mirror of https://gerrit.osmocom.org/libosmocore
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#ifndef OSMO_PRIMITIVE_H
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#define OSMO_PRIMITIVE_H
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/*! \defgroup prim Osmocom primitives
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* @{
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*/
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/*! \file prim.h */
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#include <stdint.h>
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#include <osmocom/core/msgb.h>
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#define OSMO_PRIM(prim, op) ((prim << 8) | (op & 0xFF))
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#define OSMO_PRIM_HDR(oph) OSMO_PRIM((oph)->primitive, (oph)->operation)
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/*! \brief primitive operation */
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enum osmo_prim_operation {
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PRIM_OP_REQUEST, /*!< \brief request */
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PRIM_OP_RESPONSE, /*!< \brief response */
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PRIM_OP_INDICATION, /*!< \brief indication */
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PRIM_OP_CONFIRM, /*!< \brief cofirm */
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};
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#define _SAP_GSM_SHIFT 24
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#define _SAP_GSM_BASE (0x01 << _SAP_GSM_SHIFT)
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#define _SAP_TETRA_BASE (0x02 << _SAP_GSM_SHIFT)
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/*! \brief primitive header */
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struct osmo_prim_hdr {
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unsigned int sap; /*!< \brief Service Access Point */
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unsigned int primitive; /*!< \brief Primitive number */
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enum osmo_prim_operation operation; /*! \brief Primitive Operation */
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struct msgb *msg; /*!< \brief \ref msgb containing associated data */
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};
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/*! \brief initialize a primitive header
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* \param[in,out] oph primitive header
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* \param[in] sap Service Access Point
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* \param[in] primitive Primitive Number
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* \param[in] operation Primitive Operation (REQ/RESP/IND/CONF)
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* \param[in] msg Message
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*/
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static inline void
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osmo_prim_init(struct osmo_prim_hdr *oph, unsigned int sap,
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unsigned int primitive, enum osmo_prim_operation operation,
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struct msgb *msg)
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{
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oph->sap = sap;
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oph->primitive = primitive;
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oph->operation = operation;
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oph->msg = msg;
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}
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/*! \brief primitive handler callback type */
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typedef int (*osmo_prim_cb)(struct osmo_prim_hdr *oph, void *ctx);
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/*! @} */
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#endif /* OSMO_PRIMITIVE_H */
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