/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

#ifndef __LINUX_FIB_RULES_H

#define __LINUX_FIB_RULES_H

#include <linux/types.h>

#include <linux/rtnetlink.h>

/* rule is permanent, and cannot be deleted */

#define FIB_RULE_PERMANENT	0x00000001

#define FIB_RULE_INVERT		0x00000002

#define FIB_RULE_UNRESOLVED	0x00000004

#define FIB_RULE_IIF_DETACHED	0x00000008

#define FIB_RULE_DEV_DETACHED	FIB_RULE_IIF_DETACHED

#define FIB_RULE_OIF_DETACHED	0x00000010

/* try to find source address in routing lookups */

#define FIB_RULE_FIND_SADDR	0x00010000

struct fib_rule_hdr {

	__u8		family;

	__u8		dst_len;

	__u8		src_len;

	__u8		tos;

	__u8		table;

	__u8		res1;   /* reserved */

	__u8		res2;	/* reserved */

	__u8		action;

	__u32		flags;

};

struct fib_rule_uid_range {

	__u32		start;

	__u32		end;

};

struct fib_rule_port_range {

	__u16		start;

	__u16		end;

};

enum {

	FRA_UNSPEC,

	FRA_DST,	/* destination address */

	FRA_SRC,	/* source address */

	FRA_IIFNAME,	/* interface name */

#define FRA_IFNAME	FRA_IIFNAME

	FRA_GOTO,	/* target to jump to (FR_ACT_GOTO) */

	FRA_UNUSED2,

	FRA_PRIORITY,	/* priority/preference */

	FRA_UNUSED3,

	FRA_UNUSED4,

	FRA_UNUSED5,

	FRA_FWMARK,	/* mark */

	FRA_FLOW,	/* flow/class id */

	FRA_TUN_ID,

	FRA_SUPPRESS_IFGROUP,

	FRA_SUPPRESS_PREFIXLEN,

	FRA_TABLE,	/* Extended table id */

	FRA_FWMASK,	/* mask for netfilter mark */

	FRA_OIFNAME,

	FRA_PAD,

	FRA_L3MDEV,	/* iif or oif is l3mdev goto its table */

	FRA_UID_RANGE,	/* UID range */

	FRA_PROTOCOL,   /* Originator of the rule */

	FRA_IP_PROTO,	/* ip proto */

	FRA_SPORT_RANGE, /* sport */

	FRA_DPORT_RANGE, /* dport */

	__FRA_MAX

};

#define FRA_MAX (__FRA_MAX - 1)

enum {

	FR_ACT_UNSPEC,

	FR_ACT_TO_TBL,		/* Pass to fixed table */

	FR_ACT_GOTO,		/* Jump to another rule */

	FR_ACT_NOP,		/* No operation */

	FR_ACT_RES3,

	FR_ACT_RES4,

	FR_ACT_BLACKHOLE,	/* Drop without notification */

	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */

	FR_ACT_PROHIBIT,	/* Drop with EACCES */

	__FR_ACT_MAX,

};

#define FR_ACT_MAX (__FR_ACT_MAX - 1)

#endif