Family ovs_datapath netlink specification

Contents

• Family ovs_datapath netlink specification

  • Summary

  • Operations

    • get

    • new

    • del

  • Multicast groups

  • Definitions

    • ovs-header

    • user-features

    • datapath-stats

    • megaflow-stats

  • Attribute sets

    • datapath

Summary

OVS datapath configuration over generic netlink.

Operations

get

Get / dump OVS data path configuration and state

value

3

attribute-set

datapath

do

request

attributes

[name]

reply

attributes

[name, upcall-pid, stats, megaflow-stats, user-features, masks-cache-size, per-cpu-pids]

dump

request

attributes

[name]

reply

attributes

[name, upcall-pid, stats, megaflow-stats, user-features, masks-cache-size, per-cpu-pids]

new

Create new OVS data path

value

1

attribute-set

datapath

do

request

attributes

[name, upcall-pid, user-features]

del

Delete existing OVS data path

value

2

attribute-set

datapath

do

request

attributes

[name]

Multicast groups

• ovs_datapath

Definitions

ovs-header

type

struct

members

dp-ifindex (u32)

user-features

type

flags

name-prefix

ovs-dp-f-

enum-name

None

entries

unaligned

Allow last Netlink attribute to be unaligned

vport-pids

Allow datapath to associate multiple Netlink PIDs to each vport

tc-recirc-sharing

Allow tc offload recirc sharing

dispatch-upcall-per-cpu

Allow per-cpu dispatch of upcalls

datapath-stats

enum-name

ovs-dp-stats

type

struct

members

n-hit (u64)

n-missed (u64)

n-lost (u64)

n-flows (u64)

megaflow-stats

enum-name

ovs-dp-megaflow-stats

type

struct

members

n-mask-hit (u64)

n-masks (u32)

padding (u32)

n-cache-hit (u64)

pad1 (u64)

Attribute sets

datapath

name (string)

upcall-pid (u32)

doc

upcall pid

stats (binary)

struct

datapath-stats

megaflow-stats (binary)

struct

megaflow-stats

user-features (u32)

enum

user-features

enum-as-flags

True

pad (unused)

masks-cache-size (u32)

per-cpu-pids (binary)

sub-type

u32

ifindex (u32)