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Donenfeld" , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: =?UTF-8?q?Asbj=C3=B8rn=20Sloth=20T=C3=B8nnesen?= , Donald Hunter , Simon Horman , Jacob Keller , Andrew Lunn , wireguard@lists.zx2c4.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 09/11] tools: ynl: encode indexed-array Date: Thu, 4 Sep 2025 22:01:32 +0000 Message-ID: <20250904220156.1006541-9-ast@fiberby.net> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250904-wg-ynl-prep@fiberby.net> References: <20250904-wg-ynl-prep@fiberby.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable This patch adds support for encoding indexed-array attributes with sub-type nest in pyynl. Signed-off-by: Asbj=C3=B8rn Sloth T=C3=B8nnesen --- tools/net/ynl/pyynl/lib/ynl.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tools/net/ynl/pyynl/lib/ynl.py b/tools/net/ynl/pyynl/lib/ynl.py index 4928b41c636a..a37294a751da 100644 --- a/tools/net/ynl/pyynl/lib/ynl.py +++ b/tools/net/ynl/pyynl/lib/ynl.py @@ -564,6 +564,11 @@ class YnlFamily(SpecFamily): nl_type |=3D Netlink.NLA_F_NESTED sub_space =3D attr['nested-attributes'] attr_payload =3D self._add_nest_attrs(value, sub_space, search= _attrs) + elif attr['type'] =3D=3D 'indexed-array' and attr['sub-type'] =3D= =3D 'nest': + nl_type |=3D Netlink.NLA_F_NESTED + sub_space =3D attr['nested-attributes'] + attr_payload =3D self._encode_indexed_array(value, sub_space, + search_attrs) elif attr["type"] =3D=3D 'flag': if not value: # If value is absent or false then skip attribute creation. @@ -617,6 +622,9 @@ class YnlFamily(SpecFamily): else: raise Exception(f'Unknown type at {space} {name} {value} {attr= ["type"]}') =20 + return self._add_attr_raw(nl_type, attr_payload) + + def _add_attr_raw(self, nl_type, attr_payload): pad =3D b'\x00' * ((4 - len(attr_payload) % 4) % 4) return struct.pack('HH', len(attr_payload) + 4, nl_type) + attr_pa= yload + pad =20 @@ -628,6 +636,15 @@ class YnlFamily(SpecFamily): sub_attrs) return attr_payload =20 + def _encode_indexed_array(self, vals, sub_space, search_attrs): + attr_payload =3D b'' + nested_flag =3D Netlink.NLA_F_NESTED + for i, val in enumerate(vals): + idx =3D i | Netlink.NLA_F_NESTED + val_payload =3D self._add_nest_attrs(val, sub_space, search_at= trs) + attr_payload +=3D self._add_attr_raw(idx, val_payload) + return attr_payload + def _get_enum_or_unknown(self, enum, raw): try: name =3D enum.entries_by_val[raw].name --=20 2.51.0