This is being superseded, ignore this submission. Thanks.
On Fri, May 24, 2024 at 2:07 PM Nicholas Pratte <npra...@iol.unh.edu> wrote: > > The following is a rough design for the implementation of the jumbo > frames test suite in new DTS. The test suite uses the same > testing methodology from the test suite implementation in old > DTS. In doing so, much of the logic in this implementation has been > stripped away for the sake of maintaining an OS-agnostic design > philosopgy. Thus, there are some concerns here that need further > discussion. > > All test cases behave accordingly on lab hardware. However, issues with > the testpmd shell, all of which will be fixed with the upcoming context > manager, prevent the test suite from functioning properly if all test > cases are run sequentially. Thus, for testing, each test case needs to > be run individually. So, expect issues if attempting to test. > > Old DTS implements some basic logic that detects 1GB NICs, specifically > when testing jumbo frame packets greater than the specified MTU length. > This is because, according to a commit message from 2016, 1GB NICs will > automatically adjust their size to +4 bytes, meaning that when setting > an MTU of 9000, testpmd adjust the MTU size to 9004. To compensate, some > logic was inserted in the old suite to adjust packet sizes accordingly. > Given that Juraj's capabilities patch is in development, it would be > possible to set a restriction on this test suite to remove the support > of 1GB NICs, which could be determined from testpmd outputs; it could > also be possible that this problem is entirely null and void today, > essentially allowing us to forget about it. > > The current implementation is not developed with both the capabilities > patch and the params patch in mind; however, the current design can and > will be refactored to do so. > > Nicholas Pratte (1): > Initial Implementation For Jumbo Frames Test Suite > > dts/framework/config/conf_yaml_schema.json | 3 +- > dts/framework/test_suite.py | 8 + > dts/tests/TestSuite_jumboframes.py | 210 +++++++++++++++++++++ > 3 files changed, 220 insertions(+), 1 deletion(-) > create mode 100644 dts/tests/TestSuite_jumboframes.py > > -- > 2.44.0 >
