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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5716DECAAD3 for ; Thu, 1 Sep 2022 15:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234490AbiIAPD4 (ORCPT ); Thu, 1 Sep 2022 11:03:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234227AbiIAPDz (ORCPT ); Thu, 1 Sep 2022 11:03:55 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACF9083BE5; Thu, 1 Sep 2022 08:03:53 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id s11so22930722edd.13; Thu, 01 Sep 2022 08:03:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:from:to:cc:subject:date; bh=vcK8Y9RIhCFnLAHNF1ma+eBloNnCb12iQrkaA2RWwss=; b=CLVGkKkq/LgD+cnFQOBUzqNyMDKzqCmneML9igIGH21aL1qaB01IR1MGTfUeaE+mkC P0Bqs5Hm2jJX4LghL1s25mvHgPqhSusaATiSomUqcmb5pyZ+Ut59gpyDQvfGacFJokdx zL46/UrTEHe1u6MiaxkzdjZZFP8bN24zSYxvcOVV+sEpteyIik5m4Ot6jLpL4O1xS1Ci 3LHN0Xuchj4i1ranV/AIN7UQR9JYaovQJ903/yHm3bEVhAwtc73gMdwiTWTITKWITJBZ clsHHPSng+BYK9GNC4JOrZb96p4jjl8m0+6QRH/+Pl4m16Qde9xKgZOqn9abEW6UOcYq Hk7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date; bh=vcK8Y9RIhCFnLAHNF1ma+eBloNnCb12iQrkaA2RWwss=; b=Q5tM1knmNpefvTpECdUpQZ14L7p4R/sGEjFsLo56ojjAmCmCJKhg+WBMiPCHoDuO2I a6zFGKyq9wr+c7Af+pP7uDgf8LzHH8UJ5JwLzMgUspWfowm20Lzc4JCh3Go7Dcwouh/H Yr0WFl+WjZrcfYECBgQQhmGkURG4yQlV/WECuoTNjSWgNrTnMalMC1AIMrBnsWSaTxyn jwDi77CbD0ayvqKHQfOpD7J9ozAxiUNQGl/0F4Mr3caHyvWpzA4c198n/rl36efi1kNS phfqxUPxPlqgvrUKsdJ7Mxy2XZTUpkC+98iBBYBYdsRtTGsNDtXSFdNtVSXl75Uqw/nP FxZQ== X-Gm-Message-State: ACgBeo2vQDtRkoBqvrow7sT/7VQHJY1orR8MU3hUg4zMBSZ14W7KtXm+ /AVBJxtCAsMG+V29hLv4ePE= X-Google-Smtp-Source: AA6agR6ecAmWtCB5BI8iMnmqsmfam7Lue/g0foYnFCgWMZksqtn0CBXZVzGuccTxeDYuPlKSHE2oAg== X-Received: by 2002:a05:6402:268b:b0:446:381d:7b45 with SMTP id w11-20020a056402268b00b00446381d7b45mr29179355edd.372.1662044632304; Thu, 01 Sep 2022 08:03:52 -0700 (PDT) Received: from debian ([89.238.191.199]) by smtp.gmail.com with ESMTPSA id o18-20020a170906601200b007314a01766asm8545273ejj.211.2022.09.01.08.02.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 08:03:51 -0700 (PDT) Date: Thu, 1 Sep 2022 17:01:18 +0200 From: Richard Gobert To: Eric Dumazet Cc: David Miller , Jakub Kicinski , Paolo Abeni , Jonathan Corbet , Hideaki YOSHIFUJI , David Ahern , Alexander Aring , Stefan Schmidt , Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , Martin KaFai Lau , netdev , "open list:DOCUMENTATION" , LKML , linux-wpan@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org Subject: Re: [PATCH 3/4] net-next: frags: add inetpeer frag_mem tracking Message-ID: <20220901150115.GB31767@debian> References: <20220829114648.GA2409@debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-wpan@vger.kernel.org On Mon, Aug 29, 2022 at 03:15:47PM -0700, Eric Dumazet wrote: > We tried to get rid of any dependence over inetpeer, which is not > resistant against DDOS attacks. > > So I would not add a new dependency. I see your point. What do you suggest doing differently? The inetpeer mechanism is used for IPv4 frags. If it isn't resistant against DDoS attacks, can it perhaps be improved?