122 lines
5.5 KiB
C
122 lines
5.5 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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/*****************************************************************************
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Version 0.1
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Date 2012/09/27
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Product NAS stack
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Subsystem EPS Session Management
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Author Frederic Maurel, Sebastien Roux
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Description Defines identifiers of the EPS Session Management messages
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*****************************************************************************/
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#ifndef __ESM_MSGDEF_H__
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#define __ESM_MSGDEF_H__
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#include <stdint.h>
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#include <asm/byteorder.h>
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/****************************************************************************/
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/********************* G L O B A L C O N S T A N T S *******************/
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/****************************************************************************/
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/* Header length boundaries of EPS Session Management messages */
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#define ESM_HEADER_LENGTH sizeof(esm_msg_header_t)
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#define ESM_HEADER_MINIMUM_LENGTH ESM_HEADER_LENGTH
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#define ESM_HEADER_MAXIMUM_LENGTH ESM_HEADER_LENGTH
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/* Message identifiers for EPS Session Management */
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# define ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST 0b11000001 /* 193 = 0xc1 */
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# define ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT 0b11000010 /* 194 = 0xc2 */
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# define ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REJECT 0b11000011 /* 195 = 0xc3 */
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# define ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST 0b11000101 /* 197 = 0xc5 */
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# define ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT 0b11000110 /* 198 = 0xc6 */
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# define ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REJECT 0b11000111 /* 199 = 0xc7 */
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# define MODIFY_EPS_BEARER_CONTEXT_REQUEST 0b11001001 /* 201 = 0xc9 */
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# define MODIFY_EPS_BEARER_CONTEXT_ACCEPT 0b11001010 /* 202 = 0xca */
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# define MODIFY_EPS_BEARER_CONTEXT_REJECT 0b11001011 /* 203 = 0xcb */
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# define DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST 0b11001101 /* 205 = 0xcd */
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# define DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT 0b11001110 /* 206 = 0xce */
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# define PDN_CONNECTIVITY_REQUEST 0b11010000 /* 208 = 0xd0 */
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# define PDN_CONNECTIVITY_REJECT 0b11010001 /* 209 = 0xd1 */
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# define PDN_DISCONNECT_REQUEST 0b11010010 /* 210 = 0xd2 */
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# define PDN_DISCONNECT_REJECT 0b11010011 /* 211 = 0xd3 */
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# define BEARER_RESOURCE_ALLOCATION_REQUEST 0b11010100 /* 212 = 0xd4 */
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# define BEARER_RESOURCE_ALLOCATION_REJECT 0b11010101 /* 213 = 0xd5 */
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# define BEARER_RESOURCE_MODIFICATION_REQUEST 0b11010110 /* 214 = 0xd6 */
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# define BEARER_RESOURCE_MODIFICATION_REJECT 0b11010111 /* 215 = 0xd7 */
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# define ESM_INFORMATION_REQUEST 0b11011001 /* 217 = 0xd9 */
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# define ESM_INFORMATION_RESPONSE 0b11011010 /* 218 = 0xda */
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# define ESM_STATUS 0b11101000 /* 232 = 0xe8 */
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/****************************************************************************/
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/************************ G L O B A L T Y P E S ************************/
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/****************************************************************************/
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/*
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* Header of EPS Session Management plain NAS message
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* --------------------------------------------------
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* 8 7 6 5 4 3 2 1
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* +-----------------------+------------------------+
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* | EPS bearer identity | Protocol discriminator |
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* +-----------------------+------------------------+
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* | Procedure transaction identity |
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* +-----------------------+------------------------+
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* | Message type |
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* +-----------------------+------------------------+
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*/
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typedef struct {
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#ifdef __LITTLE_ENDIAN_BITFIELD
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uint8_t protocol_discriminator:4;
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uint8_t eps_bearer_identity:4;
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#endif
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#ifdef __BIG_ENDIAN_BITFIELD
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uint8_t eps_bearer_identity:4;
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uint8_t protocol_discriminator:4;
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#endif
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uint8_t procedure_transaction_identity;
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uint8_t message_type;
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} __attribute__((__packed__)) esm_msg_header_t;
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/****************************************************************************/
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/******************** G L O B A L V A R I A B L E S ********************/
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/****************************************************************************/
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/****************************************************************************/
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/****************** E X P O R T E D F U N C T I O N S ******************/
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/****************************************************************************/
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#endif /* __ESM_MSGDEF_H__ */
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