Files
cubelinux-kernel/include/linux/mlx5/fs_helpers.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

95 lines
2.9 KiB
C

/*
* Copyright (c) 2018, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _MLX5_FS_HELPERS_
#define _MLX5_FS_HELPERS_
#include <linux/mlx5/mlx5_ifc.h>
#define MLX5_FS_IPV4_VERSION 4
#define MLX5_FS_IPV6_VERSION 6
static inline bool _mlx5_fs_is_outer_ipv_flow(struct mlx5_core_dev *mdev,
const u32 *match_c,
const u32 *match_v, int version)
{
int match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
ft_field_support.outer_ip_version);
const void *headers_c = MLX5_ADDR_OF(fte_match_param, match_c,
outer_headers);
const void *headers_v = MLX5_ADDR_OF(fte_match_param, match_v,
outer_headers);
if (!match_ipv) {
u16 ethertype;
switch (version) {
case MLX5_FS_IPV4_VERSION:
ethertype = ETH_P_IP;
break;
case MLX5_FS_IPV6_VERSION:
ethertype = ETH_P_IPV6;
break;
default:
return false;
}
return MLX5_GET(fte_match_set_lyr_2_4, headers_c,
ethertype) == 0xffff &&
MLX5_GET(fte_match_set_lyr_2_4, headers_v,
ethertype) == ethertype;
}
return MLX5_GET(fte_match_set_lyr_2_4, headers_c,
ip_version) == 0xf &&
MLX5_GET(fte_match_set_lyr_2_4, headers_v,
ip_version) == version;
}
static inline bool
mlx5_fs_is_outer_ipv4_flow(struct mlx5_core_dev *mdev, const u32 *match_c,
const u32 *match_v)
{
return _mlx5_fs_is_outer_ipv_flow(mdev, match_c, match_v,
MLX5_FS_IPV4_VERSION);
}
static inline bool
mlx5_fs_is_outer_ipv6_flow(struct mlx5_core_dev *mdev, const u32 *match_c,
const u32 *match_v)
{
return _mlx5_fs_is_outer_ipv_flow(mdev, match_c, match_v,
MLX5_FS_IPV6_VERSION);
}
#endif