Family rt-addr netlink specification

Contents

• Family rt-addr netlink specification

  • Summary

  • Operations

    • newaddr

    • deladdr

    • getaddr

    • getmulticast

  • Multicast groups

  • Definitions

    • ifaddrmsg

    • ifa-cacheinfo

    • ifa-flags

  • Attribute sets

    • addr-attrs

Summary

Address configuration over rtnetlink.

Operations

newaddr

Add new address

attribute-set

addr-attrs

do

request

attributes

[address, label, local, cacheinfo]

deladdr

Remove address

attribute-set

addr-attrs

do

request

attributes

[address, local]

getaddr

Dump address information.

attribute-set

addr-attrs

dump

request

attributes

[]

reply

attributes

[address, label, local, cacheinfo]

getmulticast

Get / dump IPv4/IPv6 multicast addresses.

attribute-set

addr-attrs

fixed-header

ifaddrmsg

do

request

attributes

[]

reply

attributes

[multicast, cacheinfo]

dump

request

attributes

[]

reply

attributes

[multicast, cacheinfo]

Multicast groups

• rtnlgrp-ipv4-ifaddr

• rtnlgrp-ipv6-ifaddr

Definitions

ifaddrmsg

type

struct

members

ifa-family (u8)

ifa-prefixlen (u8)

ifa-flags (u8)

ifa-scope (u8)

ifa-index (u32)

ifa-cacheinfo

type

struct

members

ifa-prefered (u32)

ifa-valid (u32)

cstamp (u32)

tstamp (u32)

ifa-flags

type

flags

name-prefix

ifa-f-

enum-name

None

entries

secondary

nodad

optimistic

dadfailed

homeaddress

deprecated

tentative

permanent

managetempaddr

noprefixroute

mcautojoin

stable-privacy

Attribute sets

addr-attrs

address (binary)

display-hint

ipv4-or-v6

local (binary)

display-hint

ipv4-or-v6

label (string)

broadcast (u32)

byte-order

big-endian

display-hint

ipv4

anycast (binary)

cacheinfo (binary)

struct

ifa-cacheinfo

multicast (binary)

flags (u32)

enum

ifa-flags

enum-as-flags

True

rt-priority (u32)

target-netnsid (binary)

proto (u8)