From patchwork Mon Jun 14 12:49:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 12318859 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22651C2B9F4 for ; Mon, 14 Jun 2021 12:50:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0069F61245 for ; Mon, 14 Jun 2021 12:50:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233452AbhFNMwl (ORCPT ); Mon, 14 Jun 2021 08:52:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:43344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233451AbhFNMwk (ORCPT ); Mon, 14 Jun 2021 08:52:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D2C6161244; Mon, 14 Jun 2021 12:50:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623675038; bh=ZULHSPrzZ0pILxvKsK1p2nxDiZcwA3jCkWQHpmSUrVE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kJXcgJPBePmxGChw/QHOS8P+uyMwEBXhqcQH6GGcoz1SUflV81vLHs2Qn1MLbOyyd H4//h/xm8/RoRcK7nbAdzWEqDnuCXjcxKfy24WJgfJeEEftuMBbm44QxdH6ZmYECUM qoKnMPWacr1JO4OIHWvumM9D4zbIuo53+5GOWgZ/4G75uUX1ZtRSBrTnIVb53Cuq2m 6K5Q+DnEDjqxOPrU1xdCEzJ40g6vnJEHQoBZJNEWQOdpef3jatyFVQzXRTJeRZftUp ITIrW9V388Dp6Lg/W3sVIoJ/8+GllZqq7AMY/1jO1W2HNe54uOYhahJOu8qUZlq3pj 4DnA5FKRy8Tfw== From: Lorenzo Bianconi To: bpf@vger.kernel.org, netdev@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, davem@davemloft.net, kuba@kernel.org, ast@kernel.org, daniel@iogearbox.net, shayagr@amazon.com, sameehj@amazon.com, john.fastabend@gmail.com, dsahern@kernel.org, brouer@redhat.com, echaudro@redhat.com, jasowang@redhat.com, alexander.duyck@gmail.com, saeed@kernel.org, maciej.fijalkowski@intel.com, magnus.karlsson@intel.com, tirthendu.sarkar@intel.com Subject: [PATCH v9 bpf-next 01/14] net: skbuff: add data_len field to skb_shared_info Date: Mon, 14 Jun 2021 14:49:39 +0200 Message-Id: <8ad0d38259a678fb42245368f974f1a5cf47d68d.1623674025.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net data_len field will be used for paged frame len for xdp_buff/xdp_frame. This is a preliminary patch to properly support xdp-multibuff Signed-off-by: Lorenzo Bianconi --- include/linux/skbuff.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index dbf820a50a39..332ec56c200d 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -522,7 +522,10 @@ struct skb_shared_info { struct sk_buff *frag_list; struct skb_shared_hwtstamps hwtstamps; unsigned int gso_type; - u32 tskey; + union { + u32 tskey; + u32 data_len; + }; /* * Warning : all fields before dataref are cleared in __alloc_skb()