netdev - [PATCH net-next 3/9] net: mediatek: convert to use .get_rx_ring

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Message-Id: <20260115-grxring_big_v2-v1-3-b3e1b58bced5@debian.org>
Date: Thu, 15 Jan 2026 06:37:50 -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 3/9] net: mediatek: 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().

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index e68997a29191..99abec2198d0 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4625,18 +4625,20 @@ static void mtk_get_ethtool_stats(struct net_device *dev,
 	} while (u64_stats_fetch_retry(&hwstats->syncp, start));
 }

+static u32 mtk_get_rx_ring_count(struct net_device *dev)
+{
+	if (dev->hw_features & NETIF_F_LRO)
+		return MTK_MAX_RX_RING_NUM;
+
+	return 0;
+}
+
 static int mtk_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 			 u32 *rule_locs)
 {
 	int ret = -EOPNOTSUPP;

 	switch (cmd->cmd) {
-	case ETHTOOL_GRXRINGS:
-		if (dev->hw_features & NETIF_F_LRO) {
-			cmd->data = MTK_MAX_RX_RING_NUM;
-			ret = 0;
-		}
-		break;
 	case ETHTOOL_GRXCLSRLCNT:
 		if (dev->hw_features & NETIF_F_LRO) {
 			struct mtk_mac *mac = netdev_priv(dev);
@@ -4741,6 +4743,7 @@ static const struct ethtool_ops mtk_ethtool_ops = {
 	.set_pauseparam		= mtk_set_pauseparam,
 	.get_rxnfc		= mtk_get_rxnfc,
 	.set_rxnfc		= mtk_set_rxnfc,
+	.get_rx_ring_count	= mtk_get_rx_ring_count,
 	.get_eee		= mtk_get_eee,
 	.set_eee		= mtk_set_eee,
 };

-- 
2.47.3