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go.mod,wgengine/netstack: use cubic congestion control, bump gvisor

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Cubic performs better than Reno in higher BDP scenarios, and enables the
use of the hystart++ implementation contributed by Coder. This improves
throughput on higher BDP links with a much faster ramp.

gVisor is bumped as well for some fixes related to send queue processing
and RTT tracking.

Updates #9707
Updates #10408
Updates #12393
Updates tailscale/corp#24483
Updates tailscale/corp#25169

Signed-off-by: James Tucker <james@tailscale.com>
This commit is contained in:
James Tucker 2025-02-06 10:45:45 -08:00 committed by James Tucker
parent 4903d6c80b
commit e113b106a6
5 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/k8s-operator/depaware.txt
View File

@ -296,7 +296,7 @@ tailscale.com/cmd/k8s-operator dependencies: (generated by github.com/tailscale/
gvisor.dev/gvisor/pkg/tcpip/hash/jenkins from gvisor.dev/gvisor/pkg/tcpip/stack+
gvisor.dev/gvisor/pkg/tcpip/header from gvisor.dev/gvisor/pkg/tcpip/header/parse+
gvisor.dev/gvisor/pkg/tcpip/header/parse from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
gvisor.dev/gvisor/pkg/tcpip/internal/tcp from gvisor.dev/gvisor/pkg/tcpip/stack+
gvisor.dev/gvisor/pkg/tcpip/internal/tcp from gvisor.dev/gvisor/pkg/tcpip/transport/tcp
gvisor.dev/gvisor/pkg/tcpip/network/hash from gvisor.dev/gvisor/pkg/tcpip/network/ipv4
gvisor.dev/gvisor/pkg/tcpip/network/internal/fragmentation from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
gvisor.dev/gvisor/pkg/tcpip/network/internal/ip from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+

2
cmd/tailscaled/depaware.txt
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@ -208,7 +208,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
gvisor.dev/gvisor/pkg/tcpip/hash/jenkins from gvisor.dev/gvisor/pkg/tcpip/stack+
gvisor.dev/gvisor/pkg/tcpip/header from gvisor.dev/gvisor/pkg/tcpip/header/parse+
gvisor.dev/gvisor/pkg/tcpip/header/parse from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
gvisor.dev/gvisor/pkg/tcpip/internal/tcp from gvisor.dev/gvisor/pkg/tcpip/stack+
gvisor.dev/gvisor/pkg/tcpip/internal/tcp from gvisor.dev/gvisor/pkg/tcpip/transport/tcp
gvisor.dev/gvisor/pkg/tcpip/network/hash from gvisor.dev/gvisor/pkg/tcpip/network/ipv4
gvisor.dev/gvisor/pkg/tcpip/network/internal/fragmentation from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
gvisor.dev/gvisor/pkg/tcpip/network/internal/ip from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+

2
go.mod
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@ -108,7 +108,7 @@ require (
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2
golang.zx2c4.com/wireguard/windows v0.5.3
gopkg.in/square/go-jose.v2 v2.6.0
gvisor.dev/gvisor v0.0.0-20240722211153-64c016c92987
gvisor.dev/gvisor v0.0.0-20250205023644-9414b50a5633
honnef.co/go/tools v0.5.1
k8s.io/api v0.32.0
k8s.io/apimachinery v0.32.0

4
go.sum
View File

@ -1446,8 +1446,8 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o=
gotest.tools/v3 v3.4.0/go.mod h1:CtbdzLSsqVhDgMtKsx03ird5YTGB3ar27v0u/yKBW5g=
gvisor.dev/gvisor v0.0.0-20240722211153-64c016c92987 h1:TU8z2Lh3Bbq77w0t1eG8yRlLcNHzZu3x6mhoH2Mk0c8=
gvisor.dev/gvisor v0.0.0-20240722211153-64c016c92987/go.mod h1:sxc3Uvk/vHcd3tj7/DHVBoR5wvWT/MmRq2pj7HRJnwU=
gvisor.dev/gvisor v0.0.0-20250205023644-9414b50a5633 h1:2gap+Kh/3F47cO6hAu3idFvsJ0ue6TRcEi2IUkv/F8k=
gvisor.dev/gvisor v0.0.0-20250205023644-9414b50a5633/go.mod h1:5DMfjtclAbTIjbXqO1qCe2K5GKKxWz2JHvCChuTcJEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

5
wgengine/netstack/netstack.go
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@ -326,6 +326,11 @@ func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magi
if tcpipErr != nil {
return nil, fmt.Errorf("could not disable TCP RACK: %v", tcpipErr)
}
cubicOpt := tcpip.CongestionControlOption("cubic")
tcpipErr = ipstack.SetTransportProtocolOption(tcp.ProtocolNumber, &cubicOpt)
if tcpipErr != nil {
return nil, fmt.Errorf("could not set cubic congestion control: %v", tcpipErr)
}
err := setTCPBufSizes(ipstack)
if err != nil {
return nil, err