/***************************************************************************** Eurecom OpenAirInterface 3 Copyright(c) 2012 Eurecom Version 0.1 Date 2012/09/27 Product NAS stack Subsystem EPS Mobility Management Author Frederic Maurel, Sebastien Roux Description Defines identifiers of the EPS Mobility Management messages. *****************************************************************************/ #ifndef __EMM_MSGDEF_H__ #define __EMM_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 Mobility Management messages */ #define EMM_HEADER_LENGTH sizeof(emm_msg_header_t) #define EMM_HEADER_MINIMUM_LENGTH EMM_HEADER_LENGTH #define EMM_HEADER_MAXIMUM_LENGTH EMM_HEADER_LENGTH /* Protocol discriminator identifier for EPS Mobility Management */ #define EPS_MOBILITY_MANAGEMENT_MESSAGE 0x7 /* EPS Mobility Management Security header type */ #define SECURITY_HEADER_TYPE_NOT_PROTECTED 0b0000 #define SECURITY_HEADER_TYPE_INTEGRITY_PROTECTED 0b0001 #define SECURITY_HEADER_TYPE_INTEGRITY_PROTECTED_CYPHERED 0b0010 #define SECURITY_HEADER_TYPE_INTEGRITY_PROTECTED_NEW 0b0011 #define SECURITY_HEADER_TYPE_INTEGRITY_PROTECTED_CYPHERED_NEW 0b0100 #define SECURITY_HEADER_TYPE_SERVICE_REQUEST 0b1100 /* Message identifiers for EPS Mobility Management */ # define ATTACH_REQUEST 0b01000001 /* 65 = 0x41 */ # define ATTACH_ACCEPT 0b01000010 /* 66 = 0x42 */ # define ATTACH_COMPLETE 0b01000011 /* 67 = 0x43 */ # define ATTACH_REJECT 0b01000100 /* 68 = 0x44 */ # define DETACH_REQUEST 0b01000101 /* 69 = 0x45 */ # define DETACH_ACCEPT 0b01000110 /* 70 = 0x46 */ # define TRACKING_AREA_UPDATE_REQUEST 0b01001000 /* 72 = 0x48 */ # define TRACKING_AREA_UPDATE_ACCEPT 0b01001001 /* 73 = 0x49 */ # define TRACKING_AREA_UPDATE_COMPLETE 0b01001010 /* 74 = 0x4a */ # define TRACKING_AREA_UPDATE_REJECT 0b01001011 /* 75 = 0x4b */ # define EXTENDED_SERVICE_REQUEST 0b01001100 /* 76 = 0x4c */ # define SERVICE_REJECT 0b01001110 /* 78 = 0x4e */ # define GUTI_REALLOCATION_COMMAND 0b01010000 /* 80 = 0x50 */ # define GUTI_REALLOCATION_COMPLETE 0b01010001 /* 81 = 0x51 */ # define AUTHENTICATION_REQUEST 0b01010010 /* 82 = 0x52 */ # define AUTHENTICATION_RESPONSE 0b01010011 /* 83 = 0x53 */ # define AUTHENTICATION_REJECT 0b01010100 /* 84 = 0x54 */ # define AUTHENTICATION_FAILURE 0b01011100 /* 92 = 0x5c */ # define IDENTITY_REQUEST 0b01010101 /* 85 = 0x55 */ # define IDENTITY_RESPONSE 0b01010110 /* 86 = 0x56 */ # define SECURITY_MODE_COMMAND 0b01011101 /* 93 = 0x5d */ # define SECURITY_MODE_COMPLETE 0b01011110 /* 94 = 0x5e */ # define SECURITY_MODE_REJECT 0b01011111 /* 95 = 0x5f */ # define EMM_STATUS 0b01100000 /* 96 = 0x60 */ # define EMM_INFORMATION 0b01100001 /* 97 = 0x61 */ # define DOWNLINK_NAS_TRANSPORT 0b01100010 /* 98 = 0x62 */ # define UPLINK_NAS_TRANSPORT 0b01100011 /* 99 = 0x63 */ # define CS_SERVICE_NOTIFICATION 0b01100100 /* 100 = 0x64 */ /* * Message identifiers for EMM messages that does not follow the structure * of a standard layer 3 message */ # define SERVICE_REQUEST 0b01001101 /* TODO: TBD - 77 = 0x4d */ /****************************************************************************/ /************************ G L O B A L T Y P E S ************************/ /****************************************************************************/ /* * Header of EPS Mobility Management plain NAS message * --------------------------------------------------- * 8 7 6 5 4 3 2 1 * +-----------------------+------------------------+ * | Security header type | Protocol discriminator | * +-----------------------+------------------------+ * | Message type | * +-----------------------+------------------------+ */ typedef struct { #ifdef __LITTLE_ENDIAN_BITFIELD uint8_t protocol_discriminator:4; uint8_t security_header_type:4; #endif #ifdef __BIG_ENDIAN_BITFIELD uint8_t security_header_type:4; uint8_t protocol_discriminator:4; #endif uint8_t message_type; }__attribute__((__packed__)) emm_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 /* __EMM_MSGDEF_H__ */