Family rt-addr netlink specification

Summary

Address configuration over rtnetlink.

Operations

newaddr

Add new address

attribute-set:

addr-attrs

do:

request

attributes:

[ifa-family, ifa-flags, ifa-prefixlen, ifa-scope, ifa-index, address, label, local, cacheinfo]

deladdr

Remove address

attribute-set:

addr-attrs

do:

request

attributes:

[ifa-family, ifa-flags, ifa-prefixlen, ifa-scope, ifa-index, address, local]

getaddr

Dump address information.

attribute-set:

addr-attrs

dump:

request

attributes:

[ifa-index]

reply

attributes:

[ifa-family, ifa-flags, ifa-prefixlen, ifa-scope, ifa-index, address, label, local, cacheinfo]

getmulticast

Get / dump IPv4/IPv6 multicast addresses.

attribute-set:

addr-attrs

fixed-header:

ifaddrmsg

do:

request

attributes:

[ifa-family, ifa-index]

reply

attributes:

[multicast, cacheinfo]

dump:

request

attributes:

[ifa-family]

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

entries:

secondary:

nodad:

optimistic:

dadfailed:

homeaddress:

deprecated:

tentative:

permanent:

managetempaddr:

noprefixroute:

mcautojoin:

stable-privacy:

Attribute sets

addr-attrs

address (binary)

display-hint:

ipv4

local (binary)

display-hint:

ipv4

label (string)

broadcast (binary)

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)