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