Re: [-next v1 1/1] riscv: dts: starfive: jh7110: Fix GMAC configuration

From: Guo Samin
Date: Thu Aug 10 2023 - 06:55:03 EST




on 2023/8/10 18:48:38, Conor Dooley wrote:
> On Thu, Aug 10, 2023 at 03:46:46PM +0800, Samin Guo wrote:
>> Fixed configuration to improve the speed of TCP RX.
>>
>> Before:
>> # iperf3 -s
>> -----------------------------------------------------------
>> Server listening on 5201 (test #1)
>> -----------------------------------------------------------
>> Accepted connection from 192.168.1.4, port 47604
>> [ 5] local 192.168.1.3 port 5201 connected to 192.168.1.4 port 47612
>> [ ID] Interval Transfer Bitrate
>> [ 5] 0.00-1.00 sec 36.3 MBytes 305 Mbits/sec
>> [ 5] 1.00-2.00 sec 35.6 MBytes 299 Mbits/sec
>> [ 5] 2.00-3.00 sec 36.5 MBytes 306 Mbits/sec
>> [ 5] 3.00-4.00 sec 36.5 MBytes 306 Mbits/sec
>> [ 5] 4.00-5.00 sec 35.7 MBytes 300 Mbits/sec
>> [ 5] 5.00-6.00 sec 35.4 MBytes 297 Mbits/sec
>> [ 5] 6.00-7.00 sec 37.1 MBytes 311 Mbits/sec
>> [ 5] 7.00-8.00 sec 35.6 MBytes 298 Mbits/sec
>> [ 5] 8.00-9.00 sec 36.4 MBytes 305 Mbits/sec
>> [ 5] 9.00-10.00 sec 36.3 MBytes 304 Mbits/sec
>> - - - - - - - - - - - - - - - - - - - - - - - - -
>> [ ID] Interval Transfer Bitrate
>> [ 5] 0.00-10.00 sec 361 MBytes 303 Mbits/sec receiver
>>
>> After:
>> # iperf3 -s
>> -----------------------------------------------------------
>> Server listening on 5201 (test #1)
>> -----------------------------------------------------------
>> Accepted connection from 192.168.1.4, port 47710
>> [ 5] local 192.168.1.3 port 5201 connected to 192.168.1.4 port 47720
>> [ ID] Interval Transfer Bitrate
>> [ 5] 0.00-1.00 sec 111 MBytes 932 Mbits/sec
>> [ 5] 1.00-2.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 2.00-3.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 3.00-4.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 4.00-5.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 5.00-6.00 sec 111 MBytes 935 Mbits/sec
>> [ 5] 6.00-7.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 7.00-8.00 sec 111 MBytes 935 Mbits/sec
>> [ 5] 8.00-9.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 9.00-10.00 sec 111 MBytes 934 Mbits/sec
>> [ 5] 10.00-10.00 sec 167 KBytes 933 Mbits/sec
>> - - - - - - - - - - - - - - - - - - - - - - - - -
>> [ ID] Interval Transfer Bitrate
>> [ 5] 0.00-10.00 sec 1.09 GBytes 934 Mbits/sec receiver
>>
>> Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
>> Signed-off-by: Samin Guo <samin.guo@xxxxxxxxxxxxxxxx>
>
> This is
> Fixes: 1ff166c97972 ("riscv: dts: starfive: jh7110: Add ethernet device nodes")
> right?

Hi Conor,

Yes. There is an issue with the configuration of the 1ff166c97972 that affects the speed of the GMAC TCP RX.

Best regards,
Samin