diff options
| author | Or Har-Toov <ohartoov@nvidia.com> | 2025-12-18 18:58:20 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2026-01-05 10:38:44 +0300 |
| commit | f0b2fde98065e49795ce6824837b3f53fdf16e5d (patch) | |
| tree | 885b644459cb7e2eccc7b957be43af1422b5a7d2 | |
| parent | 28ea6036dad268a055b693d9c06a6f3d126096d3 (diff) | |
| download | linux-f0b2fde98065e49795ce6824837b3f53fdf16e5d.tar.xz | |
net/mlx5: Add support for querying bond speed
Add mlx5_lag_query_bond_speed() to query the aggregated speed of
lag configurations with a bond device.
Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Edward Srouji <edwards@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 27 | ||||
| -rw-r--r-- | include/linux/mlx5/driver.h | 2 |
2 files changed, 28 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c index 2d6024ebe346..9fe47c836ebd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c @@ -1464,6 +1464,33 @@ static void mlx5_lag_update_tracker_speed(struct lag_tracker *tracker, tracker->bond_speed_mbps = lksettings.base.speed; } +/* Returns speed in Mbps. */ +int mlx5_lag_query_bond_speed(struct mlx5_core_dev *mdev, u32 *speed) +{ + struct mlx5_lag *ldev; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&lag_lock, flags); + ldev = mlx5_lag_dev(mdev); + if (!ldev) { + ret = -ENODEV; + goto unlock; + } + + *speed = ldev->tracker.bond_speed_mbps; + + if (*speed == SPEED_UNKNOWN) { + mlx5_core_dbg(mdev, "Bond speed is unknown\n"); + ret = -EINVAL; + } + +unlock: + spin_unlock_irqrestore(&lag_lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(mlx5_lag_query_bond_speed); + /* this handler is always registered to netdev events */ static int mlx5_lag_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 9e0ab3cfab73..e2d067b1e67b 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1149,7 +1149,7 @@ int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev); bool mlx5_lag_is_roce(struct mlx5_core_dev *dev); bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev); bool mlx5_lag_is_active(struct mlx5_core_dev *dev); -int mlx5_lag_query_bond_speed(struct net_device *bond_dev, u32 *speed); +int mlx5_lag_query_bond_speed(struct mlx5_core_dev *dev, u32 *speed); bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev); bool mlx5_lag_is_master(struct mlx5_core_dev *dev); bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev); |