diff options
Diffstat (limited to 'include/uapi/linux/netfilter_ipv6')
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6_tables.h | 272 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_HL.h | 25 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_LOG.h | 20 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_NPT.h | 17 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h | 23 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_ah.h | 23 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_frag.h | 26 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_hl.h | 25 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_ipv6header.h | 29 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_mh.h | 17 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_opts.h | 25 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_rt.h | 34 | ||||
| -rw-r--r-- | include/uapi/linux/netfilter_ipv6/ip6t_srh.h | 96 |
13 files changed, 632 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter_ipv6/ip6_tables.h b/include/uapi/linux/netfilter_ipv6/ip6_tables.h new file mode 100644 index 000000000..766e8e0bc --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6_tables.h @@ -0,0 +1,272 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * 25-Jul-1998 Major changes to allow for ip chain table + * + * 3-Jan-2000 Named tables to allow packet selection for different uses. + */ + +/* + * Format of an IP6 firewall descriptor + * + * src, dst, src_mask, dst_mask are always stored in network byte order. + * flags are stored in host byte order (of course). + * Port numbers are stored in HOST byte order. + */ + +#ifndef _UAPI_IP6_TABLES_H +#define _UAPI_IP6_TABLES_H + +#include <linux/types.h> +#include <linux/compiler.h> +#include <linux/if.h> +#include <linux/netfilter_ipv6.h> + +#include <linux/netfilter/x_tables.h> + +#ifndef __KERNEL__ +#define IP6T_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN +#define IP6T_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN +#define ip6t_match xt_match +#define ip6t_target xt_target +#define ip6t_table xt_table +#define ip6t_get_revision xt_get_revision +#define ip6t_entry_match xt_entry_match +#define ip6t_entry_target xt_entry_target +#define ip6t_standard_target xt_standard_target +#define ip6t_error_target xt_error_target +#define ip6t_counters xt_counters +#define IP6T_CONTINUE XT_CONTINUE +#define IP6T_RETURN XT_RETURN + +/* Pre-iptables-1.4.0 */ +#include <linux/netfilter/xt_tcpudp.h> +#define ip6t_tcp xt_tcp +#define ip6t_udp xt_udp +#define IP6T_TCP_INV_SRCPT XT_TCP_INV_SRCPT +#define IP6T_TCP_INV_DSTPT XT_TCP_INV_DSTPT +#define IP6T_TCP_INV_FLAGS XT_TCP_INV_FLAGS +#define IP6T_TCP_INV_OPTION XT_TCP_INV_OPTION +#define IP6T_TCP_INV_MASK XT_TCP_INV_MASK +#define IP6T_UDP_INV_SRCPT XT_UDP_INV_SRCPT +#define IP6T_UDP_INV_DSTPT XT_UDP_INV_DSTPT +#define IP6T_UDP_INV_MASK XT_UDP_INV_MASK + +#define ip6t_counters_info xt_counters_info +#define IP6T_STANDARD_TARGET XT_STANDARD_TARGET +#define IP6T_ERROR_TARGET XT_ERROR_TARGET +#define IP6T_MATCH_ITERATE(e, fn, args...) \ + XT_MATCH_ITERATE(struct ip6t_entry, e, fn, ## args) +#define IP6T_ENTRY_ITERATE(entries, size, fn, args...) \ + XT_ENTRY_ITERATE(struct ip6t_entry, entries, size, fn, ## args) +#endif + +/* Yes, Virginia, you have to zero the padding. */ +struct ip6t_ip6 { + /* Source and destination IP6 addr */ + struct in6_addr src, dst; + /* Mask for src and dest IP6 addr */ + struct in6_addr smsk, dmsk; + char iniface[IFNAMSIZ], outiface[IFNAMSIZ]; + unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; + + /* Upper protocol number + * - The allowed value is 0 (any) or protocol number of last parsable + * header, which is 50 (ESP), 59 (No Next Header), 135 (MH), or + * the non IPv6 extension headers. + * - The protocol numbers of IPv6 extension headers except of ESP and + * MH do not match any packets. + * - You also need to set IP6T_FLAGS_PROTO to "flags" to check protocol. + */ + __u16 proto; + /* TOS to match iff flags & IP6T_F_TOS */ + __u8 tos; + + /* Flags word */ + __u8 flags; + /* Inverse flags */ + __u8 invflags; +}; + +/* Values for "flag" field in struct ip6t_ip6 (general ip6 structure). */ +#define IP6T_F_PROTO 0x01 /* Set if rule cares about upper + protocols */ +#define IP6T_F_TOS 0x02 /* Match the TOS. */ +#define IP6T_F_GOTO 0x04 /* Set if jump is a goto */ +#define IP6T_F_MASK 0x07 /* All possible flag bits mask. */ + +/* Values for "inv" field in struct ip6t_ip6. */ +#define IP6T_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */ +#define IP6T_INV_VIA_OUT 0x02 /* Invert the sense of OUT IFACE */ +#define IP6T_INV_TOS 0x04 /* Invert the sense of TOS. */ +#define IP6T_INV_SRCIP 0x08 /* Invert the sense of SRC IP. */ +#define IP6T_INV_DSTIP 0x10 /* Invert the sense of DST OP. */ +#define IP6T_INV_FRAG 0x20 /* Invert the sense of FRAG. */ +#define IP6T_INV_PROTO XT_INV_PROTO +#define IP6T_INV_MASK 0x7F /* All possible flag bits mask. */ + +/* This structure defines each of the firewall rules. Consists of 3 + parts which are 1) general IP header stuff 2) match specific + stuff 3) the target to perform if the rule matches */ +struct ip6t_entry { + struct ip6t_ip6 ipv6; + + /* Mark with fields that we care about. */ + unsigned int nfcache; + + /* Size of ipt_entry + matches */ + __u16 target_offset; + /* Size of ipt_entry + matches + target */ + __u16 next_offset; + + /* Back pointer */ + unsigned int comefrom; + + /* Packet and byte counters. */ + struct xt_counters counters; + + /* The matches (if any), then the target. */ + unsigned char elems[0]; +}; + +/* Standard entry */ +struct ip6t_standard { + struct ip6t_entry entry; + struct xt_standard_target target; +}; + +struct ip6t_error { + struct ip6t_entry entry; + struct xt_error_target target; +}; + +#define IP6T_ENTRY_INIT(__size) \ +{ \ + .target_offset = sizeof(struct ip6t_entry), \ + .next_offset = (__size), \ +} + +#define IP6T_STANDARD_INIT(__verdict) \ +{ \ + .entry = IP6T_ENTRY_INIT(sizeof(struct ip6t_standard)), \ + .target = XT_TARGET_INIT(XT_STANDARD_TARGET, \ + sizeof(struct xt_standard_target)), \ + .target.verdict = -(__verdict) - 1, \ +} + +#define IP6T_ERROR_INIT \ +{ \ + .entry = IP6T_ENTRY_INIT(sizeof(struct ip6t_error)), \ + .target = XT_TARGET_INIT(XT_ERROR_TARGET, \ + sizeof(struct xt_error_target)), \ + .target.errorname = "ERROR", \ +} + +/* + * New IP firewall options for [gs]etsockopt at the RAW IP level. + * Unlike BSD Linux inherits IP options so you don't have to use + * a raw socket for this. Instead we check rights in the calls. + * + * ATTENTION: check linux/in6.h before adding new number here. + */ +#define IP6T_BASE_CTL 64 + +#define IP6T_SO_SET_REPLACE (IP6T_BASE_CTL) +#define IP6T_SO_SET_ADD_COUNTERS (IP6T_BASE_CTL + 1) +#define IP6T_SO_SET_MAX IP6T_SO_SET_ADD_COUNTERS + +#define IP6T_SO_GET_INFO (IP6T_BASE_CTL) +#define IP6T_SO_GET_ENTRIES (IP6T_BASE_CTL + 1) +#define IP6T_SO_GET_REVISION_MATCH (IP6T_BASE_CTL + 4) +#define IP6T_SO_GET_REVISION_TARGET (IP6T_BASE_CTL + 5) +#define IP6T_SO_GET_MAX IP6T_SO_GET_REVISION_TARGET + +/* obtain original address if REDIRECT'd connection */ +#define IP6T_SO_ORIGINAL_DST 80 + +/* ICMP matching stuff */ +struct ip6t_icmp { + __u8 type; /* type to match */ + __u8 code[2]; /* range of code */ + __u8 invflags; /* Inverse flags */ +}; + +/* Values for "inv" field for struct ipt_icmp. */ +#define IP6T_ICMP_INV 0x01 /* Invert the sense of type/code test */ + +/* The argument to IP6T_SO_GET_INFO */ +struct ip6t_getinfo { + /* Which table: caller fills this in. */ + char name[XT_TABLE_MAXNAMELEN]; + + /* Kernel fills these in. */ + /* Which hook entry points are valid: bitmask */ + unsigned int valid_hooks; + + /* Hook entry points: one per netfilter hook. */ + unsigned int hook_entry[NF_INET_NUMHOOKS]; + + /* Underflow points. */ + unsigned int underflow[NF_INET_NUMHOOKS]; + + /* Number of entries */ + unsigned int num_entries; + + /* Size of entries. */ + unsigned int size; +}; + +/* The argument to IP6T_SO_SET_REPLACE. */ +struct ip6t_replace { + /* Which table. */ + char name[XT_TABLE_MAXNAMELEN]; + + /* Which hook entry points are valid: bitmask. You can't + change this. */ + unsigned int valid_hooks; + + /* Number of entries */ + unsigned int num_entries; + + /* Total size of new entries */ + unsigned int size; + + /* Hook entry points. */ + unsigned int hook_entry[NF_INET_NUMHOOKS]; + + /* Underflow points. */ + unsigned int underflow[NF_INET_NUMHOOKS]; + + /* Information about old entries: */ + /* Number of counters (must be equal to current number of entries). */ + unsigned int num_counters; + /* The old entries' counters. */ + struct xt_counters __user *counters; + + /* The entries (hang off end: not really an array). */ + struct ip6t_entry entries[]; +}; + +/* The argument to IP6T_SO_GET_ENTRIES. */ +struct ip6t_get_entries { + /* Which table: user fills this in. */ + char name[XT_TABLE_MAXNAMELEN]; + + /* User fills this in: total entry size. */ + unsigned int size; + + /* The entries. */ + struct ip6t_entry entrytable[]; +}; + +/* Helper functions */ +static __inline__ struct xt_entry_target * +ip6t_get_target(struct ip6t_entry *e) +{ + return (struct xt_entry_target *)((char *)e + e->target_offset); +} + +/* + * Main firewall chains definitions and global var's definitions. + */ + +#endif /* _UAPI_IP6_TABLES_H */ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_HL.h b/include/uapi/linux/netfilter_ipv6/ip6t_HL.h new file mode 100644 index 000000000..eaed56a28 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_HL.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* Hop Limit modification module for ip6tables + * Maciej Soltysiak <solt@dns.toxicfilms.tv> + * Based on HW's TTL module */ + +#ifndef _IP6T_HL_H +#define _IP6T_HL_H + +#include <linux/types.h> + +enum { + IP6T_HL_SET = 0, + IP6T_HL_INC, + IP6T_HL_DEC +}; + +#define IP6T_HL_MAXMODE IP6T_HL_DEC + +struct ip6t_HL_info { + __u8 mode; + __u8 hop_limit; +}; + + +#endif diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h b/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h new file mode 100644 index 000000000..0b7b16dbd --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_LOG_H +#define _IP6T_LOG_H + +/* make sure not to change this without changing netfilter.h:NF_LOG_* (!) */ +#define IP6T_LOG_TCPSEQ 0x01 /* Log TCP sequence numbers */ +#define IP6T_LOG_TCPOPT 0x02 /* Log TCP options */ +#define IP6T_LOG_IPOPT 0x04 /* Log IP options */ +#define IP6T_LOG_UID 0x08 /* Log UID owning local socket */ +#define IP6T_LOG_NFLOG 0x10 /* Unsupported, don't use */ +#define IP6T_LOG_MACDECODE 0x20 /* Decode MAC header */ +#define IP6T_LOG_MASK 0x2f + +struct ip6t_log_info { + unsigned char level; + unsigned char logflags; + char prefix[30]; +}; + +#endif /* _IP6T_LOG_H */ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_NPT.h b/include/uapi/linux/netfilter_ipv6/ip6t_NPT.h new file mode 100644 index 000000000..422aef076 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_NPT.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __NETFILTER_IP6T_NPT +#define __NETFILTER_IP6T_NPT + +#include <linux/types.h> +#include <linux/netfilter.h> + +struct ip6t_npt_tginfo { + union nf_inet_addr src_pfx; + union nf_inet_addr dst_pfx; + __u8 src_pfx_len; + __u8 dst_pfx_len; + /* Used internally by the kernel */ + __sum16 adjustment; +}; + +#endif /* __NETFILTER_IP6T_NPT */ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h b/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h new file mode 100644 index 000000000..158ffa5f4 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_REJECT_H +#define _IP6T_REJECT_H + +#include <linux/types.h> + +enum ip6t_reject_with { + IP6T_ICMP6_NO_ROUTE, + IP6T_ICMP6_ADM_PROHIBITED, + IP6T_ICMP6_NOT_NEIGHBOUR, + IP6T_ICMP6_ADDR_UNREACH, + IP6T_ICMP6_PORT_UNREACH, + IP6T_ICMP6_ECHOREPLY, + IP6T_TCP_RESET, + IP6T_ICMP6_POLICY_FAIL, + IP6T_ICMP6_REJECT_ROUTE +}; + +struct ip6t_reject_info { + __u32 with; /* reject type */ +}; + +#endif /*_IP6T_REJECT_H*/ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_ah.h b/include/uapi/linux/netfilter_ipv6/ip6t_ah.h new file mode 100644 index 000000000..9a4174e08 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_ah.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_AH_H +#define _IP6T_AH_H + +#include <linux/types.h> + +struct ip6t_ah { + __u32 spis[2]; /* Security Parameter Index */ + __u32 hdrlen; /* Header Length */ + __u8 hdrres; /* Test of the Reserved Filed */ + __u8 invflags; /* Inverse flags */ +}; + +#define IP6T_AH_SPI 0x01 +#define IP6T_AH_LEN 0x02 +#define IP6T_AH_RES 0x04 + +/* Values for "invflags" field in struct ip6t_ah. */ +#define IP6T_AH_INV_SPI 0x01 /* Invert the sense of spi. */ +#define IP6T_AH_INV_LEN 0x02 /* Invert the sense of length. */ +#define IP6T_AH_INV_MASK 0x03 /* All possible flags. */ + +#endif /*_IP6T_AH_H*/ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_frag.h b/include/uapi/linux/netfilter_ipv6/ip6t_frag.h new file mode 100644 index 000000000..9acac816b --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_frag.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_FRAG_H +#define _IP6T_FRAG_H + +#include <linux/types.h> + +struct ip6t_frag { + __u32 ids[2]; /* Identification range */ + __u32 hdrlen; /* Header Length */ + __u8 flags; /* Flags */ + __u8 invflags; /* Inverse flags */ +}; + +#define IP6T_FRAG_IDS 0x01 +#define IP6T_FRAG_LEN 0x02 +#define IP6T_FRAG_RES 0x04 +#define IP6T_FRAG_FST 0x08 +#define IP6T_FRAG_MF 0x10 +#define IP6T_FRAG_NMF 0x20 + +/* Values for "invflags" field in struct ip6t_frag. */ +#define IP6T_FRAG_INV_IDS 0x01 /* Invert the sense of ids. */ +#define IP6T_FRAG_INV_LEN 0x02 /* Invert the sense of length. */ +#define IP6T_FRAG_INV_MASK 0x03 /* All possible flags. */ + +#endif /*_IP6T_FRAG_H*/ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_hl.h b/include/uapi/linux/netfilter_ipv6/ip6t_hl.h new file mode 100644 index 000000000..6b62f9418 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_hl.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* ip6tables module for matching the Hop Limit value + * Maciej Soltysiak <solt@dns.toxicfilms.tv> + * Based on HW's ttl module */ + +#ifndef _IP6T_HL_H +#define _IP6T_HL_H + +#include <linux/types.h> + +enum { + IP6T_HL_EQ = 0, /* equals */ + IP6T_HL_NE, /* not equals */ + IP6T_HL_LT, /* less than */ + IP6T_HL_GT, /* greater than */ +}; + + +struct ip6t_hl_info { + __u8 mode; + __u8 hop_limit; +}; + + +#endif diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_ipv6header.h b/include/uapi/linux/netfilter_ipv6/ip6t_ipv6header.h new file mode 100644 index 000000000..5a5196914 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_ipv6header.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* ipv6header match - matches IPv6 packets based +on whether they contain certain headers */ + +/* Original idea: Brad Chapman + * Rewritten by: Andras Kis-Szabo <kisza@sch.bme.hu> */ + + +#ifndef __IPV6HEADER_H +#define __IPV6HEADER_H + +#include <linux/types.h> + +struct ip6t_ipv6header_info { + __u8 matchflags; + __u8 invflags; + __u8 modeflag; +}; + +#define MASK_HOPOPTS 128 +#define MASK_DSTOPTS 64 +#define MASK_ROUTING 32 +#define MASK_FRAGMENT 16 +#define MASK_AH 8 +#define MASK_ESP 4 +#define MASK_NONE 2 +#define MASK_PROTO 1 + +#endif /* __IPV6HEADER_H */ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_mh.h b/include/uapi/linux/netfilter_ipv6/ip6t_mh.h new file mode 100644 index 000000000..906196283 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_mh.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_MH_H +#define _IP6T_MH_H + +#include <linux/types.h> + +/* MH matching stuff */ +struct ip6t_mh { + __u8 types[2]; /* MH type range */ + __u8 invflags; /* Inverse flags */ +}; + +/* Values for "invflags" field in struct ip6t_mh. */ +#define IP6T_MH_INV_TYPE 0x01 /* Invert the sense of type. */ +#define IP6T_MH_INV_MASK 0x01 /* All possible flags. */ + +#endif /*_IP6T_MH_H*/ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_opts.h b/include/uapi/linux/netfilter_ipv6/ip6t_opts.h new file mode 100644 index 000000000..79f9a477c --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_opts.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_OPTS_H +#define _IP6T_OPTS_H + +#include <linux/types.h> + +#define IP6T_OPTS_OPTSNR 16 + +struct ip6t_opts { + __u32 hdrlen; /* Header Length */ + __u8 flags; /* */ + __u8 invflags; /* Inverse flags */ + __u16 opts[IP6T_OPTS_OPTSNR]; /* opts */ + __u8 optsnr; /* Nr of OPts */ +}; + +#define IP6T_OPTS_LEN 0x01 +#define IP6T_OPTS_OPTS 0x02 +#define IP6T_OPTS_NSTRICT 0x04 + +/* Values for "invflags" field in struct ip6t_rt. */ +#define IP6T_OPTS_INV_LEN 0x01 /* Invert the sense of length. */ +#define IP6T_OPTS_INV_MASK 0x01 /* All possible flags. */ + +#endif /*_IP6T_OPTS_H*/ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_rt.h b/include/uapi/linux/netfilter_ipv6/ip6t_rt.h new file mode 100644 index 000000000..9c23e8ad2 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_rt.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6T_RT_H +#define _IP6T_RT_H + +#include <linux/types.h> +#include <linux/in6.h> + +#define IP6T_RT_HOPS 16 + +struct ip6t_rt { + __u32 rt_type; /* Routing Type */ + __u32 segsleft[2]; /* Segments Left */ + __u32 hdrlen; /* Header Length */ + __u8 flags; /* */ + __u8 invflags; /* Inverse flags */ + struct in6_addr addrs[IP6T_RT_HOPS]; /* Hops */ + __u8 addrnr; /* Nr of Addresses */ +}; + +#define IP6T_RT_TYP 0x01 +#define IP6T_RT_SGS 0x02 +#define IP6T_RT_LEN 0x04 +#define IP6T_RT_RES 0x08 +#define IP6T_RT_FST_MASK 0x30 +#define IP6T_RT_FST 0x10 +#define IP6T_RT_FST_NSTRICT 0x20 + +/* Values for "invflags" field in struct ip6t_rt. */ +#define IP6T_RT_INV_TYP 0x01 /* Invert the sense of type. */ +#define IP6T_RT_INV_SGS 0x02 /* Invert the sense of Segments. */ +#define IP6T_RT_INV_LEN 0x04 /* Invert the sense of length. */ +#define IP6T_RT_INV_MASK 0x07 /* All possible flags. */ + +#endif /*_IP6T_RT_H*/ diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_srh.h b/include/uapi/linux/netfilter_ipv6/ip6t_srh.h new file mode 100644 index 000000000..54ed83360 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv6/ip6t_srh.h @@ -0,0 +1,96 @@ +/* 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*/ |