diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/mcg.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/mcg.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mcg.c b/drivers/net/ethernet/mellanox/mlx5/core/mcg.c new file mode 100644 index 000000000..495cca58d --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/mcg.c @@ -0,0 +1,62 @@ +/* + * 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/mlx5/driver.h> +#include <rdma/ib_verbs.h> +#include "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)] = {}; + void *gid; + + MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); + MLX5_SET(attach_to_mcg_in, in, qpn, qpn); + gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid); + memcpy(gid, mgid, sizeof(*mgid)); + return mlx5_cmd_exec_in(dev, attach_to_mcg, in); +} +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)] = {}; + void *gid; + + MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); + MLX5_SET(detach_from_mcg_in, in, qpn, qpn); + gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid); + memcpy(gid, mgid, sizeof(*mgid)); + return mlx5_cmd_exec_in(dev, detach_from_mcg, in); +} +EXPORT_SYMBOL(mlx5_core_detach_mcg); |