Date: Thu, 11 Aug 2022 16:53:16 +0100 From: Nuno Teixeira <eduardo@freebsd.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: freebsd-wireless@freebsd.org, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: [iwlwifi] ipv6 connection problem Message-ID: <CAFDf7ULG6F3v8=VWaCw8Qe2-iBnctHo1ij2WzFPX034EzXDeXw@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.2208072108480.68830@ai.fobar.qr> References: <CAFDf7ULaHmG-yr7_nbi0rWFD3KbNi237FvfFCJGDdBQV0WTP2A@mail.gmail.com> <alpine.BSF.2.00.2208072108480.68830@ai.fobar.qr>
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Hello Bjoern!
/etc/rc.conf:
---
wlans_iwlwifi0="wlan0"
create_args_wlan0="wlanmode sta regdomain ETSI country PT"
ifconfig_wlan0_ipv6="inet6 accept_rtadv"
ifconfig_wlan0="WPA SYNCDHCP"
rtsold_enable="YES"
---
`ifconfig wlan0`:
---
wlan0: flags=8c43<UP,BROADCAST,RUNNING,OACTIVE,SIMPLEX,MULTICAST> metric 0
mtu 1500
ether 6c:6a:77:df:09:21
inet6 fe80::6e6a:77ff:fedf:921%wlan0 prefixlen 64 scopeid 0x3
groups: wlan
ssid "" channel 6 (2437 MHz 11g)
regdomain ETSI country PT authmode WPA1+WPA2/802.11i privacy MIXED
deftxkey UNDEF txpower 30 bmiss 7 scanvalid 60 protmode CTS wme
roaming MANUAL bintval 0
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier
nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
---
(a) this is unlikely related to IPv6? The only thing that would do
> is pass down more multicast addresses than with just IPv4 (and that's
> after assoc normally). I run some on IPv6-only.
> Let me ask you anyway, so we can be sure. If you remove the IPv6 config,
> does wpa_supplicant associate fine? (could also be a different
> tooling issue).
With ipv4 wireless work ok and wpa_supplicant associate ok.
> (b) does `ifconfig wlan0 list scan` show your AP when it doesn't?
> If it doesn't that is more likely the problem. And that remains a problem
> for some conditions I am also facing. More on 11a than 11g.
`ifconfig wlan0 list scan`:
---
SSID/MESH ID BSSID CHAN RATE S:N
INT CAPS
MEO-3637C0 00:06:91:36:37:c0 11 54M -53:-96
100 EP RSN BSSLOAD HTCAP WPS WME
MEO-WiFi 00:06:91:36:37:c2 11 54M -53:-96
100 E BSSLOAD HTCAP WME
MEO-3637C0 00:06:91:36:37:c1 60 54M -61:-96
100 EP RSN BSSLOAD HTCAP VHTCAP VHTOPMODE VHTPWRENV WPS WME
MEO-WiFi 00:06:91:36:37:c6 60 54M -60:-96
100 E BSSLOAD HTCAP VHTCAP VHTOPMODE VHTPWRENV WME
---
(c) Then the question is if wpa_supplicant blacklists the network;
> `wpa_cli blacklist` would show. If it does try the following sequence
> to make it try more often:
> CMD=wpa_cli
> SSID=<your ssid>
> ${CMD} blacklist clear
> ${CMD} disable ${SSID}
> ${CMD} enable ${SSID}
> ${CMD} list_networks
>
`wpa_cli blacklist`:
---
Failed to connect to non-global ctrl_ifname: (nil) error: Inappropriate
ioctl for device
---
> (d) given you didn't say, what does `freebsd-version -r -u`
> say, just to rule out you are missing the latest wpa fixes.
>
`freebsd-version -r -u`:
---
14.0-CURRENT
14.0-CURRENT
---
@1ffd352bc25b
(e) what you can do is enable more wpa_supplicant logging; I often use
> wpa_supplicant_flags="-sdd" in /etc/rc.conf which will log to syslog
> instead
> of the debug file but it'll increase debugging a lot (and warning, it
> may also log keying material).
>
Ok.
Cheers,
--
Nuno Teixeira
FreeBSD Committer (ports)
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<div dir=3D"ltr"><div><div>Hello Bjoern!</div><div><br></div><div>/etc/rc.c=
onf:</div><div>---</div><div>wlans_iwlwifi0=3D"wlan0"<br>create_a=
rgs_wlan0=3D"wlanmode sta regdomain ETSI country PT"<br>ifconfig_=
wlan0_ipv6=3D"inet6 accept_rtadv"<br>ifconfig_wlan0=3D"WPA S=
YNCDHCP"<br>rtsold_enable=3D"YES"</div><div>---<br></div><di=
v><br></div><div>`ifconfig wlan0`:</div><div>---</div><div>wlan0: flags=3D8=
c43<UP,BROADCAST,RUNNING,OACTIVE,SIMPLEX,MULTICAST> metric 0 mtu 1500=
<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 ether 6c:6a:77:df:09:21<br>=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 inet6 fe80::6e6a:77ff:fedf:921%wlan0 prefixlen 64 scopeid 0x3=
<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 groups: wlan<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0=
ssid "" channel 6 (2437 MHz 11g)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =
regdomain ETSI country PT authmode WPA1+WPA2/802.11i privacy MIXED<br>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 deftxkey UNDEF txpower 30 bmiss 7 scanvalid 60 pro=
tmode CTS wme<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 roaming MANUAL bintval 0<br>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 parent interface: iwlwifi0<br>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)<br>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 status: no carrier<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 nd6 options=3D23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL></div><di=
v>---<br></div><div><br></div><div class=3D"gmail_quote"><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">
(a) this is unlikely related to IPv6?=C2=A0 The only thing that would do<br=
>
is pass down more multicast addresses than with just IPv4 (and that's<b=
r>
after assoc normally).=C2=A0 I run some on IPv6-only.<br>
Let me ask you anyway, so we can be sure.=C2=A0 If you remove the IPv6 conf=
ig,<br>
does wpa_supplicant associate fine?=C2=A0 (could also be a different<br>
tooling issue).</blockquote><div><br></div><div>With ipv4 wireless work ok =
and wpa_supplicant associate ok.<br></div><div>=C2=A0</div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex">
(b) does `ifconfig wlan0 list scan` show your AP when it doesn't?<br>
If it doesn't that is more likely the problem.=C2=A0 And that remains a=
problem<br>
for some conditions I am also facing.=C2=A0 More on 11a than 11g.</blockquo=
te><div>=C2=A0</div><div>`ifconfig wlan0 list scan`:</div><div>---</div><di=
v>SSID/MESH ID =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0BSSID =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0CHAN=
RATE =C2=A0 =C2=A0S:N =C2=A0 =C2=A0 INT CAPS<br>MEO-3637C0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A000:06:=
91:36:37:c0 =C2=A0 11 =C2=A0 54M =C2=A0-53:-96 =C2=A0 100 EP =C2=A0 RSN BSS=
LOAD HTCAP WPS WME<br>MEO-WiFi =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A000:06:91:36:37:c2 =C2=A0 11=
=C2=A0 54M =C2=A0-53:-96 =C2=A0 100 E =C2=A0 =C2=A0BSSLOAD HTCAP WME<br>ME=
O-3637C0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A000:06:91:36:37:c1 =C2=A0 60 =C2=A0 54M =C2=A0-61:-96 =C2=
=A0 100 EP =C2=A0 RSN BSSLOAD HTCAP VHTCAP VHTOPMODE VHTPWRENV WPS WME<br>M=
EO-WiFi =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A000:06:91:36:37:c6 =C2=A0 60 =C2=A0 54M =C2=A0-60:-9=
6 =C2=A0 100 E =C2=A0 =C2=A0BSSLOAD HTCAP VHTCAP VHTOPMODE VHTPWRENV WME</d=
iv><div>---<br></div><div><br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex">
(c) Then the question is if wpa_supplicant blacklists the network;<br>
`wpa_cli blacklist` would show.=C2=A0 If it does try the following sequence=
<br>
to make it try more often:<br>
CMD=3Dwpa_cli<br>
SSID=3D<your ssid><br>
${CMD} blacklist clear<br>
${CMD} disable ${SSID}<br>
${CMD} enable ${SSID}<br>
${CMD} list_networks<br></blockquote><div><br></div><div>`wpa_cli blacklist=
`:</div><div>---</div><div>Failed to connect to non-global ctrl_ifname: (ni=
l) =C2=A0error: Inappropriate ioctl for device</div><div>---<br></div><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
(d) given you didn't say, what does `freebsd-version -r -u`<br>
say, just to rule out you are missing the latest wpa fixes.<br></blockquote=
><div><br></div><div>=C2=A0`freebsd-version -r -u`:</div><div>---</div><div=
>14.0-CURRENT<br>14.0-CURRENT</div><div>---<br></div><div>@1ffd352bc25b<br>=
</div><div><br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
(e) what you can do is enable more wpa_supplicant logging; I often use<br>
wpa_supplicant_flags=3D"-sdd"=C2=A0 in /etc/rc.conf which will lo=
g to syslog instead<br>
of the debug file but it'll increase debugging a lot (and warning, it<b=
r>
may also log keying material).<br></blockquote><div><br></div><div>Ok.</div=
><div><br></div></div></div>Cheers,<br><div>-- <br><div dir=3D"ltr" class=
=3D"gmail_signature"><div dir=3D"ltr"><span style=3D"color:rgb(102,102,102)=
">Nuno Teixeira<br>FreeBSD Committer (ports)</span></div></div></div></div>
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