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netstack: update tcp_benchmark flag to match that RACK is enabled by default

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PiperOrigin-RevId: 628542796
This commit is contained in:
Kevin Krakauer
2024-04-26 16:45:57 -07:00
committed by gVisor bot
parent 797b909368
commit 05335ebd62
1 changed files with 5 additions and 4 deletions
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test/benchmarks/tcp/tcp_proxy.go
+5 -4
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@@ -59,7 +59,7 @@ var (
mask = flag.Int("mask", 8, "mask size for address")
iface = flag.String("iface", "", "network interface name to bind for netstack")
sack = flag.Bool("sack", false, "enable SACK support for netstack")
rack = flag.Bool("rack", false, "enable RACK in TCP")
rack = flag.Bool("rack", true, "enable RACK in TCP")
moderateRecvBuf = flag.Bool("moderate_recv_buf", true, "enable TCP Receive Buffer Auto-tuning")
cubic = flag.Bool("cubic", false, "enable use of CUBIC congestion control for netstack")
gso = flag.Int("gso", 0, "GSO maximum size")
@@ -289,10 +289,11 @@ func newNetstackImpl(mode string) (impl, error) {
}
}
if *rack {
opt := tcpip.TCPRecovery(tcpip.TCPRACKLossDetection)
// RACK is enabled by default in netstack.
if !*rack {
opt := tcpip.TCPRecovery(0)
if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &opt); err != nil {
return nil, fmt.Errorf("enabling RACK failed: %v", err)
return nil, fmt.Errorf("disabling RACK failed: %v", err)
}
}