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Introduction - RDK Extender
- RDK Extender profile is a Yocto based RDK miniature build with opensource OpenSync agent
- OpenSync agent is cloud agnostic and it forms mesh orchestrated by Plume cloud
- RPI4 target is chosen for extender profile since this target is chip and widely available
- Two external Wi-Fi dongles are used for 2.4GHz and 5GHz radio support
- OpenSync's minimum requirement on the WiFi radio is the support for 2AP and 1 Station interface
- Conceptually, RPI4 extender can be used with different Gateway devices(which has OpenSync agent). But currently validated with TurrisOmnia RDKB GW
- Prerequisite: Need to contact Plume to acquiring TLS certificate and backhaul credential
Scope of the work
- Onboarding RPI Extender to Router over Wi-Fi
- RPI4 extender should appear online in Plume NOC
- Extension of Internet to mobile from Router over Wi-Fi
High level Design / Architecture
RPI4 Extender Kirkstone build(32-bit) instructions:
repo init -u https: //code .rdkcentral.com /r/manifests -b rdkb-2024q2-kirkstone -m rdkb-pod-extsrc.xml
or
repo init -u https: //code .rdkcentral.com /r/manifests -b rdkb-2024q2-kirkstone -m rdkb-pod-nosrc.xml
repo sync -j4 --no-clone-bundle
<UPDATE 0001-Update-bhaul-credential.patch in meta-cmf-broadband layer>
MACHINE=raspberrypi4-rdk-extender source meta-cmf-raspberrypi /setup-environment
bitbake rdk-generic-extender-image
|
OpenSync version details:
Ported OpenSync version is 4.4.0.
OpenSync components
| Branch |
---|
OpenSync Core component | osync_4.4.0 |
Platform-RDK | osync_4.4.0 |
RPI Vendor component | main |
Sanity Test cases :
S.No | Sanity tested on | Status |
|
---|
S.No | Sanity tested on | Status |
|
---|
1 | Image should be stable | Pass |
|
2 | OpenSync service and its manager should be running | Pass |
|
3 | RPI Extender onboarding over Wi-Fi | Pass |
|
4 | Able to Ping www.google.com from RPI Extender | Pass |
|
5 | Wifi Extension of Internet to mobile from GW | Pass | Currently through 2.4GHz Radio, While 5GHz radio is used for backhaul connectivity |
![](/download/thumbnails/329256655/homeAP_2.4G_Kirk.png?version=1&modificationDate=1718879957000&api=v2)