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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2019 Mellanox Technologies. */
#ifndef __MLX5_LAG_H__
#define __MLX5_LAG_H__
#include "mlx5_core.h"
#include "lag_mp.h"
enum {
MLX5_LAG_P1,
MLX5_LAG_P2,
};
enum {
MLX5_LAG_FLAG_ROCE = 1 << 0,
MLX5_LAG_FLAG_SRIOV = 1 << 1,
MLX5_LAG_FLAG_MULTIPATH = 1 << 2,
};
#define MLX5_LAG_MODE_FLAGS (MLX5_LAG_FLAG_ROCE | MLX5_LAG_FLAG_SRIOV |\
MLX5_LAG_FLAG_MULTIPATH)
struct lag_func {
struct mlx5_core_dev *dev;
struct net_device *netdev;
};
/* Used for collection of netdev event info. */
struct lag_tracker {
enum netdev_lag_tx_type tx_type;
struct netdev_lag_lower_state_info netdev_state[MLX5_MAX_PORTS];
unsigned int is_bonded:1;
};
/* LAG data of a ConnectX card.
* It serves both its phys functions.
*/
struct mlx5_lag {
u8 flags;
u8 v2p_map[MLX5_MAX_PORTS];
struct lag_func pf[MLX5_MAX_PORTS];
struct lag_tracker tracker;
struct workqueue_struct *wq;
struct delayed_work bond_work;
struct notifier_block nb;
struct lag_mp lag_mp;
};
static inline struct mlx5_lag *
mlx5_lag_dev_get(struct mlx5_core_dev *dev)
{
return dev->priv.lag;
}
static inline bool
__mlx5_lag_is_active(struct mlx5_lag *ldev)
{
return !!(ldev->flags & MLX5_LAG_MODE_FLAGS);
}
void mlx5_modify_lag(struct mlx5_lag *ldev,
struct lag_tracker *tracker);
int mlx5_activate_lag(struct mlx5_lag *ldev,
struct lag_tracker *tracker,
u8 flags);
int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev,
struct net_device *ndev);
#endif /* __MLX5_LAG_H__ */
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