cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vxlan.h (2890B)

      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
     37struct mlx5_vxlan;
     38struct mlx5_vxlan_port;
     39
     40static 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
     45static 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)
     54struct mlx5_vxlan *mlx5_vxlan_create(struct mlx5_core_dev *mdev);
     55void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan);
     56int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port);
     57int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port);
     58bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port);
     59void mlx5_vxlan_reset_to_default(struct mlx5_vxlan *vxlan);
     60#else
     61static inline struct mlx5_vxlan*
     62mlx5_vxlan_create(struct mlx5_core_dev *mdev) { return ERR_PTR(-EOPNOTSUPP); }
     63static inline void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan) { return; }
     64static inline int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; }
     65static inline int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; }
     66static inline bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { return false; }
     67static inline void mlx5_vxlan_reset_to_default(struct mlx5_vxlan *vxlan) { return; }
     68#endif
     69
     70#endif /* __MLX5_VXLAN_H__ */