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-rw-r--r--Documentation/netlink/specs/netdev.yaml13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml
index b76623ff2932..b5f715cf9e06 100644
--- a/Documentation/netlink/specs/netdev.yaml
+++ b/Documentation/netlink/specs/netdev.yaml
@@ -127,6 +127,18 @@ attribute-sets:
type: uint
doc: |
Amount of memory held by inflight pages.
+ -
+ name: detach-time
+ type: uint
+ doc: |
+ Seconds in CLOCK_BOOTTIME of when Page Pool was detached by
+ the driver. Once detached Page Pool can no longer be used to
+ allocate memory.
+ Page Pools wait for all the memory allocated from them to be freed
+ before truly disappearing. "Detached" Page Pools cannot be
+ "re-attached", they are just waiting to disappear.
+ Attribute is absent if Page Pool has not been detached, and
+ can still be used to allocate new memory.
operations:
list:
@@ -178,6 +190,7 @@ operations:
- napi-id
- inflight
- inflight-mem
+ - detach-time
dump:
reply: *pp-reply
config-cond: page-pool