1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* Filter/overlay data rates for CSD, across MS, RAN and CN limitations */
/*
* (C) 2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* Author: Oliver Smith
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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.
*/
#pragma once
#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/mncc.h>
#include <osmocom/mgcp_client/mgcp_client.h>
#include <osmocom/msc/csd_bs.h>
#include <osmocom/msc/sdp_msg.h>
/* Combine various data rate selections to obtain a resulting set allowed by
* all of them. Members reflect the different entities/stages that select data
* rates in CSD. Call csd_filter_run() and obtain the resulting set in
* csd_filter.result. */
struct csd_filter {
/* The fixed set available on the RAN type, per definition. */
struct csd_bs_list ran;
/* The services advertised by the MS Bearer Capabilities */
struct csd_bs_list ms;
/* If known, the set the current RAN cell allows / has available. This
* may not be available if the BSC does not issue this information
* early enough. Should be ignored if empty. */
struct csd_bs_list bss;
/* After a channel was assigned, this reflects the chosen BS. */
enum csd_bs assignment;
};
void csd_filter_set_ran(struct csd_filter *filter, enum osmo_rat_type ran_type);
int csd_filter_run(struct csd_filter *filter, struct sdp_msg *result, const struct sdp_msg *remote);
int csd_filter_to_str_buf(char *buf, size_t buflen, const struct csd_filter *filter,
const struct sdp_msg *result, const struct sdp_msg *remote);
char *csd_filter_to_str_c(void *ctx, const struct csd_filter *filter, const struct sdp_msg *result, const struct sdp_msg *remote);
const char *csd_filter_to_str(const struct csd_filter *filter, const struct sdp_msg *result, const struct sdp_msg *remote);
|
