91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/* ms_anr_fsm.h
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*
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* Copyright (C) 2021 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include <osmocom/core/fsm.h>
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#include <osmocom/gsm/gsm23003.h>
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#include "pcu_utils.h"
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struct GprsMs;
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struct gprs_rlcmac_tbf;
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#define MAX_NEIGH_LIST_LEN 96
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#define MAX_NEIGH_MEAS_LIST_LEN 32
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enum ms_anr_fsm_event {
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MS_ANR_EV_START, /* data: struct ms_anr_ev_start */
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MS_ANR_EV_CREATE_RLCMAC_MSG, /* data: struct anr_ev_create_rlcmac_msg_ctx* */
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MS_ANR_EV_RX_PKT_MEAS_REPORT, /* data: Packet_Measurement_Report_t */
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MS_ANR_EV_RX_PKT_CTRL_ACK_MSG,
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MS_ANR_EV_RX_PKT_CTRL_ACK_TIMEOUT,
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};
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enum ms_anr_fsm_states {
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MS_ANR_ST_INITIAL,
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MS_ANR_ST_TX_PKT_MEAS_RESET1,
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MS_ANR_ST_WAIT_CTRL_ACK1,
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MS_ANR_ST_TX_PKT_MEAS_ORDER,
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MS_ANR_ST_WAIT_PKT_MEAS_REPORT,
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MS_ANR_ST_TX_PKT_MEAS_RESET2,
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MS_ANR_ST_WAIT_CTRL_ACK2,
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MS_ANR_ST_DONE,
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};
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struct ms_anr_fsm_ctx {
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struct osmo_fsm_inst *fi;
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struct GprsMs* ms; /* back pointer */
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struct gprs_rlcmac_tbf *tbf; /* target tbf to create messages for, selected upon first MS_ANR_EV_CREATE_RLCMAC_MSG */
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struct arfcn_bsic cell_list[MAX_NEIGH_MEAS_LIST_LEN]; /* ordered by ascending ARFCN */
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unsigned int num_cells;
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struct llist_head meas_order_queue; /* list of msgb PMO_IDX=0..PMO_COUNT */
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uint16_t nc_measurement_list[MAX_NEIGH_LIST_LEN]; /* Used to infer ARFCN from Frequency index received at Measurement Report */
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unsigned int nc_measurement_list_len;
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uint32_t poll_fn; /* Scheduled poll FN to CTRL ACK the Pkt Meas Order (reset) */
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uint8_t poll_ts; /* Scheduled poll TS to CTRL ACK the Pkt Meas Order (reset */
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};
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/* passed as data in MS_ANR_EV_START */
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struct ms_anr_ev_start {
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struct gprs_rlcmac_tbf *tbf; /* target DL TBF to create messages for */
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const struct arfcn_bsic* cell_list;
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unsigned int num_cells;
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};
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/* passed as data in MS_ANR_EV_CREATE_RLCMAC_MSG */
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struct ms_anr_ev_create_rlcmac_msg_ctx {
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//struct gprs_rlcmac_tbf *tbf; /* target DL TBF to create messages for */
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uint32_t fn; /* FN where the created DL ctrl block is to be sent */
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uint8_t ts; /* TS where the created DL ctrl block is to be sent */
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struct msgb *msg; /* to be filled by FSM during event processing */
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};
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struct ms_anr_fsm_ctx *ms_anr_fsm_alloc(struct GprsMs* ms);
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void ms_anr_fsm_abort(struct ms_anr_fsm_ctx *ctx);
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/* 3GPP TS44.060 Table 11.2.4.2: PACKET CELL CHANGE ORDER
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* 3GPP TS 45.008 10.1.4 Network controlled Cell re-selection*/
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enum network_control_order {
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NC_0 = 0x00,
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NC_1 = 0x01,
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NC_2 = 0x02,
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NC_RESET = 0x03
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};
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