bsslap.c File Reference

Message encoding and decoding for 3GPP TS 48.071 BSSLAP protocol. More...

#include <errno.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gsm/bsslap.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/core/logging.h>

Macros
#define	DEC_ERR(RC, MSG_TYPE, IEI, CAUSE, fmt, args...)
#define	DEC_IE_MANDATORY(IEI, DEC_FUN, DEC_FUN_ARG)

Functions
static void	osmo_bsslap_ie_enc_cell_id (struct msgb *msg, uint16_t cell_id)
static int	osmo_bsslap_ie_dec_cell_id (uint16_t *cell_id, enum bsslap_msgt msgt, enum bsslap_iei iei, struct osmo_bsslap_err **err, void *err_ctx, const uint8_t *data, size_t len)
static void	osmo_bsslap_ie_enc_ta (struct msgb *msg, uint8_t ta)
static int	osmo_bsslap_ie_dec_ta (uint8_t *ta, enum bsslap_msgt msgt, enum bsslap_iei iei, struct osmo_bsslap_err **err, void *err_ctx, const uint8_t *data, size_t len)
static void	osmo_bsslap_ie_enc_cause (struct msgb *msg, enum bsslap_cause cause)
static int	osmo_bsslap_ie_dec_cause (enum bsslap_cause *cause, enum bsslap_msgt msgt, enum bsslap_iei iei, struct osmo_bsslap_err **err, void *err_ctx, const uint8_t *data, size_t len)
static void	osmo_bsslap_ie_enc_chan_desc (struct msgb *msg, const struct gsm48_chan_desc *chan_desc)
static int	osmo_bsslap_ie_dec_chan_desc (struct gsm48_chan_desc *chan_desc, enum bsslap_msgt msgt, enum bsslap_iei iei, struct osmo_bsslap_err **err, void *err_ctx, const uint8_t *data, size_t len)
int	osmo_bsslap_enc (struct msgb *msg, const struct bsslap_pdu *pdu)
	Encode BSSLAP PDU and append to msgb (3GPP TS 48.071).
int	osmo_bsslap_dec (struct bsslap_pdu *pdu, struct osmo_bsslap_err **err, void *err_ctx, const uint8_t *data, size_t len)
	Decode BSSLAP PDU (3GPP TS 48.071).

Variables
static const struct tlv_definition	osmo_bsslap_tlvdef
const struct value_string	osmo_bsslap_msgt_names []
const struct value_string	osmo_bsslap_iei_names []

Detailed Description

Message encoding and decoding for 3GPP TS 48.071 BSSLAP protocol.

Macro Definition Documentation

DEC_IE_MANDATORY

#define DEC_IE_MANDATORY	(		IEI,
			DEC_FUN,
			DEC_FUN_ARG
	)

Value:

                do { \
                const struct tlv_p_entry *e; \
                int rc; \
		if (!(e = TLVP_GET(&tp, IEI))) \
			DEC_ERR(-EINVAL, pdu->msg_type, IEI, LCS_CAUSE_DATA_MISSING_IN_REQ, "missing mandatory IE"); \
                rc = DEC_FUN(DEC_FUN_ARG, pdu->msg_type, IEI, err, err_ctx, e->val, e->len); \
		if (rc) \
			DEC_ERR(rc, pdu->msg_type, IEI, LCS_CAUSE_UNSPECIFIED, "cannot parse IE"); \
        } while (0)