From c9666dd4eff5752b62bdc7677fed85e35bfe3532 Mon Sep 17 00:00:00 2001
From: Lee Read <lee@dlread.com>
Date: Wed, 3 Aug 2022 19:02:16 -0400
Subject: [PATCH] ci: try adjusting macos network settings (#490)

Still seeing sporadic read timeouts on GitHub Actions macos test runs.
Let's try: https://github.com/actions/virtual-environments/issues/1187#issuecomment-696195756

Addendum to #464
---
 .github/workflows/test.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 26ff7db0..ce24cdda 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -60,6 +60,12 @@ jobs:
       if: ${{ matrix.os == 'windows' }}
       run: Disable-NetAdapterChecksumOffload -Name * -TcpIPv4 -UdpIPv4 -TcpIPv6 -UdpIPv6
 
+    - name: Tune macOS network
+      if: ${{ matrix.os == 'macos' }}
+      run: |
+        sudo sysctl -w net.link.generic.system.hwcksum_tx=0
+        sudo sysctl -w net.link.generic.system.hwcksum_rx=0
+
     - name: Install Ubuntu X11 Utils
       if: ${{ matrix.os == 'ubuntu' }}
       run: sudo apt-get -y install x11-utils