From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 CA5B6314D19 for ; Tue, 6 Jan 2026 01:35:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767663338; cv=none; b=Z90Z1v2pzt37iubWYSKxs4OQoCZIK56/vlVcUjpXryyfBes6ET5zuezISJ+3wna3EaG1TL84y0CTIysoDetNVRKcsAK6lLdd94Amu/+FoKgVmgsFG8Q4UxYaRcruAl1c704z5ogvjKa/II9Jg4N9m13veFEwwiddWkVu+yPIoaU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767663338; c=relaxed/simple; bh=k/itBHgcviou2LujUa6hvac8sbX6ppluQKvNt6m48fY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WXN+mXBGk4J6R5lnjQOwE+hYvW1otk4/jtQz+JSTcnlIIVW5/JtceaJkL++W1j7xa62QuU+HyYyxZS1QWP8X3fBFIgyMYH50AWtON80jRQXWLDShZymAiBKmONlnkfzsougTe5TD/PmBxkTU3LgZwI3hmmaFfMiuAvlSL3dHhRY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=bF7m4pdF; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bF7m4pdF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1767663335; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=LCH/iKzsxatVqnYUN5bNfLq59BRpb4fTjoEeV+RR8tc=; b=bF7m4pdFWkgHywc82FrVPEg5/3umUx87o4Cq7NWArmu9mqN1/HDTupGegDmb0cxc+dymLv 3JMK9ye8B39xa1STscI9sSDjTQ4goM3Bi40zt1uExDXpvM5WBr3HXOK6fv8vvGqkvp+Mug Gj0bChJPPl0bpQxXk9WpLNJ2kI33xmc= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-489-uCvIrjQXPGOEn5nrFldCog-1; Mon, 05 Jan 2026 20:35:30 -0500 X-MC-Unique: uCvIrjQXPGOEn5nrFldCog-1 X-Mimecast-MFC-AGG-ID: uCvIrjQXPGOEn5nrFldCog_1767663329 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 17D2D195605A; Tue, 6 Jan 2026 01:35:29 +0000 (UTC) Received: from xudu-thinkpadx1carbongen9.nay.csb (unknown [10.66.60.72]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0887F180044F; Tue, 6 Jan 2026 01:35:24 +0000 (UTC) From: Xu Du To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, shuah@kernel.org Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 0/8] selftest: Extend tun/virtio coverage for GSO over UDP tunnel Date: Tue, 6 Jan 2026 09:35:13 +0800 Message-ID: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 The primary goal is to add test validation for GSO when operating over UDP tunnels, a scenario which is not currently covered. The design strategy is to extend the existing tun/tap testing infrastructure to support this new use-case, rather than introducing a new or parallel framework. This allows for better integration and re-use of existing test logic. --- v3 -> v4: - Rebase onto the latest net-next tree to resolve merge conflicts. v3: https://lore.kernel.org/netdev/cover.1767580224.git.xudu@redhat.com/ - Re-send the patch series becasue Patchwork don't update them. v2: https://lore.kernel.org/netdev/cover.1767074545.git.xudu@redhat.com/ - Addresse sporadic failures due to too early send. - Refactor environment address assign helper function. - Fix incorrect argument passing in build packet functions. v1: https://lore.kernel.org/netdev/cover.1763345426.git.xudu@redhat.com/ Xu Du (8): selftest: tun: Format tun.c existing code selftest: tun: Introduce tuntap_helpers.h header for TUN/TAP testing selftest: tun: Refactor tun_delete to use tuntap_helpers selftest: tap: Refactor tap test to use tuntap_helpers selftest: tun: Add helpers for GSO over UDP tunnel selftest: tun: Add test for sending gso packet into tun selftest: tun: Add test for receiving gso packet from tun selftest: tun: Add test data for success and failure paths tools/testing/selftests/net/tap.c | 281 +----- tools/testing/selftests/net/tun.c | 919 ++++++++++++++++++- tools/testing/selftests/net/tuntap_helpers.h | 602 ++++++++++++ 3 files changed, 1526 insertions(+), 276 deletions(-) create mode 100644 tools/testing/selftests/net/tuntap_helpers.h base-commit: c303e8b86d9dbd6868f5216272973292f7f3b7f1 -- 2.49.0