owr_core: Verification Report

1. Test results

Run on 2026-10-06 with GHDL 6.0.0 (mcode), VUnit 5.0.0.dev7, UVVM 2026.03.20: python run.py "*owr_core*".

Testbench	Tests	Passed
owr_core_tb	14 (13 in the default configuration, 1 in no_services)	14

2. Summary

All test cases pass; every requirement of the specification is covered (see the verification plan) and every seam listed in the plan is crossed. VSG reports no errors and no warnings; python lint/synth_check.py synthesizes owr_core with GHDL with and without the broadcast services, without errors and without inferred latches.

Measured values:

Item	Value
A to B, 20 packets of 1000 bytes at 100 Mb/s, B to A sending at the same time	2.060 ms: 77.7 Mb/s user data, 97.1 % of the data character rate
B to A, 20 packets of 600 bytes at 62.5 Mb/s, A to B sending at the same time	finished within 2.082 ms: 46.1 Mb/s or more, 92 % or more of the data character rate

Findings during the core tests: none in the design. The tests found two errors of the test sequences (a missing expectation of the packet after a truncated one, and a run bit period of B shorter than the sampling period of A in a test that did not set the link speed); both were test errors. The second one shows a property of the system that the user guide states: the run bit period of a port must be longer than the clock period of the far end's receiver.