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e126ba97 | 1 | /* |
302bdf68 | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <linux/kernel.h> | |
34 | #include <linux/module.h> | |
35 | #include <linux/mlx5/driver.h> | |
36 | #include <linux/mlx5/cmd.h> | |
37 | #include <rdma/ib_verbs.h> | |
38 | #include "mlx5_core.h" | |
39 | ||
e126ba97 EC |
40 | int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) |
41 | { | |
20bb566b SM |
42 | u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {0}; |
43 | u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {0}; | |
44 | void *gid; | |
e126ba97 | 45 | |
20bb566b SM |
46 | MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); |
47 | MLX5_SET(attach_to_mcg_in, in, qpn, qpn); | |
48 | gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid); | |
49 | memcpy(gid, mgid, sizeof(*mgid)); | |
c4f287c4 | 50 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
e126ba97 EC |
51 | } |
52 | EXPORT_SYMBOL(mlx5_core_attach_mcg); | |
53 | ||
54 | int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) | |
55 | { | |
20bb566b SM |
56 | u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {0}; |
57 | u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {0}; | |
58 | void *gid; | |
e126ba97 | 59 | |
20bb566b SM |
60 | MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); |
61 | MLX5_SET(detach_from_mcg_in, in, qpn, qpn); | |
62 | gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid); | |
63 | memcpy(gid, mgid, sizeof(*mgid)); | |
c4f287c4 | 64 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
e126ba97 EC |
65 | } |
66 | EXPORT_SYMBOL(mlx5_core_detach_mcg); |