1 files changed, 39 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/snd_state.go b/pkg/tcpip/transport/tcp/snd_state.go
new file mode 100644
index 000000000..d68773a7c
--- /dev/null
+++ b/pkg/tcpip/transport/tcp/snd_state.go
@@ -0,0 +1,39 @@
+// Copyright 2018 The Netstack Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package tcp
+
+import (
+	"time"
+)
+
+type unixTime struct {
+	second int64
+	nano   int64
+}
+
+// saveLastSendTime is invoked by stateify.
+func (s *sender) saveLastSendTime() unixTime {
+	return unixTime{s.lastSendTime.Unix(), s.lastSendTime.UnixNano()}
+}
+
+// loadLastSendTime is invoked by stateify.
+func (s *sender) loadLastSendTime(unix unixTime) {
+	s.lastSendTime = time.Unix(unix.second, unix.nano)
+}
+
+// saveRttMeasureTime is invoked by stateify.
+func (s *sender) saveRttMeasureTime() unixTime {
+	return unixTime{s.rttMeasureTime.Unix(), s.rttMeasureTime.UnixNano()}
+}
+
+// loadRttMeasureTime is invoked by stateify.
+func (s *sender) loadRttMeasureTime(unix unixTime) {
+	s.rttMeasureTime = time.Unix(unix.second, unix.nano)
+}
+
+// afterLoad is invoked by stateify.
+func (s *sender) afterLoad() {
+	s.resendTimer.init(&s.resendWaker)
+}