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Add GSO support

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世界 2023-12-10 00:00:14 +08:00
parent fa89d2c0a5
commit 5b50c61b72
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GPG key ID: CD109927C34A63C4
22 changed files with 1376 additions and 449 deletions
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15
tun_darwin_gvisor.go
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@ -36,7 +36,7 @@ func (e *DarwinEndpoint) LinkAddress() tcpip.LinkAddress {
}
func (e *DarwinEndpoint) Capabilities() stack.LinkEndpointCapabilities {
return stack.CapabilityNone
return stack.CapabilityRXChecksumOffload
}
func (e *DarwinEndpoint) Attach(dispatcher stack.NetworkDispatcher) {
@ -51,13 +51,13 @@ func (e *DarwinEndpoint) Attach(dispatcher stack.NetworkDispatcher) {
}
func (e *DarwinEndpoint) dispatchLoop() {
packetBuffer := make([]byte, e.tun.mtu+4)
packetBuffer := make([]byte, e.tun.mtu+PacketOffset)
for {
n, err := e.tun.tunFile.Read(packetBuffer)
if err != nil {
break
}
packet := packetBuffer[4:n]
packet := packetBuffer[PacketOffset:n]
var networkProtocol tcpip.NetworkProtocolNumber
switch header.IPVersion(packet) {
case header.IPv4Version:
@ -112,14 +112,7 @@ func (e *DarwinEndpoint) ParseHeader(ptr stack.PacketBufferPtr) bool {
func (e *DarwinEndpoint) WritePackets(packetBufferList stack.PacketBufferList) (int, tcpip.Error) {
var n int
for _, packet := range packetBufferList.AsSlice() {
var packetHeader []byte
switch packet.NetworkProtocolNumber {
case header.IPv4ProtocolNumber:
packetHeader = packetHeader4[:]
case header.IPv6ProtocolNumber:
packetHeader = packetHeader6[:]
}
_, err := bufio.WriteVectorised(e.tun.tunWriter, append([][]byte{packetHeader}, packet.AsSlices()...))
_, err := bufio.WriteVectorised(e.tun, packet.AsSlices())
if err != nil {
return n, &tcpip.ErrAborted{}
}