1 /*
2  * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #include <linux/dim.h>
34 #include "en.h"
35 
36 static void
mlx5e_complete_dim_work(struct dim * dim,struct dim_cq_moder moder,struct mlx5_core_dev * mdev,struct mlx5_core_cq * mcq)37 mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder,
38 			struct mlx5_core_dev *mdev, struct mlx5_core_cq *mcq)
39 {
40 	mlx5_core_modify_cq_moderation(mdev, mcq, moder.usec, moder.pkts);
41 	dim->state = DIM_START_MEASURE;
42 }
43 
mlx5e_rx_dim_work(struct work_struct * work)44 void mlx5e_rx_dim_work(struct work_struct *work)
45 {
46 	struct dim *dim = container_of(work, struct dim, work);
47 	struct mlx5e_rq *rq = container_of(dim, struct mlx5e_rq, dim);
48 	struct dim_cq_moder cur_moder =
49 		net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
50 
51 	mlx5e_complete_dim_work(dim, cur_moder, rq->mdev, &rq->cq.mcq);
52 }
53 
mlx5e_tx_dim_work(struct work_struct * work)54 void mlx5e_tx_dim_work(struct work_struct *work)
55 {
56 	struct dim *dim = container_of(work, struct dim, work);
57 	struct mlx5e_txqsq *sq = container_of(dim, struct mlx5e_txqsq, dim);
58 	struct dim_cq_moder cur_moder =
59 		net_dim_get_tx_moderation(dim->mode, dim->profile_ix);
60 
61 	mlx5e_complete_dim_work(dim, cur_moder, sq->cq.mdev, &sq->cq.mcq);
62 }
63