topic Re: JODY-W2 Disable 80211N/HT40 in Wi-Fi® + Bluetooth® + 802.15.4

topic Re: JODY-W2 Disable 80211N/HT40 in Wi-Fi® + Bluetooth® + 802.15.4 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009825#M3397 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Yes, in our newer releases on github, there is no Wi-Fi tools(mlanutl/uaputl) source code.</P> <P>That is why I mentioned that for these tools, you can ask our module partner U-Blox for help.</P> <P>Otherwise, you need to sign NDA with our NXP and also apply for secure files access specially for 88W8987. It might need long time for you. I think asking help from U-Blox is much more convenient to get these tools.</P> <P> </P> <P>Best regards,</P> <P>Christine.</P> Mon, 09 Dec 2024 08:15:00 GMT Christine_Li 2024-12-09T08:15:00Z JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2007838#M3388 <P>Good day!</P><P> </P><P>I am currently tasked to check a device with below configuration.</P><P><STRONG>[Software Configuration]</STRONG></P><P>Kernel: 6.2.0</P><P>Yocto: TDX Wayland</P><P> </P><P><STRONG>[Hardware Configuration]</STRONG></P><P>SOM: Toradex i.MX6ULL Colibri</P><P>WiFi: UBLOX JODY-W2 SD8987 (STA+uAP mode)</P><P><BR /><BR /><STRONG>[Problem]</STRONG></P><P>When the device is connected to a mobile router with HT40 support, Wi-Fi scan messages are shown on the terminal endlessly even after the device had already connected to the mobile router.</P><P> </P><P>Since the phenomenon only occurs when it is connected to a mobile router that supports HT40, I have tried below countermeasures to disable IEEE80211n and/or HT40 feature on the user space level but failed - see error messages in <EM><FONT color="#FF0000">red italic text</FONT></EM>.</P><P>1. Added "ht_capab" network field on wpa_supplicant.conf.<BR /><SPAN>    <FONT color="#FF0000"><EM>wpa_supplicant[754]: </EM></FONT></SPAN><FONT color="#FF0000"><EM>Line 10: unknown network field 'ht_capab'.</EM></FONT></P><P>2. Added "ieee80211n" network field on wpa_supplicant.conf.<BR /><SPAN>    <FONT color="#FF0000"><EM>wpa_supplicant[754]: </EM></FONT></SPAN><FONT color="#FF0000"><EM>Line 10: unknown network field 'ieee80211'.</EM></FONT></P><P>3. Force WiFi station to use HT20 via command: "iw dev mlan0 set channel 2 HT20"<BR /><SPAN>    <EM><FONT color="#FF0000">command failed: Device or resource busy (-16)</FONT></EM></SPAN><BR /><BR /></P><P>I am now trying to add driver parameters on "/etc/modprobe.d/jody-w2-module.conf" and/or "/etc/modprobe.d/mwifiex.conf" but don't know which parameters correspond to ieee80211n and ht40. The parameters are listed on this <A href="https://github.com/nxp-imx/mwifiex/blob/a84df583155bad2a396a937056805550bdf655ab/mxm_wifiex/wlan_src/README" target="_self">link</A>.</P><P> </P><P>Does anyone know those driver parameters and what values need to be set to disable IEEE80211N or HT40 on the user space level?</P><P> </P><P>Regards,</P><P>Elton</P> Thu, 05 Dec 2024 06:51:46 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2007838#M3388 elton 2024-12-05T06:51:46Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2007955#M3389 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Thanks for creating case to us.</P> <P>To <SPAN>disable IEEE80211N or HT40, you can use our mlanutl to configure httxcfg or htcapinfo to implement it.</SPAN></P> <P><SPAN>I know you might not have secure files access to get our mlanutl tool, but y</SPAN><SPAN>ou can ask our module partner U-Blox for help about how to use mlanutl. </SPAN></P> <P><SPAN>For our company's confidential policy, I could not post it on the public community, sorry for the inconvenience to you.</SPAN></P> <P><SPAN>Best regards,</SPAN></P> <P><SPAN>Christine.</SPAN></P> Thu, 05 Dec 2024 08:31:59 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2007955#M3389 Christine_Li 2024-12-05T08:31:59Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2008630#M3390 <P>Hello <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/205377">@Christine_Li</a> ,</P><P> </P><P>Thanks for your prompt response.</P><P> </P><BLOCKQUOTE><P><SPAN>To </SPAN><SPAN>disable IEEE80211N or HT40, you can use our mlanutl to configure httxcfg or htcapinfo to implement it.</SPAN></P></BLOCKQUOTE><P>I found the README file containing instructions on how to use mlanutl to configure httxcfg and htcapinfo. <SPAN>However, mlanutl tool is not deployed in the userspace.</SPAN></P><P> </P><P>Is there any other way to do the same in userspace without using mlanutl - i.e. via driver parameters(modprobe)?  If not, I am thinking to disable it during driver compilation, this is possible right? I'm currently setting up my Yocto environment, so I haven't tried it yet. </P><P> </P><P> </P><P>Regards,</P><P>Elton</P> Fri, 06 Dec 2024 01:23:12 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2008630#M3390 elton 2024-12-06T01:23:12Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2008999#M3391 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Thanks for your reply.</P> <P>If you want to disable HT40 in wpa_supplicant.conf, please try to add below para to have a try:</P> <P><SPAN class="com"><STRONG>disable_ht40 =1</STRONG></SPAN></P> <P> </P> <TABLE class="FileContents"> <TBODY> <TR class="u-pre u-monospace FileContents-line"> <TD class="FileContents-lineContents"><SPAN class="com"># <STRONG>disable_ht40</STRONG>: Whether HT-40 (802.11n) should be disabled.</SPAN></TD> </TR> <TR class="u-pre u-monospace FileContents-line"> <TD class="u-lineNum u-noSelect FileContents-lineNum" data-line-number="1645"> </TD> <TD class="FileContents-lineContents"><SPAN class="com"># 0 = HT-40 enabled (if AP supports it)</SPAN></TD> </TR> <TR class="u-pre u-monospace FileContents-line"> <TD class="u-lineNum u-noSelect FileContents-lineNum" data-line-number="1646"> </TD> <TD class="FileContents-lineContents"><STRONG><SPAN class="com"># 1 = HT-40 disabled</SPAN></STRONG></TD> </TR> </TBODY> </TABLE> <P> </P> <P>The original info is from below link for your reference.</P> <P><A href="https://android.googlesource.com/platform/external/wpa_supplicant_8/+/master/wpa_supplicant/wpa_supplicant.conf" target="_blank">https://android.googlesource.com/platform/external/wpa_supplicant_8/+/master/wpa_supplicant/wpa_supplicant.conf</A></P> <P> </P> <P>Best regards,</P> <P>Christine.</P> Fri, 06 Dec 2024 09:15:12 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2008999#M3391 Christine_Li 2024-12-06T09:15:12Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009582#M3392 <P>Hello <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/205377">@Christine_Li</a> ,</P><P> </P><P>Thanks for your response.</P><P> </P><P>I forgot to mention that I have already tried adding "disable_ht40=1" and "disable_ht=1" as global/network field but the same error, "<FONT color="#FF0000"><EM>unknown global/network field</EM></FONT>", occured.</P><P> </P><P>Regards,</P><P>Elton </P> Mon, 09 Dec 2024 00:48:29 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009582#M3392 elton 2024-12-09T00:48:29Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009608#M3393 <P>Hello <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/205377">@Christine_Li</a> ,</P><P> </P><P>Regarding mlanutl, we are using the driver version <A href="https://github.com/nxp-imx/mwifiex/tree/lf-6.1.22_2.0.0" target="_self">lf-6.1.22_2.0.0</A> where mapp source codes are deleted, please check <A href="https://github.com/nxp-imx/mwifiex/commit/5a38226a471d0bd0799e8957cb1a4276b58467d1#diff-6b4bf461b101bad4496f96eab9d219a1feac7aed05e50bee853189db9ca15e0cR630" target="_self">this</A> commit. mapp source code exists on driver version <A href="https://github.com/nxp-imx/mwifiex/tree/lf-5.10.y_1.0.0" target="_self">lf-5.10.y_1.0.0</A>.</P><P> </P><P>Regards,</P><P>Elton</P> Mon, 09 Dec 2024 01:52:59 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009608#M3393 elton 2024-12-09T01:52:59Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009625#M3394 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Thanks for your feedback.</P> <P>Did you mean you <SPAN> tried adding "disable_ht40=1" and "disable_ht=1"  to wpa_supplicant.conf file?</SPAN></P> <P><SPAN>Can you please share to me your wpa_supplicant.conf to check further?</SPAN></P> <P><SPAN>Best regards,</SPAN></P> <P><SPAN>Christine.</SPAN></P> Mon, 09 Dec 2024 02:19:22 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009625#M3394 Christine_Li 2024-12-09T02:19:22Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009637#M3395 <P>Hello <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/205377">@Christine_Li</a> ,</P><P> </P><P>Yes. I added "disable_ht40=1" and tested,  unknown network field error occurred. Then I replaced  "disable_ht40=1" with "disable_ht=1" and tested,  unknown network field error also occurred.</P><P> </P><P>Below are the contents of my wpa_supplicant.conf file.</P><BLOCKQUOTE><P>ctrl_interface=/var/run/wpa_supplicant<BR />ctrl_interface_group=0<BR />update_config=1<BR />bgscan=""</P><P>network={<BR />        ssid="Elton-Laptop"<BR />        psk="11223344"<BR />        key_mgmt=WPA-PSK<BR />        #ieee80211n=0<BR />        #ht_capab="[HT20][SHORT-GI-20]"<BR />        #disable_ht=1<BR />        <FONT color="#FF0000">disable_ht40=1</FONT><BR />}</P></BLOCKQUOTE><P> </P><P>Below are the error messages of wpa_supplicant:</P><BLOCKQUOTE><P>Dec 09 09:50:26 colibri-imx6ull-15102395 systemd[1]: Started WPA supplicant.<BR />Dec 09 09:50:26 colibri-imx6ull-15102395 wpa_supplicant[1152]: Successfully initialized wpa_supplicant<BR /><FONT color="#FF0000">Dec 09 09:50:26 colibri-imx6ull-15102395 wpa_supplicant[1152]: Line 13: unknown network field 'disable_ht40'.</FONT><BR /><FONT color="#FF0000">Dec 09 09:50:27 colibri-imx6ull-15102395 wpa_supplicant[1152]: Line 14: failed to parse network block.</FONT><BR />Dec 09 09:50:27 colibri-imx6ull-15102395 wpa_supplicant[1152]: Failed to read or parse configuration '/etc/wpa_supplicant.conf'.<BR />Dec 09 09:50:27 colibri-imx6ull-15102395 wpa_supplicant[1152]: : CTRL-EVENT-DSCP-POLICY clear_all<BR />Dec 09 09:50:27 colibri-imx6ull-15102395 systemd[1]: wpa_supplicant.service: Main process exited, code=exited, status=255/EXCEPTION<BR />Dec 09 09:50:27 colibri-imx6ull-15102395 systemd[1]: wpa_supplicant.service: Failed with result 'exit-code'.</P></BLOCKQUOTE><P> </P><P>Regards,</P><P>Elton</P> Mon, 09 Dec 2024 02:42:37 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009637#M3395 elton 2024-12-09T02:42:37Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009822#M3396 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Thanks for your feedback.</P> <P>I tried on my side and met same error with yours.</P> <P>Please see below for my logs:</P> <P>==========</P> <LI-CODE lang="markup">root@imx8mnevk:~# wpa_supplicant -d -B -i mlan0 -c /etc/wpa_supplicant.conf -Dnl80211 wpa_supplicant v2.10 random: Trying to read entropy from /dev/random Successfully initialized wpa_supplicant Initializing interface 'mlan0' conf '/etc/wpa_supplicant.conf' driver 'nl80211' ctrl_interface 'N/A' bridge 'N/A' Configuration file '/etc/wpa_supplicant.conf' -> '/etc/wpa_supplicant.conf' Reading configuration file '/etc/wpa_supplicant.conf' ctrl_interface='/var/run/wpa_supplicant' ctrl_interface_group='0' update_config=1 Line 10: unknown network field 'disable_ht40'. Line 11: failed to parse network block. Failed to read or parse configuration '/etc/wpa_supplicant.conf'. Failed to add interface mlan0 </LI-CODE> <P> </P> <P>Then I tried to find any commands related to wpa_supplicant to disable ht40, but found below reply in one of our previous customer's case:</P> <LI-CODE lang="markup">We can not handle bandwidth using wpa_supplicant. Based on AP it will connect and select the bandwidth based on its ability.</LI-CODE> <P> </P> <P>You can try to disable it on your AP side to see whether is OK.</P> <P>Otherwise, we suggest you to use our mlanutl to configure it.</P> <P>I am sorry for the inconvenience to you.</P> <P> </P> <P>Best regards,</P> <P>Christine.</P> Mon, 09 Dec 2024 08:08:55 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009822#M3396 Christine_Li 2024-12-09T08:08:55Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009825#M3397 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Yes, in our newer releases on github, there is no Wi-Fi tools(mlanutl/uaputl) source code.</P> <P>That is why I mentioned that for these tools, you can ask our module partner U-Blox for help.</P> <P>Otherwise, you need to sign NDA with our NXP and also apply for secure files access specially for 88W8987. It might need long time for you. I think asking help from U-Blox is much more convenient to get these tools.</P> <P> </P> <P>Best regards,</P> <P>Christine.</P> Mon, 09 Dec 2024 08:15:00 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009825#M3397 Christine_Li 2024-12-09T08:15:00Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009832#M3398 <P>Hello <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/205377">@Christine_Li</a> ,</P><P> </P><P>Thanks for verifying it on your side.</P><P> </P><P>I marked using mlanutl as the solution. I will try to cross-compile the tool and update you about the results.</P><P> </P><P>Regards,</P><P>Elton</P> Mon, 09 Dec 2024 08:19:57 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009832#M3398 elton 2024-12-09T08:19:57Z Re: JODY-W2 Disable 80211N/HT40 https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009857#M3399 <P>Hi, <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/244225">@elton</a> </P> <P>Thanks for marking my answer as a solution.</P> <P>Please do not hesitate to create a new case after you verified and still have any issue.</P> <P>Have a nice reset of your day!</P> <P> </P> <P>Best regards,</P> <P>Christine.</P> Mon, 09 Dec 2024 08:40:45 GMT https://community.nxp.com/t5/Wi-Fi-Bluetooth-802-15-4/JODY-W2-Disable-80211N-HT40/m-p/2009857#M3399 Christine_Li 2024-12-09T08:40:45Z