W8997 issue scanning AP 2.4Ghz on channel 12 and 13

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W8997 issue scanning AP 2.4Ghz on channel 12 and 13

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snehal_jadhav
Contributor III

Hello NXP team,


We have integrated the "SD-WLAN-SD-BT-8997-U16-MMC-W16.68.10.p162-16.26.10.p162-C4X16693_V4-MGPL" driver on Android 12 Linux 4.9.178 on our custom platform based on BG5CT. With this updated driver integrated into our image, we were able to connect to both 2.4GHz and 5GHz bands of AP.
However, during our testing of the DUT's connection on all the channels of the 2.4GHz band with WPA2, open, and WPA3 security, we observed that the DUT was unable to scan the AP on channels 12 and 13.

Thanks in advance

Snehal Jadhav

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cdoumenc
NXP Employee
NXP Employee

Hello Snehal Jadhav,

Could you explain, with logs, how you see that "the DUT was unable to scan the AP on channels 12 and 13", please ?

How did you get driver version "SD-WLAN-SD-BT-8997-U16-MMC-W16.68.10.p162-16.26.10.p162-C4X16693_V4-MGPL" ?
It is quite old (oct 21). Could you test with the last version "NXP_L-SD-WLAN-SD-BT-8997-U16-MMC-W16.68.21.p84.6-16.26.21.p84.6-MXM5X16391.p4-MGPL", please ?
You will find it on product page https://www.nxp.com/products/wireless/wi-fi-plus-bluetooth-plus-802-15-4/2-4-5-ghz-dual-band-2x2-wi-...

Here is the direct link : https://www.nxp.com/webapp/sps/download/license.jsp?colCode=WLAN-NXP_W16.68.21.p84.6-MXM5X16391.p4&a...

Regards,

cd

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snehal_jadhav
Contributor III

Hi @cdoumenc ,

Thanks for your response.

When we set our router for 2.4GHz band on channel 12, 13; we observe that we are not able to scan the AP from UI as well as through command line with wpa_cli utility.

the latest public release available on NXP website for sd-wlan-sd-bt W8997 is "SD-WLAN-SD-BT-8997-U16-MMC-W16.68.10.p162-16.26.10.p162-C4X16693_V4-MGPL" thus we ported the same wifi BT driver in our sdk.

"Here is the direct link : https://www.nxp.com/webapp/sps/download/license.jsp?colCode=WLAN-NXP_W16.68.21.p84.6-MXM5X16391.p4&a..."

With above direct download link we are getting below error:

snehal_jadhav_0-1692785093126.png

 

And on W8997 product page on NXP we were unable to see the "NXP_L-SD-WLAN-SD-BT-8997-U16-MMC-W16.68.21.p84.6-16.26.21.p84.6-MXM5X16391.p4-MGPL" driver version.

Thanks in advance

Snehal Jadhav

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cdoumenc
NXP Employee
NXP Employee

Could you send me the link to the page where you found this public link please ?

Could you also request access to secure files on page https://www.nxp.com/support/support/secure-access-rights:SEC-ACCESS please ?

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snehal_jadhav
Contributor III

We have ported Wifi and Bt driver from below link in our android 12 SDK with Linux version 4.9.178 for custom board based of BG5CT :

https://www.nxp.com/webapp/sps/download/license.jsp?colCode=SD-WLAN-SD-BT-8997-U16-MMC-W16-C4X16693_...

We have requested access for W8997 driver version "NXP_L-SD-WLAN-SD-BT-8997-U16-MMC-W16.68.21.p84.6-16.26.21.p84.6-MXM5X16391.p4-MGPL" as you suggested.

 

Thanks
Snehal Jadhav

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