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authorgVisor bot <gvisor-bot@google.com>2020-08-07 20:14:03 +0000
committergVisor bot <gvisor-bot@google.com>2020-08-07 20:14:03 +0000
commitab6990a3e9b978c17242fc8b8b6562429c21462e (patch)
treeb8af2bd981e1031f8f1bf310ccb7270f64c054e1 /pkg/tcpip
parent90071d4e7f86f9c452969ebc38a3a64c27e37bf0 (diff)
parent10c13bccaf5ec963b78f5e61629b4528ed9e9c6b (diff)
Merge release-20200804.0-40-g10c13bcca (automated)
Diffstat (limited to 'pkg/tcpip')
-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go11
-rw-r--r--pkg/tcpip/transport/tcp/protocol.go4
2 files changed, 6 insertions, 9 deletions
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index 39ea38fe6..b8b52b03d 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -1777,15 +1777,8 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
// Same as effectively disabling TCPLinger timeout.
v = 0
}
- var stkTCPLingerTimeout tcpip.TCPLingerTimeoutOption
- if err := e.stack.TransportProtocolOption(header.TCPProtocolNumber, &stkTCPLingerTimeout); err != nil {
- // We were unable to retrieve a stack config, just use
- // the DefaultTCPLingerTimeout.
- if v > tcpip.TCPLingerTimeoutOption(DefaultTCPLingerTimeout) {
- stkTCPLingerTimeout = tcpip.TCPLingerTimeoutOption(DefaultTCPLingerTimeout)
- }
- }
- // Cap it to the stack wide TCPLinger timeout.
+ // Cap it to MaxTCPLingerTimeout.
+ stkTCPLingerTimeout := tcpip.TCPLingerTimeoutOption(MaxTCPLingerTimeout)
if v > stkTCPLingerTimeout {
v = stkTCPLingerTimeout
}
diff --git a/pkg/tcpip/transport/tcp/protocol.go b/pkg/tcpip/transport/tcp/protocol.go
index d9abb8d94..2e5093b36 100644
--- a/pkg/tcpip/transport/tcp/protocol.go
+++ b/pkg/tcpip/transport/tcp/protocol.go
@@ -62,6 +62,10 @@ const (
// FIN_WAIT_2 state before being marked closed.
DefaultTCPLingerTimeout = 60 * time.Second
+ // MaxTCPLingerTimeout is the maximum amount of time that sockets
+ // linger in FIN_WAIT_2 state before being marked closed.
+ MaxTCPLingerTimeout = 120 * time.Second
+
// DefaultTCPTimeWaitTimeout is the amount of time that sockets linger
// in TIME_WAIT state before being marked closed.
DefaultTCPTimeWaitTimeout = 60 * time.Second