115 lines
5.3 KiB
C
115 lines
5.3 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
|
|
*
|
|
* 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.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
/*****************************************************************************
|
|
|
|
Version 0.1
|
|
|
|
Date 2012/09/27
|
|
|
|
Product NAS stack
|
|
|
|
Subsystem EPS Session Management
|
|
|
|
Author Frederic Maurel, Sebastien Roux
|
|
|
|
Description Defines identifiers of the EPS Session Management messages
|
|
|
|
*****************************************************************************/
|
|
#ifndef __ESM_MSGDEF_H__
|
|
#define __ESM_MSGDEF_H__
|
|
|
|
#include <stdint.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
/****************************************************************************/
|
|
/********************* G L O B A L C O N S T A N T S *******************/
|
|
/****************************************************************************/
|
|
|
|
/* Header length boundaries of EPS Session Management messages */
|
|
#define ESM_HEADER_LENGTH sizeof(esm_msg_header_t)
|
|
#define ESM_HEADER_MINIMUM_LENGTH ESM_HEADER_LENGTH
|
|
#define ESM_HEADER_MAXIMUM_LENGTH ESM_HEADER_LENGTH
|
|
|
|
/* Message identifiers for EPS Session Management */
|
|
# define ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST 0b11000001 /* 193 = 0xc1 */
|
|
# define ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT 0b11000010 /* 194 = 0xc2 */
|
|
# define ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REJECT 0b11000011 /* 195 = 0xc3 */
|
|
# define ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST 0b11000101 /* 197 = 0xc5 */
|
|
# define ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT 0b11000110 /* 198 = 0xc6 */
|
|
# define ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REJECT 0b11000111 /* 199 = 0xc7 */
|
|
# define MODIFY_EPS_BEARER_CONTEXT_REQUEST 0b11001001 /* 201 = 0xc9 */
|
|
# define MODIFY_EPS_BEARER_CONTEXT_ACCEPT 0b11001010 /* 202 = 0xca */
|
|
# define MODIFY_EPS_BEARER_CONTEXT_REJECT 0b11001011 /* 203 = 0xcb */
|
|
# define DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST 0b11001101 /* 205 = 0xcd */
|
|
# define DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT 0b11001110 /* 206 = 0xce */
|
|
# define PDN_CONNECTIVITY_REQUEST 0b11010000 /* 208 = 0xd0 */
|
|
# define PDN_CONNECTIVITY_REJECT 0b11010001 /* 209 = 0xd1 */
|
|
# define PDN_DISCONNECT_REQUEST 0b11010010 /* 210 = 0xd2 */
|
|
# define PDN_DISCONNECT_REJECT 0b11010011 /* 211 = 0xd3 */
|
|
# define BEARER_RESOURCE_ALLOCATION_REQUEST 0b11010100 /* 212 = 0xd4 */
|
|
# define BEARER_RESOURCE_ALLOCATION_REJECT 0b11010101 /* 213 = 0xd5 */
|
|
# define BEARER_RESOURCE_MODIFICATION_REQUEST 0b11010110 /* 214 = 0xd6 */
|
|
# define BEARER_RESOURCE_MODIFICATION_REJECT 0b11010111 /* 215 = 0xd7 */
|
|
# define ESM_INFORMATION_REQUEST 0b11011001 /* 217 = 0xd9 */
|
|
# define ESM_INFORMATION_RESPONSE 0b11011010 /* 218 = 0xda */
|
|
# define ESM_STATUS 0b11101000 /* 232 = 0xe8 */
|
|
|
|
/****************************************************************************/
|
|
/************************ G L O B A L T Y P E S ************************/
|
|
/****************************************************************************/
|
|
|
|
/*
|
|
* Header of EPS Session Management plain NAS message
|
|
* --------------------------------------------------
|
|
* 8 7 6 5 4 3 2 1
|
|
* +-----------------------+------------------------+
|
|
* | EPS bearer identity | Protocol discriminator |
|
|
* +-----------------------+------------------------+
|
|
* | Procedure transaction identity |
|
|
* +-----------------------+------------------------+
|
|
* | Message type |
|
|
* +-----------------------+------------------------+
|
|
*/
|
|
typedef struct {
|
|
#ifdef __LITTLE_ENDIAN_BITFIELD
|
|
uint8_t protocol_discriminator:4;
|
|
uint8_t eps_bearer_identity:4;
|
|
#endif
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint8_t eps_bearer_identity:4;
|
|
uint8_t protocol_discriminator:4;
|
|
#endif
|
|
uint8_t procedure_transaction_identity;
|
|
uint8_t message_type;
|
|
} __attribute__((__packed__)) esm_msg_header_t;
|
|
|
|
/****************************************************************************/
|
|
/******************** G L O B A L V A R I A B L E S ********************/
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/****************** E X P O R T E D F U N C T I O N S ******************/
|
|
/****************************************************************************/
|
|
|
|
#endif /* __ESM_MSGDEF_H__ */
|
|
|