From f56d6a9ca868435fd7cd60230ccabdea7f7d10f2 Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@nestlabs.com>
Date: Thu, 6 Jul 2017 09:58:56 -0700
Subject: [PATCH] Save Data Sequence Number on indirect tx, regardless of sec
 mode. (#1959)

---
 src/core/thread/mesh_forwarder.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/thread/mesh_forwarder.cpp b/src/core/thread/mesh_forwarder.cpp
index 551d2f447..518691731 100644
--- a/src/core/thread/mesh_forwarder.cpp
+++ b/src/core/thread/mesh_forwarder.cpp
@@ -1520,6 +1520,8 @@ void MeshForwarder::HandleSentFrame(Mac::Frame &aFrame, otError aError)
                     // of the frame following the receipt of a data request command (data
                     // poll) from the sleepy child.
 
+                    child->SetIndirectDataSequenceNumber(aFrame.GetSequence());
+
                     if (aFrame.GetSecurityEnabled())
                     {
                         uint32_t frameCounter;
@@ -1530,8 +1532,6 @@ void MeshForwarder::HandleSentFrame(Mac::Frame &aFrame, otError aError)
 
                         aFrame.GetKeyId(keyId);
                         child->SetIndirectKeyId(keyId);
-
-                        child->SetIndirectDataSequenceNumber(aFrame.GetSequence());
                     }
 
                     ExitNow();