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Porting onewifi on RPI:
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This step by step guide provides detailed instructions to assist the RDK-B community
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in porting the OneWifi component to the RPi4 reference platform
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It is recommended to use the rdkb-2023q2-dunfell release as the base for porting OneWifi, and to integrate this release on top of the System-on-Chip (SoC) SDK. However, the documentation is applicable to Kirkstone release too |
Architectural details
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RDK-B Layers:
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Integration segments:
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Dependencies to build OneWifi
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Change details
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Systemd Service
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File
onewifi.service
Platform Layer
Target Platform: MediaTek platform (using RPi4 as a reference)
Platform Layer: Create a platform layer for
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Manifest entries:
Onewifi component entry in manifest file (OneWifi) and rdk-wifi-hal component entry in manifest (rdk-wifi-hal)
Layers to consider:
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MediaTek, using RPi4 as the reference.
Code References
OneWifi Process Bringup Patches
Manifest entries
OneWifi component entry: onewifi manifest
HAL component entry: rdk-wifi-hal manifest
Layers to Consider
- meta-raspberrypi or meta-cmf-soc-<soc
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- _name>
- Firmware/drivers/kernel to be available
- For proposing a new component, please create a bb file here
- meta-cmf-raspberrypi
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- or meta-cmf-
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- <platform_name>
- RDK-B specific changes to
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- 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
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- meta-cmf-broadband
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- RDK-B changes
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- common
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- 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
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- Note: All existing reference patches in
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- RPi4 may not be applicable for real targets, Because of hardware limitation & functionality limitation we have added patches.
Bug
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Fixes or Feature Enhancements
Generic Bug Fixes:
Any bug fixes or feature enhancements that are generic enough should
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be committed to the OneWifi generic
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repository.
Flags defined in
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OneWifi
Platform-Specific Flags:
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RPi4 has certain limitations
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related to driver
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support and end-to-end
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functionality for OneWifi. To manage these limitations, a flag _PLATFORM_RASPBERRYPI_
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has been introduced to enable conditional compilation.
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- Note: This flag is not needed for real targets.
HAL APIs
Bulk Atomic HAL APIs:
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For bulk atomic HAL
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APIs related to common configuration, refer to the HAL APIs documentation.
Stats
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Implementation
- Vendor-Specific Implementation:
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- Stats implementation is vendor-specific.
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- The implementation from the device-specific HAL
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- can be used. Refer to
Jira server JIRA - 2 serverId 11deff04-0380-3a3d-a916-0849d4e573f7 key REFPLTB-2510
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- for more details.
Wi-Fi database
Database File
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rdkb-wifi.db64-bit build support:
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At present, support for 64-bit platforms is limited. However, the RDK team provides support for 64-bit builds on RPi4 platforms, with full integration of OneWifi. Many alignment issues and warnings that were previously treated as errors have been resolved in this support.
Difference Between CcspWifiAgent and
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OneWifi Apply settings
CcspWifiAgent:
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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 |
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OneWifi:
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#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
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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.
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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 &
Wi-Fi 7 segment
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Initial
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headers are available in this commit. 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):
- 320 MHZ
- 4kQAM
- MLO
Additional References
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For more info
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refer Porting Guide - OneWifi
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