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tools: ynl-gen: track attribute use

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For range validation we'll need to know if any individual
attribute is used on input (i.e. whether we will generate
a policy for it). Track this information.

Link: https://lore.kernel.org/r/20231018163917.2514503-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2023-10-18 09:39:15 -07:00
parent 75a384ceda
commit ee0a4cfcbd
1 changed files with 20 additions and 0 deletions
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20
tools/net/ynl/ynl-gen-c.py
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@ -42,6 +42,9 @@ class Type(SpecAttr):
self.type = attr['type']
self.checks = attr.get('checks', {})
self.request = False
self.reply = False
if 'len' in attr:
self.len = attr['len']
if 'nested-attributes' in attr:
@ -846,6 +849,7 @@ class Family(SpecFamily):
self._load_root_sets()
self._load_nested_sets()
self._load_attr_use()
self._load_hooks()
self.kernel_policy = self.yaml.get('kernel-policy', 'split')
@ -966,6 +970,22 @@ class Family(SpecFamily):
child.request |= struct.request
child.reply |= struct.reply
def _load_attr_use(self):
for _, struct in self.pure_nested_structs.items():
if struct.request:
for _, arg in struct.member_list():
arg.request = True
if struct.reply:
for _, arg in struct.member_list():
arg.reply = True
for root_set, rs_members in self.root_sets.items():
for attr, spec in self.attr_sets[root_set].items():
if attr in rs_members['request']:
spec.request = True
if attr in rs_members['reply']:
spec.reply = True
def _load_global_policy(self):
global_set = set()
attr_set_name = None