From: Cong Wang <xiyou.wangc...@gmail.com> Date: Thu, 25 Jan 2018 18:26:21 -0800
> This pathcset restores the pfifo_fast qdisc behavior of dropping > packets based on latest dev->tx_queue_len. Patch 1 introduces > a helper, patch 2 introduces a new Qdisc ops which is called when > we modify tx_queue_len, patch 3 implements this ops for pfifo_fast. > > Please see each patch for details. > > --- > v3: use skb_array_resize_multiple() > v2: handle error case for ->change_tx_queue_len() Series applied, thanks Cong. Please follow up with John about making the queue allocation use a prepare + commit phase. And as for the TX queue state handling on change, I think it's fine to purge the whole queue. That is definitely better than allowing the queue length to be visibly over the tx_queue_len setting. Thank you.
