netdev - [PATCH net-next 1/4] ynl: support be16 in schemas

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Date:   Fri, 17 Mar 2023 17:23:37 -0700
From:   Stanislav Fomichev <sdf@...gle.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, Stanislav Fomichev <sdf@...gle.com>
Subject: [PATCH net-next 1/4] ynl: support be16 in schemas

Used by ethtool spec.

Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
---
 Documentation/netlink/genetlink-c.yaml      | 2 +-
 Documentation/netlink/genetlink-legacy.yaml | 4 ++--
 Documentation/netlink/genetlink.yaml        | 2 +-
 tools/net/ynl/lib/ynl.py                    | 7 +++++++
 4 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/Documentation/netlink/genetlink-c.yaml b/Documentation/netlink/genetlink-c.yaml
index 8e8c17b0a6c6..1b057fc9326c 100644
--- a/Documentation/netlink/genetlink-c.yaml
+++ b/Documentation/netlink/genetlink-c.yaml
@@ -148,7 +148,7 @@ additionalProperties: False
               name:
                 type: string
               type: &attr-type
-                enum: [ unused, pad, flag, binary, u8, u16, u32, u64, s32, s64,
+                enum: [ unused, pad, flag, binary, u8, u16, be16, u32, u64, s32, s64,
                         string, nest, array-nest, nest-type-value ]
               doc:
                 description: Documentation of the attribute.
diff --git a/Documentation/netlink/genetlink-legacy.yaml b/Documentation/netlink/genetlink-legacy.yaml
index 5dc6f1c07a97..3796d8be9045 100644
--- a/Documentation/netlink/genetlink-legacy.yaml
+++ b/Documentation/netlink/genetlink-legacy.yaml
@@ -119,7 +119,7 @@ additionalProperties: False
               name:
                 type: string
               type:
-                enum: [ u8, u16, u32, u64, s8, s16, s32, s64, string ]
+                enum: [ u8, u16, be16, u32, u64, s8, s16, s32, s64, string ]
               len:
                 $ref: '#/$defs/len-or-define'
         # End genetlink-legacy
@@ -171,7 +171,7 @@ additionalProperties: False
               name:
                 type: string
               type: &attr-type
-                enum: [ unused, pad, flag, binary, u8, u16, u32, u64, s32, s64,
+                enum: [ unused, pad, flag, binary, u8, u16, be16, u32, u64, s32, s64,
                         string, nest, array-nest, nest-type-value ]
               doc:
                 description: Documentation of the attribute.
diff --git a/Documentation/netlink/genetlink.yaml b/Documentation/netlink/genetlink.yaml
index d8b2cdeba058..a143221c3d2e 100644
--- a/Documentation/netlink/genetlink.yaml
+++ b/Documentation/netlink/genetlink.yaml
@@ -121,7 +121,7 @@ additionalProperties: False
               name:
                 type: string
               type: &attr-type
-                enum: [ unused, pad, flag, binary, u8, u16, u32, u64, s32, s64,
+                enum: [ unused, pad, flag, binary, u8, u16, be16, u32, u64, s32, s64,
                         string, nest, array-nest, nest-type-value ]
               doc:
                 description: Documentation of the attribute.
diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py
index 90764a83c646..21c015911803 100644
--- a/tools/net/ynl/lib/ynl.py
+++ b/tools/net/ynl/lib/ynl.py
@@ -81,6 +81,9 @@ from .nlspec import SpecFamily
     def as_u16(self):
         return struct.unpack("H", self.raw)[0]
 
+    def as_be16(self):
+        return struct.unpack(">H", self.raw)[0]
+
     def as_u32(self):
         return struct.unpack("I", self.raw)[0]
 
@@ -334,6 +337,8 @@ genl_family_name_to_id = None
                 attr_payload += self._add_attr(attr['nested-attributes'], subname, subvalue)
         elif attr["type"] == 'flag':
             attr_payload = b''
+        elif attr["type"] == 'be16':
+            attr_payload = struct.pack(">H", int(value))
         elif attr["type"] == 'u32':
             attr_payload = struct.pack("I", int(value))
         elif attr["type"] == 'string':
@@ -371,6 +376,8 @@ genl_family_name_to_id = None
                 decoded = subdict
             elif attr_spec['type'] == 'u8':
                 decoded = attr.as_u8()
+            elif attr_spec['type'] == 'be16':
+                decoded = attr.as_be16()
             elif attr_spec['type'] == 'u32':
                 decoded = attr.as_u32()
             elif attr_spec['type'] == 'u64':
-- 
2.40.0.rc1.284.g88254d51c5-goog