From owner-freebsd-net@freebsd.org Mon Dec 17 11:48:25 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0D388133BBC4 for ; Mon, 17 Dec 2018 11:48:25 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward105p.mail.yandex.net (forward105p.mail.yandex.net [77.88.28.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 96DA569E2A; Mon, 17 Dec 2018 11:48:23 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback11g.mail.yandex.net (mxback11g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:90]) by forward105p.mail.yandex.net (Yandex) with ESMTP id F228E4D41D64; Mon, 17 Dec 2018 14:48:14 +0300 (MSK) Received: from smtp3p.mail.yandex.net (smtp3p.mail.yandex.net [2a02:6b8:0:1472:2741:0:8b6:8]) by mxback11g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id nxt1ucpBBe-mEP8snvP; Mon, 17 Dec 2018 14:48:14 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1545047294; bh=iqgiDfidD0IGduPVezOXvLSWGPxbKJvHUdFTXZAXEO4=; h=Subject:From:To:References:Cc:Message-ID:Date:In-Reply-To; b=KvHR7radFubTsVoOtg5vr59Dj9eNM5AODZd0Ncr0meuCDr6O3fPbkhhduf/t8SS92 z2ww0LLxOZ62uUZbapzXpoyq3uqHtYzh8GqF0HmXkOpiu7E7Yv8/T2BemXfY7553Wr pz9wWyCnbBkyPDOsZsUIZf16I1VxTFlja6YX4iyE= Received: by smtp3p.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id bGHMIVED8M-mDoOwJ0L; Mon, 17 Dec 2018 14:48:13 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1545047293; bh=iqgiDfidD0IGduPVezOXvLSWGPxbKJvHUdFTXZAXEO4=; h=Subject:From:To:References:Cc:Message-ID:Date:In-Reply-To; b=AzoYZkQ+TMtbbuKImHAyYQaCZhyqe3yospXiFV1NYKdzxK8kci8HnXyXrAmIwm9+S 6qadmnUxzhz2FM/CJuAM/0R48Am510iXoPwoUbmiHpthm4QzYbTf2AVDIxNNYJl4Yz gZ2S+Nma7HU+EEVOGjO42WdLe+rDgf3lsTVyRkXk= Subject: Re: RFC 5549? From: "Andrey V. Elsukov" To: Donald Sharp , freebsd-net@freebsd.org References: Cc: =?UTF-8?Q?Olivier_Cochard-Labb=c3=a9?= , George Neville-Neil Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Autocrypt: addr=bu7cher@yandex.ru; prefer-encrypt=mutual; keydata= mQENBEwBF1kBCADB9sXFhBEUy8qQ4X63Y8eBatYMHGEFWN9ypS5lI3RE6qQW2EYbxNk7qUC5 21YIIS1mMFVBEfvR7J9uc7yaYgFCEb6Sce1RSO4ULN2mRKGHP3/Sl0ijZEjWHV91hY1YTHEF ZW/0GYinDf56sYpDDehaBF5wkWIo1+QK5nmj3vl0DIDCMNd7QEiWpyLVwECgLX2eOAXByT8B bCqVhJGcG6iFP7/B9Ll6uX5gb8thM9LM+ibwErDBVDGiOgvfxqidab7fdkh893IBCXa82H9N CNwnEtcgzh+BSKK5BgvPohFMgRwjti37TSxwLu63QejRGbZWSz3OK3jMOoF63tCgn7FvABEB AAG0JUFuZHJleSBWLiBFbHN1a292IDxidTdjaGVyQHlhbmRleC5ydT6JATgEEwECACIFAkwB F1kCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEAHF6gQQyKF6qmYIAI6ekfm1VA4T vqankI1ISE6ku4jV7UlpIQlEbE7/8n3Zd6teJ+pGOQhN5qk8QE7utdPdbktAzi+x7LIJVzUw 4TywZLXGrkP7VKYkfg6oyCGyzITghefQeJtr2TN4hYCkzPWpylkue8MtmqfZv/6royqwTbN+ +E09FQNvTgRUYJYTeQ1qOsxNRycwvw3dr2rOfuxShbzaHBB1pBIjGrMg8fC5pd65ACH5zuFV A0CoTNGMDrEZSfBkTW604UUHFFXeCoC3dwDZRKOWJ3GmMXns65Ai5YkA63BSHEE1Qle3VBhd cG1w0CB5FBV3pB27UVnf0jEbysrDqW4qN7XMRFSWNAy5AQ0ETAEXWQEIAJ2p6l9LBoqdH/0J PEFDY2t2gTvAuzz+8zs3R03dFuHcNbOwjvWCG0aOmVpAzkRa8egn5JB4sZaFUtKPYJEQ1Iu+ LUBwgvtXf4vWpzC67zs2dDuiW4LamH5p6xkTD61aHR7mCB3bg2TUjrDWn2Jt44cvoYxj3dz4 S49U1rc9ZPgD5axCNv45j72tggWlZvpefThP7xT1OlNTUqye2gAwQravXpZkl5JG4eOqJVIU X316iE3qso0iXRUtO7OseBf0PiVmk+wCahdreHOeOxK5jMhYkPKVn7z1sZiB7W2H2TojbmcK HZC22sz7Z/H36Lhg1+/RCnGzdEcjGc8oFHXHCxUAEQEAAYkBHwQYAQIACQUCTAEXWQIbDAAK CRABxeoEEMihegkYCAC3ivGYNe2taNm/4Nx5GPdzuaAJGKWksV+w9mo7dQvU+NmI2az5w8vw 98OmX7G0OV9snxMW+6cyNqBrVFTu33VVNzz9pnqNCHxGvj5dL5ltP160JV2zw2bUwJBYsgYQ WfyJJIM7l3gv5ZS3DGqaGIm9gOK1ANxfrR5PgPzvI9VxDhlr2juEVMZYAqPLEJe+SSxbwLoz BcFCNdDAyXcaAzXsx/E02YWm1hIWNRxanAe7Vlg7OL+gvLpdtrYCMg28PNqKNyrQ87LQ49O9 50IIZDOtNFeR0FGucjcLPdS9PiEqCoH7/waJxWp6ydJ+g4OYRBYNM0EmMgy1N85JJrV1mi5i Message-ID: <45cb71a0-8135-30e2-6096-784c4fc44fea@yandex.ru> Date: Mon, 17 Dec 2018 14:45:42 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.3.3 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="dI8uyWhyBAbBVLfWVKHGw4o2fV8VGFpIA" X-Rspamd-Queue-Id: 96DA569E2A X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yandex.ru header.s=mail header.b=KvHR7rad; dkim=pass header.d=yandex.ru header.s=mail header.b=AzoYZkQ+; dmarc=pass (policy=none) header.from=yandex.ru; spf=pass (mx1.freebsd.org: domain of bu7cher@yandex.ru designates 77.88.28.108 as permitted sender) smtp.mailfrom=bu7cher@yandex.ru X-Spamd-Result: default: False [-5.29 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:77.88.0.0/18]; FREEMAIL_FROM(0.00)[yandex.ru]; HAS_ATTACHMENT(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[yandex.ru:+]; MX_GOOD(-0.01)[mx.yandex.ru,mx.yandex.ru,mx.yandex.ru,mx.yandex.ru,mx.yandex.ru]; DMARC_POLICY_ALLOW(-0.50)[yandex.ru,none]; SUBJ_ALL_CAPS(0.68)[9]; SIGNED_PGP(-2.00)[]; NEURAL_HAM_SHORT(-0.98)[-0.980,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[108.28.88.77.list.dnswl.org : 127.0.5.1]; SUBJECT_ENDS_QUESTION(1.00)[]; FREEMAIL_ENVFROM(0.00)[yandex.ru]; ASN(0.00)[asn:13238, ipnet:77.88.0.0/18, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[yandex.ru.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[yandex.ru:s=mail]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; MIME_TRACE(0.00)[0:+,1:+,2:+]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; IP_SCORE(-0.77)[asn: 13238(-3.86), country: RU(0.00)] 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: Mon, 17 Dec 2018 11:48:25 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --dI8uyWhyBAbBVLfWVKHGw4o2fV8VGFpIA Content-Type: multipart/mixed; boundary="4LStG5ujZTb13lJXFWat1uN3Uble71yxi"; protected-headers="v1" From: "Andrey V. Elsukov" To: Donald Sharp , freebsd-net@freebsd.org Cc: =?UTF-8?Q?Olivier_Cochard-Labb=c3=a9?= , George Neville-Neil Message-ID: <45cb71a0-8135-30e2-6096-784c4fc44fea@yandex.ru> Subject: Re: RFC 5549? References: In-Reply-To: --4LStG5ujZTb13lJXFWat1uN3Uble71yxi Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 11.12.2018 15:07, Andrey V. Elsukov wrote: >> The FRRouting project has some basic support for rfc 5549 and I've >> been asked to see if it is possible to get this bit of code working >> with the FRRouting freebsd kernel interface. What is RFC 5549 you >> ask? The tl;dr of it is that you have v4 prefixes w/ a v6 gateway. >> For some more background the linux implementation cheats ( and I would= >> like to emphatically point out that I'm not suggesting this solution, >> I'm giving the linux solution to the problem as a data point to how it= >> was solved in one instance ) by installing a neighbor entry for >> `169.254.0.1 ` and= >> when installing the v4 prefix we see the v6 nexthop and replace it >> with `169.254.0.1 ` in the netlink message to the >> kernel. Is support of RFC 5549 possible in Freebsd? >=20 > I have thought a bit about this, and have some ideas how implement this= =2E > In general we can install into the kernel routes that has IPv6 address > as gateway for IPv4 (currently this is not allowed by default, but it i= s > easy to allow). So, as a routing daemon developer you can use generic > API to install routes where RTAX_GATEWAY is IPv6 address. Hi, I have implemented basic support, so it can be tested now: https://reviews.freebsd.org/D18581 --=20 WBR, Andrey V. Elsukov --4LStG5ujZTb13lJXFWat1uN3Uble71yxi-- --dI8uyWhyBAbBVLfWVKHGw4o2fV8VGFpIA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAlwXjGYACgkQAcXqBBDI oXpjMgf+N80MDjVuY8y+xlDD7/b7L50L3a1O6sJyXj9VfFz8KjGMpGjXAbEPFwDH S5uDDeFb2X6iYFzVXVeIH3NuQE2oCYpBnIB0dISA2A2EYmhFWedQWNaFrz1hNOcV fVMN1KKGO3o9eqghJmdvHG/brJ9jqTFM9A3SsoNAwRVjOEGnT7crXvbVs8HZ/nIO Jisea2KxJkpv1sUqclfGLriRC0YiyCNWp6e+m9VeRfflQjLP/XqQt5cWgduuxTtb EoCHSCSPr5MopI6jrXScxXlWzTvLJ2zacu+Idh4RW1LncRl/i/djmSEaN8N1NtyL Wwqgm3yyHsn3nQGl487xRQuZuacsMA== =CI07 -----END PGP SIGNATURE----- --dI8uyWhyBAbBVLfWVKHGw4o2fV8VGFpIA--