From 782c1084b9fa5bc96c7c1ab5b770dec30834517b Mon Sep 17 00:00:00 2001
From: Hangbin Liu <liuhangbin@gmail.com>
Date: Wed, 27 Mar 2024 20:31:29 +0800
Subject: doc/netlink/specs: Add vlan attr in rt_link spec

With command:
 # ./tools/net/ynl/cli.py \
 --spec Documentation/netlink/specs/rt_link.yaml \
 --do getlink --json '{"ifname": "eno1.2"}' --output-json | \
 jq -C '.linkinfo'

Before:
Exception: No message format for 'vlan' in sub-message spec 'linkinfo-data-msg'

After:
 {
   "kind": "vlan",
   "data": {
     "protocol": "8021q",
     "id": 2,
     "flag": {
       "flags": [
         "reorder-hdr"
       ],
       "mask": "0xffffffff"
     },
     "egress-qos": {
       "mapping": [
         {
           "from": 1,
           "to": 2
         },
         {
           "from": 4,
           "to": 4
         }
       ]
     }
   }
 }

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20240327123130.1322921-3-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 Documentation/netlink/specs/rt_link.yaml | 80 +++++++++++++++++++++++++++++++-
 1 file changed, 78 insertions(+), 2 deletions(-)

(limited to 'Documentation/netlink/specs')

diff --git a/Documentation/netlink/specs/rt_link.yaml b/Documentation/netlink/specs/rt_link.yaml
index 8e4d19adee8c..81a5a3d1b04d 100644
--- a/Documentation/netlink/specs/rt_link.yaml
+++ b/Documentation/netlink/specs/rt_link.yaml
@@ -50,7 +50,16 @@ definitions:
         name: dormant
       -
         name: echo
-
+  -
+    name: vlan-protocols
+    type: enum
+    entries:
+      -
+        name: 8021q
+        value: 33024
+      -
+        name: 8021ad
+        value: 34984
   -
     name: rtgenmsg
     type: struct
@@ -729,7 +738,38 @@ definitions:
       -
         name: filter-mask
         type: u32
-
+  -
+    name: ifla-vlan-flags
+    type: struct
+    members:
+      -
+        name: flags
+        type: u32
+        enum: vlan-flags
+        enum-as-flags: true
+      -
+        name: mask
+        type: u32
+        display-hint: hex
+  -
+    name: vlan-flags
+    type: flags
+    entries:
+      - reorder-hdr
+      - gvrp
+      - loose-binding
+      - mvrp
+      - bridge-binding
+  -
+    name: ifla-vlan-qos-mapping
+    type: struct
+    members:
+      -
+        name: from
+        type: u32
+      -
+        name: to
+        type: u32
 
 attribute-sets:
   -
@@ -1507,6 +1547,39 @@ attribute-sets:
       -
         name: num-disabled-queues
         type: u32
+  -
+    name: linkinfo-vlan-attrs
+    name-prefix: ifla-vlan-
+    attributes:
+      -
+        name: id
+        type: u16
+      -
+        name: flag
+        type: binary
+        struct: ifla-vlan-flags
+      -
+        name: egress-qos
+        type: nest
+        nested-attributes: ifla-vlan-qos
+      -
+        name: ingress-qos
+        type: nest
+        nested-attributes: ifla-vlan-qos
+      -
+        name: protocol
+        type: u16
+        enum: vlan-protocols
+        byte-order: big-endian
+  -
+    name: ifla-vlan-qos
+    name-prefix: ifla-vlan-qos
+    attributes:
+      -
+        name: mapping
+        type: binary
+        multi-attr: true
+        struct: ifla-vlan-qos-mapping
   -
     name: linkinfo-vrf-attrs
     name-prefix: ifla-vrf-
@@ -1666,6 +1739,9 @@ sub-messages:
       -
         value: tun
         attribute-set: linkinfo-tun-attrs
+      -
+        value: vlan
+        attribute-set: linkinfo-vlan-attrs
       -
         value: vrf
         attribute-set: linkinfo-vrf-attrs
-- 
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