[RFC net-next 08/13] net: page_pool: add nlspec for basic access to page pools
From: Jakub Kicinski <kuba@kernel.org>
Date: 2023-08-16 23:43:14
Subsystem:
networking [general], the rest, yaml netlink (ynl) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Donald Hunter
Add a Netlink spec in YAML for getting very basic information about page pools. Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- Documentation/netlink/specs/netdev.yaml | 41 +++++++++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml
index 1c7284fd535b..ded77e61df7b 100644
--- a/Documentation/netlink/specs/netdev.yaml
+++ b/Documentation/netlink/specs/netdev.yaml@@ -68,6 +68,30 @@ name: netdev type: u32 checks: min: 1 + - + name: page-pool + attributes: + - + name: id + doc: Unique ID of a Page Pool instance. + type: u32 + checks: + min: 1 + - + name: pad + type: pad + - + 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 + - + name: napi-id + doc: Id of NAPI using this Page Pool instance. + type: u32 operations: list:
@@ -101,6 +125,23 @@ name: netdev 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 mcast-groups: list:
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2.41.0