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tools: ynl-gen: support limits using definitions

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Support using defines / constants in integer checks.
Carolina will need this for rate API extensions.

Reported-by: Carolina Jubran <cjubran@nvidia.com>
Link: https://lore.kernel.org/1e886aaf-e1eb-4f1a-b7ef-f63b350a3320@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250203215510.1288728-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jakub Kicinski 2025-02-03 13:55:10 -08:00 committed by Paolo Abeni
parent 7e8b24e24a
commit fa796178e5
4 changed files with 13 additions and 7 deletions
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5
Documentation/netlink/genetlink-c.yaml
View File

@ -14,9 +14,10 @@ $defs:
pattern: ^[0-9A-Za-z_-]+( - 1)?$
minimum: 0
len-or-limit:
# literal int or limit based on fixed-width type e.g. u8-min, u16-max, etc.
# literal int, const name, or limit based on fixed-width type
# e.g. u8-min, u16-max, etc.
type: [ string, integer ]
pattern: ^[su](8|16|32|64)-(min|max)$
pattern: ^[0-9A-Za-z_-]+$
minimum: 0
# Schema for specs

5
Documentation/netlink/genetlink-legacy.yaml
View File

@ -14,9 +14,10 @@ $defs:
pattern: ^[0-9A-Za-z_-]+( - 1)?$
minimum: 0
len-or-limit:
# literal int or limit based on fixed-width type e.g. u8-min, u16-max, etc.
# literal int, const name, or limit based on fixed-width type
# e.g. u8-min, u16-max, etc.
type: [ string, integer ]
pattern: ^[su](8|16|32|64)-(min|max)$
pattern: ^[0-9A-Za-z_-]+$
minimum: 0
# Schema for specs

5
Documentation/netlink/genetlink.yaml
View File

@ -14,9 +14,10 @@ $defs:
pattern: ^[0-9A-Za-z_-]+( - 1)?$
minimum: 0
len-or-limit:
# literal int or limit based on fixed-width type e.g. u8-min, u16-max, etc.
# literal int, const name, or limit based on fixed-width type
# e.g. u8-min, u16-max, etc.
type: [ string, integer ]
pattern: ^[su](8|16|32|64)-(min|max)$
pattern: ^[0-9A-Za-z_-]+$
minimum: 0
# Schema for specs

5
tools/net/ynl/pyynl/ynl_gen_c.py
View File

@ -100,7 +100,7 @@ class Type(SpecAttr):
if isinstance(value, int):
return value
if value in self.family.consts:
raise Exception("Resolving family constants not implemented, yet")
return self.family.consts[value]["value"]
return limit_to_number(value)
def get_limit_str(self, limit, default=None, suffix=''):
@ -110,6 +110,9 @@ class Type(SpecAttr):
if isinstance(value, int):
return str(value) + suffix
if value in self.family.consts:
const = self.family.consts[value]
if const.get('header'):
return c_upper(value)
return c_upper(f"{self.family['name']}-{value}")
return c_upper(value)