Na}{

File Content: `fs_helpers.h`

/*
 * 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

Name	Size	Permission
cq.h	5946 bytes	0644
device.h	39003 bytes	0644
doorbell.h	2271 bytes	0644
driver.h	38993 bytes	0644
eq.h	1761 bytes	0644
eswitch.h	6969 bytes	0644
fs.h	10019 bytes	0644
fs_helpers.h	2978 bytes	0644
macsec.h	1090 bytes	0644
mlx5_ifc.h	315747 bytes	0644
mlx5_ifc_fpga.h	9076 bytes	0644
mlx5_ifc_vdpa.h	5373 bytes	0644
mpfs.h	540 bytes	0644
port.h	8245 bytes	0644
qp.h	12869 bytes	0644
rsc_dump.h	1288 bytes	0644
transobj.h	3567 bytes	0644
vport.h	5800 bytes	0644

File Content: fs_helpers.h

File Content: `fs_helpers.h`