On Sat, Jan 16, 2021 at 01:49:22PM +0100, Kurt Kanzenbach wrote: > The switch has support for the 802.1Qbv Time Aware Shaper (TAS). Traffic > schedules may be configured individually on each front port. Each port has > eight > egress queues. The traffic is mapped to a traffic class respectively via the > PCP > field of a VLAN tagged frame. > > The TAPRIO Qdisc already implements that. Therefore, this interface can simply > be reused. Add .port_setup_tc() accordingly. > > The activation of a schedule on a port is split into two parts: > > * Programming the necessary gate control list (GCL) > * Setup delayed work for starting the schedule > > The hardware supports starting a schedule up to eight seconds in the future. > The > TAPRIO interface provides an absolute base time. Therefore, periodic delayed > work is leveraged to check whether a schedule may be started or not. > > Signed-off-by: Kurt Kanzenbach <k...@linutronix.de> > ---
Reviewed-by: Vladimir Oltean <olte...@gmail.com>
