mlx5/core/en_dim.c

0001 /*
0002  * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
0003  *
0004  * This software is available to you under a choice of one of two
0005  * licenses.  You may choose to be licensed under the terms of the GNU
0006  * General Public License (GPL) Version 2, available from the file
0007  * COPYING in the main directory of this source tree, or the
0008  * OpenIB.org BSD license below:
0009  *
0010  *     Redistribution and use in source and binary forms, with or
0011  *     without modification, are permitted provided that the following
0012  *     conditions are met:
0013  *
0014  *      - Redistributions of source code must retain the above
0015  *        copyright notice, this list of conditions and the following
0016  *        disclaimer.
0017  *
0018  *      - Redistributions in binary form must reproduce the above
0019  *        copyright notice, this list of conditions and the following
0020  *        disclaimer in the documentation and/or other materials
0021  *        provided with the distribution.
0022  *
0023  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0024  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
0025  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0026  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
0027  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
0028  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
0029  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0030  * SOFTWARE.
0031  */
0032
0033 #include <linux/dim.h>
0034 #include "en.h"
0035
0036 static void
0037 mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder,
0038             struct mlx5_core_dev *mdev, struct mlx5_core_cq *mcq)
0039 {
0040     mlx5_core_modify_cq_moderation(mdev, mcq, moder.usec, moder.pkts);
0041     dim->state = DIM_START_MEASURE;
0042 }
0043
0044 void mlx5e_rx_dim_work(struct work_struct *work)
0045 {
0046     struct dim *dim = container_of(work, struct dim, work);
0047     struct mlx5e_rq *rq = container_of(dim, struct mlx5e_rq, dim);
0048     struct dim_cq_moder cur_moder =
0049         net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
0050
0051     mlx5e_complete_dim_work(dim, cur_moder, rq->mdev, &rq->cq.mcq);
0052 }
0053
0054 void mlx5e_tx_dim_work(struct work_struct *work)
0055 {
0056     struct dim *dim = container_of(work, struct dim, work);
0057     struct mlx5e_txqsq *sq = container_of(dim, struct mlx5e_txqsq, dim);
0058     struct dim_cq_moder cur_moder =
0059         net_dim_get_tx_moderation(dim->mode, dim->profile_ix);
0060
0061     mlx5e_complete_dim_work(dim, cur_moder, sq->cq.mdev, &sq->cq.mcq);
0062 }