On 8/27/19 4:19 PM, Gautam Ramakrishnan wrote:
> RFC 8033 suggests an alternative approach to calculate the queue
> delay in PIE by using per packet timestamps. This patch enables the
> PIE implementation to do this.
>
> The calculation of queue delay is as follows:
> qdelay = now - packet_enqueue_time
>
> To enable the use of timestamps:
> modprobe sch_pie use_timestamps=1
No module parameter is accepted these days.
Please add a new attribute instead,
so that pie can be used in both mode on the same host.
For a typical example of attribute addition, please take
a look at commit 48872c11b77271ef9b070bdc50afe6655c4eb9aa
("net_sched: sch_fq: add dctcp-like marking")
