tools: ynl-gen: support excluding tricky ops

The ethtool family has a small handful of quite tricky ops
and a lot of simple very useful ops. Teach ynl-gen to skip
ops so that we can bypass the tricky ones.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 2 deletions

diff --git a/tools/net/ynl/lib/nlspec.py b/tools/net/ynl/lib/nlspec.py
index c5d4a6d476a0..1ba572cae27b 100644
--- a/tools/net/ynl/lib/nlspec.py
+++ b/tools/net/ynl/lib/nlspec.py
@@ -334,7 +334,7 @@ class SpecFamily(SpecElement):
         consts     dict of all constants/enums
         fixed_header  string, optional name of family default fixed header struct
     """
-    def __init__(self, spec_path, schema_path=None):
+    def __init__(self, spec_path, schema_path=None, exclude_ops=None):
         with open(spec_path, "r") as stream:
             prefix = '# SPDX-License-Identifier: '
             first = stream.readline().strip()
@@ -349,6 +349,8 @@ class SpecFamily(SpecElement):
 
         super().__init__(self, spec)
 
+        self._exclude_ops = exclude_ops if exclude_ops else []
+
         self.proto = self.yaml.get('protocol', 'genetlink')
         self.msg_id_model = self.yaml['operations'].get('enum-model', 'unified')
 
@@ -449,7 +451,13 @@ class SpecFamily(SpecElement):
                 req_val = None
             if rsp_val == rsp_val_next:
                 rsp_val = None
-            op = self.new_operation(elem, req_val, rsp_val)
+
+            skip = False
+            for exclude in self._exclude_ops:
+                skip |= bool(exclude.match(elem['name']))
+            if not skip:
+                op = self.new_operation(elem, req_val, rsp_val)
+
             req_val = req_val_next
             rsp_val = rsp_val_next