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Re: Throughput regression with `tcp: refine TSO autosizing`

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On Thu, 2015-02-05 at 07:46 +0100, Michal Kazior wrote:
> On 4 February 2015 at 22:11, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:

> > Most conservative patch would be :
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
> > index 9c782a42665e1aaf43bfbca441631ee58da50c09..6a36317d6bb0447202dee15528130bd5e21248c4 100644
> > --- a/drivers/net/wireless/ath/ath10k/htt_rx.c
> > +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
> > @@ -1642,6 +1642,7 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
> >                 break;
> >         }
> >         case HTT_T2H_MSG_TYPE_TX_COMPL_IND:
> > +               skb_orphan(skb);
> >                 spin_lock_bh(&htt->tx_lock);
> >                 __skb_queue_tail(&htt->tx_compl_q, skb);
> >                 spin_unlock_bh(&htt->tx_lock);
> 
> I suppose you want to call skb_orphan() on actual data packets, right?
> This skb is just a host-firmware communication buffer.

Right. I have no idea how you find the actual data packet at this stage.


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