Merge commit '233ec783c1b902af25f1376d6fcdc9f4b0bccf53' into nanostack_v15_1_0

* commit '233ec783c1b902af25f1376d6fcdc9f4b0bccf53':
  Squashed 'connectivity/drivers/802.15.4_RF/atmel-rf-driver/' changes from 834c5357c6..ccba775217

Author: artokin

connectivity/drivers/802.15.4_RF/atmel-rf-driver/CMakeLists.txt

@@ -1,5 +1,20 @@
-# Copyright (c) 2020 ARM Limited. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
+#################################################################################
+## Copyright 2020-2021 Pelion.
+##
+## SPDX-License-Identifier: Apache-2.0
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+##     http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+#################################################################################
 
 target_include_directories(mbed-802.15.4-rf
     INTERFACE

connectivity/drivers/802.15.4_RF/atmel-rf-driver/source/NanostackRfPhyAT86RF215.cpp

@@ -703,19 +703,20 @@ static void rf_handle_rx_done(void)
         rf_state = RF_IDLE;
     }
     if (rf_read_bbc_register(BBC_PC, rf_module) & FCSOK) {
-        if (!rf_read_rx_buffer(cur_rx_packet_len, rf_module)) {
+        uint16_t rx_packet_len = rf_read_rx_frame_length(rf_module);
+        if (!rf_read_rx_buffer(rx_packet_len, rf_module)) {
             uint8_t version = ((rx_buffer[1] & VERSION_FIELD_MASK) >> SHIFT_VERSION_FIELD);
             if (((rx_buffer[0] & MAC_FRAME_TYPE_MASK) == MAC_TYPE_ACK) && (version < MAC_FRAME_VERSION_2)) {
                 rf_handle_ack(rx_buffer[2], rx_buffer[0] & MAC_DATA_PENDING);
             } else {
                 int8_t rssi = (int8_t) rf_read_rf_register(RF_EDV, rf_module);
                 // Cut CRC bytes
                 if (mac_mode == IEEE_802_15_4_2011) {
-                    cur_rx_packet_len -= 2;
+                    rx_packet_len -= 2;
                 } else {
-                    cur_rx_packet_len -= 4;
+                    rx_packet_len -= 4;
                 }
-                device_driver.phy_rx_cb(rx_buffer, cur_rx_packet_len, 0xf0, rssi, rf_radio_driver_id);
+                device_driver.phy_rx_cb(rx_buffer, rx_packet_len, 0xf0, rssi, rf_radio_driver_id);
                 // If auto ack used, must wait until RF returns to RF_TXPREP state
                 if ((version != MAC_FRAME_VERSION_2) && (rx_buffer[0] & FC_AR)) {
                     wait_us(100);