From f31f8c1f3c786a2465000e0ae18b85238618475f Mon Sep 17 00:00:00 2001
From: Abtin Keshavarzian <abtink@google.com>
Date: Wed, 6 Feb 2019 08:42:37 -0800
Subject: [PATCH] [link-raw] handle get/set channel when LinkRaw is enabled
 (#3559)

This commit updates `otLinkGetChannel()` and `otLinkSetChannel()`
to handle the situation where raw-link mode is enabled.
---
 src/core/api/link_api.cpp | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/core/api/link_api.cpp b/src/core/api/link_api.cpp
index 6ad3dcadb..4930f2bf0 100644
--- a/src/core/api/link_api.cpp
+++ b/src/core/api/link_api.cpp
@@ -45,8 +45,20 @@ static void HandleEnergyScanResult(void *aContext, otEnergyScanResult *aResult);
 uint8_t otLinkGetChannel(otInstance *aInstance)
 {
     Instance &instance = *static_cast<Instance *>(aInstance);
+    uint8_t   channel;
 
-    return instance.GetThreadNetif().GetMac().GetPanChannel();
+#if OPENTHREAD_ENABLE_RAW_LINK_API
+    if (instance.GetLinkRaw().IsEnabled())
+    {
+        channel = instance.GetLinkRaw().GetChannel();
+    }
+    else
+#endif
+    {
+        channel = instance.GetThreadNetif().GetMac().GetPanChannel();
+    }
+
+    return channel;
 }
 
 otError otLinkSetChannel(otInstance *aInstance, uint8_t aChannel)
@@ -54,6 +66,14 @@ otError otLinkSetChannel(otInstance *aInstance, uint8_t aChannel)
     otError   error;
     Instance &instance = *static_cast<Instance *>(aInstance);
 
+#if OPENTHREAD_ENABLE_RAW_LINK_API
+    if (instance.GetLinkRaw().IsEnabled())
+    {
+        error = instance.GetLinkRaw().SetChannel(aChannel);
+        ExitNow();
+    }
+#endif
+
     VerifyOrExit(instance.GetThreadNetif().GetMle().GetRole() == OT_DEVICE_ROLE_DISABLED,
                  error = OT_ERROR_INVALID_STATE);