Release 4.18 drivers/net/ethernet/mellanox/mlx5/core/wq.c
/*
* Copyright (c) 2013-2015, Mellanox Technologies, Ltd. 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/mlx5/driver.h>
#include "wq.h"
#include "mlx5_core.h"
u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq)
{
return (u32)wq->fbc.sz_m1 + 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 20 | 90.91% | 1 | 50.00% |
| Tariq Toukan | 2 | 9.09% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq)
{
return (u32)wq->fbc.frag_sz_m1 + 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tariq Toukan | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq)
{
return wq->fbc.sz_m1 + 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 17 | 89.47% | 1 | 50.00% |
| Yonatan Cohen | 2 | 10.53% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
u32 mlx5_wq_ll_get_size(struct mlx5_wq_ll *wq)
{
return (u32)wq->fbc.sz_m1 + 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 20 | 90.91% | 1 | 50.00% |
| Tariq Toukan | 2 | 9.09% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
static u32 mlx5_wq_cyc_get_byte_size(struct mlx5_wq_cyc *wq)
{
return mlx5_wq_cyc_get_size(wq) << wq->fbc.log_stride;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 21 | 91.30% | 1 | 50.00% |
| Tariq Toukan | 2 | 8.70% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static u32 mlx5_wq_qp_get_byte_size(struct mlx5_wq_qp *wq)
{
return mlx5_wq_cyc_get_byte_size(&wq->rq) +
mlx5_wq_cyc_get_byte_size(&wq->sq);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ilan Tayari | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static u32 mlx5_cqwq_get_byte_size(struct mlx5_cqwq *wq)
{
return mlx5_cqwq_get_size(wq) << wq->fbc.log_stride;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 21 | 91.30% | 1 | 50.00% |
| Yonatan Cohen | 2 | 8.70% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static u32 mlx5_wq_ll_get_byte_size(struct mlx5_wq_ll *wq)
{
return mlx5_wq_ll_get_size(wq) << wq->fbc.log_stride;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 21 | 91.30% | 1 | 50.00% |
| Tariq Toukan | 2 | 8.70% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
struct mlx5_frag_buf_ctrl *fbc = &wq->fbc;
int err;
mlx5_fill_fbc(MLX5_GET(wq, wqc, log_wq_stride),
MLX5_GET(wq, wqc, log_wq_sz),
fbc);
wq->sz = wq->fbc.sz_m1 + 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
fbc->frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 150 | 78.12% | 1 | 20.00% |
| Tariq Toukan | 32 | 16.67% | 2 | 40.00% |
| Saeed Mahameed | 9 | 4.69% | 1 | 20.00% |
| Wang Sheng-Hui | 1 | 0.52% | 1 | 20.00% |
| Total | 192 | 100.00% | 5 | 100.00% |
static void mlx5_qp_set_frag_buf(struct mlx5_frag_buf *buf,
struct mlx5_wq_qp *qp)
{
struct mlx5_frag_buf_ctrl *sq_fbc;
struct mlx5_frag_buf *rqb, *sqb;
rqb = &qp->rq.fbc.frag_buf;
*rqb = *buf;
rqb->size = mlx5_wq_cyc_get_byte_size(&qp->rq);
rqb->npages = DIV_ROUND_UP(rqb->size, PAGE_SIZE);
sq_fbc = &qp->sq.fbc;
sqb = &sq_fbc->frag_buf;
*sqb = *buf;
sqb->size = mlx5_wq_cyc_get_byte_size(&qp->sq);
sqb->npages = DIV_ROUND_UP(sqb->size, PAGE_SIZE);
sqb->frags += rqb->npages; /* first part is for the rq */
if (sq_fbc->strides_offset)
sqb->frags--;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tariq Toukan | 138 | 100.00% | 2 | 100.00% |
| Total | 138 | 100.00% | 2 | 100.00% |
int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *qpc, struct mlx5_wq_qp *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
u32 sq_strides_offset;
int err;
mlx5_fill_fbc(MLX5_GET(qpc, qpc, log_rq_stride) + 4,
MLX5_GET(qpc, qpc, log_rq_size),
&wq->rq.fbc);
sq_strides_offset =
((wq->rq.fbc.frag_sz_m1 + 1) % PAGE_SIZE) / MLX5_SEND_WQE_BB;
mlx5_fill_fbc_offset(ilog2(MLX5_SEND_WQE_BB),
MLX5_GET(qpc, qpc, log_sq_size),
sq_strides_offset,
&wq->sq.fbc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_qp_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
mlx5_qp_set_frag_buf(&wq_ctrl->buf, wq);
wq->rq.db = &wq_ctrl->db.db[MLX5_RCV_DBR];
wq->sq.db = &wq_ctrl->db.db[MLX5_SND_DBR];
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ilan Tayari | 199 | 79.60% | 1 | 33.33% |
| Tariq Toukan | 51 | 20.40% | 2 | 66.67% |
| Total | 250 | 100.00% | 3 | 100.00% |
int mlx5_cqwq_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *cqc, struct mlx5_cqwq *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
int err;
mlx5_core_init_cq_frag_buf(&wq->fbc, cqc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_cqwq_get_byte_size(wq),
&wq_ctrl->buf,
param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n",
err);
goto err_db_free;
}
wq->fbc.frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 138 | 86.79% | 1 | 16.67% |
| Saeed Mahameed | 9 | 5.66% | 1 | 16.67% |
| Tariq Toukan | 6 | 3.77% | 2 | 33.33% |
| Yonatan Cohen | 5 | 3.14% | 1 | 16.67% |
| Wang Sheng-Hui | 1 | 0.63% | 1 | 16.67% |
| Total | 159 | 100.00% | 6 | 100.00% |
int mlx5_wq_ll_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_ll *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
struct mlx5_frag_buf_ctrl *fbc = &wq->fbc;
struct mlx5_wqe_srq_next_seg *next_seg;
int err;
int i;
mlx5_fill_fbc(MLX5_GET(wq, wqc, log_wq_stride),
MLX5_GET(wq, wqc, log_wq_sz),
fbc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_ll_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
wq->fbc.frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
for (i = 0; i < fbc->sz_m1; i++) {
next_seg = mlx5_wq_ll_get_wqe(wq, i);
next_seg->next_wqe_index = cpu_to_be16(i + 1);
}
next_seg = mlx5_wq_ll_get_wqe(wq, i);
wq->tail_next = &next_seg->next_wqe_index;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 213 | 86.94% | 1 | 25.00% |
| Tariq Toukan | 22 | 8.98% | 1 | 25.00% |
| Saeed Mahameed | 5 | 2.04% | 1 | 25.00% |
| Wang Sheng-Hui | 5 | 2.04% | 1 | 25.00% |
| Total | 245 | 100.00% | 4 | 100.00% |
void mlx5_wq_destroy(struct mlx5_wq_ctrl *wq_ctrl)
{
mlx5_frag_buf_free(wq_ctrl->mdev, &wq_ctrl->buf);
mlx5_db_free(wq_ctrl->mdev, &wq_ctrl->db);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tariq Toukan | 25 | 73.53% | 2 | 66.67% |
| Amir Vadai | 9 | 26.47% | 1 | 33.33% |
| Total | 34 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 640 | 52.89% | 1 | 11.11% |
| Tariq Toukan | 304 | 25.12% | 4 | 44.44% |
| Ilan Tayari | 227 | 18.76% | 1 | 11.11% |
| Saeed Mahameed | 23 | 1.90% | 1 | 11.11% |
| Yonatan Cohen | 9 | 0.74% | 1 | 11.11% |
| Wang Sheng-Hui | 7 | 0.58% | 1 | 11.11% |
| Total | 1210 | 100.00% | 9 | 100.00% |
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