Instead of guessing what is the absolute timestamp of each symbol returned
from fronthaul, add absolute hyper frame from GPS Epoch to the O-RU. The
O-RU can calculate the absolute sample index from hyper frame reliably
regardless of the frame/slot/symbol ordering.
Add config file for 1x1 O-DU that matches the edited O-RU config.
Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org>
Add an O-RU centered fronthaul library that includes components
from the fronthaul directory.
Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org> and assisted-by Gemini
Test the new O-RU packet processor against PCAP capture.
There are two testcases added:
- test_oru_pcap_1 - which tests DL & UL fragmentation using jumbo frames (9600 mtu)
- test_oru_pcap_frag - which injects the same pcap but tests the mtu to 1500 to force
large amounts of UL UPlane fragments
Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org> and assisted-by Gemini
This commit introduces the O-RU (O-RAN Radio Unit) packet processor
implementation for handling UL & DL C-plane and U-plane
Key features include:
- Processing of eCPRI headers and Section Type 1 radio app headers.
- Strict timing validation against T2a minimum and maximum bounds for
both C-plane and U-plane symbols.
- A DPDK ring-based job queue for managing symbol processing state
(`dl_symbol_job_t`) across multiple concurrent symbol windows.
- Reordering of received CP & UP data so that produced IQ is always
in order.
- Extraction and buffering of IQ samples for downlink.
- Supports up to 4 fragments per symbol
Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org> and assisted-by Gemini
Added a library that encompasses all dpdk requirements for a single O-RU.
Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org> and assisted-by Gemini
