66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/* pdch_ul_controller.h
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*
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* Copyright (C) 2021-2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* Author: Pau Espin Pedrol <pespin@sysmocom.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <osmocom/core/linuxrbtree.h>
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#include <osmocom/core/utils.h>
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struct gprs_rlcmac_gre;
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struct gprs_rlcmac_tbf;
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struct gprs_rlcmac_pdch_ulc {
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uint8_t ts_nr;
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struct rb_root tree_root;
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void *pool_ctx; /* talloc pool of struct pdch_ulc_node */
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};
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enum gprs_rlcmac_pdch_ulc_poll_reason {
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GPRS_RLCMAC_PDCH_ULC_POLL_UL_ASS, /* Tx CTRL ACK for received UL ASS */
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GPRS_RLCMAC_PDCH_ULC_POLL_DL_ASS, /* Tx CTRL ACK for received DL ASS */
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GPRS_RLCMAC_PDCH_ULC_POLL_UL_ACK, /* Tx CTRL ACK (or PKT RES REQ on final UL ACK/NACK) for received UL ACK/NACK */
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GPRS_RLCMAC_PDCH_ULC_POLL_DL_ACK, /* Tx DL ACK/NACK (or others 8.1.2.2) for received data block */
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GPRS_RLCMAC_PDCH_ULC_POLL_CELL_CHG_CONTINUE, /* Tx CTRL ACK for received Pkt cell Change Continue */
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};
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extern const struct value_string gprs_rlcmac_pdch_ulc_poll_reason_names[];
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struct gprs_rlcmac_pdch_ulc_node {
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struct rb_node node; /*! entry in gprs_rlcmac_pdch_ulc->tree_root */
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uint32_t fn;
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enum gprs_rlcmac_pdch_ulc_poll_reason reason;
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union {
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struct gprs_rlcmac_tbf *tbf;
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struct gprs_rlcmac_entity *gre;
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void *data;
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};
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};
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struct gprs_rlcmac_pdch_ulc *gprs_rlcmac_pdch_ulc_alloc(void *ctx, uint8_t ts_nr);
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int gprs_rlcmac_pdch_ulc_reserve(struct gprs_rlcmac_pdch_ulc *ulc, uint32_t fn, enum gprs_rlcmac_pdch_ulc_poll_reason reason, void *data);
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struct gprs_rlcmac_pdch_ulc_node *gprs_rlcmac_pdch_ulc_get_node(struct gprs_rlcmac_pdch_ulc *ulc, uint32_t fn);
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struct gprs_rlcmac_pdch_ulc_node *gprs_rlcmac_pdch_ulc_pop_node(struct gprs_rlcmac_pdch_ulc *ulc, uint32_t fn);
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void gprs_rlcmac_pdch_ulc_release_node(struct gprs_rlcmac_pdch_ulc *ulc, struct gprs_rlcmac_pdch_ulc_node *item);
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void gprs_rlcmac_pdch_ulc_release_tbf(struct gprs_rlcmac_pdch_ulc *ulc, const struct gprs_rlcmac_tbf *tbf);
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int gprs_rlcmac_pdch_ulc_release_fn(struct gprs_rlcmac_pdch_ulc *ulc, uint32_t fn);
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void gprs_rlcmac_pdch_ulc_expire_fn(struct gprs_rlcmac_pdch_ulc *ulc, uint32_t fn);
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