[PATCHv2 0/7] ath10k: improve TX path

[Kalle Valo]

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

> Hi,
>
> This patchset addresses two issues:
>
>  * system/userspace starvation on heavy briding
>    UDP TX
>  * unstable/inconsistent UDP TX throughput
>
> In short the patchset simplifies TX path by
> removing HTC TX workers, makes WMI commands block
> and makes ath10k more responsive to queues
> becoming full. This contributes to both improved
> throughput and makes the system more responsive
> under heavy UDP TX load.
>
> Max stable briding TX (ath10k as TX):
>  UDP w/o patchset: 520mbps
>  UDP w/  patchset: 570mbps
>
>  TCP w/o patchset: 350mbps
>  TCP w/  patchset: 400mbps
>
> Measured with two 2x2 cards, one acting as an AP
> on AP135 board, the other as a STA on a core i5
> laptop. The AP135 was passing traffic from a
> station on LAN/eth1 to the STA/wlan0.
>
> v2:
>  * use DIV_ROUND_UP
>  * comment usage of ath10k_wmi_tx_beacons_nowait
>  * additional check for tx_credits_flow_enabled
>
>
> Michal Kazior (7):
>   ath10k: simplify HTC credits calculation
>   ath10k: add HTC TX credits replenishing notification
>   ath10k: make WMI commands block by design
>   ath10k: simplify HTC command submitting
>   ath10k: improve beacon submission latency
>   ath10k: remove wmi pending count limit
>   ath10k: remove wmi event worker thread

Thanks, applied.

-- 
Kalle Valo