1 | /* |
2 | * Copyright (c) 2016, Mellanox Technologies, Ltd. All rights reserved. |
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 | #ifndef __MLX5_VXLAN_H__ |
33 | #define __MLX5_VXLAN_H__ |
34 | |
35 | #include <linux/mlx5/driver.h> |
36 | |
37 | struct mlx5_vxlan; |
38 | struct mlx5_vxlan_port; |
39 | |
40 | static inline u8 mlx5_vxlan_max_udp_ports(struct mlx5_core_dev *mdev) |
41 | { |
42 | return MLX5_CAP_ETH(mdev, max_vxlan_udp_ports) ?: 4; |
43 | } |
44 | |
45 | static inline bool mlx5_vxlan_allowed(struct mlx5_vxlan *vxlan) |
46 | { |
47 | /* not allowed reason is encoded in vxlan pointer as error, |
48 | * on mlx5_vxlan_create |
49 | */ |
50 | return !IS_ERR_OR_NULL(ptr: vxlan); |
51 | } |
52 | |
53 | #if IS_ENABLED(CONFIG_VXLAN) |
54 | struct mlx5_vxlan *mlx5_vxlan_create(struct mlx5_core_dev *mdev); |
55 | void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan); |
56 | int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port); |
57 | int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port); |
58 | bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port); |
59 | void mlx5_vxlan_reset_to_default(struct mlx5_vxlan *vxlan); |
60 | #else |
61 | static inline struct mlx5_vxlan* |
62 | mlx5_vxlan_create(struct mlx5_core_dev *mdev) { return ERR_PTR(-EOPNOTSUPP); } |
63 | static inline void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan) { return; } |
64 | static inline int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; } |
65 | static inline int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; } |
66 | static inline bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { return false; } |
67 | static inline void mlx5_vxlan_reset_to_default(struct mlx5_vxlan *vxlan) { return; } |
68 | #endif |
69 | |
70 | #endif /* __MLX5_VXLAN_H__ */ |
71 | |