--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-fad/tcpip/socket_int.h	Sun Jul 15 04:40:46 2018 +0000
@@ -0,0 +1,71 @@
+/* 
++------------------------------------------------------------------------------
+|  File:       socket_int.h
++------------------------------------------------------------------------------
+|  Copyright 2002 Texas Instruments Berlin, AG 
+|                 All rights reserved. 
+| 
+|                 This file is confidential and a trade secret of Texas 
+|                 Instruments Berlin, AG 
+|                 The receipt of or possession of this file does not convey 
+|                 any rights to reproduce or disclose its contents or to 
+|                 manufacture, use, or sell anything it may describe, in 
+|                 whole, or in part, without the specific written consent of 
+|                 Texas Instruments Berlin, AG. 
++----------------------------------------------------------------------------- 
+|  Purpose :      Socket specific definitions
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef __SOCKET_INT_H__
+#define __SOCKET_INT_H__
+
+
+/*
+ * Flow control enum type
+ */
+typedef enum {
+  SOCK_FLOW_XON = 0,
+  SOCK_FLOW_XOFF
+} T_XONOFF_VAL;
+
+/*
+ * struct prototypes for internal data
+ */
+struct T_SOCK_API_INSTANCE_DATA_TAG;
+struct T_SOCK_SOCKET_DATA_TAG;
+
+/*
+ * Socket API instance data structure
+ */
+typedef struct T_SOCK_API_INSTANCE_DATA_TAG
+{
+  T_HANDLE app_handle;     /* Application Handle */
+  T_HANDLE hCommAPP;       /* Communivation Handle of the Application */
+  T_HANDLE hCommTCPIP;     /* Communication Handle of the TCPIP entity */
+  T_HANDLE hCommDCM;       /* Communication Handle of the DCM entity */
+  void*         context;   /* application context pointer */
+  T_SOCK_CALLBACK callback;  /* applicatin callback function */
+  struct T_SOCK_SOCKET_DATA_TAG*  socket_data; /* pointer to linked list of Socket Data */
+} T_SOCK_API_INSTANCE_DATA;
+
+
+/*
+ * Socket data structure
+ */
+typedef struct T_SOCK_SOCKET_DATA_TAG
+{
+  struct T_SOCK_SOCKET_DATA_TAG*        next_socket_data; /* pointer to next Socket Data structure */
+  struct T_SOCK_API_INSTANCE_DATA_TAG*  api_data;         /* pointer to Instance Data structure */
+  U32                                   tcpip_socket;     /* Socket value from TCPIP entity */
+  T_SOCK_CALLBACK                       callback;         /* application callback function */
+  void*                                 context;          /* application context pointer */
+  T_XONOFF_VAL                          rx_flow_control;  /* status of RX flow control */
+  T_XONOFF_VAL                          tx_flow_control;  /* status of TX flow control */
+  U32                                   rx_window;        /* window size for data reception */
+  U32                                   tx_window;        /* window size for data transmission */
+  T_SOCK_RECV_IND                       recv_ind;         /* buffer for received data */
+} T_SOCK_SOCKET_DATA;
+
+#endif  /* __SOCKET_INT_H__ */
+