Wen Gong <wgong@xxxxxxxxxxxxxx> wrote: > The transmission utilization ratio for sdio bus for small packet is > slow, because the space and time cost for sdio bus is same for large > length packet and small length packet. So the speed of data for large > length packet is higher than small length. > > Test result of different length of data: > > data packet(byte) cost time(us) calculated rate(Mbps) > 256 28 73 > 512 33 124 > 1024 35 234 > 1792 45 318 > 14336 168 682 > 28672 333 688 > 57344 660 695 > > This patch change the TX packet from single packet to a large length > bundle packet, max size is 32, it results in significant performance > improvement on TX path. > > Also there's a fourth thread "ath10k_tx_complete_wq" added to ath10k as it > improves TCP RX throughput (values in Mbps): > > TCP-RX TCP-TX UDP-RX UDP-TX > use workqueue_tx_complete 423 357 448 412 > change it to ar->workqueue 410 360 449 414 > change it to ar->workqueue_aux 405 339 446 401 > > This patch only effect sdio chip, it will not effect PCI, SNOC etc. > It only enable bundle for sdio chip. > > Tested with QCA6174 SDIO with firmware > WLAN.RMH.4.4.1-00017-QCARMSWP-1. > > Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> 2 patches applied to ath-next branch of ath.git, thanks. c8334512f3dd ath10k: add htt TX bundle for sdio 2f918ea98606 ath10k: enable alt data of TX path for sdio -- https://patchwork.kernel.org/patch/11482769/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
