From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 61E5872608; Wed, 25 Jun 2025 00:22:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750810935; cv=none; b=rwK63tO2TiCSXPC1u/RSHDMcLgK3DxogKhhIB3EM0DhU4+F7TPe29ww65yPQmjx+DrnTJfvAyPAiNbAWFX+bhArARND6g2AC0eNaMQEzTTY0VrabcRkbJ5D0Lh8Zd2+z7K3vKx4XcgI3bqttF6das9p0EqhTlfwnpoR9TLt3NVY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750810935; c=relaxed/simple; bh=r1QOunjZnN8JSSXJJERAc15DOyMsH0n/c0OAcrYsaOQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=C15/V0BwL8N2OJxE9+sQkD8jTjoB2H0wC/J1lTkmc48R5cyuNEbW0qM1/dei9Z1X0UcOOhCdATLs5uEwzhMQrhy68sQwbPhH94Wh66TKp7groTwR7VCRrI0159Rp5eq21fLnMzcNF7VW49449PV2ukYlV7MqOo/dce0xEFeyIMg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=B0l+yFss; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="B0l+yFss" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57B0EC4CEE3; Wed, 25 Jun 2025 00:22:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750810934; bh=r1QOunjZnN8JSSXJJERAc15DOyMsH0n/c0OAcrYsaOQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=B0l+yFssagYlFC2aeW0shi8Bbgf7SFG+3hT9EinAXIr9AWIXyxahPmM2186MRRERm KeV2UnieRfni5DxQfJT3Z+5L3EGxCcD8aQ49T+ro5Ft74XlaAd0p8Ie5xxj/PuBOpR +mfSJb4vgIHF7K8fvBhvjO2KPWRKkJ/9Yhcl7RVLNIVvJTi9bkOOyBacSLWhbSVRiA gz9qTjKBb2elBoXZdyFZWjdnFBjQyszTowJmeh9Wupyaq9jFMX1+sFlGNA0ZMubsLB 44djEDL3TGXEk+vNWEWFYlMm9zYm8KoKEa7YAhyJfhy+hSnGBeX5Q+AXkkQIj6qcfc paJ73BDpvFyzA== Date: Tue, 24 Jun 2025 17:22:13 -0700 From: Jakub Kicinski To: Lorenzo Bianconi Cc: "David S. Miller" , David Ahern , Eric Dumazet , Paolo Abeni , Simon Horman , Pablo Neira Ayuso , Jozsef Kadlecsik , netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org Subject: Re: [PATCH net-next] net: netfilter: Add IPIP flowtable SW acceleration Message-ID: <20250624172213.67768427@kernel.org> In-Reply-To: <20250623-nf-flowtable-ipip-v1-1-2853596e3941@kernel.org> References: <20250623-nf-flowtable-ipip-v1-1-2853596e3941@kernel.org> 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-Transfer-Encoding: quoted-printable On Mon, 23 Jun 2025 15:15:51 +0200 Lorenzo Bianconi wrote: > Introduce SW acceleration for IPIP tunnels in the netfilter flowtable > infrastructure. =46rom a look at this patch and the code in nf_flow_table_ip.c I'm a little unclear on whether the header push/pop happens if we "offload" the forwarding. > IPIP SW acceleration can be tested... I think it's time we start to ask for selftest that can both run in SW mode and be offload if appropriate devices are pass in via env. --=20 pw-bot: cr