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 bool mlx5_vxlan_allowed(struct mlx5_vxlan *vxlan)
41 {
42 /* not allowed reason is encoded in vxlan pointer as error,
43 * on mlx5_vxlan_create
44 */
45 return !IS_ERR_OR_NULL(vxlan);
46 }
47
48 #if IS_ENABLED(CONFIG_VXLAN)
49 struct mlx5_vxlan *mlx5_vxlan_create(struct mlx5_core_dev *mdev);
50 void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan);
51 int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port);
52 int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port);
53 struct mlx5_vxlan_port *mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port);
54 #else
55 static inline struct mlx5_vxlan*
56 mlx5_vxlan_create(struct mlx5_core_dev *mdev) { return ERR_PTR(-EOPNOTSUPP); }
57 static inline void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan) { return; }
58 static inline int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; }
59 static inline int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; }
60 static inline struct mx5_vxlan_port*
61 mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { return NULL; }
62 #endif
63
64 #endif /* __MLX5_VXLAN_H__ */