netdev - [PATCH net-next 5/9] net: lan743x: convert to use .get_rx_ring

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Message-Id: <20260115-grxring_big_v2-v1-5-b3e1b58bced5@debian.org>
Date: Thu, 15 Jan 2026 06:37:52 -0800
From: Breno Leitao <leitao@...ian.org>
To: Ajit Khaparde <ajit.khaparde@...adcom.com>, 
 Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>, 
 Somnath Kotur <somnath.kotur@...adcom.com>, 
 Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Felix Fietkau <nbd@....name>, Sean Wang <sean.wang@...iatek.com>, 
 Lorenzo Bianconi <lorenzo@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Shay Agroskin <shayagr@...zon.com>, Arthur Kiyanovski <akiyano@...zon.com>, 
 David Arinzon <darinzon@...zon.com>, Saeed Bishara <saeedb@...zon.com>, 
 Bryan Whitehead <bryan.whitehead@...rochip.com>, 
 UNGLinuxDriver@...rochip.com, Shyam Sundar S K <Shyam-sundar.S-k@....com>, 
 Raju Rangoju <Raju.Rangoju@....com>, 
 Potnuri Bharat Teja <bharat@...lsio.com>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Jiawen Wu <jiawenwu@...stnetic.com>, 
 Mengyuan Lou <mengyuanlou@...-swift.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Breno Leitao <leitao@...ian.org>
Subject: [PATCH net-next 5/9] net: lan743x: convert to use
 .get_rx_ring_count

Use the newly introduced .get_rx_ring_count ethtool ops callback instead
of handling ETHTOOL_GRXRINGS directly in .get_rxnfc().

Since ETHTOOL_GRXRINGS was the only command handled by
lan743x_ethtool_get_rxnfc(), remove the function entirely.

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
 drivers/net/ethernet/microchip/lan743x_ethtool.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
index 40002d9fe274..8a3c1ecc7866 100644
--- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
@@ -931,16 +931,9 @@ static int lan743x_ethtool_get_rxfh_fields(struct net_device *netdev,
 	return 0;
 }

-static int lan743x_ethtool_get_rxnfc(struct net_device *netdev,
-				     struct ethtool_rxnfc *rxnfc,
-				     u32 *rule_locs)
+static u32 lan743x_ethtool_get_rx_ring_count(struct net_device *netdev)
 {
-	switch (rxnfc->cmd) {
-	case ETHTOOL_GRXRINGS:
-		rxnfc->data = LAN743X_USED_RX_CHANNELS;
-		return 0;
-	}
-	return -EOPNOTSUPP;
+	return LAN743X_USED_RX_CHANNELS;
 }

 static u32 lan743x_ethtool_get_rxfh_key_size(struct net_device *netdev)
@@ -1369,7 +1362,7 @@ const struct ethtool_ops lan743x_ethtool_ops = {
 	.get_priv_flags = lan743x_ethtool_get_priv_flags,
 	.set_priv_flags = lan743x_ethtool_set_priv_flags,
 	.get_sset_count = lan743x_ethtool_get_sset_count,
-	.get_rxnfc = lan743x_ethtool_get_rxnfc,
+	.get_rx_ring_count = lan743x_ethtool_get_rx_ring_count,
 	.get_rxfh_key_size = lan743x_ethtool_get_rxfh_key_size,
 	.get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size,
 	.get_rxfh = lan743x_ethtool_get_rxfh,

-- 
2.47.3