From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) (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 C0A9B39901C for ; Wed, 4 Feb 2026 22:57:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770245848; cv=none; b=NR2wlCuUTPPW6QMRFdfLl2LawN0MWc5PpGXLIoZZ0XPCAl/Yfpcj+4OLaplsgARys3h4gdz2aQItU6mnebgl40KeSwx+URgD4a/xi0dthNEl5UsG/+ztzMj4NxiTIt1Ja+Ng/8dZGwpEJALa8mrep6Io/zyhUUD7mPMx+duQN1c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770245848; c=relaxed/simple; bh=NHd1asEpRG5L+/D4uyhSxZD5zxGYxW7LuIhpPgZMFGQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZW1zgsXXADlMweD+2y9/DoCKbQZAnU1xc37dqgTTAP7A88eFHvJXsAhqtbBBrQDxRMaz/B7CCJLM5ih8EvK+3nNcd5uHIKKo13ZOOIxE03W6j7P3X46HXZrGkql84oY0UvaMYF+kTqi8RBOE+X/hfkhLyu55OSEq++0AuRDIfOU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=HK44WUzM; arc=none smtp.client-ip=95.215.58.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="HK44WUzM" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1770245845; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qBt8lt8bM7kV+Zu3BUC89Q+Zy75+2GMxIq581jsCjw8=; b=HK44WUzMaWM8Rka/qoHOX77lnm8HDdtPBUdxnIbURLPeP2r0edD3WlO/hdKyb1NXjirVyV pTe9xU5s/rVYN8o8hce9VmqHqNZjTP4UW8FX/adILp4kA6iRHmrjC83/cHcmr0FmdMzX9u i7Yk3SOnv+meqKNARN6qxrWNqJ2IvVU= Date: Wed, 4 Feb 2026 14:57:13 -0800 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH bpf 0/6] Address XDP frags having negative tailroom To: Jakub Kicinski Cc: bpf@vger.kernel.org, Larysa Zaremba , 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 , =?UTF-8?Q?Ricardo_B=2E_Marli=C3=A8re?= , 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 References: <20260203105417.2302672-1-larysa.zaremba@intel.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Martin KaFai Lau In-Reply-To: <20260203105417.2302672-1-larysa.zaremba@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT 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 > > drivers/net/ethernet/freescale/enetc/enetc.c | 2 +- > drivers/net/ethernet/intel/i40e/i40e_main.c | 5 ++-- > drivers/net/ethernet/intel/ice/ice_base.c | 26 ++++++-------------- > drivers/net/ethernet/intel/ice/ice_xsk.c | 3 +++ > drivers/net/ethernet/intel/idpf/xdp.c | 2 +- > net/core/filter.c | 3 ++- Jakub, can you help to take it to the net tree? Thanks.