From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 43D4A3D3A7 for ; Tue, 12 Mar 2024 10:08:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710238119; cv=none; b=EmkzgNciNcyNptR69q5e06UPFlRINug3ZK63mGNfc8G6vUamhveinSEtQ/sBcEeqvxkG5LiWRY34/CnpBlPUOwGPa/ktJVQHtwJWipeyByHWRQs0k4BaZF/SEtyiyXRCiRYJmSjcx6O3dAiMgiOyx4CPVcp6/P+xPSYBPxcaBnU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710238119; c=relaxed/simple; bh=sb3xs72tNNne3/nKiRTK9VNgkjWof4CY904qHU+lT3s=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=NUrpEdPxtRK4He/HqoSkmBpo5ZgD4ymYdjYLop6mmuDtmZsTB2Od71tCzmy0DjX6WKcPPcdZuKq2b9qicmJ8fiMxhcJZZtibdjp7qEEFjaG6jc9EqEFykRoAIdqchCBlo8X7g3eR3XxXALaDbOpO3uIXirhTub/rf87SMr+yOQs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Ty46pv05; arc=none smtp.client-ip=209.85.210.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ty46pv05" Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-6e64a9df6c3so4348189b3a.3 for ; Tue, 12 Mar 2024 03:08:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1710238117; x=1710842917; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=kaM1gExR2zQwsiRWtDnOLwnNUwBMIE8H218yp1tumLQ=; b=Ty46pv05PNFkyiOPTIDOOVXSdeXooJcZvycDJpLhDDdXbDkZLWc6oFG1N8ISoqiYWj F61j0FWQHc53FNoVdzOXXyoPLpSDozS4/Wg6zESNGCPgy2edc1QhFStJiUl+uCzIWeAq vacyeUaQPUVBFLm/sS8BcEybI1PVLuGImlvR2cGsffR9oh3KrmrkJ3zhLRWRe7nsiLZO KSBCzEnmjnxx8baiBn0S5eOcjFMpzT3ONJUZJtMUFIipOXBSz9BxMpHYz5MF4InqRJOq 4xUdJutr0qe+bjRNJ9pIVmxajkX/YsGqFKwlq4fu7kGTJC2jf1FzMNWiThYbac0QcmiP f88g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710238117; x=1710842917; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=kaM1gExR2zQwsiRWtDnOLwnNUwBMIE8H218yp1tumLQ=; b=t4T+gIayDcnqNUODvLCLW3BefTnaASqgmVcowl4tBnQRENzdjh+1esCmfCZ6vWduyY ZLcI4OdddXUjrKeqLIaMol8JhAKnkauHE32z1CgfMqqoT4BHcQY/PneRim8dwc/uBeC9 EqB9q8slOJqzhUjKMc/HlSclvFttNO6385R8cfoND/W+m3B1tvuBrebIqq6Pe48J/lJd s3CsyVezoFjQgHMlm3K8VxHCoHhIOlH9lQJumlkFRdH70QwpUaXrJb6BmAoRGM6hBEuC jaliw8K8k9QpeDRW8eIKBrBem7DL0PMft0x4WJgI+TlRc56XnZZaDgZSIt2pnsvVlJWw hdKg== X-Forwarded-Encrypted: i=1; AJvYcCXhiSafc39bvOeJ0AZu8OlcRDjOvXkDEEp1cWQvM0Q4v3F4gvnoVkaG8Z1yhrQCOX05Ht6k5a7dlmWtovytozdQMLxMdjaz X-Gm-Message-State: AOJu0YyOnv3rlk1nQjlc1Rb6NLuTDeV8Cm+NtmL9ndJGSWfkLJfaPurB jtwfse1oR+/yRSBkE92YxYkKGVyhRT0GC6D5r4jagrSfUJENiqd9gmxutd6+fUwr+w== X-Google-Smtp-Source: AGHT+IGKvdVjm8ERFGYJ92iL/7rlLGqMGC2a9I1W+VjeqAL0Y4hXPE7GUF7t3J4ucQPvCMSWfslt+Q== X-Received: by 2002:a05:6a20:b2a5:b0:1a1:818a:1002 with SMTP id ei37-20020a056a20b2a500b001a1818a1002mr7397560pzb.40.1710238117481; Tue, 12 Mar 2024 03:08:37 -0700 (PDT) Received: from Laptop-X1 ([43.228.180.230]) by smtp.gmail.com with ESMTPSA id u6-20020a170902e80600b001dd88cf204dsm5163700plg.80.2024.03.12.03.08.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Mar 2024 03:08:36 -0700 (PDT) Date: Tue, 12 Mar 2024 18:08:33 +0800 From: Hangbin Liu To: Jakub Kicinski Cc: Donald Hunter , netdev@vger.kernel.org Subject: How to display IPv4 array? Message-ID: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Jakub, I plan to add bond support for Documentation/netlink/specs/rt_link.yaml. While dealing with the attrs. I got a problem about how to show the bonding arp/ns targets. Because the arp/ns targets are filled as an array[1]. I tried something like: - name: linkinfo-bond-attrs name-prefix: ifla-bond- attributes: - name: arp-ip-target type: nest nested-attributes: ipv4-addr - name: ipv4-addr attributes: - name: addr type: binary display-hint: ipv4 But this failed with error: Exception: Space 'ipv4-addr' has no attribute with value '0' Do you have any suggestion? [1] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/tree/drivers/net/bonding/bond_netlink.c#n670 Thanks Hangbin