102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
#pragma once
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/* RLCMAC private header */
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#include <stdint.h>
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#include <stddef.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/tdef.h>
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#include <osmocom/gprs/rlcmac/rlcmac_prim.h>
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#include <osmocom/gprs/rlcmac/rlcmac.h>
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#include <osmocom/gprs/rlcmac/coding_scheme.h>
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/* 3GPP TS 44.064 § 8.3 TLLI assignment procedures */
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#define GPRS_RLCMAC_TLLI_UNASSIGNED (0xffffffff)
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#define GPRS_RLCMAC_USF_UNUSED 0x07
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#define GPRS_RLCMAC_LLC_PDU_MAX_LEN 1543
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struct gprs_rlcmac_ul_tbf_allocation_ts {
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bool allocated;
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uint8_t usf;
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};
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struct gprs_rlcmac_ul_tbf_allocation {
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uint8_t ul_tfi;
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uint8_t num_ts; /* number of allocated TS */
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struct gprs_rlcmac_ul_tbf_allocation_ts ts[8];
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};
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struct gprs_rlcmac_dl_tbf_allocation_ts {
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bool allocated;
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};
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struct gprs_rlcmac_dl_tbf_allocation {
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uint8_t dl_tfi;
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uint8_t num_ts; /* number of allocated TS */
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struct gprs_rlcmac_dl_tbf_allocation_ts ts[8];
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};
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extern int g_rlcmac_log_cat[_OSMO_GPRS_RLCMAC_LOGC_MAX];
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#define LOGRLCMAC(lvl, fmt, args...) LOGP(g_rlcmac_log_cat[OSMO_GPRS_RLCMAC_LOGC_RLCMAC], lvl, fmt, ## args)
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#define LOGRLCMACC(lvl, fmt, args...) LOGPC(g_rlcmac_log_cat[OSMO_GPRS_RLCMAC_LOGC_RLCMAC], lvl, fmt, ## args)
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#define msgb_rlcmac_prim(msg) ((struct osmo_gprs_rlcmac_prim *)(msg)->l1h)
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struct gprs_rlcmac_ctx {
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struct {
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enum osmo_gprs_rlcmac_location location;
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struct {
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bool use;
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uint32_t interval_msec;
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} codel;
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enum gprs_rlcmac_egprs_arq_type egprs_arq_type;
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bool ul_tbf_preemptive_retransmission;
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} cfg;
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osmo_gprs_rlcmac_prim_up_cb rlcmac_up_cb;
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void *rlcmac_up_cb_user_data;
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osmo_gprs_rlcmac_prim_down_cb rlcmac_down_cb;
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void *rlcmac_down_cb_user_data;
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struct osmo_tdef *T_defs; /* timers controlled by RLC/MAC layer */
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struct llist_head gre_list; /* contains (struct gprs_rlcmac_entity)->entry */
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uint8_t next_ul_tbf_nr;
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uint8_t next_dl_tbf_nr;
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struct {
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struct gprs_rlcmac_pdch_ulc *ulc[8];
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} sched;
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};
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extern struct gprs_rlcmac_ctx *g_ctx;
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/* rlcmac.c */
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struct gprs_rlcmac_entity *gprs_rlcmac_find_entity_by_tlli(uint32_t tlli);
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struct gprs_rlcmac_dl_tbf *gprs_rlcmac_find_dl_tbf_by_tfi(uint8_t dl_tfi);
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struct gprs_rlcmac_ul_tbf *gprs_rlcmac_find_ul_tbf_by_tfi(uint8_t ul_tfi);
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int gprs_rlcmac_handle_ccch_imm_ass(const struct gsm48_imm_ass *ia);
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int gprs_rlcmac_handle_gprs_dl_block(const struct osmo_gprs_rlcmac_prim *rlcmac_prim,
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enum gprs_rlcmac_coding_scheme cs);
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/* rlcmac_prim.c */
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int gprs_rlcmac_prim_call_up_cb(struct osmo_gprs_rlcmac_prim *rlcmac_prim);
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int gprs_rlcmac_prim_call_down_cb(struct osmo_gprs_rlcmac_prim *rlcmac_prim);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_grr_unitdata_ind(
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uint32_t tlli, uint8_t *ll_pdu, size_t ll_pdu_len);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_gmmrr_page_ind(uint32_t tlli);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_l1ctl_rach8_req(uint8_t ra);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_l1ctl_rach11_req(uint16_t ra11, uint8_t synch_seq);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_l1ctl_pdch_data_req(uint8_t ts_nr, uint32_t fn,
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uint8_t *data, uint8_t data_len);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_l1ctl_cfg_dl_tbf_req(uint8_t dl_tbf_nr, uint8_t dl_slotmask, uint8_t dl_tfi);
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struct osmo_gprs_rlcmac_prim *gprs_rlcmac_prim_alloc_l1ctl_cfg_ul_tbf_req(uint8_t ul_tbf_nr, uint8_t ul_slotmask);
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