[PATCH net-next v14 7/7] r8169: add get_channel support for ethtool

[javen <javen_xu@realsil.com.cn>]

From: Javen Xu <javen_xu@realsil.com.cn>

Add get_channel support for ethtool.

Signed-off-by: Javen Xu <javen_xu@realsil.com.cn>
---
Changes in v11:
 - new file, no change

Changes in v12:
 - no changes

Changes in v13:
 - no changes

Changes in v14:
 - no changes
---
 drivers/net/ethernet/realtek/r8169_main.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 3be6f6e708f2..7a61c2ecc7d1 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -6713,6 +6713,22 @@ static void r8169_init_napi(struct rtl8169_private *tp)
 	}
 }
 
+static void rtl8169_get_channels(struct net_device *dev,
+				 struct ethtool_channels *ch)
+{
+	struct rtl8169_private *tp = netdev_priv(dev);
+
+	if (tp->irq_nvecs > 1) {
+		ch->max_rx = tp->hw_supp_num_rx_queues;
+		ch->max_tx = 1;
+		ch->rx_count = tp->num_rx_rings;
+		ch->tx_count = 1;
+	} else {
+		ch->max_combined = 1;
+		ch->combined_count = 1;
+	}
+}
+
 static const struct ethtool_ops rtl8169_ethtool_ops = {
 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
 				     ETHTOOL_COALESCE_MAX_FRAMES,
@@ -6731,6 +6747,7 @@ static const struct ethtool_ops rtl8169_ethtool_ops = {
 	.nway_reset		= rtl8169_nway_reset,
 	.get_eee		= rtl8169_get_eee,
 	.set_eee		= rtl8169_set_eee,
+	.get_channels		= rtl8169_get_channels,
 	.get_link_ksettings	= rtl8169_get_link_ksettings,
 	.set_link_ksettings	= rtl8169_set_link_ksettings,
 	.get_ringparam		= rtl8169_get_ringparam,
-- 
2.43.0