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List: busybox
Subject: Re: [PATCH v2] - Add support for link without MAC (like PPPoE/PPPoA)
From: 蔡崴丞 <danny () saru ! moe>
Date: 2018-01-24 15:59:41
Message-ID: CAE6-apd8VmuUN2fqiRKKdCy=xv3QyH-L48x3CkOm8d+Y5vhRCQ () mail ! gmail ! com
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Thanks. It works now.
Denys Vlasenko <vda.linux@googlemail.com> =E6=96=BC 2018=E5=B9=B41=E6=9C=88=
23=E6=97=A5 =E9=80=B1=E4=BA=8C =E4=B8=8B=E5=8D=8811:47=E5=AF=AB=E9=81=93=EF=
=BC=9A
> Added a fix for that, please test.
>
> On Sat, Jan 20, 2018 at 1:06 PM, =E8=94=A1=E5=B4=B4=E4=B8=9E <danny@saru.=
moe> wrote:
> > Unfortunately, it doesn't work.
> >
> > I'll get NAK response from my ISP because of client id difference betwe=
en
> > dhcp6 solicit and dhcp6 request.
> >
> > The random mac address should keep the same across dhcp session.
> >
> > Maybe we can derive pseudo mac address from ipv6 local link address?
> >
> > Denys Vlasenko <vda.linux@googlemail.com> =E6=96=BC 2018=E5=B9=B41=E6=
=9C=8820=E6=97=A5 =E9=80=B1=E5=85=AD =E4=B8=8A=E5=8D=881:45=E5=AF=AB=E9=81=
=93=EF=BC=9A
> >>
> >> On Thu, Jan 18, 2018 at 5:08 PM, =E8=94=A1=E5=B4=B4=E4=B8=9E <danny@sa=
ru.moe> wrote:
> >> > Since d6_read_interface relies on AF_PACKET (only exists when mac
> >> > address
> >> > exists) for getting ifindex, dhcpc6 can't get ifindex on link withou=
t
> >> > mac
> >> > address (like PPPoE.)
> >> > This patch fallbacks to ioctl SIOCGIFINDEX call for getting ifindex.
> >> > Also, this patch generates random client id when there is no mac
> >> > address.
> >>
> >> Applied to git with some edits, please pull and let me know whether it
> >> works.
> >
> >
> > _______________________________________________
> > busybox mailing list
> > busybox@busybox.net
> > http://lists.busybox.net/mailman/listinfo/busybox
> >
>
[Attachment #5 (text/html)]
<div dir="ltr">Thanks. It works now.<br><br><div class="gmail_quote"><div \
dir="ltr">Denys Vlasenko <<a \
href="mailto:vda.linux@googlemail.com">vda.linux@googlemail.com</a>> 於 \
2018年1月23日 週二 下午11:47寫道：<br></div><blockquote class="gmail_quote" \
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Added a fix for \
that, please test.<br> <br>
On Sat, Jan 20, 2018 at 1:06 PM, 蔡崴丞 <danny@saru.moe> wrote:<br>
> Unfortunately, it doesn't work.<br>
><br>
> I'll get NAK response from my ISP because of client id difference \
between<br> > dhcp6 solicit and dhcp6 request.<br>
><br>
> The random mac address should keep the same across dhcp session.<br>
><br>
> Maybe we can derive pseudo mac address from ipv6 local link address?<br>
><br>
> Denys Vlasenko <<a href="mailto:vda.linux@googlemail.com" \
target="_blank">vda.linux@googlemail.com</a>> 於 2018年1月20日 週六 \
上午1:45寫道：<br> >><br>
>> On Thu, Jan 18, 2018 at 5:08 PM, 蔡崴丞 <danny@saru.moe> wrote:<br>
>> > Since d6_read_interface relies on AF_PACKET (only exists when mac<br>
>> > address<br>
>> > exists) for getting ifindex, dhcpc6 can't get ifindex on link \
without<br> >> > mac<br>
>> > address (like PPPoE.)<br>
>> > This patch fallbacks to ioctl SIOCGIFINDEX call for getting \
ifindex.<br> >> > Also, this patch generates random client id when there is \
no mac<br> >> > address.<br>
>><br>
>> Applied to git with some edits, please pull and let me know whether it<br>
>> works.<br>
><br>
><br>
> _______________________________________________<br>
> busybox mailing list<br>
> <a href="mailto:busybox@busybox.net" target="_blank">busybox@busybox.net</a><br>
> <a href="http://lists.busybox.net/mailman/listinfo/busybox" rel="noreferrer" \
target="_blank">http://lists.busybox.net/mailman/listinfo/busybox</a><br> ><br>
</blockquote></div></div>
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