Re: ipv6_addrs_IF aliases in rc.conf(5)

W dniu 2012-12-21 13:23, Kimmo Paasiala pisze:
> On Fri, Dec 21, 2012 at 5:43 AM, Kimmo Paasiala <kpaasial_at_gmail.com> wrote:
>> On Thu, Dec 20, 2012 at 3:27 PM, Jilles Tjoelker <jilles_at_stack.nl> wrote:
>>> 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="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=174225) 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_at_freebsd:~ # uname -a
FreeBSD freebsd 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #1 r244567: Fri
Dec 21 23:57:28 CET 2012     root_at_freebsd:/usr/obj/usr/src/sys/GENERIC
amd64

root_at_freebsd:~ # grep -Ev '^[[:space:]]*#|^$' /etc/rc.conf
hostname="freebsd"
ifconfig_em0="up"
ipv4_addrs_em0="192.168.168.20-24/24"
defaultrouter="192.168.168.1"
ipv6_activate_all_interfaces="YES"
ipv6_addrs_em0="2001:6a0:1cb::1-6/64"
ipv6_defaultrouter="2001:6a0:1cb::ffff"
sshd_enable="YES"
dumpdev="NO"
named_enable="YES"

root_at_freebsd:~ # ifconfig
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
        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=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        inet 127.0.0.1 netmask 0xff000000
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>

-- 
best regards,
Lukasz Wasikowski