116 lines
4.1 KiB
C
116 lines
4.1 KiB
C
/*
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* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/mlx4/qp.h>
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#include "mlx4_en.h"
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void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
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int is_tx, int rss, int qpn, int cqn,
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int user_prio, struct mlx4_qp_context *context)
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{
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struct mlx4_en_dev *mdev = priv->mdev;
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struct net_device *dev = priv->dev;
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memset(context, 0, sizeof(*context));
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context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET);
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context->pd = cpu_to_be32(mdev->priv_pdn);
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context->mtu_msgmax = 0xff;
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if (!is_tx && !rss)
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context->rq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
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if (is_tx) {
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context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
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if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)
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context->params2 |= cpu_to_be32(MLX4_QP_BIT_FPP);
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} else {
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context->sq_size_stride = ilog2(TXBB_SIZE) - 4;
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}
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context->usr_page = cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev,
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mdev->priv_uar.index));
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context->local_qpn = cpu_to_be32(qpn);
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context->pri_path.ackto = 1 & 0x07;
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context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6;
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/* force user priority per tx ring */
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if (user_prio >= 0 && priv->prof->num_up == MLX4_EN_NUM_UP_HIGH) {
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context->pri_path.sched_queue |= user_prio << 3;
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context->pri_path.feup = MLX4_FEUP_FORCE_ETH_UP;
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}
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context->pri_path.counter_index = priv->counter_index;
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context->cqn_send = cpu_to_be32(cqn);
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context->cqn_recv = cpu_to_be32(cqn);
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if (!rss &&
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(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK) &&
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context->pri_path.counter_index !=
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MLX4_SINK_COUNTER_INDEX(mdev->dev)) {
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/* disable multicast loopback to qp with same counter */
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if (!(dev->features & NETIF_F_LOOPBACK))
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context->pri_path.fl |= MLX4_FL_ETH_SRC_CHECK_MC_LB;
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context->pri_path.control |= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;
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}
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context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
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if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX))
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context->param3 |= cpu_to_be32(1 << 30);
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if (!is_tx && !rss &&
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(mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)) {
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en_dbg(HW, priv, "Setting RX qp %x tunnel mode to RX tunneled & non-tunneled\n", qpn);
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context->srqn = cpu_to_be32(7 << 28); /* this fills bits 30:28 */
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}
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}
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int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp,
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int loopback)
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{
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int ret;
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struct mlx4_update_qp_params qp_params;
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memset(&qp_params, 0, sizeof(qp_params));
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if (!loopback)
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qp_params.flags = MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB;
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ret = mlx4_update_qp(priv->mdev->dev, qp->qpn,
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MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB,
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&qp_params);
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return ret;
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}
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void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
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{
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return;
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}
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