tailscale/net/tstun/tun_features_linux.go

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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package tstun
import (
"github.com/tailscale/wireguard-go/tun"
"tailscale.com/envknob"
)
func setLinkFeatures(dev tun.Device) error {
if envknob.Bool("TS_TUN_DISABLE_UDP_GRO") {
linuxDev, ok := dev.(tun.LinuxDevice)
if ok {
linuxDev.DisableUDPGRO()
}
}
return nil
}