diff options
Diffstat (limited to 'include/osmocom/gsm/gsup.h')
| -rw-r--r-- | include/osmocom/gsm/gsup.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h index a7fa8208..5f456991 100644 --- a/include/osmocom/gsm/gsup.h +++ b/include/osmocom/gsm/gsup.h @@ -82,6 +82,9 @@ enum osmo_gsup_iei { OSMO_GSUP_AUTS_IE = 0x26, OSMO_GSUP_RES_IE = 0x27, OSMO_GSUP_CN_DOMAIN_IE = 0x28, + + OSMO_GSUP_SESSION_ID_IE = 0x30, + OSMO_GSUP_SESSION_STATE_IE = 0x31, }; /*! GSUP message type */ @@ -132,6 +135,18 @@ enum osmo_gsup_cn_domain { OSMO_GSUP_CN_DOMAIN_CS = 2, }; +/*! TCAP-like session state */ +enum osmo_gsup_session_state { + /*! Undefined session state */ + OSMO_GSUP_SESSION_STATE_NONE = 0x00, + /*! Initiation of a new session */ + OSMO_GSUP_SESSION_STATE_BEGIN = 0x01, + /*! Communication of an existing session */ + OSMO_GSUP_SESSION_STATE_CONTINUE = 0x02, + /*! Indication of the session end */ + OSMO_GSUP_SESSION_STATE_END = 0x03, +}; + /*! parsed/decoded PDP context information */ struct osmo_gsup_pdp_info { unsigned int context_id; @@ -176,6 +191,12 @@ struct osmo_gsup_message { enum osmo_gsup_cn_domain cn_domain; const uint8_t *pdp_charg_enc; size_t pdp_charg_enc_len; + + /*! Session state \ref osmo_gsup_session_state */ + enum osmo_gsup_session_state session_state; + /*! Unique session identifier and origination flag. + * Encoded only when \ref session_state != 0x00 */ + uint32_t session_id; }; int osmo_gsup_decode(const uint8_t *data, size_t data_len, |