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Improve checksum usages

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This commit is contained in:
世界 2025-08-27 11:03:17 +08:00
parent f9bbb15bfb
commit adc106bcf6
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
9 changed files with 23 additions and 45 deletions
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2
stack_gvisor_tcp.go
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@ -51,7 +51,6 @@ func (f *TCPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pac
ipHdr.SetDestinationAddressWithChecksumUpdate(ipHdr.SourceAddress())
ipHdr.SetSourceAddressWithChecksumUpdate(inet4LoopbackAddress)
tcpHdr := header.TCP(pkt.TransportHeader().Slice())
tcpHdr.SetChecksum(0)
tcpHdr.SetChecksum(^checksum.Checksum(tcpHdr.Payload(), tcpHdr.CalculateChecksum(
header.PseudoHeaderChecksum(header.TCPProtocolNumber, ipHdr.SourceAddress(), ipHdr.DestinationAddress(), ipHdr.PayloadLength()),
)))
@ -65,7 +64,6 @@ func (f *TCPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pac
ipHdr.SetDestinationAddress(ipHdr.SourceAddress())
ipHdr.SetSourceAddress(inet6LoopbackAddress)
tcpHdr := header.TCP(pkt.TransportHeader().Slice())
tcpHdr.SetChecksum(0)
tcpHdr.SetChecksum(^checksum.Checksum(tcpHdr.Payload(), tcpHdr.CalculateChecksum(
header.PseudoHeaderChecksum(header.TCPProtocolNumber, ipHdr.SourceAddress(), ipHdr.DestinationAddress(), ipHdr.PayloadLength()),
)))