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Improve darwin forwarding

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世界 2026-07-08 19:38:44 +08:00
parent dcfbe83ca6
commit b0188bc3f1
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GPG key ID: CD109927C34A63C4
4 changed files with 116 additions and 56 deletions
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48
stack_system.go
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@ -750,18 +750,49 @@ func (w *systemUDPPacketWriter6) WritePacket(buffer *buf.Buffer, destination M.S
return common.Error(w.tun.Write(newPacket.Bytes()))
}
type systemWriteback struct {
tun Tun
func newSystemWriteback(tunInterface Tun, frontHeadroom int) ForwardWriteback {
if linuxTUN, isLinuxTUN := tunInterface.(LinuxTUN); isLinuxTUN {
return &systemWritebackLinux{linuxTUN: linuxTUN, frontHeadroom: frontHeadroom}
}
if darwinTUN, isDarwinTUN := tunInterface.(DarwinTUN); isDarwinTUN {
return &systemWritebackDarwin{darwinTUN: darwinTUN, frontHeadroom: frontHeadroom}
}
return &systemWriteback{tun: tunInterface, frontHeadroom: frontHeadroom}
}
type systemWritebackLinux struct {
linuxTUN LinuxTUN
frontHeadroom int
}
func newSystemWriteback(tunInterface Tun, frontHeadroom int) *systemWriteback {
writeback := &systemWriteback{tun: tunInterface, frontHeadroom: frontHeadroom}
if linuxTUN, isLinuxTUN := tunInterface.(LinuxTUN); isLinuxTUN {
writeback.linuxTUN = linuxTUN
func (w *systemWritebackLinux) ReturnHeadroom() int {
return w.frontHeadroom + PacketOffset
}
func (w *systemWritebackLinux) WriteReturnPackets(packets [][]byte) error {
return common.Error(w.linuxTUN.BatchWrite(packets, w.frontHeadroom))
}
type systemWritebackDarwin struct {
darwinTUN DarwinTUN
frontHeadroom int
}
func (w *systemWritebackDarwin) ReturnHeadroom() int {
return w.frontHeadroom + PacketOffset
}
func (w *systemWritebackDarwin) WriteReturnPackets(packets [][]byte) error {
buffers := make([]*buf.Buffer, 0, len(packets))
for _, packet := range packets {
buffers = append(buffers, buf.As(packet[PacketOffset:]))
}
return writeback
return w.darwinTUN.BatchWrite(buffers)
}
type systemWriteback struct {
tun Tun
frontHeadroom int
}
func (w *systemWriteback) ReturnHeadroom() int {
@ -769,9 +800,6 @@ func (w *systemWriteback) ReturnHeadroom() int {
}
func (w *systemWriteback) WriteReturnPackets(packets [][]byte) error {
if w.linuxTUN != nil {
return common.Error(w.linuxTUN.BatchWrite(packets, w.frontHeadroom))
}
var writeErrors []error
for _, packet := range packets {
if PacketOffset > 0 {