diff options
| author | Tamir Duberstein <tamird@google.com> | 2018-09-05 11:47:21 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-09-05 11:48:23 -0700 |
| commit | bc5e18c9d1004ee324a794446416a6b108999b9c (patch) | |
| tree | c17a369779942637d7a13f97c84901776f2e0877 /pkg/tcpip/transport/tcp/snd.go | |
| parent | 2b8dae0bc5594f7088dd028268efaedbb5a72507 (diff) | |
Implement TCP keepalives
PiperOrigin-RevId: 211670620
Change-Id: Ia8a3d8ae53a7fece1dee08ee9c74964bd7f71bb7
Diffstat (limited to 'pkg/tcpip/transport/tcp/snd.go')
| -rw-r--r-- | pkg/tcpip/transport/tcp/snd.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/snd.go b/pkg/tcpip/transport/tcp/snd.go index 096ea9cd4..e4fa89912 100644 --- a/pkg/tcpip/transport/tcp/snd.go +++ b/pkg/tcpip/transport/tcp/snd.go @@ -435,6 +435,10 @@ func (s *sender) sendData() { if !s.resendTimer.enabled() && s.sndUna != s.sndNxt { s.resendTimer.enable(s.rto) } + // If we have no more pending data, start the keepalive timer. + if s.sndUna == s.sndNxt { + s.ep.resetKeepaliveTimer(false) + } } func (s *sender) enterFastRecovery() { |