From patchwork Tue Jul 18 16:22:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arkadiusz Kubalewski X-Patchwork-Id: 13317441 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B6B1156DA for ; Tue, 18 Jul 2023 16:24:40 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37875B5 for ; Tue, 18 Jul 2023 09:24:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689697479; x=1721233479; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MU8wC3hsx/Y8pobDsNxIfsct/lJK9LdI7UyRTn80YQo=; b=Z77kOduISj+uNEL8ykoMJtUYMC9WfPdb4czTy+CSqNwaRuRO/1p6lntc YzM8UCgQ2sYx3gg7rmwK6rK6KFyKvRr/KTlQbtHS4D/teZ2h0ahdIiZ86 OrfMTON1TR5pedm7XD70+IwgfRUdpMeey4RpgRXksrlyWZgOHNqPyor1G WuR1tEzRsMS1X0HXvFIc3bmF/c5mkADCPQ4XLCMCMdSZYbO3nw2NsiBKs Sg6uLuW/jhGu8PcyOcuicpm5n/l2a20HPUkAYW1L1OjuSY5I5IO1ZzUkC w5uhhMj8utny25lkDwFJFjXqxQYFLdHrUO4c4PODM9fWgn5xUT/e2QCMN w==; X-IronPort-AV: E=McAfee;i="6600,9927,10775"; a="368894215" X-IronPort-AV: E=Sophos;i="6.01,214,1684825200"; d="scan'208";a="368894215" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2023 09:24:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10775"; a="753388394" X-IronPort-AV: E=Sophos;i="6.01,214,1684825200"; d="scan'208";a="753388394" Received: from amlin-018-114.igk.intel.com ([10.102.18.114]) by orsmga008.jf.intel.com with ESMTP; 18 Jul 2023 09:24:32 -0700 From: Arkadiusz Kubalewski To: kuba@kernel.org, donald.hunter@gmail.com, netdev@vger.kernel.org, davem@davemloft.net, pabeni@redhat.com, edumazet@google.com Cc: Arkadiusz Kubalewski Subject: [PATCH net-next v3 2/2] tools: ynl-gen: fix parse multi-attr enum attribute Date: Tue, 18 Jul 2023 18:22:25 +0200 Message-Id: <20230718162225.231775-3-arkadiusz.kubalewski@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230718162225.231775-1-arkadiusz.kubalewski@intel.com> References: <20230718162225.231775-1-arkadiusz.kubalewski@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org When attribute is enum type and marked as multi-attr, the netlink respond is not parsed, fails with stack trace: Traceback (most recent call last): File "/net-next/tools/net/ynl/./test.py", line 520, in main() File "/net-next/tools/net/ynl/./test.py", line 488, in main dplls=dplls_get(282574471561216) File "/net-next/tools/net/ynl/./test.py", line 48, in dplls_get reply=act(args) File "/net-next/tools/net/ynl/./test.py", line 41, in act reply = ynl.dump(args.dump, attrs) File "/net-next/tools/net/ynl/lib/ynl.py", line 598, in dump return self._op(method, vals, dump=True) File "/net-next/tools/net/ynl/lib/ynl.py", line 584, in _op rsp_msg = self._decode(gm.raw_attrs, op.attr_set.name) File "/net-next/tools/net/ynl/lib/ynl.py", line 451, in _decode self._decode_enum(rsp, attr_spec) File "/net-next/tools/net/ynl/lib/ynl.py", line 408, in _decode_enum value = enum.entries_by_val[raw].name TypeError: unhashable type: 'list' error: 1 Redesign _decode_enum(..) to take a enum int value and translate it to either a bitmask or enum name as expected. Signed-off-by: Arkadiusz Kubalewski --- tools/net/ynl/lib/ynl.py | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py index 5db7d47067f9..671ef4b5eaa6 100644 --- a/tools/net/ynl/lib/ynl.py +++ b/tools/net/ynl/lib/ynl.py @@ -135,7 +135,7 @@ class NlAttr: format = self.get_format(type) return [ x[0] for x in format.iter_unpack(self.raw) ] - def as_struct(self, members): + def as_struct(self, members, attr_spec): value = dict() offset = 0 for m in members: @@ -147,6 +147,9 @@ class NlAttr: format = self.get_format(m.type, m.byte_order) [ decoded ] = format.unpack_from(self.raw, offset) offset += format.size + + if m.enum: + decoded = self._decode_enum(decoded, attr_spec) if m.display_hint: decoded = self.formatted_string(decoded, m.display_hint) value[m.name] = decoded @@ -417,8 +420,7 @@ class YnlFamily(SpecFamily): pad = b'\x00' * ((4 - len(attr_payload) % 4) % 4) return struct.pack('HH', len(attr_payload) + 4, nl_type) + attr_payload + pad - def _decode_enum(self, rsp, attr_spec): - raw = rsp[attr_spec['name']] + def _decode_enum(self, raw, attr_spec): enum = self.consts[attr_spec['enum']] if 'enum-as-flags' in attr_spec and attr_spec['enum-as-flags']: i = attr_spec.get('value-start', 0) @@ -430,15 +432,12 @@ class YnlFamily(SpecFamily): i += 1 else: value = enum.entries_by_val[raw].name - rsp[attr_spec['name']] = value + return value def _decode_binary(self, attr, attr_spec): if attr_spec.struct_name: members = self.consts[attr_spec.struct_name] - decoded = attr.as_struct(members) - for m in members: - if m.enum: - self._decode_enum(decoded, m) + decoded = attr.as_struct(members, attr_spec) elif attr_spec.sub_type: decoded = attr.as_c_array(attr_spec.sub_type) else: @@ -466,6 +465,9 @@ class YnlFamily(SpecFamily): else: raise Exception(f'Unknown {attr_spec["type"]} with name {attr_spec["name"]}') + if 'enum' in attr_spec: + decoded = self._decode_enum(int.from_bytes(attr.raw, "big"), attr_spec) + if not attr_spec.is_multi: rsp[attr_spec['name']] = decoded elif attr_spec.name in rsp: @@ -473,8 +475,6 @@ class YnlFamily(SpecFamily): else: rsp[attr_spec.name] = [decoded] - if 'enum' in attr_spec: - self._decode_enum(rsp, attr_spec) return rsp def _decode_extack_path(self, attrs, attr_set, offset, target):