cregit-Linux how code gets into the kernel

Release 4.7 drivers/net/ethernet/mellanox/mlx5/core/mcg.c

/*
 * Copyright (c) 2013-2015, 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/kernel.h>
#include <linux/module.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/cmd.h>
#include <rdma/ib_verbs.h>
#include "mlx5_core.h"


struct mlx5_attach_mcg_mbox_in {
	
struct mlx5_inbox_hdr	hdr;
	
__be32			qpn;
	
__be32			rsvd;
	
u8			gid[16];
};


struct mlx5_attach_mcg_mbox_out {
	
struct mlx5_outbox_hdr	hdr;
	
u8			rsvf[8];
};


struct mlx5_detach_mcg_mbox_in {
	
struct mlx5_inbox_hdr	hdr;
	
__be32			qpn;
	
__be32			rsvd;
	
u8			gid[16];
};


struct mlx5_detach_mcg_mbox_out {
	
struct mlx5_outbox_hdr	hdr;
	
u8			rsvf[8];
};


int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) { struct mlx5_attach_mcg_mbox_in in; struct mlx5_attach_mcg_mbox_out out; int err; memset(&in, 0, sizeof(in)); memset(&out, 0, sizeof(out)); in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ATTACH_TO_MCG); memcpy(in.gid, mgid, sizeof(*mgid)); in.qpn = cpu_to_be32(qpn); err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); if (err) return err; if (out.hdr.status) err = mlx5_cmd_status_to_err(&out.hdr); return err; }

Contributors

PersonTokensPropCommitsCommitProp
eli coheneli cohen141100.00%1100.00%
Total141100.00%1100.00%

EXPORT_SYMBOL(mlx5_core_attach_mcg);
int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) { struct mlx5_detach_mcg_mbox_in in; struct mlx5_detach_mcg_mbox_out out; int err; memset(&in, 0, sizeof(in)); memset(&out, 0, sizeof(out)); in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DETTACH_FROM_MCG); memcpy(in.gid, mgid, sizeof(*mgid)); in.qpn = cpu_to_be32(qpn); err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); if (err) return err; if (out.hdr.status) err = mlx5_cmd_status_to_err(&out.hdr); return err; }

Contributors

PersonTokensPropCommitsCommitProp
eli coheneli cohen14099.29%150.00%
saeed mahameedsaeed mahameed10.71%150.00%
Total141100.00%2100.00%

EXPORT_SYMBOL(mlx5_core_detach_mcg);

Overall Contributors

PersonTokensPropCommitsCommitProp
eli coheneli cohen38199.48%133.33%
saeed mahameedsaeed mahameed20.52%266.67%
Total383100.00%3100.00%
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