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| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
|---|---|
| 2 | #ifndef _IP6T_SRH_H |
| 3 | #define _IP6T_SRH_H |
| 4 | |
| 5 | #include <linux/types.h> |
| 6 | #include <linux/netfilter.h> |
| 7 | |
| 8 | /* Values for "mt_flags" field in struct ip6t_srh */ |
| 9 | #define IP6T_SRH_NEXTHDR 0x0001 |
| 10 | #define IP6T_SRH_LEN_EQ 0x0002 |
| 11 | #define IP6T_SRH_LEN_GT 0x0004 |
| 12 | #define IP6T_SRH_LEN_LT 0x0008 |
| 13 | #define IP6T_SRH_SEGS_EQ 0x0010 |
| 14 | #define IP6T_SRH_SEGS_GT 0x0020 |
| 15 | #define IP6T_SRH_SEGS_LT 0x0040 |
| 16 | #define IP6T_SRH_LAST_EQ 0x0080 |
| 17 | #define IP6T_SRH_LAST_GT 0x0100 |
| 18 | #define IP6T_SRH_LAST_LT 0x0200 |
| 19 | #define IP6T_SRH_TAG 0x0400 |
| 20 | #define IP6T_SRH_PSID 0x0800 |
| 21 | #define IP6T_SRH_NSID 0x1000 |
| 22 | #define IP6T_SRH_LSID 0x2000 |
| 23 | #define IP6T_SRH_MASK 0x3FFF |
| 24 | |
| 25 | /* Values for "mt_invflags" field in struct ip6t_srh */ |
| 26 | #define IP6T_SRH_INV_NEXTHDR 0x0001 |
| 27 | #define IP6T_SRH_INV_LEN_EQ 0x0002 |
| 28 | #define IP6T_SRH_INV_LEN_GT 0x0004 |
| 29 | #define IP6T_SRH_INV_LEN_LT 0x0008 |
| 30 | #define IP6T_SRH_INV_SEGS_EQ 0x0010 |
| 31 | #define IP6T_SRH_INV_SEGS_GT 0x0020 |
| 32 | #define IP6T_SRH_INV_SEGS_LT 0x0040 |
| 33 | #define IP6T_SRH_INV_LAST_EQ 0x0080 |
| 34 | #define IP6T_SRH_INV_LAST_GT 0x0100 |
| 35 | #define IP6T_SRH_INV_LAST_LT 0x0200 |
| 36 | #define IP6T_SRH_INV_TAG 0x0400 |
| 37 | #define IP6T_SRH_INV_PSID 0x0800 |
| 38 | #define IP6T_SRH_INV_NSID 0x1000 |
| 39 | #define IP6T_SRH_INV_LSID 0x2000 |
| 40 | #define IP6T_SRH_INV_MASK 0x3FFF |
| 41 | |
| 42 | /** |
| 43 | * struct ip6t_srh - SRH match options |
| 44 | * @ next_hdr: Next header field of SRH |
| 45 | * @ hdr_len: Extension header length field of SRH |
| 46 | * @ segs_left: Segments left field of SRH |
| 47 | * @ last_entry: Last entry field of SRH |
| 48 | * @ tag: Tag field of SRH |
| 49 | * @ mt_flags: match options |
| 50 | * @ mt_invflags: Invert the sense of match options |
| 51 | */ |
| 52 | |
| 53 | struct ip6t_srh { |
| 54 | __u8 next_hdr; |
| 55 | __u8 hdr_len; |
| 56 | __u8 segs_left; |
| 57 | __u8 last_entry; |
| 58 | __u16 tag; |
| 59 | __u16 mt_flags; |
| 60 | __u16 mt_invflags; |
| 61 | }; |
| 62 | |
| 63 | /** |
| 64 | * struct ip6t_srh1 - SRH match options (revision 1) |
| 65 | * @ next_hdr: Next header field of SRH |
| 66 | * @ hdr_len: Extension header length field of SRH |
| 67 | * @ segs_left: Segments left field of SRH |
| 68 | * @ last_entry: Last entry field of SRH |
| 69 | * @ tag: Tag field of SRH |
| 70 | * @ psid_addr: Address of previous SID in SRH SID list |
| 71 | * @ nsid_addr: Address of NEXT SID in SRH SID list |
| 72 | * @ lsid_addr: Address of LAST SID in SRH SID list |
| 73 | * @ psid_msk: Mask of previous SID in SRH SID list |
| 74 | * @ nsid_msk: Mask of next SID in SRH SID list |
| 75 | * @ lsid_msk: MAsk of last SID in SRH SID list |
| 76 | * @ mt_flags: match options |
| 77 | * @ mt_invflags: Invert the sense of match options |
| 78 | */ |
| 79 | |
| 80 | struct ip6t_srh1 { |
| 81 | __u8 next_hdr; |
| 82 | __u8 hdr_len; |
| 83 | __u8 segs_left; |
| 84 | __u8 last_entry; |
| 85 | __u16 tag; |
| 86 | struct in6_addr psid_addr; |
| 87 | struct in6_addr nsid_addr; |
| 88 | struct in6_addr lsid_addr; |
| 89 | struct in6_addr psid_msk; |
| 90 | struct in6_addr nsid_msk; |
| 91 | struct in6_addr lsid_msk; |
| 92 | __u16 mt_flags; |
| 93 | __u16 mt_invflags; |
| 94 | }; |
| 95 | |
| 96 | #endif /*_IP6T_SRH_H*/ |
| 97 |
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