Customer: Moxa
Platform: IMX6
OS: Linux
Customer found after long time throughput speed monitoring,
performance down as below:
uptime |
bandwidth (Mbps) |
5:21 |
26.7 |
5:44 |
23 |
12:32 |
15 |
13:19 |
12.4 |
Customer found after modify driver enable_tcp_ack_enh to force disable, can get improvement.
They wants to know
1. In Wifi driver, what's the purpose for enhance tcp ack?
2. any side effect if do disable enable_tcp_ack_enh?
Thanks.
Dear @yao_feng ,
1. In Wifi driver, what's the purpose for enhance tcp ack?
tcp ack enhance will drop some TCP ACK packet and only transmit the last one.
2. any side effect if do disable enable_tcp_ack_enh?
No any effect. every tcp ack will be transmitted by wifi chip
So no problem to enable or disable it.
Regards,
weidong
Got it, thanks.
We will answer you internally