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Diffstat (limited to 'src/ms_anr_fsm.h')
| -rw-r--r-- | src/ms_anr_fsm.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/ms_anr_fsm.h b/src/ms_anr_fsm.h new file mode 100644 index 00000000..84bb7687 --- /dev/null +++ b/src/ms_anr_fsm.h @@ -0,0 +1,90 @@ +/* ms_anr_fsm.h + * + * Copyright (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> + * Author: Pau Espin Pedrol <pespin@sysmocom.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#pragma once + +#include <osmocom/core/fsm.h> +#include <osmocom/gsm/gsm23003.h> + +#include "pcu_utils.h" + +struct GprsMs; +struct gprs_rlcmac_tbf; + +#define MAX_NEIGH_LIST_LEN 96 +#define MAX_NEIGH_MEAS_LIST_LEN 32 + +enum ms_anr_fsm_event { + MS_ANR_EV_START, /* data: struct ms_anr_ev_start */ + MS_ANR_EV_CREATE_RLCMAC_MSG, /* data: struct anr_ev_create_rlcmac_msg_ctx* */ + MS_ANR_EV_RX_PKT_MEAS_REPORT, /* data: Packet_Measurement_Report_t */ + MS_ANR_EV_RX_PKT_CTRL_ACK_MSG, + MS_ANR_EV_RX_PKT_CTRL_ACK_TIMEOUT, +}; + +enum ms_anr_fsm_states { + MS_ANR_ST_INITIAL, + MS_ANR_ST_TX_PKT_MEAS_RESET1, + MS_ANR_ST_WAIT_CTRL_ACK1, + MS_ANR_ST_TX_PKT_MEAS_ORDER, + MS_ANR_ST_WAIT_PKT_MEAS_REPORT, + MS_ANR_ST_TX_PKT_MEAS_RESET2, + MS_ANR_ST_WAIT_CTRL_ACK2, + MS_ANR_ST_DONE, +}; + +struct ms_anr_fsm_ctx { + struct osmo_fsm_inst *fi; + struct GprsMs* ms; /* back pointer */ + struct gprs_rlcmac_tbf *tbf; /* target tbf to create messages for, selected upon first MS_ANR_EV_CREATE_RLCMAC_MSG */ + struct arfcn_bsic cell_list[MAX_NEIGH_MEAS_LIST_LEN]; /* ordered by ascending ARFCN */ + unsigned int num_cells; + struct llist_head meas_order_queue; /* list of msgb PMO_IDX=0..PMO_COUNT */ + uint16_t nc_measurement_list[MAX_NEIGH_LIST_LEN]; /* Used to infer ARFCN from Frequency index received at Measurement Report */ + unsigned int nc_measurement_list_len; + uint32_t poll_fn; /* Scheduled poll FN to CTRL ACK the Pkt Meas Order (reset) */ + uint8_t poll_ts; /* Scheduled poll TS to CTRL ACK the Pkt Meas Order (reset */ +}; + +/* passed as data in MS_ANR_EV_START */ +struct ms_anr_ev_start { + struct gprs_rlcmac_tbf *tbf; /* target DL TBF to create messages for */ + const struct arfcn_bsic* cell_list; + unsigned int num_cells; +}; + +/* passed as data in MS_ANR_EV_CREATE_RLCMAC_MSG */ +struct ms_anr_ev_create_rlcmac_msg_ctx { + //struct gprs_rlcmac_tbf *tbf; /* target DL TBF to create messages for */ + uint32_t fn; /* FN where the created DL ctrl block is to be sent */ + uint8_t ts; /* TS where the created DL ctrl block is to be sent */ + struct msgb *msg; /* to be filled by FSM during event processing */ +}; + +struct ms_anr_fsm_ctx *ms_anr_fsm_alloc(struct GprsMs* ms); +void ms_anr_fsm_abort(struct ms_anr_fsm_ctx *ctx); + +/* 3GPP TS44.060 Table 11.2.4.2: PACKET CELL CHANGE ORDER + * 3GPP TS 45.008 10.1.4 Network controlled Cell re-selection*/ +enum network_control_order { + NC_0 = 0x00, + NC_1 = 0x01, + NC_2 = 0x02, + NC_RESET = 0x03 +}; |