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 DA57574BE1; Thu, 5 Feb 2026 01:23:23 +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=1770254604; cv=none; b=YeE76Z9QVCsfN+HRHdzS/KXc5JWxIHiE98567zz7eifrHIpxIS+dgwLwtnfeRUedMzaFi6lcX0vG4/5L/DO3v7uyHUFYdVwkATQXNgGwgSZYwmirORGOAsXUntAmq0HUcE0ItnHSAI5Tcl1sfiEvCtnYspyE7pFwfVf09v3uf08= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770254604; c=relaxed/simple; bh=dbbWH00AN9nxQSpcSlC8OhEK9W93kMW4Kq/rZuG81/E=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Kew+BVKq//Gvu82zB1JeTfEfeg6yUFJcUeI7jpqpK1PxaXAFlrdEE0h7kl6lqC5Hdjye6rYgfEhnUgOPTLQT21FQl2wpwtqzb07JocWCYMzWhzK85fGGpDURMtMPoTfR5JOWagrxTWo0bgOjJsXiOsK/43unYyl67wtOWU9PD7k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Uy6IkTgR; 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="Uy6IkTgR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B535EC4CEF7; Thu, 5 Feb 2026 01:23:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770254603; bh=dbbWH00AN9nxQSpcSlC8OhEK9W93kMW4Kq/rZuG81/E=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Uy6IkTgR8XWjTCd6f2j73ACmERhNylK2D/W1b8L3PcvbVq3lMwSx5aHO9+WtsRFeC 4BcINPYnCAyOYJt6dKizKPlRAocw9j8KABcmEHvf5m64XbnIRcZfaY24uXIYDLyiU/ 1MpcO2NLy4X2BUbrXtWyUox0LjVskACBUNwA7vMRFfQr14i5lEvTtzRW4V7ttZdSBD 40K8I+B0x7mIol1mtAUvWCtBH4U4MwSOpf4Um5wObb37pb7TmO29OEd5H15Xfa9IFj 34rIBWL/KXZC6AgrVAWnBTQP4kXztdUCLqqux9Qi3sbaL20bM6AEcLFboL+n2iSnqa WtRPy8pzOAgDA== Date: Wed, 4 Feb 2026 17:23:20 -0800 From: Jakub Kicinski To: Larysa Zaremba Cc: Martin KaFai Lau , bpf@vger.kernel.org, Claudiu Manoil , Vladimir Oltean , Wei Fang , Clark Wang , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Tony Nguyen , Przemek Kitszel , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Andrii Nakryiko , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Simon Horman , Shuah Khan , Alexander Lobakin , Maciej Fijalkowski , "Bastien Curutchet (eBPF Foundation)" , Tushar Vyavahare , Jason Xing , "Ricardo B. =?UTF-8?B?TWFybGnDqHJl?=" , Eelco Chaudron , Lorenzo Bianconi , Toke Hoiland-Jorgensen , imx@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kselftest@vger.kernel.org, Aleksandr Loktionov Subject: Re: [PATCH bpf 0/6] Address XDP frags having negative tailroom Message-ID: <20260204172320.0cf0259c@kernel.org> In-Reply-To: References: <20260203105417.2302672-1-larysa.zaremba@intel.com> 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: 7bit On Wed, 4 Feb 2026 14:57:13 -0800 Martin KaFai Lau wrote: > On 2/3/26 2:53 AM, Larysa Zaremba wrote: > > Larysa Zaremba (6): > > xdp: produce a warning when calculated tailroom is negative > > ice: fix rxq info registering in mbuf packets > > ice: change XDP RxQ frag_size from DMA write length to truesize > > i40e: use truesize as XDP RxQ info frag_size > > idpf: use truesize as XDP RxQ info frag_size > > net: enetc: use truesize as XDP RxQ info frag_size > > Jakub, can you help to take it to the net tree? Thanks. Will do. I think I also have some questions, first, tho :)