netdev - [PATCH net-next] eth: fbnic: Add support to read lane count

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Message-ID: <20250924184445.2293325-1-mohsin.bashr@gmail.com>
Date: Wed, 24 Sep 2025 11:44:45 -0700
From: Mohsin Bashir <mohsin.bashr@...il.com>
To: netdev@...r.kernel.org
Cc: alexanderduyck@...com,
	andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	horms@...nel.org,
	kernel-team@...a.com,
	kuba@...nel.org,
	mohsin.bashr@...il.com,
	pabeni@...hat.com,
	vadim.fedorenko@...ux.dev
Subject: [PATCH net-next] eth: fbnic: Add support to read lane count

We are reporting the lane count in the link settings but the flag is not
set to indicate that the driver supports lanes. Set the flag to report
lane count.

 ~]# ethtool eth0 | grep Lanes
	Lanes: 2

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Mohsin Bashir <mohsin.bashr@...il.com>
---
 drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index b4ff98ee2051..f60a2338765c 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -1804,6 +1804,7 @@ fbnic_get_rmon_stats(struct net_device *netdev,
 }
 
 static const struct ethtool_ops fbnic_ethtool_ops = {
+	.cap_link_lanes_supported	= true,
 	.supported_coalesce_params	= ETHTOOL_COALESCE_USECS |
 					  ETHTOOL_COALESCE_RX_MAX_FRAMES,
 	.supported_ring_params		= ETHTOOL_RING_USE_TCP_DATA_SPLIT |
-- 
2.47.3