diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h | 68 |
1 files changed, 54 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h index e5d231c31b54..ce2ce8ccbd70 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h @@ -4,9 +4,13 @@ #ifndef __MLX5_LAG_H__ #define __MLX5_LAG_H__ +#include <linux/debugfs.h> + +#define MLX5_LAG_MAX_HASH_BUCKETS 16 #include "mlx5_core.h" #include "mp.h" #include "port_sel.h" +#include "mpesw.h" enum { MLX5_LAG_P1, @@ -14,20 +18,27 @@ enum { }; enum { - MLX5_LAG_FLAG_ROCE = 1 << 0, - MLX5_LAG_FLAG_SRIOV = 1 << 1, - MLX5_LAG_FLAG_MULTIPATH = 1 << 2, - MLX5_LAG_FLAG_READY = 1 << 3, - MLX5_LAG_FLAG_HASH_BASED = 1 << 4, + MLX5_LAG_FLAG_NDEVS_READY, }; -#define MLX5_LAG_MODE_FLAGS (MLX5_LAG_FLAG_ROCE | MLX5_LAG_FLAG_SRIOV |\ - MLX5_LAG_FLAG_MULTIPATH | \ - MLX5_LAG_FLAG_HASH_BASED) +enum { + MLX5_LAG_MODE_FLAG_HASH_BASED, + MLX5_LAG_MODE_FLAG_SHARED_FDB, + MLX5_LAG_MODE_FLAG_FDB_SEL_MODE_NATIVE, +}; + +enum mlx5_lag_mode { + MLX5_LAG_MODE_NONE, + MLX5_LAG_MODE_ROCE, + MLX5_LAG_MODE_SRIOV, + MLX5_LAG_MODE_MULTIPATH, + MLX5_LAG_MODE_MPESW, +}; struct lag_func { struct mlx5_core_dev *dev; struct net_device *netdev; + bool has_drop; }; /* Used for collection of netdev event info. */ @@ -35,6 +46,7 @@ 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; + unsigned int has_inactive:1; enum netdev_lag_hash hash_type; }; @@ -42,20 +54,37 @@ struct lag_tracker { * It serves both its phys functions. */ struct mlx5_lag { - u8 flags; + enum mlx5_lag_mode mode; + unsigned long mode_flags; + unsigned long state_flags; + u8 ports; + u8 buckets; int mode_changes_in_progress; - bool shared_fdb; - u8 v2p_map[MLX5_MAX_PORTS]; + u8 v2p_map[MLX5_MAX_PORTS * MLX5_LAG_MAX_HASH_BUCKETS]; struct kref ref; struct lag_func pf[MLX5_MAX_PORTS]; struct lag_tracker tracker; struct workqueue_struct *wq; struct delayed_work bond_work; + struct work_struct mpesw_work; struct notifier_block nb; struct lag_mp lag_mp; struct mlx5_lag_port_sel port_sel; + /* Protect lag fields/state changes */ + struct mutex lock; + struct lag_mpesw lag_mpesw; }; +static inline bool mlx5_is_lag_supported(struct mlx5_core_dev *dev) +{ + if (!MLX5_CAP_GEN(dev, vport_group_manager) || + !MLX5_CAP_GEN(dev, lag_master) || + MLX5_CAP_GEN(dev, num_lag_ports) < 2 || + MLX5_CAP_GEN(dev, num_lag_ports) > MLX5_MAX_PORTS) + return false; + return true; +} + static inline struct mlx5_lag * mlx5_lag_dev(struct mlx5_core_dev *dev) { @@ -65,22 +94,33 @@ mlx5_lag_dev(struct mlx5_core_dev *dev) static inline bool __mlx5_lag_is_active(struct mlx5_lag *ldev) { - return !!(ldev->flags & MLX5_LAG_MODE_FLAGS); + return ldev->mode != MLX5_LAG_MODE_NONE; } static inline bool mlx5_lag_is_ready(struct mlx5_lag *ldev) { - return ldev->flags & MLX5_LAG_FLAG_READY; + return test_bit(MLX5_LAG_FLAG_NDEVS_READY, &ldev->state_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, + enum mlx5_lag_mode mode, bool shared_fdb); int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev, struct net_device *ndev); +bool mlx5_shared_fdb_supported(struct mlx5_lag *ldev); +void mlx5_lag_del_mpesw_rule(struct mlx5_core_dev *dev); +int mlx5_lag_add_mpesw_rule(struct mlx5_core_dev *dev); + +char *mlx5_get_str_port_sel_mode(enum mlx5_lag_mode mode, unsigned long flags); +void mlx5_infer_tx_enabled(struct lag_tracker *tracker, u8 num_ports, + u8 *ports, int *num_enabled); + +void mlx5_ldev_add_debugfs(struct mlx5_core_dev *dev); +void mlx5_ldev_remove_debugfs(struct dentry *dbg); +void mlx5_disable_lag(struct mlx5_lag *ldev); #endif /* __MLX5_LAG_H__ */ |