116 lines · c
1/*2 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.3 *4 * This software is available to you under a choice of one of two5 * licenses. You may choose to be licensed under the terms of the GNU6 * General Public License (GPL) Version 2, available from the file7 * COPYING in the main directory of this source tree, or the8 * OpenIB.org BSD license below:9 *10 * Redistribution and use in source and binary forms, with or11 * without modification, are permitted provided that the following12 * conditions are met:13 *14 * - Redistributions of source code must retain the above15 * copyright notice, this list of conditions and the following16 * disclaimer.17 *18 * - Redistributions in binary form must reproduce the above19 * copyright notice, this list of conditions and the following20 * disclaimer in the documentation and/or other materials21 * 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 OF25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE30 * SOFTWARE.31 *32 */33 34#include <linux/slab.h>35#include <linux/vmalloc.h>36#include <linux/mlx4/qp.h>37 38#include "mlx4_en.h"39 40void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,41 int is_tx, int rss, int qpn, int cqn,42 int user_prio, struct mlx4_qp_context *context)43{44 struct mlx4_en_dev *mdev = priv->mdev;45 struct net_device *dev = priv->dev;46 47 memset(context, 0, sizeof(*context));48 context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET);49 context->pd = cpu_to_be32(mdev->priv_pdn);50 context->mtu_msgmax = 0xff;51 if (!is_tx && !rss)52 context->rq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);53 if (is_tx) {54 context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);55 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)56 context->params2 |= cpu_to_be32(MLX4_QP_BIT_FPP);57 58 } else {59 context->sq_size_stride = ilog2(TXBB_SIZE) - 4;60 }61 context->usr_page = cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev,62 mdev->priv_uar.index));63 context->local_qpn = cpu_to_be32(qpn);64 context->pri_path.ackto = 1 & 0x07;65 context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6;66 /* force user priority per tx ring */67 if (user_prio >= 0 && priv->prof->num_up == MLX4_EN_NUM_UP_HIGH) {68 context->pri_path.sched_queue |= user_prio << 3;69 context->pri_path.feup = MLX4_FEUP_FORCE_ETH_UP;70 }71 context->pri_path.counter_index = priv->counter_index;72 context->cqn_send = cpu_to_be32(cqn);73 context->cqn_recv = cpu_to_be32(cqn);74 if (!rss &&75 (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK) &&76 context->pri_path.counter_index !=77 MLX4_SINK_COUNTER_INDEX(mdev->dev)) {78 /* disable multicast loopback to qp with same counter */79 if (!(dev->features & NETIF_F_LOOPBACK))80 context->pri_path.fl |= MLX4_FL_ETH_SRC_CHECK_MC_LB;81 context->pri_path.control |= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;82 }83 context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);84 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX))85 context->param3 |= cpu_to_be32(1 << 30);86 87 if (!is_tx && !rss &&88 (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)) {89 en_dbg(HW, priv, "Setting RX qp %x tunnel mode to RX tunneled & non-tunneled\n", qpn);90 context->srqn = cpu_to_be32(7 << 28); /* this fills bits 30:28 */91 }92}93 94int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp,95 int loopback)96{97 int ret;98 struct mlx4_update_qp_params qp_params;99 100 memset(&qp_params, 0, sizeof(qp_params));101 if (!loopback)102 qp_params.flags = MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB;103 104 ret = mlx4_update_qp(priv->mdev->dev, qp->qpn,105 MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB,106 &qp_params);107 108 return ret;109}110 111void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)112{113 return;114}115 116