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=-11.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 1A7F5C433DB for ; Sat, 13 Feb 2021 00:20:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D702464EA0 for ; Sat, 13 Feb 2021 00:20:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229718AbhBMAUv (ORCPT ); Fri, 12 Feb 2021 19:20:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:54562 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229903AbhBMAUu (ORCPT ); Fri, 12 Feb 2021 19:20:50 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id 455DD64EA0; Sat, 13 Feb 2021 00:20:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1613175609; bh=A4jer86Cc9fL9qc19r8SQiSGOBNrgfoe3WMMmyDsMVg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=bO6ONXXco2qEOxK+ow7/pa66iZ/5Z/fuwfwbDS/zeWaJi040i6XwW/nUYq7eSEwoS 318f2PbOjEyaKVfd678pSCvhT6rfHrQGOZrepy8NQnWbPhB/cfwoHgkN5gJkq9Rcx9 750wUYivI00IKn5bSzraSUhuFxC2WPm/yHY+z0bjeFaUSmZa84G81MiSX6FbYTnwhu lC/ZHtysjwzkomB2hBG5BqLi1+YwDumH1DzP5KpAWOHPK+nAe7jSyMC3WPb95EHLzN KUOhOurvDM0TqSynbyNnUhYbokKgeH4F8mUzHwdjdqzDayUk3Xq3iVOhsdB/dZdVmY PF4TBi04AclzA== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next V16 0/7] bpf: New approach for BPF MTU handling From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161317560922.26527.12147444743341964387.git-patchwork-notify@kernel.org> Date: Sat, 13 Feb 2021 00:20:09 +0000 References: <161287779408.790810.15631860742170694244.stgit@firesoul> In-Reply-To: <161287779408.790810.15631860742170694244.stgit@firesoul> To: Jesper Dangaard Brouer Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, borkmann@iogearbox.net, alexei.starovoitov@gmail.com, maze@google.com, lmb@cloudflare.com, shaun@tigera.io, lorenzo@kernel.org, marek@cloudflare.com, john.fastabend@gmail.com, kuba@kernel.org, eyal.birger@gmail.com, colrack@gmail.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (refs/heads/master): On Tue, 09 Feb 2021 14:38:04 +0100 you wrote: > This patchset drops all the MTU checks in TC BPF-helpers that limits > growing the packet size. This is done because these BPF-helpers doesn't > take redirect into account, which can result in their MTU check being done > against the wrong netdev. > > The new approach is to give BPF-programs knowledge about the MTU on a > netdev (via ifindex) and fib route lookup level. Meaning some BPF-helpers > are added and extended to make it possible to do MTU checks in the > BPF-code. > > [...] Here is the summary with links: - [bpf-next,V16,1/7] bpf: Remove MTU check in __bpf_skb_max_len https://git.kernel.org/bpf/bpf-next/c/6306c1189e77 - [bpf-next,V16,2/7] bpf: fix bpf_fib_lookup helper MTU check for SKB ctx https://git.kernel.org/bpf/bpf-next/c/2c0a10af688c - [bpf-next,V16,3/7] bpf: bpf_fib_lookup return MTU value as output when looked up https://git.kernel.org/bpf/bpf-next/c/e1850ea9bd9e - [bpf-next,V16,4/7] bpf: add BPF-helper for MTU checking https://git.kernel.org/bpf/bpf-next/c/34b2021cc616 - [bpf-next,V16,5/7] bpf: drop MTU check when doing TC-BPF redirect to ingress https://git.kernel.org/bpf/bpf-next/c/5f7d57280c19 - [bpf-next,V16,6/7] selftests/bpf: use bpf_check_mtu in selftest test_cls_redirect https://git.kernel.org/bpf/bpf-next/c/6b8838be7e21 - [bpf-next,V16,7/7] selftests/bpf: tests using bpf_check_mtu BPF-helper https://git.kernel.org/bpf/bpf-next/c/b62eba563229 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html