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Zeeb" To: Ed Maste cc: "src-committers@freebsd.org" , "dev-commits-src-all@freebsd.org" , "dev-commits-src-main@freebsd.org" Subject: Re: git: 9e469437993b - main - inet.4: drop "experimetal use" from net0 and net240 descriptions In-Reply-To: Message-ID: <92rrs9s2-0846-ppno-o673-69np1773qq40@serrofq.bet> References: <202411111247.4ABClC6l042813@gitrepo.freebsd.org> <46spnoss-r0s0-92o3-60r7-r2o49ro82580@SerrOFQ.bet> <333D66C8-12BC-43CD-B33B-B410B8B3BC22@FreeBSD.org> X-OpenPGP-Key-Id: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed On Wed, 13 Nov 2024, Ed Maste wrote: > On Tue, 12 Nov 2024 at 08:56, Zhenlei Huang wrote: >> >> Emm, while I was reviewing this change, I also wondered if it is too early to remove the word *experimental* as the RFC is still in draft status. Well later I think ( maybe I'm wrong ) RFC actually lag behind the reality ( I'm saying FreeBSD as a vendor and move fast action ) so I think it is OK to remove now. > > My argument for the man page update was that the sysctl controls use > of those addresses, regardless of purpose. Note that the sysctl > description captures this subtle distinction already: > > net.inet.ip.allow_net240: Allow use of Experimental addresses, aka > Class E (240/4) > > That is, it's "... use of Experimental addresses ..." not "... > experimental use of ..." > > Unfortunately it's a bit more of a mess than that. Most operating > systems are allowing 240/4 by default and as it turns out we > (unintentionally?) also allow configuring 240/4 the host's IPv4 > address already. This sysctl actually controls only forwarding, and > we'll need to update anyway. I'm inclined to indicate in the man page > that these sysctls control forwarding, and add a note along the lines > of "at time of writing this region is reserved." Sounds good to me. Thank you! /bz -- Bjoern A. Zeeb r15:7