Re: [PATCH net-next] net/sched: Add precise drop reason for pfifo_fast queue overflows
From: Cong Wang
Date: Fri Jul 25 2025 - 13:25:43 EST
On Thu, Jul 24, 2025 at 09:28:37PM +0800, fan.yu9@xxxxxxxxxx wrote:
> From: Fan Yu <fan.yu9@xxxxxxxxxx>
>
> Currently, packets dropped by pfifo_fast due to queue overflow are
> marked with a generic SKB_DROP_REASON_QDISC_DROP in __dev_xmit_skb().
>
> This patch adds explicit drop reason SKB_DROP_REASON_QDISC_OVERLIMIT
> for queue-full cases, providing better distinction from other qdisc drops.
>
> Signed-off-by: Fan Yu <fan.yu9@xxxxxxxxxx>
Reviewed-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
BTW, it seems net-next is closed, you may need to resend it after it is
re-open.
Thanks.