Re: [PATCH] bond: Don't set skb->queue_mapping in netpoll.

From: Cong Wang
Date: Thu Aug 15 2013 - 06:35:50 EST


On Thu, 2013-08-15 at 16:36 +0800, Tao Ma wrote:
> From: Tao Ma <boyu.mt@xxxxxxxxxx>
>
> When we are using netpoll, we don't go through the normal
> transmit process. In this case, bond_select_queue is not called
> and qdisc_skb_cb(skb)->slave_dev_queue_mapping isn't set.
>

Yes?

In netpoll_send_skb_on_dev() we have:

if (skb_queue_len(&npinfo->txq) == 0 && !
netpoll_owner_active(dev)) {
struct netdev_queue *txq;

txq = netdev_pick_tx(dev, skb);
...

where netdev_pick_tx() will call ->ndo_select_queue().


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