/* 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 */