[RFC/RFT 0/7] ath10k: performance improvements

Kalle Valo kvalo at qca.qualcomm.com
Mon Feb 17 10:01:49 EST 2014

Michal Kazior <michal.kazior at tieto.com> writes:

> These patches aim at reducing host CPU load and
> thus improve performance on low-end systems.
> In my setup I get a relative improvement of
> 100mbps for both UDP Tx and Rx.


>                Tx ----->
> laptop:eth---eth:AP135:ath10k---ath10k:laptop
>                <----- Rx
> Michal Kazior (7):
>   ath10k: remove DMA mapping wrappers
>   ath10k: remove is_aborted from skb_cb
>   ath10k: replace send_head() with tx_sg()
>   ath10k: bypass htc for htt tx path
>   ath10k: batch htt tx/rx completions
>   ath10k: remove pci completion list
>   ath10k: minimize coherent dma accesses

I know this is RFC still, but I did some compilation tests and saw

drivers/net/wireless/ath/ath10k/htt_rx.c:274:17: warning: context imbalance in 'ath10k_htt_rx_amsdu_pop' - unexpected unlock
drivers/net/wireless/ath/ath10k/htt_tx.c:436: WARNING: line over 80 characters
drivers/net/wireless/ath/ath10k/htt_tx.c:493: WARNING: line over 80 characters
drivers/net/wireless/ath/ath10k/htt_rx.c:1214: WARNING: line over 80 characters

Kalle Valo

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