From owner-freebsd-net@freebsd.org Wed Sep 25 10:27:32 2019 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5715012263C for ; Wed, 25 Sep 2019 10:27:32 +0000 (UTC) (envelope-from jhay@meraka.org.za) Received: from marge.meraka.csir.co.za (marge.meraka.csir.co.za [IPv6:2001:4200:7000:3::1]) by mx1.freebsd.org (Postfix) with ESMTP id 46dZ4g3856z3CQG for ; Wed, 25 Sep 2019 10:27:30 +0000 (UTC) (envelope-from jhay@meraka.org.za) Received: from marge.meraka.csir.co.za (localhost [127.0.0.1]) by marge.meraka.csir.co.za (Postfix) with ESMTP id 7737E7906 for ; Wed, 25 Sep 2019 12:27:26 +0200 (SAST) X-Virus-Scanned: amavisd-new at meraka.org.za Received: from marge.meraka.csir.co.za ([127.0.0.1]) by marge.meraka.csir.co.za (marge.meraka.csir.co.za [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OD_cbmtbnF1K for ; Wed, 25 Sep 2019 12:27:24 +0200 (SAST) Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by marge.meraka.csir.co.za (Postfix) with ESMTPSA for ; Wed, 25 Sep 2019 12:27:24 +0200 (SAST) Received: by mail-wr1-f53.google.com with SMTP id r3so6110626wrj.6 for ; Wed, 25 Sep 2019 03:27:24 -0700 (PDT) X-Gm-Message-State: APjAAAXfuCoriMNuBw4Ag+IRQDMPLV1nDdVS3cc6pDmgX1zL8BrZCZFa 2FiLrnoZyvByDjCwko19JqRevIaM6YPPZAQEiC2I8Q== X-Google-Smtp-Source: APXvYqzEOBBRWWhDjX5Crou61cuqrtwdqdAB4AQ0LtFibG939MgIrdgT+JA8M9DHyxU8SRXnvWJ+VpqJX8c835fsHvo= X-Received: by 2002:adf:ce86:: with SMTP id r6mr8598158wrn.57.1569407242090; Wed, 25 Sep 2019 03:27:22 -0700 (PDT) MIME-Version: 1.0 References: <201909242219.x8OMJP3P013498@gndrsh.dnsmgr.net> <5D8B3056.1020904@grosbein.net> In-Reply-To: <5D8B3056.1020904@grosbein.net> From: John Hay Date: Wed, 25 Sep 2019 12:27:10 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: dummynet: bandwidth is limited to 2 Gbit/s ? To: Eugene Grosbein Cc: "Rodney W. Grimes" , freebsd-net , Andriy Gapon X-Rspamd-Queue-Id: 46dZ4g3856z3CQG X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of jhay@meraka.org.za designates 2001:4200:7000:3::1 as permitted sender) smtp.mailfrom=jhay@meraka.org.za X-Spamd-Result: default: False [-1.76 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip6:2001:4200:7000:3::1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; DMARC_NA(0.00)[meraka.org.za]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; RCVD_IN_DNSWL_MED(-0.20)[1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.0.0.0.7.0.0.2.4.1.0.0.2.list.dnswl.org : 127.0.11.2]; IP_SCORE(-0.37)[asn: 2018(-1.84), country: ZA(0.00)]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:2018, ipnet:2001:4200:7000::/48, country:ZA]; MIME_TRACE(0.00)[0:+,1:+,2:~] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Sep 2019 10:27:32 -0000 On Wed, 25 Sep 2019 at 11:16, Eugene Grosbein wrote: > On 25.09.2019 05:19, Rodney W. Grimes wrote: > > >> AFAIK, we never had any public ABI or stable KBI interface announced to > userland or in-kernel consumers > >> and had no consumers of dummynet other than ipfw(8) binary. Just > increase type. > > > > Any attempt to mfc this would break KABI/userland and that is never > > a good thing to do. It may not be a public ABI, but it is an ABI, > > and stability of that and backwards compatibility are always a good > > thing to strive for. > > Agreed. So, no MFC for this. > Will this break upgrades with freebsd-update? On a major upgrade, it will first install the new kernel and require a reboot before you run freebsd-update again to install the rest. Regards John