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: Mohsin Bashir <mohsin.bashr@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250924184445.2293325-1-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index d55d2ac1c3b9cce330af24f7d8ccf8fc4c3d16e3..a1c2db69b198a0a8ecb0d5429e0f3620e3fcc375 100644 (file)
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -1864,6 +1864,7 @@ 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 |