libosmo-gprs/include/osmocom/gprs/rlcmac/tbf_ul_fsm.h

46 lines
1.5 KiB
C

/* Uplink TBF, 3GPP TS 44.060 */
#pragma once
#include <osmocom/core/fsm.h>
#include <osmocom/gprs/rlcmac/rlcmac_private.h>
struct gprs_rlcmac_ul_tbf;
enum gprs_rlcmac_tbf_ul_fsm_states {
GPRS_RLCMAC_TBF_UL_ST_NEW = 0, /* new created TBF */
GPRS_RLCMAC_TBF_UL_ST_WAIT_ASSIGN, /* wait for Immediate Assignment */
GPRS_RLCMAC_TBF_UL_ST_FLOW, /* RLC/MAC flow, resource needed */
GPRS_RLCMAC_TBF_UL_ST_FINISHED, /* flow finished, wait for release */
};
struct gprs_rlcmac_tbf_ul_fsm_ctx {
struct osmo_fsm_inst *fi;
union { /* back pointer. union used to easily access superclass from ctx */
struct gprs_rlcmac_tbf *tbf;
struct gprs_rlcmac_ul_tbf *ul_tbf;
};
/* Number of packet access procedure timeouts (T3164, T3166) */
unsigned int pkt_acc_proc_attempts;
/* 9.3.3.3.2: The block with CV=0 shall not be retransmitted more than four times. */
unsigned int last_data_block_retrans_attempts;
};
enum tbf_ul_fsm_event {
GPRS_RLCMAC_TBF_UL_EV_UL_ASS_START,
GPRS_RLCMAC_TBF_UL_EV_UL_ASS_COMPL,
GPRS_RLCMAC_TBF_UL_EV_FIRST_UL_DATA_SENT,
GPRS_RLCMAC_TBF_UL_EV_N3104_MAX,
GPRS_RLCMAC_TBF_UL_EV_CONTENTION_RESOLUTION_SUCCESS,
GPRS_RLCMAC_TBF_UL_EV_LAST_UL_DATA_SENT,
GPRS_RLCMAC_TBF_UL_EV_FINAL_ACK_RECVD,
};
int gprs_rlcmac_tbf_ul_fsm_init(void);
void gprs_rlcmac_tbf_ul_fsm_set_log_cat(int logcat);
int gprs_rlcmac_tbf_ul_fsm_constructor(struct gprs_rlcmac_ul_tbf *ul_tbf);
void gprs_rlcmac_tbf_ul_fsm_destructor(struct gprs_rlcmac_ul_tbf *ul_tbf);
enum gprs_rlcmac_tbf_ul_fsm_states gprs_rlcmac_tbf_ul_state(const struct gprs_rlcmac_ul_tbf *ul_tbf);