FreeBSD/Linux Kernel Cross Reference
sys/dev/mlx5/mlx5_core/mlx5_mcg.c

     /*-
      * Copyright (c) 2013-2017, Mellanox Technologies, Ltd.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
      * 2. 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.
     *
     * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #include "opt_rss.h"
    #include "opt_ratelimit.h"
    
    #include <linux/kernel.h>
    #include <linux/module.h>
    #include <dev/mlx5/driver.h>
    #include <rdma/ib_verbs.h>
    #include <dev/mlx5/mlx5_core/mlx5_core.h>
    
    int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn)
    {
            u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {0};
            u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {0};
    
            MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
            MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
            memcpy(MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid), mgid,
                   sizeof(*mgid));
    
            return mlx5_cmd_exec(dev, in,  sizeof(in), out, sizeof(out));
    }
    EXPORT_SYMBOL(mlx5_core_attach_mcg);
    
    int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn)
    {
            u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {0};
            u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {0};
    
            MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
            MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
            memcpy(MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid), mgid,
                   sizeof(*mgid));
    
            return mlx5_cmd_exec(dev, in,  sizeof(in), out, sizeof(out));
    }
    EXPORT_SYMBOL(mlx5_core_detach_mcg);

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