diff --git a/include/common/common_proc_info.h b/include/common/common_proc_info.h
new file mode 100644
index 0000000..d390878
--- /dev/null
+++ b/include/common/common_proc_info.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2003-2018, Great Software Laboratory Pvt. Ltd.
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * 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.
+ */
+
+#ifndef __S11_COMMON_PROC_INFO_H_
+#define __S11_COMMON_PROC_INFO_H_
+
+#include "err_codes.h"
+#include "s1ap_structs.h"
+#include "s1ap_ie.h"
+#include "s11_structs.h"
+
+struct s1ap_common_req_Q_msg {
+    int             IE_type; 
+	int ue_idx;
+	int enb_fd;
+	int enb_s1ap_ue_id;
+	int mme_s1ap_ue_id;
+    enum s1ap_cn_domain cn_domain;
+    unsigned char imsi[BINARY_IMSI_LEN];
+	struct TAI      tai;//TODO: will be list of 16 TAI's for UE.
+	s1apCause_t cause;
+
+	unsigned long ueag_max_ul_bitrate;
+	unsigned long ueag_max_dl_bitrate;
+	struct fteid gtp_teid;
+	unsigned char sec_key[32];
+	unsigned char bearer_id;
+};
+
+struct s11_req_Q_msg {
+    int         IE_type; 
+	struct fteid s11_sgw_c_fteid;
+};
+
+struct s11_resp_Q_msg {
+    int         IE_type; 
+	int 		ue_idx;
+};
+
+enum s1ap_common_req_type
+{
+    S1AP_CTX_REL_REQ,
+    S1AP_CTX_REL_CMD,
+    S1AP_INIT_CTXT_SETUP_REQ,
+    S1AP_PAGING_REQ,
+    S1AP_REQ_UNKNOWN
+};
+
+enum s11_common_req_type
+{
+    S11_RABR_REQ,
+    S11_REQ_UNKNOWN
+};
+
+enum s11_common_resp_type
+{
+    S11_RABR_RESP,
+    S11_RESP_UNKNOWN
+};
+
+#define S1AP_COMMON_REQ_BUF_SIZE sizeof(struct s1ap_common_req_Q_msg)
+
+#define S11_COMM_REQ_STAGE_BUF_SIZE sizeof(struct s11_req_Q_msg)
+#define S11_COMM_RES_STAGE_BUF_SIZE sizeof(struct s11_resp_Q_msg)
+
+#endif /*__S11_COMMON_PROC_INFO_H_*/
+