diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 59 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h | 53 |
2 files changed, 90 insertions, 22 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c index 5dfdd799828f..03cb02c7000d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c @@ -242,7 +242,7 @@ static void mlx5_ldev_free(struct kref *ref) unregister_netdevice_notifier_net(net, &ldev->nb); } - mlx5_ldev_for_each(i, 0, ldev) { + mlx5_lag_for_each(i, 0, ldev, MLX5_LAG_FILTER_ALL) { pf = mlx5_lag_pf(ldev, i); if (pf->port_change_nb.nb.notifier_call) { struct mlx5_nb *nb = &pf->port_change_nb; @@ -391,7 +391,7 @@ int mlx5_lag_get_dev_seq(struct mlx5_core_dev *dev) if (pf && pf->dev == dev) return 0; - mlx5_ldev_for_each(i, 0, ldev) { + mlx5_lag_for_each(i, 0, ldev, MLX5_LAG_FILTER_ALL) { if (i == master_idx) continue; pf = mlx5_lag_pf(ldev, i); @@ -1034,7 +1034,7 @@ static void mlx5_lag_assert_locked_transition(struct mlx5_lag *ldev) lockdep_assert_held(&ldev->lock); - i = mlx5_get_next_ldev_func(ldev, 0); + i = mlx5_get_next_lag_func(ldev, 0, MLX5_LAG_FILTER_PORTS); if (i < MLX5_MAX_PORTS) { pf = mlx5_lag_pf(ldev, i); devcom = pf->dev->priv.hca_devcom_comp; @@ -1482,7 +1482,7 @@ struct mlx5_devcom_comp_dev *mlx5_lag_get_devcom_comp(struct mlx5_lag *ldev) int i; mutex_lock(&ldev->lock); - i = mlx5_get_next_ldev_func(ldev, 0); + i = mlx5_get_next_lag_func(ldev, 0, MLX5_LAG_FILTER_PORTS); if (i < MLX5_MAX_PORTS) { pf = mlx5_lag_pf(ldev, i); devcom = pf->dev->priv.hca_devcom_comp; @@ -1965,8 +1965,9 @@ static void mlx5_ldev_remove_netdev(struct mlx5_lag *ldev, spin_unlock_irqrestore(&lag_lock, flags); } -static int mlx5_ldev_add_mdev(struct mlx5_lag *ldev, - struct mlx5_core_dev *dev) +int mlx5_ldev_add_mdev(struct mlx5_lag *ldev, + struct mlx5_core_dev *dev, + u32 group_id) { struct lag_func *pf; u32 idx; @@ -1985,8 +1986,14 @@ static int mlx5_ldev_add_mdev(struct mlx5_lag *ldev, pf->idx = idx; pf->dev = dev; + pf->group_id = group_id; dev->priv.lag = ldev; + if (group_id) + return 0; + + xa_set_mark(&ldev->pfs, idx, MLX5_LAG_XA_MARK_PORT); + MLX5_NB_INIT(&pf->port_change_nb, mlx5_lag_mpesw_port_change_event, PORT_CHANGE); mlx5_eq_notifier_register(dev, &pf->port_change_nb); @@ -1994,13 +2001,13 @@ static int mlx5_ldev_add_mdev(struct mlx5_lag *ldev, return 0; } -static void mlx5_ldev_remove_mdev(struct mlx5_lag *ldev, - struct mlx5_core_dev *dev) +void mlx5_ldev_remove_mdev(struct mlx5_lag *ldev, + struct mlx5_core_dev *dev) { struct lag_func *pf; int i; - mlx5_ldev_for_each(i, 0, ldev) { + mlx5_lag_for_each(i, 0, ldev, MLX5_LAG_FILTER_ALL) { pf = mlx5_lag_pf(ldev, i); if (pf->dev == dev) break; @@ -2035,7 +2042,7 @@ static int __mlx5_lag_dev_add_mdev(struct mlx5_core_dev *dev) mlx5_core_err(dev, "Failed to alloc lag dev\n"); return 0; } - err = mlx5_ldev_add_mdev(ldev, dev); + err = mlx5_ldev_add_mdev(ldev, dev, 0); if (err) { mlx5_core_err(dev, "Failed to add mdev to lag dev\n"); mlx5_ldev_put(ldev); @@ -2050,7 +2057,7 @@ static int __mlx5_lag_dev_add_mdev(struct mlx5_core_dev *dev) return -EAGAIN; } mlx5_ldev_get(ldev); - err = mlx5_ldev_add_mdev(ldev, dev); + err = mlx5_ldev_add_mdev(ldev, dev, 0); if (err) { mlx5_ldev_put(ldev); mutex_unlock(&ldev->lock); @@ -2187,27 +2194,47 @@ void mlx5_lag_add_netdev(struct mlx5_core_dev *dev, mlx5_queue_bond_work(ldev, 0); } -int mlx5_get_pre_ldev_func(struct mlx5_lag *ldev, int start_idx, int end_idx) +int mlx5_get_pre_lag_func(struct mlx5_lag *ldev, int start_idx, int end_idx, + u32 filter) { struct lag_func *pf; int i; for (i = start_idx; i >= end_idx; i--) { pf = xa_load(&ldev->pfs, i); - if (pf && pf->dev) + if (!pf || !pf->dev) + continue; + if (filter == MLX5_LAG_FILTER_PORTS) { + if (xa_get_mark(&ldev->pfs, i, MLX5_LAG_XA_MARK_PORT)) + return i; + } else if (filter == MLX5_LAG_FILTER_ALL || + filter == pf->group_id) { return i; + } } return -1; } -int mlx5_get_next_ldev_func(struct mlx5_lag *ldev, int start_idx) +int mlx5_get_next_lag_func(struct mlx5_lag *ldev, int start_idx, u32 filter) { struct lag_func *pf; unsigned long idx; - xa_for_each_start(&ldev->pfs, idx, pf, start_idx) - if (pf->dev) + if (filter == MLX5_LAG_FILTER_PORTS) { + xa_for_each_marked_start(&ldev->pfs, idx, pf, + MLX5_LAG_XA_MARK_PORT, start_idx) + if (pf->dev) + return idx; + return MLX5_MAX_PORTS; + } + + xa_for_each_start(&ldev->pfs, idx, pf, start_idx) { + if (!pf->dev) + continue; + if (filter == MLX5_LAG_FILTER_ALL || + filter == pf->group_id) return idx; + } return MLX5_MAX_PORTS; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h index 23c0457ce799..9e95d5109e4a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h @@ -15,6 +15,13 @@ * Note: XA_MARK_0 is reserved by XA_FLAGS_ALLOC for free-slot tracking. */ #define MLX5_LAG_XA_MARK_MASTER XA_MARK_1 +/* XArray mark for port-level entries (excludes SD secondaries) */ +#define MLX5_LAG_XA_MARK_PORT XA_MARK_2 + +/* Like xa_for_each_marked but starting from a given index */ +#define xa_for_each_marked_start(xa, index, entry, filter, start) \ + for (index = start, entry = xa_find(xa, &index, ULONG_MAX, filter); \ + entry; entry = xa_find_after(xa, &index, ULONG_MAX, filter)) #include "mlx5_core.h" #include "mp.h" @@ -50,6 +57,8 @@ struct lag_func { bool has_drop; unsigned int idx; /* xarray index assigned by LAG */ struct mlx5_nb port_change_nb; + u32 group_id; /* SD group ID, 0 = not SD */ + bool sd_fdb_active; /* set on all SD group members */ }; /* Used for collection of netdev event info. */ @@ -125,6 +134,20 @@ mlx5_lag_pf_by_dev_idx(struct mlx5_lag *ldev, int dev_idx) return NULL; } +/* Find lag_func by mlx5_core_dev pointer */ +static inline struct lag_func * +mlx5_lag_pf_by_dev(struct mlx5_lag *ldev, struct mlx5_core_dev *dev) +{ + struct lag_func *pf; + unsigned long idx; + + xa_for_each(&ldev->pfs, idx, pf) { + if (pf->dev == dev) + return pf; + } + return NULL; +} + static inline bool __mlx5_lag_is_active(struct mlx5_lag *ldev) { @@ -214,20 +237,38 @@ static inline bool mlx5_lag_is_supported(struct mlx5_core_dev *dev) return true; } -#define mlx5_ldev_for_each(i, start_index, ldev) \ - for (int tmp = start_index; tmp = mlx5_get_next_ldev_func(ldev, tmp), \ +/* Iterator filter constants for mlx5_lag_for_each() */ +#define MLX5_LAG_FILTER_ALL 0 /* iterate ALL devices */ +#define MLX5_LAG_FILTER_PORTS U32_MAX /* iterate ports only (XA_MARK_PORT) */ +/* any other value = iterate devices with that specific group_id */ + +#define mlx5_lag_for_each(i, start_index, ldev, filter) \ + for (int tmp = start_index; \ + tmp = mlx5_get_next_lag_func(ldev, tmp, filter), \ i = tmp, tmp < MLX5_MAX_PORTS; tmp++) -#define mlx5_ldev_for_each_reverse(i, start_index, end_index, ldev) \ +#define mlx5_lag_for_each_reverse(i, start_index, end_index, ldev, filter) \ for (int tmp = start_index, tmp1 = end_index; \ - tmp = mlx5_get_pre_ldev_func(ldev, tmp, tmp1), \ + tmp = mlx5_get_pre_lag_func(ldev, tmp, tmp1, filter), \ i = tmp, tmp >= tmp1; tmp--) -int mlx5_get_pre_ldev_func(struct mlx5_lag *ldev, int start_idx, int end_idx); -int mlx5_get_next_ldev_func(struct mlx5_lag *ldev, int start_idx); +/* Convenience wrappers - keeps existing behavior */ +#define mlx5_ldev_for_each(i, start_index, ldev) \ + mlx5_lag_for_each(i, start_index, ldev, MLX5_LAG_FILTER_PORTS) + +#define mlx5_ldev_for_each_reverse(i, start_index, end_index, ldev) \ + mlx5_lag_for_each_reverse(i, start_index, end_index, ldev, \ + MLX5_LAG_FILTER_PORTS) + +int mlx5_get_pre_lag_func(struct mlx5_lag *ldev, int start_idx, int end_idx, + u32 filter); +int mlx5_get_next_lag_func(struct mlx5_lag *ldev, int start_idx, u32 filter); int mlx5_lag_get_dev_index_by_seq(struct mlx5_lag *ldev, int seq); int mlx5_lag_num_devs(struct mlx5_lag *ldev); int mlx5_lag_num_netdevs(struct mlx5_lag *ldev); int mlx5_lag_reload_ib_reps_from_locked(struct mlx5_lag *ldev, u32 flags, bool cont_on_fail); +int mlx5_ldev_add_mdev(struct mlx5_lag *ldev, struct mlx5_core_dev *dev, + u32 group_id); +void mlx5_ldev_remove_mdev(struct mlx5_lag *ldev, struct mlx5_core_dev *dev); #endif /* __MLX5_LAG_H__ */ |