Quelle fib_rules.h Sprache: C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__LINUX_FIB_RULES_H
#define _UAPI__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_DSCP, /* dscp */
FRA_FLOWLABEL, /* flowlabel */
FRA_FLOWLABEL_MASK, /* flowlabel mask */
FRA_SPORT_MASK, /* sport mask */
FRA_DPORT_MASK, /* dport mask */
FRA_DSCP_MASK, /* dscp mask */
__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

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