From: Mark Bloch <mbloch@nvidia.com>
Date: Sun, 27 Feb 2022 13:45:59 +0000
Subject: net/mlx5: Lag, store number of ports inside lag object
Patch-mainline: v5.19-rc1
Git-commit: e9d5bb51c592d0275b00a52ce3d8fe8457501ce6
References: jsc#PED-1549
Store the number of lag ports inside the lag object. Lag object is a single
shared object managing the lag state of multiple mlx5 devices on the same
physical HCA.
Downstream patches will allow hardware lag to be created over devices with
more than 2 ports.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 1 +
drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h | 1 +
2 files changed, 2 insertions(+)
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -164,6 +164,7 @@ static struct mlx5_lag *mlx5_lag_dev_all
if (err)
mlx5_core_err(dev, "Failed to init multipath lag err=%d\n",
err);
+ ldev->ports = MLX5_CAP_GEN(dev, num_lag_ports);
return ldev;
}
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h
@@ -45,6 +45,7 @@ struct lag_tracker {
*/
struct mlx5_lag {
u8 flags;
+ u8 ports;
int mode_changes_in_progress;
bool shared_fdb;
u8 v2p_map[MLX5_MAX_PORTS];