On Fri, Mar 21, 2025 at 02:52:39PM +0100, Kurt Kanzenbach wrote: > The current MQPRIO offload implementation uses the legacy TSN Tx mode. In > this mode the hardware uses four packet buffers and considers queue > priorities. > > In order to harmonize the TAPRIO implementation with MQPRIO, switch to the > regular TSN Tx mode. This mode also uses four packet buffers and considers > queue priorities. In addition to the legacy mode, transmission is always > coupled to Qbv. The driver already has mechanisms to use a dummy schedule > of 1 second with all gates open for ETF. Simply use this for MQPRIO too. > > This reduces code and makes it easier to add support for frame preemption > later. > > Tested on i225 with real time application using high priority queue, iperf3 > using low priority queue and network TAP device. > > Acked-by: Faizal Rahim <faizal.abdul.ra...@linux.intel.com> > Signed-off-by: Kurt Kanzenbach <k...@linutronix.de>
Reviewed-by: Simon Horman <ho...@kernel.org>
