From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 172B1C44529 for ; Tue, 21 Jul 2026 15:21:28 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id B2CC340849; Tue, 21 Jul 2026 15:21:28 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id Y9tPCiShSGFo; Tue, 21 Jul 2026 15:21:28 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org E6EFA4070F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1784647287; bh=0Rmf+N0EMTdVuCGky14drmy18+nU8XenOdS3gncIz9k=; h=Date:From:To:Cc:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=sDeKE+tf9RkopueR1iGb233+TySg2ZQBeEh5PSG+Pree9UFXe16uGniPN3sQFkPtM ii2HPXVNcwyXCEmLL9u+s6qSKTm/6kSo2SgcUlQO2vZvM/oLdK00k2hwTQUH1vlJoR CVXSQvVymsPVuna7kZsneGaGSjoPDxEP6WVUM2KTDS5pa5wuZl8vS4tDOUzD1Qic/R mffTiuAEgtQuXkJ9Bj5zhLwfilQx20u/SJZTnZn2FCqeOJ9uUvKpNS/AT0RrCu6AEx mr/TVYF4Gw+VOyAQ+gfg8zDyKJ2oiNevz2IObo2S1zZv+UEfy4TdUTtvSSbWydNa5V ROtp8n4m98bIg== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp4.osuosl.org (Postfix) with ESMTP id E6EFA4070F; Tue, 21 Jul 2026 15:21:27 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists1.osuosl.org (Postfix) with ESMTP id 7FB40EB for ; Tue, 21 Jul 2026 15:21:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 6943C4070F for ; Tue, 21 Jul 2026 15:21:27 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id sNGwu09WihA9 for ; Tue, 21 Jul 2026 15:21:26 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=kuba@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org BFE5F406E9 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org BFE5F406E9 Received: from sea.source.kernel.org (sea.source.kernel.org [IPv6:2600:3c0a:e001:78e:0:1991:8:25]) by smtp4.osuosl.org (Postfix) with ESMTPS id BFE5F406E9 for ; Tue, 21 Jul 2026 15:21:26 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id D89A2434B2; Tue, 21 Jul 2026 15:21:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A72C21F00A3A; Tue, 21 Jul 2026 15:21:24 +0000 (UTC) Date: Tue, 21 Jul 2026 08:21:24 -0700 From: Jakub Kicinski To: Lorenzo Bianconi Cc: Donald Hunter , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Andrew Lunn , Tony Nguyen , Przemek Kitszel , Alexander Lobakin , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Shuah Khan , Maciej Fijalkowski , Jonathan Corbet , Shuah Khan , Kumar Kartikeya Dwivedi , Emil Tsalapatis , Vladimir Vdovin , Jakub Sitnicki , netdev@vger.kernel.org, bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, Aleksandr Loktionov Message-ID: <20260721082124.0f44f8e9@kernel.org> In-Reply-To: <20260715-bpf-xdp-meta-rxcksum-v5-1-623d5c0d0ab7@kernel.org> References: <20260715-bpf-xdp-meta-rxcksum-v5-0-623d5c0d0ab7@kernel.org> <20260715-bpf-xdp-meta-rxcksum-v5-1-623d5c0d0ab7@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784647285; bh=0Rmf+N0EMTdVuCGky14drmy18+nU8XenOdS3gncIz9k=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=bxDS6E/thFmxdUIU38K1fepDyvUlwG5v6zo1cHmc84NV4hPg9pG3ccERxRa2mfTbA vvsX3tbh3TkNuXol0mkQvMH/48ozCWlQX0YRrdhvMWVNNibQVv0caGvLjnCBRTaeia YKyQuWmmQbwuGi7hwaOZu8KVmzu3jnU44HYEjOvCsV+wNeX8mWnuuVjFkLPObT0Dzm zFVsbKD+iv0DDMf4xP6f8bdFBxqSIbt81d0i/TGMlPoYviUenDEW96/p+aBSr1gaq8 84fBp8eb7+nSREO6ipgIpjVGZX17dOe4eLBd62mJEzqGuEDZCCjk/Y8Am/N7Unh8ka +ObJa4D4fLZyg== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=bxDS6E/t Subject: Re: [Intel-wired-lan] [PATCH bpf-next v5 1/8] netlink: specs: add XDP RX checksum capability to XDP metadata specs X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Wed, 15 Jul 2026 23:39:41 +0200 Lorenzo Bianconi wrote: > + * In case of success, ``cksum`` contains the checksum value calculated by the > + * NIC. ``cksum`` is valid only if ``XDP_CHECKSUM_COMPLETE`` is set in > + * ``ip_summed``. ``cksum_level`` contains the checksum level reported by the > + * hw. ``cksum_level`` can be considered valid only if > + * ``XDP_CHECKSUM_UNNECESSARY`` is set in ``ip_summed``. nit: cksum -> csum like the rest of the networking stack