[Kernel-packages] [Bug 1670041] Re: Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless 1535)

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

[Kernel-packages] [Bug 1670041] Re: Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless 1535)

Hi Eric, This compares Cubic with BBR with 4.13-rc2 (which has a few new commits to bbr.c): wlan0: mtu 1500 qdisc mq state UP mode DORMANT group default qlen 1000 $ cat /proc/sys/net/ipv4/tcp_congestion_control cubic $ iperf3 -c Connecting to host , port 5201

[Kernel-packages] [Bug 1670041] Re: Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless 1535)

4.13-rc2 + tcp_output.c - limit = max(2 * skb->truesize, sk->sk_pacing_rate >> 10); + limit = max(2 * skb->truesize, sk->sk_pacing_rate >> 7); w/ cubic % iperf3 -c dest Connecting to host dest, port 5201 [ 4] local src port 47742 connected to dest port 5201 [ ID] Interval

[Kernel-packages] [Bug 1670041] Re: Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless 1535)

2,8 cubic iperf3 -c dest Connecting to host dest, port 5201 [ 4] local src port 49522 connected to dest port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 6.17 MBytes 51.7 Mbits/sec6 91.9 KBytes [ 4] 1.00-2.00 sec 8.34 MBytes 70.0