diff options
Diffstat (limited to 'tools/net/ynl/ynl-gen-c.py')
| -rwxr-xr-x | tools/net/ynl/ynl-gen-c.py | 82 |
1 files changed, 55 insertions, 27 deletions
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py index 717530bc9c52..d8201c4b1520 100755 --- a/tools/net/ynl/ynl-gen-c.py +++ b/tools/net/ynl/ynl-gen-c.py @@ -4,12 +4,15 @@ import argparse import collections import filecmp +import pathlib import os import re import shutil +import sys import tempfile import yaml +sys.path.append(pathlib.Path(__file__).resolve().parent.as_posix()) from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation, SpecEnumSet, SpecEnumEntry @@ -80,11 +83,21 @@ class Type(SpecAttr): value = self.checks.get(limit, default) if value is None: return value - elif value in self.family.consts: + if isinstance(value, int): + return value + if value in self.family.consts: + raise Exception("Resolving family constants not implemented, yet") + return limit_to_number(value) + + def get_limit_str(self, limit, default=None, suffix=''): + value = self.checks.get(limit, default) + if value is None: + return '' + if isinstance(value, int): + return str(value) + suffix + if value in self.family.consts: return c_upper(f"{self.family['name']}-{value}") - if not isinstance(value, int): - value = limit_to_number(value) - return value + return c_upper(value) def resolve(self): if 'name-prefix' in self.attr: @@ -157,7 +170,10 @@ class Type(SpecAttr): return '{ .type = ' + policy + ', }' def attr_policy(self, cw): - policy = c_upper('nla-' + self.attr['type']) + policy = f'NLA_{c_upper(self.type)}' + if self.attr.get('byte-order') == 'big-endian': + if self.type in {'u16', 'u32'}: + policy = f'NLA_BE{self.type[1:]}' spec = self._attr_policy(policy) cw.p(f"\t[{self.enum_name}] = {spec},") @@ -358,11 +374,11 @@ class TypeScalar(Type): elif 'full-range' in self.checks: return f"NLA_POLICY_FULL_RANGE({policy}, &{c_lower(self.enum_name)}_range)" elif 'range' in self.checks: - return f"NLA_POLICY_RANGE({policy}, {self.get_limit('min')}, {self.get_limit('max')})" + return f"NLA_POLICY_RANGE({policy}, {self.get_limit_str('min')}, {self.get_limit_str('max')})" elif 'min' in self.checks: - return f"NLA_POLICY_MIN({policy}, {self.get_limit('min')})" + return f"NLA_POLICY_MIN({policy}, {self.get_limit_str('min')})" elif 'max' in self.checks: - return f"NLA_POLICY_MAX({policy}, {self.get_limit('max')})" + return f"NLA_POLICY_MAX({policy}, {self.get_limit_str('max')})" return super()._attr_policy(policy) def _attr_typol(self): @@ -413,11 +429,11 @@ class TypeString(Type): def _attr_policy(self, policy): if 'exact-len' in self.checks: - mem = 'NLA_POLICY_EXACT_LEN(' + str(self.get_limit('exact-len')) + ')' + mem = 'NLA_POLICY_EXACT_LEN(' + self.get_limit_str('exact-len') + ')' else: mem = '{ .type = ' + policy if 'max-len' in self.checks: - mem += ', .len = ' + str(self.get_limit('max-len')) + mem += ', .len = ' + self.get_limit_str('max-len') mem += ', }' return mem @@ -464,17 +480,24 @@ class TypeBinary(Type): return f'.type = YNL_PT_BINARY,' def _attr_policy(self, policy): - if 'exact-len' in self.checks: - mem = 'NLA_POLICY_EXACT_LEN(' + str(self.get_limit('exact-len')) + ')' + if len(self.checks) == 0: + pass + elif len(self.checks) == 1: + check_name = list(self.checks)[0] + if check_name not in {'exact-len', 'min-len', 'max-len'}: + raise Exception('Unsupported check for binary type: ' + check_name) else: - mem = '{ ' - if len(self.checks) == 1 and 'min-len' in self.checks: - mem += '.len = ' + str(self.get_limit('min-len')) - elif len(self.checks) == 0: - mem += '.type = NLA_BINARY' - else: - raise Exception('One or more of binary type checks not implemented, yet') - mem += ', }' + raise Exception('More than one check for binary type not implemented, yet') + + if len(self.checks) == 0: + mem = '{ .type = NLA_BINARY, }' + elif 'exact-len' in self.checks: + mem = 'NLA_POLICY_EXACT_LEN(' + self.get_limit_str('exact-len') + ')' + elif 'min-len' in self.checks: + mem = '{ .len = ' + self.get_limit_str('min-len') + ', }' + elif 'max-len' in self.checks: + mem = 'NLA_POLICY_MAX_LEN(' + self.get_limit_str('max-len') + ')' + return mem def attr_put(self, ri, var): @@ -2161,9 +2184,9 @@ def print_kernel_policy_ranges(family, cw): cw.block_start(line=f'static const struct netlink_range_validation{sign} {c_lower(attr.enum_name)}_range =') members = [] if 'min' in attr.checks: - members.append(('min', str(attr.get_limit('min')) + suffix)) + members.append(('min', attr.get_limit_str('min', suffix=suffix))) if 'max' in attr.checks: - members.append(('max', str(attr.get_limit('max')) + suffix)) + members.append(('max', attr.get_limit_str('max', suffix=suffix))) cw.write_struct_init(members) cw.block_end(line=';') cw.nl() @@ -2396,6 +2419,7 @@ def uapi_enum_start(family, cw, obj, ckey='', enum_name='enum-name'): def render_uapi(family, cw): hdr_prot = f"_UAPI_LINUX_{c_upper(family.uapi_header_name)}_H" + hdr_prot = hdr_prot.replace('/', '_') cw.p('#ifndef ' + hdr_prot) cw.p('#define ' + hdr_prot) cw.nl() @@ -2417,11 +2441,15 @@ def render_uapi(family, cw): enum = family.consts[const['name']] if enum.has_doc(): - cw.p('/**') - doc = '' - if 'doc' in enum: - doc = ' - ' + enum['doc'] - cw.write_doc_line(enum.enum_name + doc) + if enum.has_entry_doc(): + cw.p('/**') + doc = '' + if 'doc' in enum: + doc = ' - ' + enum['doc'] + cw.write_doc_line(enum.enum_name + doc) + else: + cw.p('/*') + cw.write_doc_line(enum['doc'], indent=False) for entry in enum.entries.values(): if entry.has_doc(): doc = '@' + entry.c_name + ': ' + entry['doc'] |