linux-kernel - [PATCH net-next 9/9] net: sfc: falcon: convert to use .get_rx_ring

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Message-Id: <20260121-grxring_big_v4-v1-9-07655be56bcf@debian.org>
Date: Wed, 21 Jan 2026 07:54:46 -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>, 
 Igor Russkikh <irusskikh@...vell.com>, Simon Horman <horms@...nel.org>, 
 "K. Y. Srinivasan" <kys@...rosoft.com>, 
 Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu <wei.liu@...nel.org>, 
 Dexuan Cui <decui@...rosoft.com>, Long Li <longli@...rosoft.com>, 
 Alexander Duyck <alexanderduyck@...com>, kernel-team@...a.com, 
 Edward Cree <ecree.xilinx@...il.com>, Brett Creeley <brett.creeley@....com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 oss-drivers@...igine.com, linux-hyperv@...r.kernel.org, 
 linux-net-drivers@....com, Breno Leitao <leitao@...ian.org>
Subject: [PATCH net-next 9/9] net: sfc: falcon: 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/sfc/falcon/ethtool.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/sfc/falcon/ethtool.c b/drivers/net/ethernet/sfc/falcon/ethtool.c
index 27d1cd6f24ca1..0493640315454 100644
--- a/drivers/net/ethernet/sfc/falcon/ethtool.c
+++ b/drivers/net/ethernet/sfc/falcon/ethtool.c
@@ -974,6 +974,13 @@ ef4_ethtool_get_rxfh_fields(struct net_device *net_dev,
 	return 0;
 }

+static u32 ef4_ethtool_get_rx_ring_count(struct net_device *net_dev)
+{
+	struct ef4_nic *efx = netdev_priv(net_dev);
+
+	return efx->n_rx_channels;
+}
+
 static int
 ef4_ethtool_get_rxnfc(struct net_device *net_dev,
 		      struct ethtool_rxnfc *info, u32 *rule_locs)
@@ -981,10 +988,6 @@ ef4_ethtool_get_rxnfc(struct net_device *net_dev,
 	struct ef4_nic *efx = netdev_priv(net_dev);

 	switch (info->cmd) {
-	case ETHTOOL_GRXRINGS:
-		info->data = efx->n_rx_channels;
-		return 0;
-
 	case ETHTOOL_GRXCLSRLCNT:
 		info->data = ef4_filter_get_rx_id_limit(efx);
 		if (info->data == 0)
@@ -1348,6 +1351,7 @@ const struct ethtool_ops ef4_ethtool_ops = {
 	.reset			= ef4_ethtool_reset,
 	.get_rxnfc		= ef4_ethtool_get_rxnfc,
 	.set_rxnfc		= ef4_ethtool_set_rxnfc,
+	.get_rx_ring_count	= ef4_ethtool_get_rx_ring_count,
 	.get_rxfh_indir_size	= ef4_ethtool_get_rxfh_indir_size,
 	.get_rxfh		= ef4_ethtool_get_rxfh,
 	.set_rxfh		= ef4_ethtool_set_rxfh,

-- 
2.47.3