device: get rid of nonce routine

This moves to a simple queue with no routine processing it, to reduce
scheduler pressure.

This splits latency in half!

benchmark                  old ns/op     new ns/op     delta
BenchmarkThroughput-16     2394          2364          -1.25%
BenchmarkLatency-16        259652        120810        -53.47%

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/device/queueconstants_default.go b/device/queueconstants_default.go
index 18f0bea..52a199d 100644
--- a/device/queueconstants_default.go
+++ b/device/queueconstants_default.go
@@ -8,6 +8,7 @@
 package device
 
 const (
+	QueueStagedSize            = 128
 	QueueOutboundSize          = 1024
 	QueueInboundSize           = 1024
 	QueueHandshakeSize         = 1024