/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _IP6T_SRH_H
#define _IP6T_SRH_H
#include <linux/types.h>
#include <linux/netfilter.h>
/* Values for "mt_flags" field in struct ip6t_srh */
#define IP6T_SRH_NEXTHDR 0x0001
#define IP6T_SRH_LEN_EQ 0x0002
#define IP6T_SRH_LEN_GT 0x0004
#define IP6T_SRH_LEN_LT 0x0008
#define IP6T_SRH_SEGS_EQ 0x0010
#define IP6T_SRH_SEGS_GT 0x0020
#define IP6T_SRH_SEGS_LT 0x0040
#define IP6T_SRH_LAST_EQ 0x0080
#define IP6T_SRH_LAST_GT 0x0100
#define IP6T_SRH_LAST_LT 0x0200
#define IP6T_SRH_TAG 0x0400
#define IP6T_SRH_PSID 0x0800
#define IP6T_SRH_NSID 0x1000
#define IP6T_SRH_LSID 0x2000
#define IP6T_SRH_MASK 0x3FFF
/* Values for "mt_invflags" field in struct ip6t_srh */
#define IP6T_SRH_INV_NEXTHDR 0x0001
#define IP6T_SRH_INV_LEN_EQ 0x0002
#define IP6T_SRH_INV_LEN_GT 0x0004
#define IP6T_SRH_INV_LEN_LT 0x0008
#define IP6T_SRH_INV_SEGS_EQ 0x0010
#define IP6T_SRH_INV_SEGS_GT 0x0020
#define IP6T_SRH_INV_SEGS_LT 0x0040
#define IP6T_SRH_INV_LAST_EQ 0x0080
#define IP6T_SRH_INV_LAST_GT 0x0100
#define IP6T_SRH_INV_LAST_LT 0x0200
#define IP6T_SRH_INV_TAG 0x0400
#define IP6T_SRH_INV_PSID 0x0800
#define IP6T_SRH_INV_NSID 0x1000
#define IP6T_SRH_INV_LSID 0x2000
#define IP6T_SRH_INV_MASK 0x3FFF
/**
* struct ip6t_srh - SRH match options
* @ next_hdr: Next header field of SRH
* @ hdr_len: Extension header length field of SRH
* @ segs_left: Segments left field of SRH
* @ last_entry: Last entry field of SRH
* @ tag: Tag field of SRH
* @ mt_flags: match options
* @ mt_invflags: Invert the sense of match options
*/
struct ip6t_srh {
__u8 next_hdr;
__u8 hdr_len;
__u8 segs_left;
__u8 last_entry;
__u16 tag;
__u16 mt_flags;
__u16 mt_invflags;
};
/**
* struct ip6t_srh1 - SRH match options (revision 1)
* @ next_hdr: Next header field of SRH
* @ hdr_len: Extension header length field of SRH
* @ segs_left: Segments left field of SRH
* @ last_entry: Last entry field of SRH
* @ tag: Tag field of SRH
* @ psid_addr: Address of previous SID in SRH SID list
* @ nsid_addr: Address of NEXT SID in SRH SID list
* @ lsid_addr: Address of LAST SID in SRH SID list
* @ psid_msk: Mask of previous SID in SRH SID list
* @ nsid_msk: Mask of next SID in SRH SID list
* @ lsid_msk: MAsk of last SID in SRH SID list
* @ mt_flags: match options
* @ mt_invflags: Invert the sense of match options
*/
struct ip6t_srh1 {
__u8 next_hdr;
__u8 hdr_len;
__u8 segs_left;
__u8 last_entry;
__u16 tag;
struct in6_addr psid_addr;
struct in6_addr nsid_addr;
struct in6_addr lsid_addr;
struct in6_addr psid_msk;
struct in6_addr nsid_msk;
struct in6_addr lsid_msk;
__u16 mt_flags;
__u16 mt_invflags;
};
#endif /*_IP6T_SRH_H*/
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