From owner-freebsd-stable@FreeBSD.ORG Sat Dec 22 01:19:11 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8D755833; Sat, 22 Dec 2012 01:19:11 +0000 (UTC) (envelope-from kpaasial@gmail.com) Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by mx1.freebsd.org (Postfix) with ESMTP id E63F08FC0A; Sat, 22 Dec 2012 01:19:10 +0000 (UTC) Received: by mail-wg0-f52.google.com with SMTP id 12so2444417wgh.7 for ; Fri, 21 Dec 2012 17:19:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=Ut/w7+iVHkzT0sIfQg7yNnCLhjDQB2XVNJmjzu3MDTk=; b=0+uTwBExZfhEKiU/81woBqqxuRstlxW2o/jcx17qGaHopaShvlIfEBV1S7v1055/v4 URZQmF4U8+jHpgRjIsu9x7Z77fqt/sJCVsJIdZL0/+XCV6TI0ddHLCNc0MPampBIQPXD i54+CmBxy695Ggcm1WIm1lWbq7yHJfluvwcr+NoRGDlSkNfQBNTV8jeIR9RcOrOSn3zE gGfpUstPUnNEeMK0ifijMNfwInpxck256tdf9V/KmJ2c+ar2B0vkgDYJ+w17OJ1B5PkM ZLq4dLQLXRH1vtYnGxB2DHN4wZI+lPgmZiOUkzbFusTi818Y5mcdeZ0zDYmazbNaOpEM 0Wyg== MIME-Version: 1.0 Received: by 10.180.100.197 with SMTP id fa5mr18259087wib.32.1356139149805; Fri, 21 Dec 2012 17:19:09 -0800 (PST) Received: by 10.216.172.197 with HTTP; Fri, 21 Dec 2012 17:19:09 -0800 (PST) In-Reply-To: <50D4F2E4.7020600@wasikowski.net> References: <50D1C553.9060100@wasikowski.net> <20121220132750.GB99616@stack.nl> <50D4F2E4.7020600@wasikowski.net> Date: Sat, 22 Dec 2012 03:19:09 +0200 Message-ID: Subject: Re: ipv6_addrs_IF aliases in rc.conf(5) From: Kimmo Paasiala To: =?UTF-8?Q?=C5=81ukasz_W=C4=85sikowski?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 Dec 2012 01:19:11 -0000 On Sat, Dec 22, 2012 at 1:38 AM, =C5=81ukasz W=C4=85sikowski wrote: > W dniu 2012-12-21 13:23, Kimmo Paasiala pisze: >> On Fri, Dec 21, 2012 at 5:43 AM, Kimmo Paasiala wro= te: >>> On Thu, Dec 20, 2012 at 3:27 PM, Jilles Tjoelker wrot= e: >>>> On Thu, Dec 20, 2012 at 01:04:34PM +0200, Kimmo Paasiala wrote: >>>>> A question related to this for those who have been doing work on the >>>>> rc(8) scripts. Can I assume that /usr/bin is available when >>>>> network.subr functions are used? Doing calculations on hexadecimal >>>>> numbers is going to be very awkward if I can't use for example bc(1). >>>> >>>> You cannot assume that /usr/bin is available when setting up the >>>> network. It may be that /usr is mounted via NFS. >>>> >>>> You can use hexadecimal numbers (prefixed with 0x) in $((...)) >>>> expressions. In FreeBSD 9.0 or newer, sh has a printf builtin you can >>>> use; in older versions you can use hexdigit and hexprint from >>>> network.subr. >>>> >>>> -- >>>> Jilles Tjoelker >>> >>> Thanks, I've rewitten my patch to support ranges. It is attached in >>> this message. >>> >>> Again it's against a very recent 9-STABLE, I still haven't found time >>> to see if it applies to CURRENT. >>> >>> It does allow you to do crazy stuff like >>> >>> ipv6_addrs_re0=3D"2001:db8:1111:2222::1-ffff/64" >>> >>> However I didn't find anything to limit the number of aliases in the >>> ipv4 version of the function either. >>> >>> Please test it :) >>> >>> >>> Then a question about the PR >>> (http://www.freebsd.org/cgi/query-pr.cgi?pr=3D174225) I wrote, how can = I >>> attach this new patch to it? The submit follow up -button fires up my >>> email client and I'm not so sure how to submit a new patch for the PR >>> in an email in such a way that it appears properly formatted in the >>> PR. >>> >>> Regards, >>> >>> Kimmo Paasiala >> >> PR updated with the new patch. > > Your patch applied cleanly, but it's not working or I am doing something > wrong. > > root@freebsd:~ # uname -a > FreeBSD freebsd 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #1 r244567: Fri > Dec 21 23:57:28 CET 2012 root@freebsd:/usr/obj/usr/src/sys/GENERIC > amd64 > > root@freebsd:~ # grep -Ev '^[[:space:]]*#|^$' /etc/rc.conf > hostname=3D"freebsd" > ifconfig_em0=3D"up" > ipv4_addrs_em0=3D"192.168.168.20-24/24" > defaultrouter=3D"192.168.168.1" > ipv6_activate_all_interfaces=3D"YES" > ipv6_addrs_em0=3D"2001:6a0:1cb::1-6/64" > ipv6_defaultrouter=3D"2001:6a0:1cb::ffff" > sshd_enable=3D"YES" > dumpdev=3D"NO" > named_enable=3D"YES" > > root@freebsd:~ # ifconfig > em0: flags=3D8843 metric 0 mtu 15= 00 > options=3D9b > ether 08:00:27:02:83:71 > inet6 fe80::a00:27ff:fe02:8371%em0 prefixlen 64 scopeid 0x1 > inet 192.168.168.20 netmask 0xffffff00 broadcast 192.168.168.255 > inet 192.168.168.21 netmask 0xffffffff broadcast 192.168.168.21 > inet 192.168.168.22 netmask 0xffffffff broadcast 192.168.168.22 > inet 192.168.168.23 netmask 0xffffffff broadcast 192.168.168.23 > inet 192.168.168.24 netmask 0xffffffff broadcast 192.168.168.24 > nd6 options=3D21 > media: Ethernet autoselect (1000baseT ) > status: active > lo0: flags=3D8049 metric 0 mtu 16384 > options=3D600003 > inet6 ::1 prefixlen 128 > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 > inet 127.0.0.1 netmask 0xff000000 > nd6 options=3D21 > > -- > best regards, > Lukasz Wasikowski You need to first add a single ipv6 address using the ifconfig_em0_ipv6 -syntax. ifconfig_em0_ipv6=3D"2001:6a0:1cb::1/64" And then this should add the rest of the addresses ipv6_addrs_em0=3D"2001:6a0:1cb::2-6/64" It looks like the reason for the difference to ipv4_addrs_IF is that the "alias" parameter for ifconfig(8) operates differently for IPv6 addresses, the first address of an interface can't be added with "alias", for IPv4 it does not care. I'll have to dig deeper but that's what the problem seems to be. -Kimmo