Re: wifi: 88W8801: Newest firmware for sd8801_uapsta.bin bug

[Lukasz Majewski <lukma@denx.de>]

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Hi Thomas,

> Hi Lukasz,
> 
> > Dear Ganapathi and Sharvari
> >   
> > > Dear Ganapathi and Sharvari
> > >   
> > > > Hi Pali,
> > > >     
> > > > > On Saturday 08 May 2021 13:29:11 Pali Rohár wrote:      
> > > > > > + Sharvari and Ganapathi
> > > > > > 
> > > > > > To let you know about this mwifiex firmware issue. Could you
> > > > > > look at it?
> > > > > > 
> > > > > > On Friday 07 May 2021 15:17:02 Lukasz Majewski wrote:
> > > > > >  
> > > > > > > Dear community,
> > > > > > > 
> > > > > > > I would like to report that the version: 14.68.36.p204 of
> > > > > > > sd8801_uapsta.bin binary (newest, SHA1:
> > > > > > > ecdfcf8e2ca15f5682ab94fd30ba29fb869b24a7) has the issue
> > > > > > > with getting channel info (HostCmd_CMD_STA_CONFIGURE
> > > > > > > command execution).
> > > > > > > 
> > > > > > > As a result the module seems to be stuck and no
> > > > > > > transmission is performed.
> > > > > > > 
> > > > > > > The issue is not present in 14.68.36.p146 verson of the
> > > > > > > firmware.     
> > > > > 
> > > > > And FYI, NXP has newer version 14.76.36.p139 of this
> > > > > sd8801_uapsta.bin firmware in their mwifiex-firmware github
> > > > > repository:
> > > > > 
> > > > > https://github.com/NXP/mwifiex-firmware/commit/c38b125a920a695d360b62e8b1f7fb1c4e1afd46
> > > > > 
> > > > > I hope that Sharvari or Ganapathi brings some light in this
> > > > > issue...      
> > > > 
> > > > Thanks for sharing this issue with NXP developers.
> > > >     
> > > > > 
> > > > > Lukasz, meanwhile could you try to check if this new firmware
> > > > > version has this issue fixed?
> > > > >       
> > > > 
> > > > It looks like the issue is still there (even new errors pops up
> > > > when compared to the original one):
> > > > 
> > > > root@mx6ul:~# dmesg|grep sdio
> > > > [   29.025231] mwifiex_sdio mmc0:0001:1: info: FW download over,
> > > > size 262660 bytes [   29.310488] mwifiex_sdio mmc0:0001:1: WLAN
> > > > FW is active [   29.390778] mwifiex_sdio mmc0:0001:1: CMD_RESP:
> > > > cmd 0x242 error, result=0x2 [   29.398245] mwifiex_sdio
> > > > mmc0:0001:1: mwifiex_process_cmdresp: cmd 0x242 failed during
> > > > initialization [   29.707952] mwifiex_sdio mmc0:0001:1: info:
> > > > MWIFIEX VERSION: mwifiex 1.0 (14.76.36.p139) [   29.717360]
> > > > mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
> > > > (14.76.36.p139) 
> > > > 
> > > > root@mx6ul:~# ./tst_sdio.sh 
> > > > + wpa_supplicant -B -i mlan0 -c /etc/wpa_supplicant.conf
> > > > Successfully initialized wpa_supplicant
> > > > + sleep 3
> > > > [  251.425350] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x107
> > > > error, result=0x2
> > > > + udhcpc -i mlan0
> > > > udhcpc: started, v1.31.1
> > > > udhcpc: sending discover
> > > > [  256.476210] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x107
> > > > error, result=0x2 udhcpc: sending discover
> > > > udhcpc: sending discover
> > > > [  261.497057] mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x107
> > > > error, result=0x2 [  261.507859] ieee80211 phy0: sched_scan
> > > > start : n_ssids=1 n_match_sets=1 [  261.515872] ieee80211 phy0:
> > > > n_channels=13 interval=10 ie_len=0
> > > > 
> > > > 
> > > > Please pay attention to the new "cmd 0x107 error, result=0x2"
> > > > issue with this new FW version.    
> > > 
> > > Is there any update on this issue? Ganapathi and Sharvari, have
> > > you managed to make the STA mode working on with the newest FW for
> > > 88W8801 ?  
> > 
> > It looks like there was no update on the linux-firmware repository
> > for sd8801_uapsta.bin binary in the official linux-firmware tree.
> > 
> > I can share that I've tested: 14.68.36.p160 version with mwifiex
> > driver on 5.4.y kernel and the STA mode works.
> > 
> > The used NXP soc is imx6ull, and wi-fi is SDIO connected 88W8801.
> > 
> > However, there is the issue with AP mode. Please find attached logs
> > and reproduction procedure.
> > 
> > Is there any schedule for releasing new FW for this wifi chip?
> >   
> 
> I'm facing similar problems with i.MX8MN EVK and u-blox wireless SDIO
> module with 88W8801 SoC and mwifiex_sdio driver for linux 5.15.28
> kernel. I tried firmware 14.68.36.p204 and 14.68.36.p60. I'm not able
> to establish a WPA protected link using wpa_supplicant.
> 

My impression is that those FWs from mwifiex-firmware repo just don't
work.

> You mentioned that you have tested with 14.68.36.p160 and
> 14.68.36.p146 firmware versions without having issues in STA mode.
> Where did you get these firmware versions?
> 

I think that:
1. 14.68.36.p160 I got from the archive:
SD-UAPSTA-8801-U16-MMC-W14.68.36.p160-C4X14687_R0-MGPL.zip

(I think it has been received by my customer from NXP's FAE).

2. The other one - IIRC I got from NXP's support.nxp.com page when I
filled question regarding this issue.

> I was not able to find them neither in linux-firmware,
> mwifiex-firmware nor imx-firmware repositories.
> 

Maybe NXP could upload one of those to the aforementioned repositories?

Last but not least if you would like to use this chip as AP - 
/usr/sbin/iw phy phy0 interface add uap0 type __ap

otherwise it will not work.

> > > 
> > > Thanks in advance for sharing the knowledge.
> > >   
> > > >     
> > > > > > > For reproduction one needs to execute:
> > > > > > > #! /bin/sh
> > > > > > > set -x
> > > > > > > wpa_supplicant -B -i mlan0 -c /etc/wpa_supplicant.conf
> > > > > > > sleep 3
> > > > > > > dhclient mlan0
> > > > > > > 
> > > > > > > exit 0
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > I'm using the Azurewave AW-NM191NF module (with 88W8801
> > > > > > > SoC).
> > > > > > > 
> > > > > > > Best regards,
> > > > > > > 
> > > > > > > Lukasz Majewski
> > > > > > > 
> > > > > > > --
> > > > > > > 
> > > > > > > DENX Software Engineering GmbH,      Managing Director:
> > > > > > > Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5,
> > > > > > > D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59
> > > > > > > Fax: (+49)-8142-66989-80 Email: lukma@denx.de        
> > > > 
> > > > 
> > > > 
> > > > Best regards,
> > > > 
> > > > Lukasz Majewski
> > > > 
> > > > --
> > > > 
> > > > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194
> > > > Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax:
> > > > (+49)-8142-66989-80 Email: lukma@denx.de    
> > > 
> > > 
> > > 
> > > Best regards,
> > > 
> > > Lukasz Majewski
> > > 
> > > --
> > > 
> > > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194
> > > Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax:
> > > (+49)-8142-66989-80 Email: lukma@denx.de  
> > 
> > 
> > 
> > 
> > Best regards,
> > 
> > Lukasz Majewski
> > 
> > --
> > 
> > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> > Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email:
> > lukma@denx.de  
> 
> Best regards,
> Thomas
> 
> 
> Thomas Schäfer
> SW Design Engineer
> 
> Kontron Europe GmbH
> Heinrich-Barth-Straße 1-1a | 66115 Saarbrücken | Germany
> thomas.schaefer@kontron.com
> 
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> 
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Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de

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