# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
---
name: rt-rule
protocol: netlink-raw
uapi-header: linux/fib_rules.h
protonum: 0
doc:
FIB rule management over rtnetlink.
definitions:
-
name: rtgenmsg
type: struct
members:
-
name: family
type: u8
-
name: pad
type: pad
len: 3
-
name: fib-rule-hdr
type: struct
members:
-
name: family
type: u8
-
name: dst-len
type: u8
-
name: src-len
type: u8
-
name: tos
type: u8
-
name: table
type: u8
-
name: res1
type: pad
len: 1
-
name: res2
type: pad
len: 1
-
name: action
type: u8
enum: fr-act
-
name: flags
type: u32
-
name: fr-act
type: enum
enum-name:
entries:
- unspec
- to-tbl
- goto
- nop
- res3
- res4
- blackhole
- unreachable
- prohibit
-
name: fib-rule-port-range
type: struct
members:
-
name: start
type: u16
-
name: end
type: u16
-
name: fib-rule-uid-range
type: struct
members:
-
name: start
type: u32
-
name: end
type: u32
attribute-sets:
-
name: fib-rule-attrs
name-prefix: fra-
attributes:
-
name: dst
type: u32
-
name: src
type: u32
-
name: iifname
type: string
-
name: goto
type: u32
-
name: unused2
type: pad
-
name: priority
type: u32
-
name: unused3
type: pad
-
name: unused4
type: pad
-
name: unused5
type: pad
-
name: fwmark
type: u32
display-hint: hex
-
name: flow
type: u32
-
name: tun-id
type: u64
-
name: suppress-ifgroup
type: u32
-
name: suppress-prefixlen
type: u32
display-hint: hex
-
name: table
type: u32
-
name: fwmask
type: u32
display-hint: hex
-
name: oifname
type: string
-
name: pad
type: pad
-
name: l3mdev
type: u8
-
name: uid-range
type: binary
struct: fib-rule-uid-range
-
name: protocol
type: u8
-
name: ip-proto
type: u8
-
name: sport-range
type: binary
struct: fib-rule-port-range
-
name: dport-range
type: binary
struct: fib-rule-port-range
-
name: dscp
type: u8
-
name: flowlabel
type: u32
byte-order: big-endian
display-hint: hex
-
name: flowlabel-mask
type: u32
byte-order: big-endian
display-hint: hex
-
name: sport-mask
type: u16
display-hint: hex
-
name: dport-mask
type: u16
display-hint: hex
-
name: dscp-mask
type: u8
display-hint: hex
operations:
enum-model: directional
fixed-header: fib-rule-hdr
name-prefix: rtm-
list:
-
name: newrule
doc: Add new FIB rule
attribute-set: fib-rule-attrs
do:
request:
value: 32
attributes: &fib-rule-all
- iifname
- oifname
- priority
- fwmark
- flow
- tun-id
- fwmask
- table
- suppress-prefixlen
- suppress-ifgroup
- goto
- l3mdev
- uid-range
- protocol
- ip-proto
- sport-range
- dport-range
- dscp
- flowlabel
- flowlabel-mask
- sport-mask
- dport-mask
- dscp-mask
-
name: newrule-ntf
doc: Notify a rule creation
value: 32
notify: getrule
-
name: delrule
doc: Remove an existing FIB rule
attribute-set: fib-rule-attrs
do:
request:
value: 33
attributes: *fib-rule-all
-
name: delrule-ntf
doc: Notify a rule deletion
value: 33
notify: getrule
-
name: getrule
doc: Dump all FIB rules
attribute-set: fib-rule-attrs
dump:
request:
value: 34
reply:
value: 32
attributes: *fib-rule-all
mcast-groups:
list:
-
name: rtnlgrp-ipv4-rule
value: 8
-
name: rtnlgrp-ipv6-rule
value: 19
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