The intent is to generate ethtool uapi headers. For now, some of the
things are hard-coded:
- <FAMILY>_MSG_{USER,KERNEL}_MAX
- the split between USER and KERNEL messages
Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxxx>
---
tools/net/ynl/ynl-gen-c.py | 118 +++++++++++++++++++++++++++----------
1 file changed, 87 insertions(+), 31 deletions(-)
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 8ba252973c2d..e5ac6f89b78a 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -2419,6 +2419,87 @@ _C_KW = {
cw.block_start(line=start_line)
+def render_uapi_unified(family, cw, max_by_define, separate_ntf):
+ max_name = c_upper(family.get('cmd-max-name', f"{family.op_prefix}MAX"))
+ cnt_name = c_upper(family.get('cmd-cnt-name', f"__{family.op_prefix}MAX"))
+ max_value = f"({cnt_name} - 1)"
+
+ uapi_enum_start(family, cw, family['operations'], 'enum-name')
+ val = 0
+ for op in family.msgs.values():
+ if separate_ntf and ('notify' in op or 'event' in op):
+ continue
+
+ suffix = ','
+ if op.value != val:
+ suffix = f" = {op.value},"
+ val = op.value
+ cw.p(op.enum_name + suffix)
+ val += 1
+ cw.nl()
+ cw.p(cnt_name + ('' if max_by_define else ','))
+ if not max_by_define:
+ cw.p(f"{max_name} = {max_value}")
+ cw.block_end(line=';')
+ if max_by_define:
+ cw.p(f"#define {max_name} {max_value}")
+ cw.nl()
+
+
+def render_uapi_directional(family, cw, max_by_define):
+ max_name = f"{family.op_prefix}USER_MAX"
+ cnt_name = f"__{family.op_prefix}USER_CNT"
+ max_value = f"({cnt_name} - 1)"
+
+ cw.block_start(line='enum')
+ cw.p(c_upper(f'{family.name}_MSG_USER_NONE = 0,'))
+ val = 0
+ for op in family.msgs.values():
+ if 'do' in op and 'event' not in op:
+ suffix = ','
+ if op.value and op.value != val:
+ suffix = f" = {op.value},"
+ val = op.value
+ cw.p(op.enum_name + suffix)
+ val += 1
+ cw.nl()
+ cw.p(cnt_name + ('' if max_by_define else ','))
+ if not max_by_define:
+ cw.p(f"{max_name} = {max_value}")
+ cw.block_end(line=';')
+ if max_by_define:
+ cw.p(f"#define {max_name} {max_value}")
+ cw.nl()
+
+ max_name = f"{family.op_prefix}KERNEL_MAX"
+ cnt_name = f"__{family.op_prefix}KERNEL_CNT"
+ max_value = f"({cnt_name} - 1)"
+
+ cw.block_start(line='enum')
+ cw.p(c_upper(f'{family.name}_MSG_KERNEL_NONE = 0,'))
+ val = 0
+ for op in family.msgs.values():
+ if ('do' in op and 'reply' in op['do']) or 'notify' in op or 'event' in op:
+ enum_name = op.enum_name
+ if 'event' not in op and 'notify' not in op:
+ enum_name = f'{enum_name}_REPLY'
+
+ suffix = ','
+ if op.value and op.value != val:
+ suffix = f" = {op.value},"
+ val = op.value
+ cw.p(enum_name + suffix)
+ val += 1
+ cw.nl()
+ cw.p(cnt_name + ('' if max_by_define else ','))
+ if not max_by_define:
+ cw.p(f"{max_name} = {max_value}")
+ cw.block_end(line=';')
+ if max_by_define:
+ cw.p(f"#define {max_name} {max_value}")
+ cw.nl()
+
+
def render_uapi(family, cw):
hdr_prot = f"_UAPI_LINUX_{c_upper(family.uapi_header_name)}_H"
cw.p('#ifndef ' + hdr_prot)
@@ -2522,30 +2603,12 @@ _C_KW = {
# Commands
separate_ntf = 'async-prefix' in family['operations']
- max_name = c_upper(family.get('cmd-max-name', f"{family.op_prefix}MAX"))
- cnt_name = c_upper(family.get('cmd-cnt-name', f"__{family.op_prefix}MAX"))
- max_value = f"({cnt_name} - 1)"
-
- uapi_enum_start(family, cw, family['operations'], 'enum-name')
- val = 0
- for op in family.msgs.values():
- if separate_ntf and ('notify' in op or 'event' in op):
- continue
-
- suffix = ','
- if op.value != val:
- suffix = f" = {op.value},"
- val = op.value
- cw.p(op.enum_name + suffix)
- val += 1
- cw.nl()
- cw.p(cnt_name + ('' if max_by_define else ','))
- if not max_by_define:
- cw.p(f"{max_name} = {max_value}")
- cw.block_end(line=';')
- if max_by_define:
- cw.p(f"#define {max_name} {max_value}")
- cw.nl()
+ if family.msg_id_model == 'unified':
+ render_uapi_unified(family, cw, max_by_define, separate_ntf)
+ elif family.msg_id_model == 'directional':
+ render_uapi_directional(family, cw, max_by_define)
+ else:
+ raise Exception(f'Unsupported enum-model {family.msg_id_model}')
if separate_ntf:
uapi_enum_start(family, cw, family['operations'], enum_name='async-enum')
@@ -2669,13 +2732,6 @@ _C_KW = {
os.sys.exit(1)
return
- supported_models = ['unified']
- if args.mode in ['user', 'kernel']:
- supported_models += ['directional']
- if parsed.msg_id_model not in supported_models:
- print(f'Message enum-model {parsed.msg_id_model} not supported for {args.mode} generation')
- os.sys.exit(1)
-
cw = CodeWriter(BaseNlLib(), args.out_file, overwrite=(not args.cmp_out))
_, spec_kernel = find_kernel_root(args.spec)
--
2.47.0
