Eric, Is this patch the basis for a more permanent and general fix (it seems not specific to ath10k)?
Thanks! The patch produces a marked improvement with TCP from the local QCA6174 client to AP/remote. 4.12.0 (UDP; no patch) % iperf3 -u -b 1000M -c remote Connecting to host remote, port 5201 [ 4] local local port 42530 connected to remote port 5201 [ ID] Interval Transfer Bandwidth Total Datagrams [ 4] 0.00-1.00 sec 14.8 MBytes 124 Mbits/sec 10725 [ 4] 1.00-2.00 sec 17.8 MBytes 150 Mbits/sec 12924 [ 4] 2.00-3.00 sec 19.0 MBytes 160 Mbits/sec 13773 [ 4] 3.00-4.00 sec 18.1 MBytes 152 Mbits/sec 13118 [ 4] 4.00-5.00 sec 18.7 MBytes 157 Mbits/sec 13555 [ 4] 5.00-6.00 sec 18.0 MBytes 151 Mbits/sec 13064 [ 4] 6.00-7.00 sec 17.4 MBytes 146 Mbits/sec 12584 [ 4] 7.00-8.00 sec 16.8 MBytes 141 Mbits/sec 12141 [ 4] 8.00-9.00 sec 16.8 MBytes 141 Mbits/sec 12201 [ 4] 9.00-10.00 sec 17.2 MBytes 144 Mbits/sec 12442 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 4] 0.00-10.00 sec 175 MBytes 147 Mbits/sec 0.100 ms 0/126526 (0%) [ 4] Sent 126526 datagrams 4.12.0 (TCP; no patch) % iperf3 -c remote Connecting to host remote, port 5201 [ 4] local local port 50394 connected to remote port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 2.37 MBytes 19.9 Mbits/sec 0 29.7 KBytes [ 4] 1.00-2.00 sec 2.53 MBytes 21.2 Mbits/sec 0 29.7 KBytes [ 4] 2.00-3.00 sec 2.43 MBytes 20.4 Mbits/sec 0 29.7 KBytes [ 4] 3.00-4.00 sec 2.52 MBytes 21.2 Mbits/sec 0 29.7 KBytes [ 4] 4.00-5.00 sec 2.53 MBytes 21.2 Mbits/sec 0 29.7 KBytes [ 4] 5.00-6.00 sec 2.55 MBytes 21.4 Mbits/sec 0 29.7 KBytes [ 4] 6.00-7.00 sec 2.55 MBytes 21.4 Mbits/sec 0 29.7 KBytes [ 4] 7.00-8.00 sec 2.48 MBytes 20.8 Mbits/sec 0 29.7 KBytes [ 4] 8.00-9.00 sec 2.55 MBytes 21.4 Mbits/sec 0 29.7 KBytes [ 4] 9.00-10.00 sec 2.47 MBytes 20.7 Mbits/sec 0 29.7 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 25.0 MBytes 21.0 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 25.0 MBytes 20.9 Mbits/sec receiver 4.12.0 (TCP; _with_ patch) + limit = max(2 * skb->truesize, sk->sk_pacing_rate >> 8); % iperf3 -c remote Connecting to host remote, port 5201 [ 4] local local port 59780 connected to remote port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 13.4 MBytes 113 Mbits/sec 0 181 KBytes [ 4] 1.00-2.00 sec 16.9 MBytes 142 Mbits/sec 0 216 KBytes [ 4] 2.00-3.00 sec 16.7 MBytes 140 Mbits/sec 0 252 KBytes [ 4] 3.00-4.00 sec 17.2 MBytes 145 Mbits/sec 0 280 KBytes [ 4] 4.00-5.00 sec 17.4 MBytes 146 Mbits/sec 0 317 KBytes [ 4] 5.00-6.00 sec 16.9 MBytes 142 Mbits/sec 0 332 KBytes [ 4] 6.00-7.00 sec 17.7 MBytes 149 Mbits/sec 0 332 KBytes [ 4] 7.00-8.00 sec 18.2 MBytes 153 Mbits/sec 0 386 KBytes [ 4] 8.00-9.00 sec 17.9 MBytes 150 Mbits/sec 0 386 KBytes [ 4] 9.00-10.00 sec 17.3 MBytes 145 Mbits/sec 0 386 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 170 MBytes 142 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 169 MBytes 142 Mbits/sec receiver 4.12.0 (TCP; _with_ patch) + limit = max(4 * skb->truesize, sk->sk_pacing_rate >> 7); % iperf3 -c remote Connecting to host remote, port 5201 [ 4] local local port 55672 connected to remote port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 12.5 MBytes 105 Mbits/sec 2 132 KBytes [ 4] 1.00-2.00 sec 17.3 MBytes 145 Mbits/sec 0 181 KBytes [ 4] 2.00-3.00 sec 18.1 MBytes 152 Mbits/sec 0 211 KBytes [ 4] 3.00-4.00 sec 18.6 MBytes 156 Mbits/sec 0 225 KBytes [ 4] 4.00-5.00 sec 17.9 MBytes 151 Mbits/sec 0 242 KBytes [ 4] 5.00-6.00 sec 17.0 MBytes 142 Mbits/sec 0 253 KBytes [ 4] 6.00-7.00 sec 17.5 MBytes 146 Mbits/sec 0 262 KBytes [ 4] 7.00-8.00 sec 18.5 MBytes 155 Mbits/sec 0 269 KBytes [ 4] 8.00-9.00 sec 17.9 MBytes 150 Mbits/sec 0 272 KBytes [ 4] 9.00-10.00 sec 18.0 MBytes 151 Mbits/sec 0 277 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 173 MBytes 145 Mbits/sec 2 sender [ 4] 0.00-10.00 sec 173 MBytes 145 Mbits/sec receiver [end] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1670041 Title: Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless 1535) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1670041/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
