From b515556519a44d4b6a23590e236bb4f30726b5bf Mon Sep 17 00:00:00 2001
From: Ian Gudger <igudger@google.com>
Date: Fri, 21 Dec 2018 13:12:32 -0800
Subject: Implement SO_KEEPALIVE, TCP_KEEPIDLE, and TCP_KEEPINTVL.

Within gVisor, plumb new socket options to netstack.

Within netstack, fix GetSockOpt and SetSockOpt return value logic.

PiperOrigin-RevId: 226532229
Change-Id: If40734e119eed633335f40b4c26facbebc791c74
---
 pkg/abi/linux/tcp.go | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'pkg/abi')

diff --git a/pkg/abi/linux/tcp.go b/pkg/abi/linux/tcp.go
index 7586ada42..67908deb9 100644
--- a/pkg/abi/linux/tcp.go
+++ b/pkg/abi/linux/tcp.go
@@ -52,3 +52,9 @@ const (
 	TCP_ZEROCOPY_RECEIVE     = 35
 	TCP_INQ                  = 36
 )
+
+// Socket constants from include/net/tcp.h.
+const (
+	MAX_TCP_KEEPIDLE  = 32767
+	MAX_TCP_KEEPINTVL = 32767
+)
-- 
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