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/* Uplink TBF, 3GPP TS 44.060 */
#pragma once
#include <inttypes.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gprs/rlcmac/tbf.h>
#include <osmocom/gprs/rlcmac/tbf_ul_fsm.h>
#include <osmocom/gprs/rlcmac/tbf_ul_ass_fsm.h>
#include <osmocom/gprs/rlcmac/coding_scheme.h>
#include <osmocom/gprs/rlcmac/sched.h>
#include <osmocom/gprs/rlcmac/rlcmac_private.h>
struct gprs_rlcmac_rlc_window;
struct gprs_rlcmac_rlc_ul_window;
struct gprs_rlcmac_ul_tbf {
struct gprs_rlcmac_tbf tbf;
struct gprs_rlcmac_tbf_ul_fsm_ctx state_fsm;
struct gprs_rlcmac_tbf_ul_ass_fsm_ctx ul_ass_fsm;
/* Current TS/TFI/USF allocated by the PCU: */
struct gprs_rlcmac_ul_tbf_allocation cur_alloc;
/* Currently selected LLC frame to be scheduled/transmitted */
struct msgb *llc_tx_msg;
int32_t last_ul_drained_fn;
/* count all transmitted data blocks */
unsigned int n3104;
/* Holds state of all generated in-transit RLC blocks */
struct gprs_rlcmac_rlc_block_store *blkst;
/* Uplink RLC Window, holds ACK state */
union { /* easy access to parent and child */
struct gprs_rlcmac_rlc_window *w;
struct gprs_rlcmac_rlc_ul_window *ulw;
};
/* (M)CS used to transmit uplink blocks, assigned by PCU: */
enum gprs_rlcmac_coding_scheme tx_cs;
/* Whether the UL TBF entered the countdown procedure (TS 44.060 9.3.1)*/
struct {
bool active;
uint8_t cv;
struct gprs_rlcmac_llc_queue *llc_queue;
} countdown_proc;
};
struct gprs_rlcmac_ul_tbf *gprs_rlcmac_ul_tbf_alloc(struct gprs_rlcmac_entity *gre);
void gprs_rlcmac_ul_tbf_free(struct gprs_rlcmac_ul_tbf *ul_tbf);
int gprs_rlcmac_ul_tbf_submit_configure_req(const struct gprs_rlcmac_ul_tbf *ul_tbf,
const struct gprs_rlcmac_ul_tbf_allocation *alloc,
bool starting_time_present, uint32_t starting_time_fn);
void gprs_rlcmac_ul_tbf_countdown_proc_update_cv(struct gprs_rlcmac_ul_tbf *ul_tbf);
bool gprs_rlcmac_ul_tbf_in_contention_resolution(const struct gprs_rlcmac_ul_tbf *ul_tbf);
unsigned int gprs_rlcmac_ul_tbf_n3104_max(const struct gprs_rlcmac_ul_tbf *ul_tbf);
bool gprs_rlcmac_ul_tbf_have_data(const struct gprs_rlcmac_ul_tbf *ul_tbf);
bool gprs_rlcmac_ul_tbf_can_request_new_ul_tbf(const struct gprs_rlcmac_ul_tbf *ul_tbf);
bool gprs_rlcmac_ul_tbf_data_rts(const struct gprs_rlcmac_ul_tbf *ul_tbf, const struct gprs_rlcmac_rts_block_ind *bi);
bool gprs_rlcmac_ul_tbf_dummy_rts(const struct gprs_rlcmac_ul_tbf *ul_tbf, const struct gprs_rlcmac_rts_block_ind *bi);
struct msgb *gprs_rlcmac_ul_tbf_data_create(struct gprs_rlcmac_ul_tbf *ul_tbf, const struct gprs_rlcmac_rts_block_ind *bi);
struct msgb *gprs_rlcmac_ul_tbf_dummy_create(const struct gprs_rlcmac_ul_tbf *ul_tbf);
int gprs_rlcmac_ul_tbf_handle_pkt_ul_ack_nack(struct gprs_rlcmac_ul_tbf *ul_tbf,
const RlcMacDownlink_t *dl_block);
int gprs_rlcmac_ul_tbf_handle_pkt_ul_ass(struct gprs_rlcmac_ul_tbf *ul_tbf,
const struct osmo_gprs_rlcmac_prim *rlcmac_prim,
const RlcMacDownlink_t *dl_block);
static inline struct gprs_rlcmac_tbf *ul_tbf_as_tbf(struct gprs_rlcmac_ul_tbf *ul_tbf)
{
return &ul_tbf->tbf;
}
static inline const struct gprs_rlcmac_tbf *ul_tbf_as_tbf_const(const struct gprs_rlcmac_ul_tbf *ul_tbf)
{
return &ul_tbf->tbf;
}
static inline struct gprs_rlcmac_ul_tbf *tbf_as_ul_tbf(struct gprs_rlcmac_tbf *tbf)
{
OSMO_ASSERT(tbf->direction == GPRS_RLCMAC_TBF_DIR_UL);
return (struct gprs_rlcmac_ul_tbf *)tbf;
}
static inline const struct gprs_rlcmac_ul_tbf *tbf_as_ul_tbf_const(struct gprs_rlcmac_tbf *tbf)
{
OSMO_ASSERT(tbf->direction == GPRS_RLCMAC_TBF_DIR_UL);
return (const struct gprs_rlcmac_ul_tbf *)tbf;
}
#define LOGPTBFUL(ul_tbf, lvl, fmt, args...) \
LOGP(g_rlcmac_log_cat[OSMO_GPRS_RLCMAC_LOGC_TBFUL], lvl, "TBF(UL:NR-%" PRIu8 ":TLLI-%08x) " fmt, \
(ul_tbf)->tbf.nr, (ul_tbf)->tbf.gre->tlli, \
## args)
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