diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_resources.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_resources.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_resources.c b/drivers/net/ethernet/mellanox/mlx4/en_resources.c new file mode 100644 index 000000000..6883ac75d --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx4/en_resources.c @@ -0,0 +1,115 @@ +/* + * 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 |= cpu_to_be32(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; + /* force user priority per tx ring */ + if (user_prio >= 0 && priv->prof->num_up == MLX4_EN_NUM_UP_HIGH) { + 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 */ + } +} + +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; +} + +void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event) +{ + return; +} + |