/*
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* Copyright (c) 2013-2015, 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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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/mlx5/driver.h>
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#include <rdma/ib_verbs.h>
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#include "mlx5_core.h"
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int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn)
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{
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u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};
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void *gid;
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MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
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MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
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gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);
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memcpy(gid, mgid, sizeof(*mgid));
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return mlx5_cmd_exec_in(dev, attach_to_mcg, in);
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}
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EXPORT_SYMBOL(mlx5_core_attach_mcg);
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int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn)
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{
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u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};
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void *gid;
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MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
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MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
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gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);
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memcpy(gid, mgid, sizeof(*mgid));
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return mlx5_cmd_exec_in(dev, detach_from_mcg, in);
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}
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EXPORT_SYMBOL(mlx5_core_detach_mcg);
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