netdev - [patch net-next] tools: ynl-gen: lift type requirement for attribute subsets

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Message-ID: <20230919142139.1167653-1-jiri@resnulli.us>
Date: Tue, 19 Sep 2023 16:21:39 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
	pabeni@...hat.com,
	davem@...emloft.net,
	edumazet@...gle.com
Subject: [patch net-next] tools: ynl-gen: lift type requirement for attribute subsets

From: Jiri Pirko <jiri@...dia.com>

In case an attribute is used in a subset, the type has to be currently
specified. As the attribute is already defined in the original set, this
is a redundant information in yaml file, moreover, may lead to
inconsistencies.

Example:
attribute-sets:
    ...
    name: pin
    enum-name: dpll_a_pin
    attributes:
      ...
      -
        name: parent-id
        type: u32
      ...
  -
    name: pin-parent-device
    subset-of: pin
    attributes:
      -
        name: parent-id
        type: u32             <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Remove the requirement from schema files to specify the "type" and add
check and bail out if "type" is not set.

Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
 Documentation/netlink/genetlink-c.yaml      | 2 +-
 Documentation/netlink/genetlink-legacy.yaml | 2 +-
 Documentation/netlink/genetlink.yaml        | 2 +-
 Documentation/netlink/netlink-raw.yaml      | 2 +-
 tools/net/ynl/ynl-gen-c.py                  | 2 ++
 5 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/Documentation/netlink/genetlink-c.yaml b/Documentation/netlink/genetlink-c.yaml
index 9806c44f604c..80d8aa2708c5 100644
--- a/Documentation/netlink/genetlink-c.yaml
+++ b/Documentation/netlink/genetlink-c.yaml
@@ -142,7 +142,7 @@ properties:
           type: array
           items:
             type: object
-            required: [ name, type ]
+            required: [ name ]
             additionalProperties: False
             properties:
               name:
diff --git a/Documentation/netlink/genetlink-legacy.yaml b/Documentation/netlink/genetlink-legacy.yaml
index 12a0a045605d..2a21aae525a4 100644
--- a/Documentation/netlink/genetlink-legacy.yaml
+++ b/Documentation/netlink/genetlink-legacy.yaml
@@ -180,7 +180,7 @@ properties:
           type: array
           items:
             type: object
-            required: [ name, type ]
+            required: [ name ]
             additionalProperties: False
             properties:
               name:
diff --git a/Documentation/netlink/genetlink.yaml b/Documentation/netlink/genetlink.yaml
index 3d338c48bf21..9e8354f80466 100644
--- a/Documentation/netlink/genetlink.yaml
+++ b/Documentation/netlink/genetlink.yaml
@@ -115,7 +115,7 @@ properties:
           type: array
           items:
             type: object
-            required: [ name, type ]
+            required: [ name ]
             additionalProperties: False
             properties:
               name:
diff --git a/Documentation/netlink/netlink-raw.yaml b/Documentation/netlink/netlink-raw.yaml
index 896797876414..9aeb64b27ada 100644
--- a/Documentation/netlink/netlink-raw.yaml
+++ b/Documentation/netlink/netlink-raw.yaml
@@ -187,7 +187,7 @@ properties:
           type: array
           items:
             type: object
-            required: [ name, type ]
+            required: [ name ]
             additionalProperties: False
             properties:
               name:
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 897af958cee8..b378412a9d7a 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -723,6 +723,8 @@ class AttrSet(SpecAttrSet):
             self.c_name = ''
 
     def new_attr(self, elem, value):
+        if 'type' not in elem:
+            raise Exception(f"Type has to be set for attribute {elem['name']}")
         if elem['type'] in scalars:
             t = TypeScalar(self.family, self, elem, value)
         elif elem['type'] == 'unused':
-- 
2.41.0