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authorLorenzo Bianconi <lorenzo@kernel.org>2023-03-09 13:25:25 +0100
committerJakub Kicinski <kuba@kernel.org>2023-03-10 21:33:47 -0800
commit8f76a4f80fba8096a611b6b60c40a0f4cab3ddfb (patch)
treecf4dd16aed15ea099f07b0222fb3560ca85618dc /tools
parent7e4f8a0c495413a50413e8c9f1032ce1bc633bae (diff)
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tools: ynl: fix render-max for flags definition
Properly manage render-max property for flags definition type introducing mask value and setting it to (last_element << 1) - 1 instead of adding max value set to last_element + 1 Fixes: be5bea1cc0bf ("net: add basic C code generators for Netlink") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/net/ynl/ynl-gen-c.py11
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 1bcc5354d800..d47376f19de7 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -1931,9 +1931,14 @@ def render_uapi(family, cw):
if const.get('render-max', False):
cw.nl()
- max_name = c_upper(name_pfx + 'max')
- cw.p('__' + max_name + ',')
- cw.p(max_name + ' = (__' + max_name + ' - 1)')
+ if const['type'] == 'flags':
+ max_name = c_upper(name_pfx + 'mask')
+ max_val = f' = {enum.get_mask()},'
+ cw.p(max_name + max_val)
+ else:
+ max_name = c_upper(name_pfx + 'max')
+ cw.p('__' + max_name + ',')
+ cw.p(max_name + ' = (__' + max_name + ' - 1)')
cw.block_end(line=';')
cw.nl()
elif const['type'] == 'const':