Re: [PATCH net-next] net/packet: Fix Tx queue selection for AF_PACKET

[David Miller <davem@davemloft.net>]

From: Iván Briano <ivan.briano@intel.com>
Date: Fri, 30 Jun 2017 14:02:32 -0700

> When PACKET_QDISC_BYPASS is not used, Tx queue selection will be done
> before the packet is enqueued, taking into account any mappings set by
> a queuing discipline such as mqprio without hardware offloading. This
> selection may be affected by a previously saved queue_mapping, either on
> the Rx path, or done before the packet reaches the device, as it's
> currently the case for AF_PACKET.
> 
> In order for queue selection to work as expected when using traffic
> control, there can't be another selection done before that point is
> reached, so move the call to packet_pick_tx_queue to
> packet_direct_xmit, leaving the default xmit path as it was before
> PACKET_QDISC_BYPASS was introduced.
> 
> A forward declaration of packet_pick_tx_queue() is introduced to avoid
> the need to reorder the functions within the file.
> 
> Signed-off-by: Iván Briano <ivan.briano@intel.com>

Please resubmit tihs with a proper "Fixes: " tag which shows what
commit introduced this problem.

Thanks.