diff options
Diffstat (limited to 'pkg/tcpip/transport/tcp/accept.go')
| -rw-r--r-- | pkg/tcpip/transport/tcp/accept.go | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/pkg/tcpip/transport/tcp/accept.go b/pkg/tcpip/transport/tcp/accept.go index e4cc1b9f1..df1634a7a 100644 --- a/pkg/tcpip/transport/tcp/accept.go +++ b/pkg/tcpip/transport/tcp/accept.go @@ -602,7 +602,7 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) tcpip.Err synOpts := header.TCPSynOptions{ WS: -1, TS: opts.TS, - TSVal: tcpTimeStamp(e.stack.Clock().NowMonotonic(), timeStampOffset(e.stack.Rand())), + TSVal: tcpTimeStamp(e.stack.Clock().NowMonotonic(), timeStampOffset(e.protocol.tsOffsetSecret, s.dstAddr, s.srcAddr)), TSEcr: opts.TSVal, MSS: calculateAdvertisedMSS(e.userMSS, route), } @@ -728,11 +728,9 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) tcpip.Err n.isRegistered = true - // clear the tsOffset for the newly created - // endpoint as the Timestamp was already - // randomly offset when the original SYN-ACK was - // sent above. - n.TSOffset = 0 + // Reset the tsOffset for the newly created endpoint to the one + // that we have used in SYN-ACK in order to calculate RTT. + n.TSOffset = timeStampOffset(e.protocol.tsOffsetSecret, s.dstAddr, s.srcAddr) // Switch state to connected. n.isConnectNotified = true |