diff options
| author | Mithun Iyer <iyerm@google.com> | 2020-04-16 17:57:06 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-04-16 17:58:08 -0700 |
| commit | 3b05f576d73be644daa17203d9ed64481c45b4a8 (patch) | |
| tree | d856cc675e646fbab32be15c2c3f32eaa48f27bc /pkg/tcpip/transport/tcp/protocol.go | |
| parent | b33c3bb4a73974bbae4274da5100a3cd3f5deef8 (diff) | |
Reset pending connections on listener shutdown.
When the listening socket is read shutdown, we need to reset all pending
and incoming connections. Ensure that the endpoint is not cleaned up
from the demuxer and subsequent bind to same port does not go through.
PiperOrigin-RevId: 306958038
Diffstat (limited to 'pkg/tcpip/transport/tcp/protocol.go')
| -rw-r--r-- | pkg/tcpip/transport/tcp/protocol.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/pkg/tcpip/transport/tcp/protocol.go b/pkg/tcpip/transport/tcp/protocol.go index effbf203f..cfd9a4e8e 100644 --- a/pkg/tcpip/transport/tcp/protocol.go +++ b/pkg/tcpip/transport/tcp/protocol.go @@ -223,12 +223,12 @@ func (*protocol) HandleUnknownDestinationPacket(r *stack.Route, id stack.Transpo return true } - replyWithReset(s) + replyWithReset(s, stack.DefaultTOS, s.route.DefaultTTL()) return true } // replyWithReset replies to the given segment with a reset segment. -func replyWithReset(s *segment) { +func replyWithReset(s *segment, tos, ttl uint8) { // Get the seqnum from the packet if the ack flag is set. seq := seqnum.Value(0) ack := seqnum.Value(0) @@ -252,8 +252,8 @@ func replyWithReset(s *segment) { } sendTCP(&s.route, tcpFields{ id: s.id, - ttl: s.route.DefaultTTL(), - tos: stack.DefaultTOS, + ttl: ttl, + tos: tos, flags: flags, seq: seq, ack: ack, |