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Re: [PATCH 00/15] rt2x00: OpenWrt patches improving MT7620

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On Sat, Sep 17, 2022 at 12:03:57AM +0100, Daniel Golle wrote:
> Over the years we have been accumulating a number of patches improving
> support for the IEEE 802.11bgn 2T2R wireless interface built into the
> MediaTek MT7620 MIPS SoCs. Many of them have not been in shape for
> being submitted to Linux and changes were needed to make checkpatch.pl
> all happy. Now they look as good as it gets, given that most code deals
> with undocumented registers and was adapted from the vendor driver.
> 
> Patch 1/1 also has been previously submitted and then (imho wrongly)
>rejected, so I've included it in this series.

In general this looks good. Some calibration functions are just too
big, but we can eventually take them and refactor in the tree.
Just please assure there are no compilation warnings and add
yours signed-off by to all patches.

> Alltogether rt2x00 now performs almost as good as the vendor driver,
> see benchmark of HT20 client below:
> 
> Accepted connection from 192.168.5.133, port 37382
> [  5] local 192.168.5.175 port 5201 connected to 192.168.5.133 port 37384
> [ ID] Interval           Transfer     Bitrate
> [  5]   0.00-1.00   sec  9.57 MBytes  80.3 Mbits/sec
> [  5]   1.00-2.00   sec  9.68 MBytes  81.2 Mbits/sec
> [  5]   2.00-3.00   sec  9.98 MBytes  83.7 Mbits/sec
> [  5]   3.00-4.00   sec  9.72 MBytes  81.6 Mbits/sec
> [  5]   4.00-5.00   sec  9.49 MBytes  79.6 Mbits/sec
> [  5]   5.00-6.00   sec  9.88 MBytes  82.9 Mbits/sec
> [  5]   6.00-7.00   sec  9.76 MBytes  81.8 Mbits/sec
> [  5]   7.00-8.00   sec  9.96 MBytes  83.6 Mbits/sec
> [  5]   8.00-9.00   sec  9.76 MBytes  81.9 Mbits/sec
> [  5]   9.00-10.00  sec  9.86 MBytes  82.7 Mbits/sec
> [  5]  10.00-10.03  sec   243 KBytes  78.4 Mbits/sec
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bitrate
> [  5]   0.00-10.03  sec  97.9 MBytes  81.9 Mbits/sec                  receiver

My mt7620 AP benchmarking tests quite highly depended on client devices.
With clients like iwlwifi and ath it worked ok. I got pretty poor
results when connected rt2x00 client devices :-/

Regards
Stanislaw



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