Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Samin Guo <samin.guo@starfivetech.com>
To:     <linux-kernel@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
        <devicetree@vger.kernel.org>
CC:     Emil Renner Berthing <kernel@esmil.dk>,
        Emil Renner Berthing <emil.renner.berthing@canonical.com>,
        Conor Dooley <conor@kernel.org>,
        "Rob Herring" <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Samin Guo <samin.guo@starfivetech.com>,
        Hal Feng <hal.feng@starfivetech.com>
Subject: [-next v1 0/1] Fix StarFive JH7110 gmac TCP RX speed issue
Date:   Thu, 10 Aug 2023 15:46:45 +0800
Message-ID: <20230810074646.19076-1-samin.guo@starfivetech.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

This patch fixes the StarFive JH7110 gmac TCP RX slow issue. And it has been
tested on VisionFive 2.

Here is the result of the test (iperf3):

  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


For more information and support, you can visit RVspace wiki[1].

[1]: https://wiki.rvspace.org/

Samin Guo (1):
  riscv: starfive: jh7110: Fix GMAC configuration

 arch/riscv/boot/dts/starfive/jh7110.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--
2.17.1