CFT: major update to if_ure

[John-Mark Gurney]

Ganbold Tsagaankhuu wrote this message on Wed, Aug 19, 2020 at 16:27 +0800:
> On Tue, Jul 28, 2020 at 2:35 AM John-Mark Gurney <jmg at funkthat.com> wrote:
> 
> > Ganbold Tsagaankhuu wrote this message on Mon, Jul 27, 2020 at 18:29 +0800:
> > > On Mon, Jul 27, 2020 at 5:14 AM John-Mark Gurney <jmg at funkthat.com>
> > wrote:
> > >
> > > > Ganbold Tsagaankhuu wrote this message on Sun, Jul 26, 2020 at 11:05
> > +0800:
> > > > > On Sun, Jul 26, 2020 at 7:13 AM John-Mark Gurney <jmg at funkthat.com>
> > > > wrote:
> > > > >
> > > > > > Hello,
> > > > > >
> > > > > > I'd like people who have ure (RealTek) based USB devices to test
> > > > > > review D25809[0].
> > > > > >
> > > > > > This update adds support for:
> > > > > > - HW VLAN tagging
> > > > > > - HW checksum offload for IPv4 and IPv6
> > > > > > - tx and rx aggreegation (for full gige speeds)
> > > > > > - multiple transactions
> > > > > >
> > > > > > In my testing, I am able to get 900-950Mbps depending upon
> > > > > > TCP or UDP, which is a significant improvement over the previous
> > > > > > 91Mbps (~8kint/sec*1500bytes/packet*1packet/int).
> > > > >
> > > > > Does performance improve for if_ure device on USB2?
> > > > > I will try to test it in a couple of days on NanoPI R1 and R1S
> > boards.
> > > >
> > > > Yes, it should.
> > > >
> > > > I never tested the before driver on USB2, but I'm now able to get
> > > > 211Mbps TX and 190Mbps RX TCP, and 227Mbps TX and 225Mbps RX UDP.
> > > >
> > > > I believe it is likely that the same 91Mbps speed limit applied to
> > > > USB2 as well.
> > >
> > > Couldn't find your iperf test scripts and I tested only tcp:
> >
> > My test script isn't performance, just features, and I'm thinking about
> > how/where to publish it...
> >
> > You can also test UDP using -u w/ iperf3 and adjust the bandwidth w/
> > -b 300m (or other Mbps)...
> >
> > > root at nanopi-r1s-h5:~ # iperf3 -c 192.168.111.1
> > > Connecting to host 192.168.111.1, port 5201
> > > [  5] local 192.168.111.10 port 28569 connected to 192.168.111.1 port
> > 5201
> > > [ ID] Interval           Transfer     Bitrate         Retr  Cwnd
> > > [  5]   0.00-1.00   sec  27.4 MBytes   230 Mbits/sec    0   95.4 KBytes
> > > [  5]   1.00-2.00   sec  27.6 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   2.00-3.00   sec  27.7 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   3.00-4.00   sec  27.6 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   4.00-5.00   sec  27.6 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   5.00-6.00   sec  27.6 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   6.00-7.00   sec  27.7 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   7.00-8.00   sec  27.7 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   8.00-9.00   sec  27.6 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > [  5]   9.00-10.00  sec  27.6 MBytes   232 Mbits/sec    0   95.4 KBytes
> > > - - - - - - - - - - - - - - - - - - - - - - - - -
> > > [ ID] Interval           Transfer     Bitrate         Retr
> > > [  5]   0.00-10.00  sec   276 MBytes   232 Mbits/sec    0
> >  sender
> > > [  5]   0.00-10.79  sec   276 MBytes   215 Mbits/sec
> > >  receiver
> > >
> > > iperf Done.
> > > root at nanopi-r1s-h5:~ # iperf3 -c 192.168.111.1 -R
> > > Connecting to host 192.168.111.1, port 5201
> > > Reverse mode, remote host 192.168.111.1 is sending
> > > [  5] local 192.168.111.10 port 29384 connected to 192.168.111.1 port
> > 5201
> > > [ ID] Interval           Transfer     Bitrate
> > > [  5]   0.00-1.00   sec  12.1 MBytes   102 Mbits/sec
> > > [  5]   1.00-2.00   sec  12.1 MBytes   102 Mbits/sec
> > > [  5]   2.00-3.00   sec  12.1 MBytes   101 Mbits/sec
> > > [  5]   3.00-4.00   sec  12.1 MBytes   102 Mbits/sec
> > > [  5]   4.00-5.00   sec  12.1 MBytes   102 Mbits/sec
> > > [  5]   5.00-6.00   sec  12.1 MBytes   102 Mbits/sec
> > > [  5]   6.00-7.00   sec  12.1 MBytes   101 Mbits/sec
> > > [  5]   7.00-8.00   sec  12.1 MBytes   102 Mbits/sec
> > > [  5]   8.00-9.00   sec  12.1 MBytes   101 Mbits/sec
> > > [  5]   9.00-10.00  sec  12.1 MBytes   102 Mbits/sec
> > > - - - - - - - - - - - - - - - - - - - - - - - - -
> > > [ ID] Interval           Transfer     Bitrate         Retr
> > > [  5]   0.00-11.25  sec   121 MBytes  90.3 Mbits/sec  2539
> > > sender
> > > [  5]   0.00-10.00  sec   121 MBytes   101 Mbits/sec
> > >  receiver
> > >
> > > iperf Done.
> > > root at nanopi-r1s-h5:~ # sysctl -a | grep cpu.0.freq
> > > dev.cpu.0.freq_levels: 1248/-1 1008/-1 816/-1 624/-1 480/-1
> > > dev.cpu.0.freq: 1248
> >
> > Hmmm... The reverse seems slow, but I can't think of why it'd be that
> > slow though.  When I did my tests on the USB2 ports, both directions
> > were about the same speed...
> >
> > Thanks for the test!  Great to hear things are working...
> 
> When can you commit it?

Plan on committing it this week...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."