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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* TbfTest.cpp
*
* Copyright (C) 2013 by Holger Hans Peter Freyther
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "bts.h"
#include "tbf.h"
#include "gprs_debug.h"
extern "C" {
#include <osmocom/core/application.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
}
void *tall_pcu_ctx;
int16_t spoof_mnc = 0, spoof_mcc = 0;
static void test_tbf_tlli_update()
{
BTS the_bts;
the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a;
the_bts.bts_data()->trx[0].pdch[2].enable();
the_bts.bts_data()->trx[0].pdch[3].enable();
/*
* Make a uplink and downlink allocation
*/
gprs_rlcmac_tbf *dl_tbf = tbf_alloc_dl_tbf(the_bts.bts_data(),
NULL, 0,
0, 0, 0);
dl_tbf->update_tlli(0x2342);
dl_tbf->tlli_mark_valid();
dl_tbf->ta = 4;
the_bts.timing_advance()->remember(0x2342, dl_tbf->ta);
gprs_rlcmac_tbf *ul_tbf = tbf_alloc_ul_tbf(the_bts.bts_data(),
ul_tbf, 0,
0, 0, 0);
ul_tbf->update_tlli(0x2342);
ul_tbf->tlli_mark_valid();
OSMO_ASSERT(the_bts.dl_tbf_by_tlli(0x2342) == dl_tbf);
OSMO_ASSERT(the_bts.ul_tbf_by_tlli(0x2342) == ul_tbf);
/*
* Now check.. that DL changes and that the timing advance
* has changed.
*/
dl_tbf->update_tlli(0x4232);
OSMO_ASSERT(!the_bts.dl_tbf_by_tlli(0x2342));
OSMO_ASSERT(!the_bts.ul_tbf_by_tlli(0x2342));
OSMO_ASSERT(the_bts.dl_tbf_by_tlli(0x4232) == dl_tbf);
OSMO_ASSERT(the_bts.ul_tbf_by_tlli(0x4232) == ul_tbf);
OSMO_ASSERT(the_bts.timing_advance()->recall(0x4232) == 4);
}
static uint8_t llc_data[200];
int pcu_sock_send(struct msgb *msg)
{
return 0;
}
enum test_tbf_final_ack_mode {
TEST_MODE_STANDARD,
TEST_MODE_REVERSE_FREE
};
static void test_tbf_final_ack(enum test_tbf_final_ack_mode test_mode)
{
BTS the_bts;
gprs_rlcmac_bts *bts;
gprs_rlcmac_trx *trx;
gprs_rlcmac_pdch * pdch;
int tfi, i;
uint8_t ts_no, trx_no;
uint8_t ms_class = 45;
uint32_t fn;
uint8_t rbb[64/8];
struct msgb *dl_msg;
gprs_rlcmac_dl_tbf *dl_tbf;
gprs_rlcmac_tbf *new_tbf;
bts = the_bts.bts_data();
bts->alloc_algorithm = alloc_algorithm_a;
trx = &bts->trx[0];
ts_no = 4;
trx->pdch[ts_no].enable();
pdch = &trx->pdch[ts_no];
tfi = the_bts.tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1);
OSMO_ASSERT(tfi >= 0);
dl_tbf = tbf_alloc_dl_tbf(bts, NULL, tfi, trx_no, ms_class, 1);
OSMO_ASSERT(dl_tbf);
/* "Establish" the DL TBF */
dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS;
dl_tbf->set_state(GPRS_RLCMAC_FLOW);
dl_tbf->m_wait_confirm = 0;
dl_tbf->set_new_tbf(dl_tbf);
for (i = 0; i < sizeof(llc_data); i++)
llc_data[i] = i%256;
/* Schedule two blocks */
dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data));
dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data));
/* FIXME: Need correct frame number here? */
fn = 0;
for (; fn < 3; fn++) {
/* Request to send one block */
gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, 0, fn, 0);
}
/* Queue a final ACK */
memset(rbb, 0, sizeof(rbb));
/* Receive a final ACK */
dl_tbf->rcvd_dl_ack(1, 1, rbb);
/* Clean up and ensure tbfs are in the correct state */
OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE));
new_tbf = dl_tbf->new_tbf();
OSMO_ASSERT(new_tbf != dl_tbf);
OSMO_ASSERT(new_tbf->tfi() == 1);
dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE;
if (test_mode == TEST_MODE_REVERSE_FREE) {
tbf_free(new_tbf);
if (dl_tbf->m_new_tbf == new_tbf)
fprintf(stderr, "dangling m_new_tbf pointer in dl_tbf "
"(known bug)\n");
/* OSMO_ASSERT(dl_tbf->m_new_tbf != new_tbf); */
tbf_free(dl_tbf);
} else {
tbf_free(dl_tbf);
OSMO_ASSERT(new_tbf->m_new_tbf != dl_tbf);
tbf_free(new_tbf);
}
}
static const struct log_info_cat default_categories[] = {
{"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0},
{"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1},
{"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1},
{"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1},
{"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1},
{"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1},
{"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1},
{"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1},
{"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1},
{"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1},
};
static int filter_fn(const struct log_context *ctx,
struct log_target *tar)
{
return 1;
}
const struct log_info debug_log_info = {
filter_fn,
(struct log_info_cat*)default_categories,
ARRAY_SIZE(default_categories),
};
int main(int argc, char **argv)
{
tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context");
if (!tall_pcu_ctx)
abort();
msgb_set_talloc_ctx(tall_pcu_ctx);
osmo_init_logging(&debug_log_info);
log_set_use_color(osmo_stderr_target, 0);
log_set_print_filename(osmo_stderr_target, 0);
test_tbf_tlli_update();
test_tbf_final_ack(TEST_MODE_STANDARD);
test_tbf_final_ack(TEST_MODE_REVERSE_FREE);
return EXIT_SUCCESS;
}
/*
* stubs that should not be reached
*/
extern "C" {
void l1if_pdch_req() { abort(); }
void l1if_connect_pdch() { abort(); }
void l1if_close_pdch() { abort(); }
void l1if_open_pdch() { abort(); }
}
|
