integrate RRC control socket

openair2/RRC/LITE/defs.h

@@ -47,6 +47,91 @@
 
 #include "LAYER2/MAC/defs.h"
 
+//TTN-for D2D
+#define CONTROL_SOCKET_PORT_NO 8888
+#define DEBUG_CTRL_SOCKET
+#define BUFSIZE 1024
+#define CONTROL_SOCKET_PORT_NO 8888
+
+//netlink
+//#define DEBUG_PDCP
+#define UE_IP_PDCP_NETLINK_ID 31
+#define PDCP_PID 1
+#define NETLINK_HEADER_SIZE 16
+#define SL_DEFAULT_RAB_ID     1
+#define SLRB_ID              11
+
+#define MAX_PAYLOAD 1024 /* maximum payload size*/
+
+#define UE_STATE_NOTIFICATION_INTERVAL      50
+
+#define IPV4_ADDR    "%u.%u.%u.%u"
+#define IPV4_ADDR_FORMAT(aDDRESS)                 \
+      (uint8_t)((aDDRESS)  & 0x000000ff),         \
+      (uint8_t)(((aDDRESS) & 0x0000ff00) >> 8 ),  \
+      (uint8_t)(((aDDRESS) & 0x00ff0000) >> 16),  \
+      (uint8_t)(((aDDRESS) & 0xff000000) >> 24)
+
+
+//-----------------------------------------------------
+// header for Control socket
+
+//Primitives
+#define SESSION_INIT_REQ                    1
+#define UE_STATUS_INFO                      2
+#define GROUP_COMMUNICATION_ESTABLISH_REQ   3
+#define GROUP_COMMUNICATION_ESTABLISH_RSP   4
+#define DIRECT_COMMUNICATION_ESTABLISH_REQ  5
+#define DIRECT_COMMUNICATION_ESTABLISH_RSP  6
+#define GROUP_COMMUNICATION_RELEASE_REQ     7
+#define GROUP_COMMUNICATION_RELEASE_RSP     8
+
+typedef enum {
+   UE_STATE_OFF_NETWORK,
+   UE_STATE_ON_NETWORK
+} SL_UE_STATE_t;
+
+typedef enum {
+   GROUP_COMMUNICATION_RELEASE_OK = 0,
+   GROUP_COMMUNICATION_RELEASE_FAILURE
+} Group_Communication_Status_t;
+
+struct GroupCommunicationEstablishReq {
+   uint8_t type; //0 - rx, 1 - tx
+   uint32_t sourceL2Id;
+   uint32_t groupL2Id;
+   uint32_t groupIpAddress;
+   uint8_t pppp;
+};
+
+struct DirectCommunicationEstablishReq {
+   uint32_t sourceL2Id;
+   uint32_t destinationL2Id;
+};
+
+struct sidelink_ctrl_element {
+   unsigned short type;
+   union {
+      struct GroupCommunicationEstablishReq group_comm_establish_req;
+      struct DirectCommunicationEstablishReq direct_comm_estblish_req;
+      Group_Communication_Status_t group_comm_release_rsp;
+      //struct DirectCommunicationReleaseReq  direct_comm_release_req;
+      SL_UE_STATE_t ue_state;
+      int slrb_id;
+
+   } sidelinkPrimitive;
+};
+
+//global variables
+extern struct sockaddr_in clientaddr;
+extern int slrb_id;
+extern pthread_mutex_t slrb_mutex;
+
+//the thread function
+void *send_UE_status_notification(void *);
+
+//end TTN
+
 //#include "COMMON/openair_defs.h"
 #ifndef USER_MODE
 #include <rtai.h>

openair2/RRC/LITE/proto.h

@@ -180,6 +180,12 @@ void rrc_ue_process_sidelink_radioResourceConfig(
   SL_CommConfig_r12_t* sl_CommConfig,
   SL_DiscConfig_r12_t* sl_DiscConfig);
 
+/** \brief Init control socket to listen to incoming packets from ProSe App
+ *
+ */
+void
+rrc_control_socket_init();
+
 
 // eNB/CH RRC Procedures
 

targets/RT/USER/lte-softmodem-stub.c

@@ -96,6 +96,8 @@ unsigned short config_frames[4] = {2,9,11,13};
 #include "UTIL/OTG/otg_vars.h"
 #endif
 
+#define D2D_MODE
+
 #if defined(ENABLE_ITTI)
 #include "intertask_interface_init.h"
 #include "create_tasks.h"
@@ -1065,6 +1067,13 @@ int main( int argc, char **argv )
 #endif
 #endif
 
+//TTN for D2D
+#ifdef D2D_MODE
+  printf ("RRC control socket\n");
+  rrc_control_socket_init();
+#endif
+
+
 #if !defined(ENABLE_ITTI)
   // to make a graceful exit when ctrl-c is pressed
   signal(SIGSEGV, signal_handler);