Viewing file:  fib_rules.h (1.99 KB) -rw-r--r--
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/* 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
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