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-rwxr-xr-xtools/testing/selftests/net/packetdrill/defaults.sh3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/packetdrill/defaults.sh b/tools/testing/selftests/net/packetdrill/defaults.sh
index 1095a7b22f44..37edd3dc3b07 100755
--- a/tools/testing/selftests/net/packetdrill/defaults.sh
+++ b/tools/testing/selftests/net/packetdrill/defaults.sh
@@ -51,7 +51,8 @@ sysctl -q net.ipv4.tcp_pacing_ss_ratio=200
sysctl -q net.ipv4.tcp_pacing_ca_ratio=120
sysctl -q net.ipv4.tcp_notsent_lowat=4294967295 > /dev/null 2>&1
-sysctl -q net.ipv4.tcp_fastopen=0x70403
+sysctl -q net.ipv4.tcp_fastopen=0x3
+# Use TFO_COOKIE in ksft_runner.sh for this key.
sysctl -q net.ipv4.tcp_fastopen_key=a1a1a1a1-b2b2b2b2-c3c3c3c3-d4d4d4d4
sysctl -q net.ipv4.tcp_syncookies=1