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 X-Spam-Level: X-Spam-Status: No, score=-7.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 94AA8C4320A for ; Tue, 31 Aug 2021 23:15:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 724B260F6B for ; Tue, 31 Aug 2021 23:15:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240774AbhHaXQp (ORCPT ); Tue, 31 Aug 2021 19:16:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233866AbhHaXQo (ORCPT ); Tue, 31 Aug 2021 19:16:44 -0400 Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ECE4AC061575; Tue, 31 Aug 2021 16:15:48 -0700 (PDT) Received: by mail-io1-xd34.google.com with SMTP id z1so1534967ioh.7; Tue, 31 Aug 2021 16:15:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version:content-transfer-encoding; bh=/Yzl5/BMo8mwjKU50+yBzRi98rqy/lPpaWE1eJAfHeQ=; b=RwkEf8EcaRfF/awyn7J+u+YVk12Z22YJEeNPWbFpmdvnhfZN4mvMQdTjVUNVVfTcZ6 QlOJEgvGp6pjkQTB23DHQ/EpPonxsRSsSWLG2rU/7k6xhOnTfTtkWc6aIk+RboON5Cty bHfSl0BPBgiFLkLoYWQAN+WKm0W86Sbu2ECeL8DoJt4mUI0zXJgQUKG+bG9HyfUll1As dhbGS7xXNfTfLWLrkpSs7dhJqsGoc9rUzkGyzFZ6vxQ8dRChczUx/mudt5+3d3VPN1JZ Pa1SlAhN6Dy31NsaWUB1s/B5Xk/IWSTLx95EpYpIkIuoJtXCO9wpLJcTcswXvZwZT5a0 6YQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version:content-transfer-encoding; bh=/Yzl5/BMo8mwjKU50+yBzRi98rqy/lPpaWE1eJAfHeQ=; b=jz/XlLGgxtmIUG2slOBWNwg9ieNxKsKEGDWTKQBIcUkThUEoGB/2kKOlUYIKPskDZz KYK2yxQNglk0G8MADu6o0e4G4Qp65edwcIw4pPLVDxHlsq9722RjWbhA1voEgRvzf/eG 7VMqKWagQmo8jff/T6G6w46gWLe0ugbuslg/KOWX2MjtS5YgX618jFOWI2aeuW+lIBuN bTX4XGHRXBwjlFhZES0EcvKssRvJA/EBpDJhSCJ9Bu6N/ZdYFv5do0BwbztZ0RbpwO27 3sM4gcLD3uyTu8bgjkjEt1gNi9o7azW9AgCLaAzYk9AcrDxJp6d1xItdTD53bXvHbjnr 5ysA== X-Gm-Message-State: AOAM5328M0AeCWKqsDRzL7jp+oFNM3Xc3h9O0+g1rvMKC/CJH+fa73Sx 84qBx/CtxacpZPTYN6E3wMfs9TqJhgg= X-Google-Smtp-Source: ABdhPJxzApBl6auHk4Bl+bGGc6rMbJCQWCGhVoUB7XQYLfXHHxJawCNHLI1jdFlsFGsIawz0Hx7c/w== X-Received: by 2002:a5d:96da:: with SMTP id r26mr24790828iol.47.1630451748394; Tue, 31 Aug 2021 16:15:48 -0700 (PDT) Received: from localhost ([172.243.157.240]) by smtp.gmail.com with ESMTPSA id x10sm10979441ila.4.2021.08.31.16.15.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Aug 2021 16:15:47 -0700 (PDT) Date: Tue, 31 Aug 2021 16:15:41 -0700 From: John Fastabend To: Lorenzo Bianconi , 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, 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, toke@redhat.com Message-ID: <612eb81dcccfb_6b8720859@john-XPS-13-9370.notmuch> In-Reply-To: References: Subject: RE: [PATCH v12 bpf-next 02/18] xdp: introduce flags field in xdp_buff/xdp_frame Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Lorenzo Bianconi wrote: > Introduce flags field in xdp_frame and xdp_buffer data structures > to define additional buffer features. At the moment the only > supported buffer feature is multi-buffer bit (mb). Multi-buffer bit > is used to specify if this is a linear buffer (mb = 0) or a multi-buffer > frame (mb = 1). In the latter case the driver is expected to initialize > the skb_shared_info structure at the end of the first buffer to link > together subsequent buffers belonging to the same frame. > > Signed-off-by: Lorenzo Bianconi > --- Acked-by: John Fastabend