From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (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 84AC44E3246; Fri, 18 Sep 2026 15:35:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=94.136.29.106 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789745757; cv=none; b=Zlcd7MY781K4GnMrRpwTAuB8pODan79RTmcVNtp1MR1Jp8Zx4yFVzZs+5Hgx71glwRw/ifSN6V/PmFvGqWlS3b8t2gLPaxnAITnz3Y2oD2aSWeUyyr4bAUkpjYcU5p60hQZ81CQTtkos8ASyNOlChq9mQRo8xpjCxI+9tVpudTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789745757; c=relaxed/simple; bh=ySlAoej0F93YdtOPSNSbn4zdzVykp84gZGKWD5skUcU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Dv/sGLvpOc9uEtZ73lothsE/2vcn4cSB5IkEPzBF9NiUiSAPrqoYi7xwpMQ8rXOGllp5Sn6GMLzYbrw2ONfLZk0Dwt2nfSmXhEoS4h77LVqp+DKvZadH5zIJ8GzXnTUVlNMyjJl6RwLcoJPOk/e2zOthg8oLYHWEiOiD8IWfh3Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=proxmox.com; spf=pass smtp.mailfrom=proxmox.com; arc=none smtp.client-ip=94.136.29.106 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=proxmox.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=proxmox.com Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 3A5034773E; Fri, 18 Sep 2026 17:35:52 +0200 (CEST) From: Gabriel Goller To: Andrea Mayer , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH net-next 0/2] net: ipv6: seg6: extack messages for lwtunnel setup Date: Fri, 18 Sep 2026 17:35:14 +0200 Message-ID: <20260918153544.1178884-1-g.goller@proxmox.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1789745751682 seg6_build_state() rejects invalid lwtunnel configurations with a bare -EINVAL, so "ip route add ... encap seg6 ..." always reports "Invalid argument". Patch 1 attaches an extack message to each of them. Patch 2 adds a ksft/ynl selftest that hits some rejection paths and checks the error messages. Gabriel Goller (2): net: ipv6: seg6: report lwtunnel setup errors via extack selftests: seg6: check extack messages on SRv6 lwtunnel setup net/ipv6/seg6_iptunnel.c | 25 ++- tools/testing/selftests/net/Makefile | 1 + .../selftests/net/srv6_iptunnel_extack.py | 168 ++++++++++++++++++ 3 files changed, 189 insertions(+), 5 deletions(-) create mode 100755 tools/testing/selftests/net/srv6_iptunnel_extack.py base-commit: 4bb9710c6a68d35207f123aef55dcd50e7195ec5 -- 2.47.3