From 591bc7da1f21d20d0c6daf0330da8de02926a3d5 Mon Sep 17 00:00:00 2001
From: Kimmo Vaisanen <kimmo.vaisanen@arm.com>
Date: Fri, 16 Feb 2018 15:37:44 +0200
Subject: [PATCH] Add the possibility to set the default antenna gain.

---
 features/lorawan/lorastack/mac/LoRaMacMib.cpp    | 10 ++++++++++
 .../lorawan/system/lorawan_data_structures.h     | 16 +++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/features/lorawan/lorastack/mac/LoRaMacMib.cpp b/features/lorawan/lorastack/mac/LoRaMacMib.cpp
index b80ddcf2d4..98bda6471d 100644
--- a/features/lorawan/lorastack/mac/LoRaMacMib.cpp
+++ b/features/lorawan/lorastack/mac/LoRaMacMib.cpp
@@ -241,6 +241,11 @@ lorawan_status_t LoRaMacMib::set_request(loramac_mib_req_confirm_t *mibSet,
             params->sys_params.antenna_gain = mibSet->param.antenna_gain;
             break;
         }
+        case MIB_DEFAULT_ANTENNA_GAIN:
+        {
+            params->sys_params.antenna_gain = mibSet->param.default_antenna_gain;
+            break;
+        }
         default:
             status = LORAWAN_STATUS_SERVICE_UNKNOWN;
             break;
@@ -414,6 +419,11 @@ lorawan_status_t LoRaMacMib::get_request(loramac_mib_req_confirm_t *mibGet,
             mibGet->param.antenna_gain = params->sys_params.antenna_gain;
             break;
         }
+        case MIB_DEFAULT_ANTENNA_GAIN:
+        {
+            mibGet->param.default_antenna_gain = params->sys_params.antenna_gain;
+            break;
+        }
         default:
             status = LORAWAN_STATUS_SERVICE_UNKNOWN;
             break;
diff --git a/features/lorawan/system/lorawan_data_structures.h b/features/lorawan/system/lorawan_data_structures.h
index 4dfc9ebf65..af43aba4d3 100644
--- a/features/lorawan/system/lorawan_data_structures.h
+++ b/features/lorawan/system/lorawan_data_structures.h
@@ -1127,6 +1127,7 @@ typedef struct {
  * \ref MIB_SYSTEM_MAX_RX_ERROR      | YES | YES
  * \ref MIB_MIN_RX_SYMBOLS           | YES | YES
  * \ref MIB_ANTENNA_GAIN             | YES | YES
+ * \ref MIB_DEFAULT_ANTENNA_GAIN     | YES | YES
  *
  * The following table provides links to the function implementations of the
  * related MIB primitives:
@@ -1332,7 +1333,14 @@ typedef enum {
      * The formula is:
      * radioTxPower = ( int8_t )floor( maxEirp - antennaGain )
      */
-    MIB_ANTENNA_GAIN
+    MIB_ANTENNA_GAIN,
+    /*!
+     * Default antenna gain of the node. Default value is region specific.
+     * The antenna gain is used to calculate the TX power of the node.
+     * The formula is:
+     * radioTxPower = ( int8_t )floor( maxEirp - antennaGain )
+     */
+    MIB_DEFAULT_ANTENNA_GAIN
 } mib_type_t;
 
 /*!
@@ -1519,6 +1527,12 @@ typedef union {
      * Related MIB type: \ref MIB_ANTENNA_GAIN
      */
     float antenna_gain;
+    /*!
+     * Default antenna gain
+     *
+     * Related MIB type: \ref MIB_DEFAULT_ANTENNA_GAIN
+     */
+    float default_antenna_gain;
 } mib_params_t;
 
 /*!