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世界 2022-07-11 17:15:22 +08:00
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gvisor_linux.go Normal file
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package tun
import (
"runtime"
"gvisor.dev/gvisor/pkg/tcpip/link/fdbased"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
func NewEndpoint(tunFd uintptr, tunMtu uint32) (stack.LinkEndpoint, error) {
var packetDispatchMode fdbased.PacketDispatchMode
if runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64" {
packetDispatchMode = fdbased.PacketMMap
} else {
packetDispatchMode = fdbased.RecvMMsg
}
return fdbased.New(&fdbased.Options{
FDs: []int{int(tunFd)},
MTU: tunMtu,
PacketDispatchMode: packetDispatchMode,
})
}