mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 02:18:13 +07:00
c0dd967818
Bring the erspan uapi header file so BPF tunnel helpers can use it.
Fixes: 933a741e3b ("selftests/bpf: bpf tunnel test.")
Reported-by: Yonghong Song <yhs@fb.com>
Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
/*
|
|
* ERSPAN Tunnel Metadata
|
|
*
|
|
* Copyright (c) 2018 VMware
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* Userspace API for metadata mode ERSPAN tunnel
|
|
*/
|
|
#ifndef _UAPI_ERSPAN_H
|
|
#define _UAPI_ERSPAN_H
|
|
|
|
#include <linux/types.h> /* For __beXX in userspace */
|
|
#include <asm/byteorder.h>
|
|
|
|
/* ERSPAN version 2 metadata header */
|
|
struct erspan_md2 {
|
|
__be32 timestamp;
|
|
__be16 sgt; /* security group tag */
|
|
#if defined(__LITTLE_ENDIAN_BITFIELD)
|
|
__u8 hwid_upper:2,
|
|
ft:5,
|
|
p:1;
|
|
__u8 o:1,
|
|
gra:2,
|
|
dir:1,
|
|
hwid:4;
|
|
#elif defined(__BIG_ENDIAN_BITFIELD)
|
|
__u8 p:1,
|
|
ft:5,
|
|
hwid_upper:2;
|
|
__u8 hwid:4,
|
|
dir:1,
|
|
gra:2,
|
|
o:1;
|
|
#else
|
|
#error "Please fix <asm/byteorder.h>"
|
|
#endif
|
|
};
|
|
|
|
struct erspan_metadata {
|
|
int version;
|
|
union {
|
|
__be32 index; /* Version 1 (type II)*/
|
|
struct erspan_md2 md2; /* Version 2 (type III) */
|
|
} u;
|
|
};
|
|
|
|
#endif /* _UAPI_ERSPAN_H */
|