From 839dd97008bacf526c05afa542e67c94f8b399ea Mon Sep 17 00:00:00 2001
From: Nayana Bidari <nybidari@google.com>
Date: Fri, 13 Nov 2020 13:57:02 -0800
Subject: RACK: Detect DSACK

Detect if the ACK is a duplicate and update in RACK.

PiperOrigin-RevId: 342332569
---
 pkg/tcpip/stack/stack.go | 1 +
 1 file changed, 1 insertion(+)

(limited to 'pkg/tcpip/stack')

diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index ca9f41af4..e0025e0a9 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -82,6 +82,7 @@ type TCPRACKState struct {
 	FACK        seqnum.Value
 	RTT         time.Duration
 	Reord       bool
+	DSACKSeen   bool
 }
 
 // TCPEndpointID is the unique 4 tuple that identifies a given endpoint.
-- 
cgit v1.2.3