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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253/* 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 */