libgb: separate header files related to spec and implementation

like in libosmogsm, we separate between header files that are just
reflecting information in the respective specs, and header files that
related to our specific implementation.

1 files changed, 144 insertions, 0 deletions

diff --git a/openbsc/include/osmocom/gprs/protocol/gsm_08_18.h b/openbsc/include/osmocom/gprs/protocol/gsm_08_18.h
new file mode 100644
index 000000000..3a351eaaf
--- /dev/null
+++ b/openbsc/include/osmocom/gprs/protocol/gsm_08_18.h
@@ -0,0 +1,144 @@
+#ifndef _OSMO_08_18_H
+#define _OSMO_08_18_H
+
+#include <stdint.h>
+
+/*! \brief Fixed BVCI definitions (Section 5.4.1) */
+#define BVCI_SIGNALLING	0x0000
+#define BVCI_PTM	0x0001
+
+/*! \brief BSSGP PDU types (Section 11.3.26 / Table 11.27) */
+enum bssgp_pdu_type {
+	/* PDUs between RL and BSSGP SAPs */
+	BSSGP_PDUT_DL_UNITDATA		= 0x00,
+	BSSGP_PDUT_UL_UNITDATA		= 0x01,
+	BSSGP_PDUT_RA_CAPABILITY	= 0x02,
+	BSSGP_PDUT_PTM_UNITDATA		= 0x03,
+	/* PDUs between GMM SAPs */
+	BSSGP_PDUT_PAGING_PS		= 0x06,
+	BSSGP_PDUT_PAGING_CS		= 0x07,
+	BSSGP_PDUT_RA_CAPA_UDPATE	= 0x08,
+	BSSGP_PDUT_RA_CAPA_UPDATE_ACK	= 0x09,
+	BSSGP_PDUT_RADIO_STATUS		= 0x0a,
+	BSSGP_PDUT_SUSPEND		= 0x0b,
+	BSSGP_PDUT_SUSPEND_ACK		= 0x0c,
+	BSSGP_PDUT_SUSPEND_NACK		= 0x0d,
+	BSSGP_PDUT_RESUME		= 0x0e,
+	BSSGP_PDUT_RESUME_ACK		= 0x0f,
+	BSSGP_PDUT_RESUME_NACK		= 0x10,
+	/* PDus between NM SAPs */
+	BSSGP_PDUT_BVC_BLOCK		= 0x20,
+	BSSGP_PDUT_BVC_BLOCK_ACK	= 0x21,
+	BSSGP_PDUT_BVC_RESET		= 0x22,
+	BSSGP_PDUT_BVC_RESET_ACK	= 0x23,
+	BSSGP_PDUT_BVC_UNBLOCK		= 0x24,
+	BSSGP_PDUT_BVC_UNBLOCK_ACK	= 0x25,
+	BSSGP_PDUT_FLOW_CONTROL_BVC	= 0x26,
+	BSSGP_PDUT_FLOW_CONTROL_BVC_ACK	= 0x27,
+	BSSGP_PDUT_FLOW_CONTROL_MS	= 0x28,
+	BSSGP_PDUT_FLOW_CONTROL_MS_ACK	= 0x29,
+	BSSGP_PDUT_FLUSH_LL		= 0x2a,
+	BSSGP_PDUT_FLUSH_LL_ACK		= 0x2b,
+	BSSGP_PDUT_LLC_DISCARD		= 0x2c,
+	BSSGP_PDUT_SGSN_INVOKE_TRACE	= 0x40,
+	BSSGP_PDUT_STATUS		= 0x41,
+	/* PDUs between PFM SAP's */
+	BSSGP_PDUT_DOWNLOAD_BSS_PFC	= 0x50,
+	BSSGP_PDUT_CREATE_BSS_PFC	= 0x51,
+	BSSGP_PDUT_CREATE_BSS_PFC_ACK	= 0x52,
+	BSSGP_PDUT_CREATE_BSS_PFC_NACK	= 0x53,
+	BSSGP_PDUT_MODIFY_BSS_PFC	= 0x54,
+	BSSGP_PDUT_MODIFY_BSS_PFC_ACK	= 0x55,
+	BSSGP_PDUT_DELETE_BSS_PFC	= 0x56,
+	BSSGP_PDUT_DELETE_BSS_PFC_ACK	= 0x57,
+};
+
+/*! \brief BSSGP User-Data header (Section 10.2.1 and 10.2.2) */
+struct bssgp_ud_hdr {
+	uint8_t pdu_type;	/*!< BSSGP PDU type */
+	uint32_t tlli;		/*!< Temporary Link-Local Identifier */
+	uint8_t qos_profile[3];	/*!< QoS profile */
+	uint8_t data[0];	/* optional/conditional IEs as TLVs */
+} __attribute__((packed));
+
+/*! \brief BSSGP normal header */
+struct bssgp_normal_hdr {
+	uint8_t pdu_type;	/*!< BSSGP PDU type */
+	uint8_t data[0];	/*!< optional/conditional IEs as TLVs */
+};
+
+/*! \brief BSSGP Information Element Identifiers */
+enum bssgp_iei_type {
+	BSSGP_IE_ALIGNMENT		= 0x00,
+	BSSGP_IE_BMAX_DEFAULT_MS	= 0x01,
+	BSSGP_IE_BSS_AREA_ID		= 0x02,
+	BSSGP_IE_BUCKET_LEAK_RATE	= 0x03,
+	BSSGP_IE_BVCI			= 0x04,
+	BSSGP_IE_BVC_BUCKET_SIZE	= 0x05,
+	BSSGP_IE_BVC_MEASUREMENT	= 0x06,
+	BSSGP_IE_CAUSE			= 0x07,
+	BSSGP_IE_CELL_ID		= 0x08,
+	BSSGP_IE_CHAN_NEEDED		= 0x09,
+	BSSGP_IE_DRX_PARAMS		= 0x0a,
+	BSSGP_IE_EMLPP_PRIO		= 0x0b,
+	BSSGP_IE_FLUSH_ACTION		= 0x0c,
+	BSSGP_IE_IMSI			= 0x0d,
+	BSSGP_IE_LLC_PDU		= 0x0e,
+	BSSGP_IE_LLC_FRAMES_DISCARDED	= 0x0f,
+	BSSGP_IE_LOCATION_AREA		= 0x10,
+	BSSGP_IE_MOBILE_ID		= 0x11,
+	BSSGP_IE_MS_BUCKET_SIZE		= 0x12,
+	BSSGP_IE_MS_RADIO_ACCESS_CAP	= 0x13,
+	BSSGP_IE_OMC_ID			= 0x14,
+	BSSGP_IE_PDU_IN_ERROR		= 0x15,
+	BSSGP_IE_PDU_LIFETIME		= 0x16,
+	BSSGP_IE_PRIORITY		= 0x17,
+	BSSGP_IE_QOS_PROFILE		= 0x18,
+	BSSGP_IE_RADIO_CAUSE		= 0x19,
+	BSSGP_IE_RA_CAP_UPD_CAUSE	= 0x1a,
+	BSSGP_IE_ROUTEING_AREA		= 0x1b,
+	BSSGP_IE_R_DEFAULT_MS		= 0x1c,
+	BSSGP_IE_SUSPEND_REF_NR		= 0x1d,
+	BSSGP_IE_TAG			= 0x1e,
+	BSSGP_IE_TLLI			= 0x1f,
+	BSSGP_IE_TMSI			= 0x20,
+	BSSGP_IE_TRACE_REFERENC		= 0x21,
+	BSSGP_IE_TRACE_TYPE		= 0x22,
+	BSSGP_IE_TRANSACTION_ID		= 0x23,
+	BSSGP_IE_TRIGGER_ID		= 0x24,
+	BSSGP_IE_NUM_OCT_AFF		= 0x25,
+	BSSGP_IE_LSA_ID_LIST		= 0x26,
+	BSSGP_IE_LSA_INFORMATION	= 0x27,
+	BSSGP_IE_PACKET_FLOW_ID		= 0x28,
+	BSSGP_IE_PACKET_FLOW_TIMER	= 0x29,
+	BSSGP_IE_AGG_BSS_QOS_PROFILE	= 0x3a,
+	BSSGP_IE_FEATURE_BITMAP		= 0x3b,
+	BSSGP_IE_BUCKET_FULL_RATIO	= 0x3c,
+	BSSGP_IE_SERVICE_UTRAN_CCO	= 0x3d,
+};
+
+/*! \brief Cause coding (Section 11.3.8 / Table 11.10) */
+enum gprs_bssgp_cause {
+	BSSGP_CAUSE_PROC_OVERLOAD	= 0x00,
+	BSSGP_CAUSE_EQUIP_FAIL		= 0x01,
+	BSSGP_CAUSE_TRASIT_NET_FAIL	= 0x02,
+	BSSGP_CAUSE_CAPA_GREATER_0KPBS	= 0x03,
+	BSSGP_CAUSE_UNKNOWN_MS		= 0x04,
+	BSSGP_CAUSE_UNKNOWN_BVCI	= 0x05,
+	BSSGP_CAUSE_CELL_TRAF_CONG	= 0x06,
+	BSSGP_CAUSE_SGSN_CONG		= 0x07,
+	BSSGP_CAUSE_OML_INTERV		= 0x08,
+	BSSGP_CAUSE_BVCI_BLOCKED	= 0x09,
+	BSSGP_CAUSE_PFC_CREATE_FAIL	= 0x0a,
+	BSSGP_CAUSE_SEM_INCORR_PDU	= 0x20,
+	BSSGP_CAUSE_INV_MAND_INF	= 0x21,
+	BSSGP_CAUSE_MISSING_MAND_IE	= 0x22,
+	BSSGP_CAUSE_MISSING_COND_IE	= 0x23,
+	BSSGP_CAUSE_UNEXP_COND_IE	= 0x24,
+	BSSGP_CAUSE_COND_IE_ERR		= 0x25,
+	BSSGP_CAUSE_PDU_INCOMP_STATE	= 0x26,
+	BSSGP_CAUSE_PROTO_ERR_UNSPEC	= 0x27,
+	BSSGP_CAUSE_PDU_INCOMP_FEAT	= 0x28,
+};
+
+#endif