Re: [PATCH v8 net-next 09/11] net: ethernet: ti: am65-cpsw-qos: Add Frame Preemption MAC Merge support

From: Vladimir Oltean
Date: Thu Dec 14 2023 - 08:51:01 EST


On Thu, Dec 14, 2023 at 03:44:03PM +0200, Roger Quadros wrote:
> On 14/12/2023 13:04, Vladimir Oltean wrote:
> >> + /* verify_timeout_count can only be set at valid link */
> >> + if (cfg->verify_time > 0)
> >> + port->qos.iet.verify_time_ms = cfg->verify_time;
> >> + else
> >> + port->qos.iet.verify_time_ms = 10;
> >
> > I don't think I understand what the check is for? The netlink policy for
> > ETHTOOL_A_MM_VERIFY_TIME limits the range between 1 ms and 128 ms.
> > How can it be 0?
>
> I didn't check ETHTOOL_A_MM_VERIFY_TIME before.

Not even when the exact same policy was rejecting the verify-time set by
LLDP in v6, for being larger than the upper limit of 128 ms? :-/