[PATCH] sched: fix wrr parameter data type

[Thomas Monjalon]

18/09/2025 17:51, Stephen Hemminger:
> On Thu, 18 Sep 2025 08:16:09 +0530
> Megha Ajmera <megha.ajmera at intel.com> wrote:
> 
> > wrr tokens getting truncated to uint8_t in wrr_store function() due to
> > type mismatch. This patch changes the data type to uint16_t.
> > 
> > Fixes: e16b06da0908 ("sched: remove WRR from strict priority TC queues")
> > 
> > Signed-off-by: Megha Ajmera <megha.ajmera at intel.com>
> > Acked-by: Jasvinder Singh <Jasvinder.singh at intel.com>
> 
> The pipe tokens are updated in grinder_wrr_store by:
> 
> 	pipe->wrr_tokens[0] =
> 			(grinder->wrr_tokens[0] & grinder->wrr_mask[0]) >>
> 				RTE_SCHED_WRR_SHIFT;
> 
> The token in rte_sched_grinder is uint16_t.
> The mask value in wrr_mask is either 0 or 0xffff.
> The shift is 3.
> Therefore the range of pipe tokens is 0xffff >> 3 = 1FFF
> 
> The sched code is severely under commented and overly complex.
> The patch looks right.
> 
> Acked-by: Stephen Hemminger <stephen at networkplumber.org>

Cc stable

Applied, thanks.