Merge pull request #3158 from mikaleppanen/6lowpan_panid_filter

Add support for 6lowpan PAN ID filter to mbed mesh api configuration

Author: 0xc0170

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/README.md

@@ -54,6 +54,7 @@ An example of the configuration file:
 | 6lowpan-nd-channel-mask    | number [0-0x07fff800] | Channel mask, bit-mask of channels to use |
 | 6lowpan-nd-channel-page   | number [0, 2] | 0 for 2,4 GHz and 2 for sub-GHz radios |
 | 6lowpan-nd-channel        | number [0-27] | RF channel to use when `channel_mask` is not defined |
+| 6lowpan-nd-panid-filter | number [0-0xffff] | Beacon PAN ID filter, 0xffff means no filtering |
 | 6lowpan-nd-security-mode | "NONE" or "PSK" | To use either no security, or Pre shared network key |
 | 6lowpan-nd-psk-key-id | number | PSK key id when PSK is enabled |
 | 6lowpan-nd-psk-key | byte array [16] | Pre shared network key |

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/mbed_lib.json

@@ -5,6 +5,7 @@
         "6lowpan-nd-channel-mask": "(1<<12)",
         "6lowpan-nd-channel-page": 0,
         "6lowpan-nd-channel": 12,
+        "6lowpan-nd-panid-filter": "0xffff",
         "6lowpan-nd-security-mode": "NONE",
         "6lowpan-nd-psk-key-id": 1,
         "6lowpan-nd-psk-key": "{0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf}",

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/source/include/static_config.h

@@ -100,6 +100,12 @@ extern "C" {
 #define MBED_MESH_API_6LOWPAN_ND_SEC_LEVEL 5
 #endif
 
+#if defined MBED_CONF_MBED_MESH_API_6LOWPAN_ND_PANID_FILTER
+#define MBED_MESH_API_6LOWPAN_ND_PANID_FILTER MBED_CONF_MBED_MESH_API_6LOWPAN_ND_PANID_FILTER
+#else
+#define MBED_MESH_API_6LOWPAN_ND_PANID_FILTER 0xffff
+#endif
+
 /* Thread configuration */
 // PSKd, must be longer than 6
 #ifdef YOTTA_CFG_MBED_MESH_API_THREAD_PSKD

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/source/nd_tasklet.c

@@ -263,6 +263,10 @@ void nd_tasklet_configure_and_connect_to_network(void)
     arm_nwk_6lowpan_link_nwk_id_filter_for_nwk_scan(
         tasklet_data_ptr->network_interface_id, NULL);
 
+    arm_nwk_6lowpan_link_panid_filter_for_nwk_scan(
+         tasklet_data_ptr->network_interface_id,
+         MBED_MESH_API_6LOWPAN_ND_PANID_FILTER);
+
     status = arm_nwk_interface_up(tasklet_data_ptr->network_interface_id);
     if (status >= 0) {
         tasklet_data_ptr->tasklet_state = TASKLET_STATE_BOOTSTRAP_STARTED;