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This step by step guide provides detailed instructions to assist the RDK-B community in porting the OneWiFi OneWifi component to the Raspberry Pi 4 RPi4 reference platform

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Dependencies to build 

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OneWifi

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Target Platform: MediaTek platform (using Raspberry Pi RPi4 as a reference)

Platform Layer: Create a platform layer for MediaTek, using Raspberry Pi RPi4 as the reference.

Code References

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OneWifi Process Bringup Patches 

Manifest entries

OneWiFi OneWifi component entry: OneWiFi onewifi manifest

HAL component entry: rdk-wifi-hal manifest 

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1. meta-raspberrypi or meta-cmf-soc-<soc_name>
   • Firmware/drivers/kernel to be available
   • For proposing a new component, please create a bb file here
2. meta-cmf-raspberrypi or meta-cmf-<platform_name>
   • RDK-B specific changes to the SOC platform
   • All changes that need to be done for the primary recipe are handled in the form of bbappend
   • Patches: Patches are recommended if the changes are very specific and tied with SOC platform code
3. meta-cmf-broadband
   • RDK-B changes common to all RDK-B community members.
   • All changes that need to be done for the primary recipe are handled in the form of bbappend
   • Patches: Patches are recommended if the changes are very specific and tied with SOC platform code
   • Note: All existing reference patches in Raspberry pi RPi4 may not be applicable for real targets, Because of hardware limitation & functionality limitation we have added patches.

Bug Fixes or Feature Enhancements

Generic Bug Fixes:
Any bug fixes or feature enhancements that are generic enough should be committed to the OneWiFi OneWifi generic repository.

Flags defined in

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OneWifi

Platform-Specific Flags:

Raspberry Pi RPi4 has certain limitations related to driver support and end-to-end functionality for OneWiFiOneWifi. To manage these limitations, a flag _PLATFORM_RASPBERRYPI_ has been introduced to enable conditional compilation.

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For bulk atomic HAL APIs related to common configuration, refer to the HAL APIs documentation .

Stats Implementation

• Vendor-Specific Implementation:
  Stats implementation is vendor-specific. The implementation from the device-specific HAL can be used. Refer to

  Jira
  server JIRA - 2 serverId 11deff04-0380-3a3d-a916-0849d4e573f7 key REFPLTB-2510

  for more details details. 

Wi-Fi database

Database File:

rdkb-wifi.db

64-bit build support:

CurrentlyAt present, Comcast does not support for 64-bit platforms is limited. However, the RDK team supports provides support for 64-bit builds for Raspberry Pi 4 platforms, where OneWiFi has been fully supported. Numerous on RPi4 platforms, with full integration of OneWifi. Many alignment issues and warnings that were previously treated as errors have been addressed resolved in this support.

Difference Between CcspWifiAgent and

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OneWifi Apply settings

CcspWifiAgent:

dmcli eRT setv Device.WiFi.Radio.2.X_CISCO_COM_ApplySetting bool true
dmcli eRT setv Device.WiFi.Radio.1.X_CISCO_COM_ApplySetting bool true

OneWiFiOneWifi:

#Any dmcli commands specific to SSID and AccessPoint execute the Below Access Point Related apply settings
dmcli eRT setv Device.WiFi.ApplyAccessPointSettings bool true
 
#Any dmcli executions specific to Radio level use the below Radio apply settings command
dmcli eRT setv Device.WiFi.ApplyRadioSettings bool true

Debugging Tips

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Below

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is the list of logs present in /rdklogs/logs for Debugging

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OneWifi issues. For Additional in-depth Debugging one should enable below commands

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:

• touch /nvram/wifiMgrDbg
• touch /nvram/wifiDbDbg
• touch /nvram/wifiWebConfigDbg
• touch /nvram/wifiHalDbg
• touch /nvram/wifiCtrlDbg
• touch /nvram/wifiMonDbg
• touch /nvram/wifiDMCLI
• touch /nvram/wifiLib
• touch /nvram/wifiLibhostapDbg

check for the respective logs in /tmp

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:

• tail -f wifiCtrl &
• tail -f wifiHal &
• tail -f wifiMgr &
• tail -f wifiDMCLI &
• tail -f wifiDb &
• tail -f wifiWebConfig &
• tail -f wifilibhostap &

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Wi-Fi 7 segment

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Initial

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headers are available

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in this commit.

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The following features will be supported by

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OneWifi as part of Wi-Fi 7, which includes changes in

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OneWifi, rdk-wifi-hal

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and libhostap (for Wi-Fi 7 we use libhostap 2.11 version):

1. 320 MHZ
2. 4kQAM
3. MLO

Additional References

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For more info refer Porting Guide - OneWifi