drivers/net/ethernet/mellanox/mlx5/core/en_dim.c

/*
 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/dim.h>
#include "en.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);
	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 dim_cq_moder cur_moder =
		net_dim_get_rx_moderation(dim->mode, dim->profile_ix);

	mlx5e_complete_dim_work(dim, cur_moder, rq->mdev, &rq->cq.mcq);
}

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 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);
}