From 16a471177496c8e04a9793812c187a2c1a2192fa Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Tue, 23 Apr 2024 15:25:44 +0200
Subject: NFSD: add listener-{set,get} netlink command

Introduce write_ports netlink command. For listener-set, userspace is
expected to provide a NFS listeners list it wants enabled. All other
sockets will be closed.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Co-developed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 Documentation/netlink/specs/nfsd.yaml | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'Documentation/netlink')

diff --git a/Documentation/netlink/specs/nfsd.yaml b/Documentation/netlink/specs/nfsd.yaml
index 77adda1425e2..d21234097167 100644
--- a/Documentation/netlink/specs/nfsd.yaml
+++ b/Documentation/netlink/specs/nfsd.yaml
@@ -98,6 +98,23 @@ attribute-sets:
         type: nest
         nested-attributes: version
         multi-attr: true
+  -
+    name: sock
+    attributes:
+      -
+        name: addr
+        type: binary
+      -
+        name: transport-name
+        type: string
+  -
+    name: server-sock
+    attributes:
+      -
+        name: addr
+        type: nest
+        nested-attributes: sock
+        multi-attr: true
 
 operations:
   list:
@@ -163,3 +180,20 @@ operations:
         reply:
           attributes:
             - version
+    -
+      name: listener-set
+      doc: set nfs running sockets
+      attribute-set: server-sock
+      flags: [ admin-perm ]
+      do:
+        request:
+          attributes:
+            - addr
+    -
+      name: listener-get
+      doc: get nfs running listeners
+      attribute-set: server-sock
+      do:
+        reply:
+          attributes:
+            - addr
-- 
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