Stefan Sperling(s...@stsp.name) on 2020.06.26 14:45:53 +0200:
> This patch adds support for 11n Tx aggregation to iwm(4).
> 
> Please help with testing if you can by running the patch and using wifi
> as usual. Nothing should change, except that Tx speed may potentially
> improve. If you have time to run before/after performance measurements with
> tcpbench or such, that would be nice. But it's not required for testing.
> 
> If Tx aggregation is active then netstat will show a non-zero output block ack
> agreement counter:
> 
> $ netstat -W iwm0 | grep 'output block'
>         3 new output block ack agreements
>       0 output block ack agreements timed out

iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless-AC 8265" rev 0x78, msi
iwm0: hw rev 0x230, fw ver 34.0.1, address 9c:da:3e:6f:51:a4

With intel firmware updated: intel-firmware-20200520v0->20200609v0: ok

With the patch i get a speedup from ca 25 MBit/s to ca. 35 MBit/s.

However i do not see any 'new output block ack agreements'.

        0 new output block ack agreements
        0 output block ack agreements timed out

This is with two TP-Link APs (Archer A7 or something like that).

/Benno

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