cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/mellanox/mlx4/en_resources.c

/*
 * Copyright (c) 2007 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/slab.h>
#include <linux/vmalloc.h>
#include <linux/mlx4/qp.h>

#include "mlx4_en.h"


void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, int is_tx, int rss, int qpn, int cqn, int user_prio, struct mlx4_qp_context *context) { struct mlx4_en_dev *mdev = priv->mdev; struct net_device *dev = priv->dev; memset(context, 0, sizeof *context); context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET); context->pd = cpu_to_be32(mdev->priv_pdn); context->mtu_msgmax = 0xff; if (!is_tx && !rss) context->rq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4); if (is_tx) { context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4); if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP) context->params2 |= MLX4_QP_BIT_FPP; } else { context->sq_size_stride = ilog2(TXBB_SIZE) - 4; } context->usr_page = cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev, mdev->priv_uar.index)); context->local_qpn = cpu_to_be32(qpn); context->pri_path.ackto = 1 & 0x07; context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6; if (user_prio >= 0) { context->pri_path.sched_queue |= user_prio << 3; context->pri_path.feup = MLX4_FEUP_FORCE_ETH_UP; } context->pri_path.counter_index = priv->counter_index; context->cqn_send = cpu_to_be32(cqn); context->cqn_recv = cpu_to_be32(cqn); if (!rss && (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK) && context->pri_path.counter_index != MLX4_SINK_COUNTER_INDEX(mdev->dev)) { /* disable multicast loopback to qp with same counter */ if (!(dev->features & NETIF_F_LOOPBACK)) context->pri_path.fl |= MLX4_FL_ETH_SRC_CHECK_MC_LB; context->pri_path.control |= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER; } context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2); if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX)) context->param3 |= cpu_to_be32(1 << 30); if (!is_tx && !rss && (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)) { en_dbg(HW, priv, "Setting RX qp %x tunnel mode to RX tunneled & non-tunneled\n", qpn); context->srqn = cpu_to_be32(7 << 28); /* this fills bits 30:28 */ } }

Contributors

PersonTokensPropCommitsCommitProp
Yevgeny Petrilin24054.79%216.67%
Maor Gottlieb6013.70%18.33%
Amir Vadai5913.47%216.67%
Or Gerlitz4610.50%216.67%
Moni Shoua225.02%18.33%
Huy Nguyen71.60%18.33%
Eran Ben Elisha30.68%216.67%
Rony Efraim10.23%18.33%
Total438100.00%12100.00%


int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp, int loopback) { int ret; struct mlx4_update_qp_params qp_params; memset(&qp_params, 0, sizeof(qp_params)); if (!loopback) qp_params.flags = MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB; ret = mlx4_update_qp(priv->mdev->dev, qp->qpn, MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB, &qp_params); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Maor Gottlieb72100.00%1100.00%
Total72100.00%1100.00%


void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event) { return; }

Contributors

PersonTokensPropCommitsCommitProp
Yevgeny Petrilin15100.00%1100.00%
Total15100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Yevgeny Petrilin26549.26%321.43%
Maor Gottlieb13224.54%17.14%
Amir Vadai5910.97%214.29%
Or Gerlitz468.55%214.29%
Moni Shoua224.09%17.14%
Huy Nguyen71.30%17.14%
Tejun Heo30.56%17.14%
Eran Ben Elisha30.56%214.29%
Rony Efraim10.19%17.14%
Total538100.00%14100.00%
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