Commit 839ff60d authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Paolo Abeni
Browse files

net: page_pool: add nlspec for basic access to page pools 



Add a Netlink spec in YAML for getting very basic information
about page pools.

Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarJesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 7cc9e6d7

Documentation/netlink/specs/netdev.yaml

+46 −0
Original line number Diff line number Diff line
@@ -86,6 +86,34 @@ attribute-sets: 
             See Documentation/networking/xdp-rx-metadata.rst for more details.

        type: u64

        enum: xdp-rx-metadata

  -

    name: page-pool

    attributes:

      -

        name: id

        doc: Unique ID of a Page Pool instance.

        type: uint

        checks:

          min: 1

          max: u32-max

      -

        name: ifindex

        doc: |

          ifindex of the netdev to which the pool belongs.

          May be reported as 0 if the page pool was allocated for a netdev

          which got destroyed already (page pools may outlast their netdevs

          because they wait for all memory to be returned).

        type: u32

        checks:

          min: 1

          max: s32-max

      -

        name: napi-id

        doc: Id of NAPI using this Page Pool instance.

        type: uint

        checks:

          min: 1

          max: u32-max



operations:

  list:
@@ -120,6 +148,24 @@ operations: 
      doc: Notification about device configuration being changed.

      notify: dev-get

      mcgrp: mgmt

    -

      name: page-pool-get

      doc: |

        Get / dump information about Page Pools.

        (Only Page Pools associated with a net_device can be listed.)

      attribute-set: page-pool

      do:

        request:

          attributes:

            - id

        reply: &pp-reply

          attributes:

            - id

            - ifindex

            - napi-id

      dump:

        reply: *pp-reply

      config-cond: page-pool



mcast-groups:

  list: