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authorAndrei Vagin <avagin@google.com>2018-12-28 11:26:01 -0800
committerShentubot <shentubot@google.com>2018-12-28 11:27:14 -0800
commit652d068119052b0b3bc4a0808a4400a22380a30b (patch)
treef5a617063151ffb9563ebbcd3189611e854952db /pkg/tcpip/tcpip.go
parenta3217b71723a93abb7a2aca535408ab84d81ac2f (diff)
Implement SO_REUSEPORT for TCP and UDP sockets
This option allows multiple sockets to be bound to the same port. Incoming packets are distributed to sockets using a hash based on source and destination addresses. This means that all packets from one sender will be received by the same server socket. PiperOrigin-RevId: 227153413 Change-Id: I59b6edda9c2209d5b8968671e9129adb675920cf
Diffstat (limited to 'pkg/tcpip/tcpip.go')
-rw-r--r--pkg/tcpip/tcpip.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index 627786808..7d4fbe075 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -436,6 +436,10 @@ type CorkOption int
// should allow reuse of local address.
type ReuseAddressOption int
+// ReusePortOption is used by SetSockOpt/GetSockOpt to permit multiple sockets
+// to be bound to an identical socket address.
+type ReusePortOption int
+
// QuickAckOption is stubbed out in SetSockOpt/GetSockOpt.
type QuickAckOption int