.get_coalesce		= wx_get_coalesce,
 	.set_coalesce		= wx_set_coalesce,
 	.get_channels		= wx_get_channels,
-	.set_channels		= ngbe_set_channels,
+	.set_channels		= wx_set_channels,
 	.get_rxfh_fields	= wx_get_rxfh_fields,
 	.set_rxfh_fields	= wx_set_rxfh_fields,
 	.get_rxfh_indir_size	= wx_rss_indir_size,
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
index c92eb71e0c15..fc5d98f38f66 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
@@ -91,19 +91,6 @@ static int txgbe_set_ringparam(struct net_device *netdev,
 	return err;
 }
 
-static int txgbe_set_channels(struct net_device *dev,
-			      struct ethtool_channels *ch)
-{
-	int err;
-
-	err = wx_set_channels(dev, ch);
-	if (err < 0)
-		return err;
-
-	/* use setup TC to update any traffic class queue mapping */
-	return txgbe_setup_tc(dev, netdev_get_num_tc(dev));
-}
-
 static int txgbe_get_ethtool_fdir_entry(struct txgbe *txgbe,
 					struct ethtool_rxnfc *cmd)
 {
@@ -589,7 +576,7 @@ static const struct ethtool_ops txgbe_ethtool_ops = {
 	.get_coalesce		= wx_get_coalesce,
 	.set_coalesce		= wx_set_coalesce,
 	.get_channels		= wx_get_channels,
-	.set_channels		= txgbe_set_channels,
+	.set_channels		= wx_set_channels,
 	.get_rxnfc		= txgbe_get_rxnfc,
 	.set_rxnfc		= txgbe_set_rxnfc,
 	.get_rx_ring_count	= txgbe_get_rx_ring_count,
-- 
2.48.1