mirror of https://gerrit.osmocom.org/libosmocore
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#pragma once
|
|
|
|
/*! \defgroup prim Osmocom primitives
|
|
* @{
|
|
* \file prim.h */
|
|
|
|
#include <stdint.h>
|
|
#include <osmocom/core/msgb.h>
|
|
|
|
#define OSMO_PRIM(prim, op) ((prim << 8) | (op & 0xFF))
|
|
#define OSMO_PRIM_HDR(oph) OSMO_PRIM((oph)->primitive, (oph)->operation)
|
|
|
|
/*! primitive operation */
|
|
enum osmo_prim_operation {
|
|
PRIM_OP_REQUEST, /*!< request */
|
|
PRIM_OP_RESPONSE, /*!< response */
|
|
PRIM_OP_INDICATION, /*!< indication */
|
|
PRIM_OP_CONFIRM, /*!< confirm */
|
|
};
|
|
|
|
extern const struct value_string osmo_prim_op_names[5];
|
|
|
|
#define _SAP_GSM_SHIFT 24
|
|
|
|
#define _SAP_GSM_BASE (0x01 << _SAP_GSM_SHIFT)
|
|
#define _SAP_TETRA_BASE (0x02 << _SAP_GSM_SHIFT)
|
|
#define _SAP_SS7_BASE (0x03 << _SAP_GSM_SHIFT)
|
|
|
|
/*! primitive header */
|
|
struct osmo_prim_hdr {
|
|
unsigned int sap; /*!< Service Access Point */
|
|
unsigned int primitive; /*!< Primitive number */
|
|
enum osmo_prim_operation operation; /*! Primitive Operation */
|
|
struct msgb *msg; /*!< \ref msgb containing associated data */
|
|
};
|
|
|
|
/*! initialize a primitive header
|
|
* \param[in,out] oph primitive header
|
|
* \param[in] sap Service Access Point
|
|
* \param[in] primitive Primitive Number
|
|
* \param[in] operation Primitive Operation (REQ/RESP/IND/CONF)
|
|
* \param[in] msg Message
|
|
*/
|
|
static inline void
|
|
osmo_prim_init(struct osmo_prim_hdr *oph, unsigned int sap,
|
|
unsigned int primitive, enum osmo_prim_operation operation,
|
|
struct msgb *msg)
|
|
{
|
|
oph->sap = sap;
|
|
oph->primitive = primitive;
|
|
oph->operation = operation;
|
|
oph->msg = msg;
|
|
}
|
|
|
|
/*! primitive handler callback type */
|
|
typedef int (*osmo_prim_cb)(struct osmo_prim_hdr *oph, void *ctx);
|
|
|
|
/*! magic value to be used as final record of \ref
|
|
* osmo_prim_event_map */
|
|
#define OSMO_NO_EVENT 0xFFFFFFFF
|
|
|
|
/*! single entry in a SAP/PRIM/OP -> EVENT map */
|
|
struct osmo_prim_event_map {
|
|
unsigned int sap; /*!< SAP to match */
|
|
unsigned int primitive; /*!< primtiive to match */
|
|
enum osmo_prim_operation operation; /*!< operation to match */
|
|
uint32_t event; /*!< event as result if above match */
|
|
};
|
|
|
|
uint32_t osmo_event_for_prim(const struct osmo_prim_hdr *oph,
|
|
const struct osmo_prim_event_map *maps);
|
|
/*! @} */
|