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(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 #else 60 static inline struct mlx5_vxlan* 61 mlx5_vxlan_create(struct mlx5_core_dev *mdev) { return ERR_PTR(-EOPNOTSUPP); } 62 static inline void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan) { return; } 63 static inline int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; } 64 static inline int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; } 65 static inline bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { return false; } 66 #endif 67 68 #endif /* __MLX5_VXLAN_H__ */ 69