RE: Difficulty connecting to AP using rtw89

[Pkshih <pkshih@realtek.com>]

> -----Original Message-----
> From: Pkshih [mailto:pkshih@realtek.com]
> Sent: Monday, August 09, 2021 1:52 PM
> To: Jan Reusch; linux-wireless@vger.kernel.org
> Subject: RE: Difficulty connecting to AP using rtw89
> 
> > -----Original Message-----
> > From: Jan Reusch [mailto:jan@jreusch.de]
> > Sent: Saturday, August 07, 2021 4:19 AM
> > To: linux-wireless@vger.kernel.org; Pkshih
> > Subject: RE: Difficulty connecting to AP using rtw89
> >
> > Hey hey
> > Hope this works and gets sorted right, i had to manually set the
> > in-reply-to header.
> >
> > I'm one of the people having problems with ipv6 and the rtw89 driver.
> > i've tested it with the debian bullseye kernel and vanilla 5.13 from
> > kernel.org
> >
> > It's about a Realtek 8852 in a Thinkpad E14 Gen2 (amd).
> >
> > > > The driver handles L2 things only, but IPv6 that is L3 that we don't
> > > > have special deal.
> > > > Could I know the problem you met?
> >
> > Yep that was also my first reaction 1:1, but it's 100% repdoducible.
> > Ethernet connection works, i get an v4 adress and an v6 one (SLAAC), it
> > works flawlessly with an USB wifi stick, but the integrated wifi only
> > gets the link local ipv6 address,  an ipv4 one but nothing more.
> > I've tried to dump router advertisements, but none of them pop up. (As
> > soon as i attach the ethernet cable/usb wifi stick they're there...)
> 
> Could you provide your dump of USB wifi stick and rtw89?
> If possible, I'd like to have tcpdump of interfaces locally and sniffer
> packets in the air. Then, I can check the good and bad cases, and check
> if any transmitting data is eaten by rtw89.
> 

With Jan's help, we get this fixed.
This fix will be included in next submission recently. If people want this
fix right now, please checkout Larry's GitHub https://github.com/lwfinger/rtw89

Ping-Ke