From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Fri, 24 May 2019 11:48:03 +0000 (+0200)
Subject: device: timers: add jitter on ack failure reinitiation
X-Git-Tag: 0.0.20190805~64
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f70546bc2e5888de0530dfd0f97d8556a98bba68;p=thirdparty%2Fwireguard-go.git

device: timers: add jitter on ack failure reinitiation
---

diff --git a/device/timers.go b/device/timers.go
index 5f28fcc..18ee736 100644
--- a/device/timers.go
+++ b/device/timers.go
@@ -147,7 +147,7 @@ func expiredPersistentKeepalive(peer *Peer) {
 /* Should be called after an authenticated data packet is sent. */
 func (peer *Peer) timersDataSent() {
 	if peer.timersActive() && !peer.timers.newHandshake.IsPending() {
-		peer.timers.newHandshake.Mod(KeepaliveTimeout + RekeyTimeout)
+		peer.timers.newHandshake.Mod(KeepaliveTimeout + RekeyTimeout + time.Millisecond*time.Duration(rand.Int31n(RekeyTimeoutJitterMaxMs)))
 	}
 }