diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_dim.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_dim.c | 95 |
1 files changed, 91 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dim.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dim.c index ca9cfbf57d..298bb74ec5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dim.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dim.c @@ -30,21 +30,22 @@ * SOFTWARE. */ -#include <linux/dim.h> #include "en.h" +#include "en/dim.h" static void mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder, struct mlx5_core_dev *mdev, struct mlx5_core_cq *mcq) { - mlx5_core_modify_cq_moderation(mdev, mcq, moder.usec, moder.pkts); + mlx5e_modify_cq_moderation(mdev, mcq, moder.usec, moder.pkts, + mlx5e_cq_period_mode(moder.cq_period_mode)); dim->state = DIM_START_MEASURE; } void mlx5e_rx_dim_work(struct work_struct *work) { struct dim *dim = container_of(work, struct dim, work); - struct mlx5e_rq *rq = container_of(dim, struct mlx5e_rq, dim); + struct mlx5e_rq *rq = dim->priv; struct dim_cq_moder cur_moder = net_dim_get_rx_moderation(dim->mode, dim->profile_ix); @@ -54,9 +55,95 @@ void mlx5e_rx_dim_work(struct work_struct *work) void mlx5e_tx_dim_work(struct work_struct *work) { struct dim *dim = container_of(work, struct dim, work); - struct mlx5e_txqsq *sq = container_of(dim, struct mlx5e_txqsq, dim); + struct mlx5e_txqsq *sq = dim->priv; struct dim_cq_moder cur_moder = net_dim_get_tx_moderation(dim->mode, dim->profile_ix); mlx5e_complete_dim_work(dim, cur_moder, sq->cq.mdev, &sq->cq.mcq); } + +static struct dim *mlx5e_dim_enable(struct mlx5_core_dev *mdev, + void (*work_fun)(struct work_struct *), int cpu, + u8 cq_period_mode, struct mlx5_core_cq *mcq, + void *queue) +{ + struct dim *dim; + int err; + + dim = kvzalloc_node(sizeof(*dim), GFP_KERNEL, cpu_to_node(cpu)); + if (!dim) + return ERR_PTR(-ENOMEM); + + INIT_WORK(&dim->work, work_fun); + + dim->mode = cq_period_mode; + dim->priv = queue; + + err = mlx5e_modify_cq_period_mode(mdev, mcq, dim->mode); + if (err) { + kvfree(dim); + return ERR_PTR(err); + } + + return dim; +} + +static void mlx5e_dim_disable(struct dim *dim) +{ + cancel_work_sync(&dim->work); + kvfree(dim); +} + +int mlx5e_dim_rx_change(struct mlx5e_rq *rq, bool enable) +{ + if (enable == !!rq->dim) + return 0; + + if (enable) { + struct mlx5e_channel *c = rq->channel; + struct dim *dim; + + dim = mlx5e_dim_enable(rq->mdev, mlx5e_rx_dim_work, c->cpu, + c->rx_cq_moder.cq_period_mode, &rq->cq.mcq, rq); + if (IS_ERR(dim)) + return PTR_ERR(dim); + + rq->dim = dim; + + __set_bit(MLX5E_RQ_STATE_DIM, &rq->state); + } else { + __clear_bit(MLX5E_RQ_STATE_DIM, &rq->state); + + mlx5e_dim_disable(rq->dim); + rq->dim = NULL; + } + + return 0; +} + +int mlx5e_dim_tx_change(struct mlx5e_txqsq *sq, bool enable) +{ + if (enable == !!sq->dim) + return 0; + + if (enable) { + struct mlx5e_channel *c = sq->channel; + struct dim *dim; + + dim = mlx5e_dim_enable(sq->mdev, mlx5e_tx_dim_work, c->cpu, + c->tx_cq_moder.cq_period_mode, &sq->cq.mcq, sq); + if (IS_ERR(dim)) + return PTR_ERR(dim); + + sq->dim = dim; + + __set_bit(MLX5E_SQ_STATE_DIM, &sq->state); + } else { + __clear_bit(MLX5E_SQ_STATE_DIM, &sq->state); + + mlx5e_dim_disable(sq->dim); + sq->dim = NULL; + } + + return 0; +} |