This patch introduces support for retrieving hardware channel
configuration through the ethtool interface.
Signed-off-by: Sathesh B Edara <sedara@marvell.com>
---
Find V1 here:
https://lore.kernel.org/netdev/20250923094120.13133-3-sedara@marvell.com/
V2:
- Corrected channel counts to combined.
.../ethernet/marvell/octeon_ep_vf/octep_vf_ethtool.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_ethtool.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_ethtool.c
index d60441928ba9..241a7e7c7ad2 100644
--- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_ethtool.c
+++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_ethtool.c
@@ -244,6 +244,15 @@ static int octep_vf_get_link_ksettings(struct net_device *netdev,
return 0;
}
+static void octep_vf_get_channels(struct net_device *dev,
+ struct ethtool_channels *channel)
+{
+ struct octep_vf_device *oct = netdev_priv(dev);
+
+ channel->max_combined = CFG_GET_PORTS_MAX_IO_RINGS(oct->conf);
+ channel->combined_count = CFG_GET_PORTS_ACTIVE_IO_RINGS(oct->conf);
+}
+
static const struct ethtool_ops octep_vf_ethtool_ops = {
.get_drvinfo = octep_vf_get_drvinfo,
.get_link = ethtool_op_get_link,
@@ -251,6 +260,7 @@ static const struct ethtool_ops octep_vf_ethtool_ops = {
.get_sset_count = octep_vf_get_sset_count,
.get_ethtool_stats = octep_vf_get_ethtool_stats,
.get_link_ksettings = octep_vf_get_link_ksettings,
+ .get_channels = octep_vf_get_channels,
};
void octep_vf_set_ethtool_ops(struct net_device *netdev)
--
2.36.0