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authorJakub Kicinski <kuba@kernel.org>2023-11-26 15:07:33 -0800
committerPaolo Abeni <pabeni@redhat.com>2023-11-28 15:48:39 +0100
commit839ff60df3ab92b81034ea3b859ab984eaa0c84c (patch)
tree1b8bea743af3c89eb688cf280016da6fa9fdae8e /Documentation
parent7cc9e6d77f85fb5faa9ffa26c645c821430c7095 (diff)
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: Eric Dumazet <edumazet@google.com> Acked-by: Jesper Dangaard Brouer <hawk@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/netlink/specs/netdev.yaml46
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml
index 14511b13f305..84ca3c2ab872 100644
--- a/Documentation/netlink/specs/netdev.yaml
+++ b/Documentation/netlink/specs/netdev.yaml
@@ -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: