From: Petr Machata <pe...@nvidia.com> Date: Wed, 30 Sep 2020 12:49:06 +0200
> Recent changes in the headroom management code made it clear that an > automated way of testing this functionality is needed. This patchset brings > two tests: a synthetic headroom behavior test, which verifies mechanics of > headroom management. And a PFC test, which verifies whether this behavior > actually translates into a working lossless configuration. > > Both of these tests rely on mlnx_qos[1], a tool that interfaces with Linux > DCB API. The tool was originally written to work with Mellanox NICs, but > does not actually rely on anything Mellanox-specific, and can be used for > mlxsw as well as for any other NIC-like driver. Unlike Open LLDP it does > support buffer commands and permits a fire-and-forget approach to > configuration, which makes it very handy for writing of selftests. > > Patches #1-#3 extend the selftest devlink_lib.sh in various ways. Patch #4 > then adds a helper wrapper for mlnx_qos to mlxsw's qos_lib.sh. > > Patch #5 adds a test for management of port headroom. > > Patch #6 adds a PFC test. > > [1] https://github.com/Mellanox/mlnx-tools/ These look fine, series applied, thank you.
