diff options
author | Jakub Kicinski <kuba@kernel.org> | 2025-04-09 18:46:52 -0700 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2025-04-10 20:14:41 -0700 |
commit | 17b3ce292dcbf1aaface3d42859cff0e1dfd3bb6 (patch) | |
tree | b5ae6430d6ecfc0b5384718e9cb46430a22b34cc /tools/net/ynl/pyynl/ynl_gen_c.py | |
parent | 1652e1f35dfb434862a595224ab2c4aa0244951f (diff) |
tools: ynl: support creating non-genl sockets
Classic netlink has static family IDs specified in YAML,
there is no family name -> ID lookup. Support providing
the ID info to the library via the generated struct and
make library use it. Since NETLINK_ROUTE is ID 0 we need
an extra boolean to indicate classic_id is to be used.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250410014658.782120-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/net/ynl/pyynl/ynl_gen_c.py')
-rwxr-xr-x | tools/net/ynl/pyynl/ynl_gen_c.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/net/ynl/pyynl/ynl_gen_c.py b/tools/net/ynl/pyynl/ynl_gen_c.py index a1427c537030..9e00aac4801c 100755 --- a/tools/net/ynl/pyynl/ynl_gen_c.py +++ b/tools/net/ynl/pyynl/ynl_gen_c.py @@ -971,9 +971,6 @@ class Family(SpecFamily): def resolve(self): self.resolve_up(super()) - if self.yaml.get('protocol', 'genetlink') not in {'genetlink', 'genetlink-c', 'genetlink-legacy'}: - raise Exception("Codegen only supported for genetlink") - self.c_name = c_lower(self.ident_name) if 'name-prefix' in self.yaml['operations']: self.op_prefix = c_upper(self.yaml['operations']['name-prefix']) @@ -1020,6 +1017,9 @@ class Family(SpecFamily): def new_operation(self, elem, req_value, rsp_value): return Operation(self, elem, req_value, rsp_value) + def is_classic(self): + return self.proto == 'netlink-raw' + def _mark_notify(self): for op in self.msgs.values(): if 'notify' in op: @@ -2730,6 +2730,9 @@ def render_user_family(family, cw, prototype): cw.block_start(f'{symbol} = ') cw.p(f'.name\t\t= "{family.c_name}",') + if family.is_classic(): + cw.p(f'.is_classic\t= true,') + cw.p(f'.classic_id\t= {family.get("protonum")},') if family.fixed_header: cw.p(f'.hdr_len\t= sizeof(struct genlmsghdr) + sizeof(struct {c_lower(family.fixed_header)}),') else: |