Added support for wisun multicast

Fixed trickle define
Set MPL parameters for Wi-SUN multicast
Subscribe to site local all routers and all nodes address
Added trace for receving icmp echo packet

Author: Mika Tervonen

source/6LoWPAN/ws/ws_bootstrap.c

@@ -33,6 +33,7 @@
 #include "6LoWPAN/MAC/mac_data_poll.h"
 #include "6LoWPAN/MAC/mpx_api.h"
 #include "6LoWPAN/MAC/mac_ie_lib.h"
+#include "MPL/mpl.h"
 #include "6LoWPAN/ws/ws_common_defines.h"
 #include "6LoWPAN/ws/ws_config.h"
 #include "6LoWPAN/ws/ws_common.h"
@@ -64,11 +65,11 @@
 
 #ifdef HAVE_WS
 
-#define TRIGLE_IMIN_60_SECS (60 * 10) //
+#define TRICKLE_IMIN_60_SECS (60 * 10) //
 
 static const trickle_params_t trickle_params_pan_discovery = {
-    .Imin = TRIGLE_IMIN_60_SECS,         /* 60 second; ticks are 1s */
-    .Imax = TRIGLE_IMIN_60_SECS << 4,      /* 960 seconds 16 min*/
+    .Imin = TRICKLE_IMIN_60_SECS,         /* 60 second; ticks are 1s */
+    .Imax = TRICKLE_IMIN_60_SECS << 4,      /* 960 seconds 16 min*/
     .k = 1,             /* 1 */
     .TimerExpirations = TRICKLE_EXPIRATIONS_INFINITE
 };
@@ -596,6 +597,7 @@ static int8_t ws_bootstrap_up(protocol_interface_info_entry_t *cur)
     if (ret_val) {
         goto cleanup;
     }
+
     /* Disable SLLAO send/mandatory receive with the ARO */
     cur->ipv6_neighbour_cache.use_eui64_as_slla_in_aro = true;
     /* Omit sending of NA if ARO SUCCESS */
@@ -1326,6 +1328,25 @@ int ws_bootstrap_init(int8_t interface_id, net_6lowpan_mode_e bootstrap_mode)
     set_req.value_size = sizeof(bool);
     cur->mac_api->mlme_req(cur->mac_api, MLME_SET, &set_req);
 
+    // Set the default parameters for MPL
+    cur->mpl_proactive_forwarding = true;
+
+    cur->mpl_data_trickle_params.Imin = MPL_MS_TO_TICKS(DATA_MESSAGE_IMIN);
+    cur->mpl_data_trickle_params.Imax = MPL_MS_TO_TICKS(DATA_MESSAGE_IMAX);
+    cur->mpl_data_trickle_params.TimerExpirations = DATA_MESSAGE_TIMER_EXPIRATIONS;
+    cur->mpl_data_trickle_params.k = 8;
+
+    // Specification is ruling out the compression mode, but we are now doing it.
+    cur->mpl_seed = true;
+    cur->mpl_seed_id_mode = MULTICAST_MPL_SEED_ID_IPV6_SRC_FOR_DOMAIN;
+    cur->mpl_seed_set_entry_lifetime = MPL_SEED_SET_ENTRY_TIMEOUT;
+
+    cur->mpl_control_trickle_params.TimerExpirations = 0;
+
+    mpl_domain_create(cur, ADDR_ALL_MPL_FORWARDERS, NULL, MULTICAST_MPL_SEED_ID_DEFAULT, -1, 0, NULL, NULL);
+    addr_add_group(cur, ADDR_REALM_LOCAL_ALL_NODES);
+    addr_add_group(cur, ADDR_REALM_LOCAL_ALL_ROUTERS);
+
     return 0;
 
     //Error handling and free memory

source/6LoWPAN/ws/ws_config.h

@@ -81,4 +81,15 @@ extern int8_t DEVICE_MIN_SENS;
  */
 #define PCS_MAX 5
 
+
+/* Multicast MPL data message parameters
+ * IMIN = 10 seconds, IMAX = 3 doublings
+ */
+
+#define DATA_MESSAGE_IMIN (10 * 1000)
+#define DATA_MESSAGE_TIMER_EXPIRATIONS 3
+#define DATA_MESSAGE_IMAX (DATA_MESSAGE_IMIN)
+#define MPL_SEED_SET_ENTRY_TIMEOUT (DATA_MESSAGE_IMAX * 24 * 4 / 1000) // 10 seconds per hop making this 240 seconds
+
+
  #endif /* WS_CONFIG_H_ */