On Fri, Jun 26, 2020 at 02:45:53PM +0200, Stefan Sperling wrote:
> 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
> It would be great to get at least one test for all the chipsets the driver
> supports: 7260, 7265, 3160, 3165, 3168, 8260, 8265, 9260, 9560
> The behaviour of the access point also matters a great deal. It won't
> hurt to test the same chipset against several different access points.
> I have tested this version on 8265 only so far. I've run older revisions
> of this patch on 7265 so I'm confident that this chip will work, too.
> So far, the APs I have tested against are athn(4) in 11a mode and in 11n
> mode with the 'nomimo' nwflag, and a Sagemcom 11ac AP. All on 5Ghz channels.

no difference on X1c3 w/
iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless AC 7265" rev 0x59, msi
iwm0: hw rev 0x210, fw ver 17.3216344376.0,

using a crappy old fonera as AP, serving as a bridge to gw w/ tcpbench.

bandwidth min/avg/max/std-dev = 22.519/22.704/22.995/0.162 Mbps

same bw both ways it seems.


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