[PATCH V2 net 1/8] net/mlx5: Base ECVF devlink port attrs from 0

Mark Bloch
2025-08-20T13:32:59Z

From: Daniel Jurgens <danielj@nvidia.com>

Adjust the vport number by the base ECVF vport number so the port
attributes start at 0. Previously the port attributes would start 1
after the maximum number of host VFs.

Fixes: dc13180824b7 ("net/mlx5: Enable devlink port for embedded cpu VF vports")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
index b7102e14d23d..c33accadae0f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
@@ -47,10 +47,12 @@ static void mlx5_esw_offloads_pf_vf_devlink_port_attrs_set(struct mlx5_eswitch *
devlink_port_attrs_pci_vf_set(dl_port, controller_num, pfnum,
vport_num - 1, external);
} else if (mlx5_core_is_ec_vf_vport(esw->dev, vport_num)) {
+ u16 base_vport = mlx5_core_ec_vf_vport_base(dev);
+
memcpy(dl_port->attrs.switch_id.id, ppid.id, ppid.id_len);
dl_port->attrs.switch_id.id_len = ppid.id_len;
devlink_port_attrs_pci_vf_set(dl_port, 0, pfnum,
- vport_num - 1, false);
+ vport_num - base_vport, false);
}
}

--
2.34.1