From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=195.10.208.40 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794648707; b=mqMZEkO3fXsrJEiIdM7yUBJ6EKQ1zQCQGeSgO6D4J+mCPRcMvkz7jPCi7UdEF0Yuchuk AS8TO17vKYhJ/pwrxGtl+F/ZrMQBSsSc+Ce1hW2eepcvnkWg/PNIEapmQvHfy27i8EyRA b99vGJRHz5cLXkjIK9p8bCO179q457YCUT4DDV2ERuT8UBunsiEtoGtULntV3wGn8UZ+o PmoIq/jfCrWwADktFpL81KAuukMzxQmyyb11uUP4zmLCP5xgx9p03ABHA68JYE3i+g/w8 HywA5h5VTy/auqhDhF5wVFQ7FogA1seTsjQ+gOmvMD+KVMxf0wHGM4q9UoUboN1qA0A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794648707; h=DMARC-Filter:Received:DKIM-Signature:From:To:Cc:Subject:Date: Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding:X-Rspamd-Queue-Id; bh=pjQ4hmRMXf86draSgE9PCPT1dsMh/hpnhuF72YIEcWc=; b=v3ISqbz9ZyIRIC/w8qYLjB7F2OpaBFZ/5DUcUBErc7/Ti2TUk+QyMA/fDuChK+sEVJO6 cuPY8gFoUg396tkhLP1uH6CiJxSPtdmpCneVGrLD+2EBhYnkxXZ3ywZ0XorsmkE4tgVe4 4mfmETCyBgT2hZWmHRulF+e/8Z1k9aVkrsyxj5QH36nzht22WtbabVpqXK2PGUXAKYAtV fmHKTPGqbWKg/W4h1qwauRAnqutekW6LQTHUmp1eTMIHNPI/sxQz5OBt64dWyFAcin+qX JX6X4Gxy8rSl0S2vFa2dzEfY7VUElPfqXSeWgIxj6dvy/TZ2mg9PBB/tX4oP/0+6K8Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=mandelbit.com; spf=pass smtp.mailfrom=mandelbit.com; dkim=pass header.d=mandelbit.com header.i=@mandelbit.com header.a=rsa-sha256 header.s=MBO0001 header.b=h7RSDeBk; arc=none smtp.remote-ip=195.10.208.40 Received: from mout-b-210.mailbox.org (mout-b-210.mailbox.org [195.10.208.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 215AB606A323; Sat, 14 Nov 2026 09:31:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 215AB606A323 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mandelbit.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mandelbit.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=mandelbit.com header.i=@mandelbit.com header.a=rsa-sha256 header.s=MBO0001 header.b=h7RSDeBk Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:b231:465::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519MLKEM768 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-b-210.mailbox.org (Postfix) with ESMTPS id 4jRTR35LRZzFqNv; Sat, 14 Nov 2026 10:31:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mandelbit.com; s=MBO0001; t=1794648703; 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: in-reply-to:in-reply-to:references:references; bh=pjQ4hmRMXf86draSgE9PCPT1dsMh/hpnhuF72YIEcWc=; b=h7RSDeBk2zVD3zx6Goes5KaA8oQmvjQV7nxp2dqMH9r+zyfJGOZytf//QvM4NuzPo5iu0y B9uy/bHcxzyJgI6CPJhwfrs8VCWpDoLlIU5+hgAhC0cq4J28W9yos48RtiMkP7PDKWzeDo iM9jmgrr1pdeamIM19lDfBnS+Pedl/6msLiGiOccWvS+6CYk4ryGb0siu2BdgdkFN+o0NK +eXTvZbbml3EqE9qUg47jrVHPPDzp4KekgifuL/n+TDGqjXytTStW9MEq75iihmGwVF2/W OsPEtV1OTtsctyQlukVXIW+F4kBHiEmLFIa8zo3vJZAD6fFhmg+/G5WMSvfopQ== Authentication-Results: outgoing_mbo_mout; dkim=none; spf=pass (outgoing_mbo_mout: domain of ralf@mandelbit.com designates 2001:67c:2050:b231:465::1 as permitted sender) smtp.mailfrom=ralf@mandelbit.com From: Ralf Lici To: Xavier HSINYUAN Cc: antonio@mandelbit.com, davem@davemloft.net, dxld@darkboxed.org, edumazet@kernel.org, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, shuah@kernel.org Subject: Re: [RFC net-next v2 17/18] selftests: net: add ipxlat coverage Date: Sat, 14 Nov 2026 10:31:32 +0100 Message-ID: <20261114093133.94298-1-ralf@mandelbit.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4jRTR35LRZzFqNv On Fri, 06 Nov 2026 21:39:00 +0800, Xavier HSINYUAN wrote: > Hi Ralf, > > How about adding a selftest variant that forces software GSO? This may > help catch checksum issues. > Will do. The iperf3 step already produces GSO skbs, but veth hands them to the peer as CHECKSUM_PARTIAL and the receiver treats them as already verified, so a bad seed is never caught. The next revision will add a variant with tx checksum offload disabled on the egress veth, so software GSO computes the final checksums and the receiver actually verifies them. Thanks! -- Ralf Lici Mandelbit Srl