2013-10-30 13:50:17 +00:00
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/*
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* TbfTest.cpp
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*
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* Copyright (C) 2013 by Holger Hans Peter Freyther
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (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 Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "bts.h"
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#include "tbf.h"
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#include "gprs_debug.h"
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extern "C" {
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#include <osmocom/core/application.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/utils.h>
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}
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void *tall_pcu_ctx;
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int16_t spoof_mnc = 0, spoof_mcc = 0;
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2015-02-23 14:10:20 +00:00
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static void check_tbf(gprs_rlcmac_tbf *tbf)
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{
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OSMO_ASSERT(tbf);
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OSMO_ASSERT(tbf->m_new_tbf == NULL || tbf->m_new_tbf->m_old_tbf == tbf);
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OSMO_ASSERT(tbf->m_old_tbf == NULL || tbf->m_old_tbf->m_new_tbf == tbf);
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}
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2013-10-30 13:50:17 +00:00
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static void test_tbf_tlli_update()
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{
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BTS the_bts;
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the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a;
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the_bts.bts_data()->trx[0].pdch[2].enable();
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the_bts.bts_data()->trx[0].pdch[3].enable();
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/*
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* Make a uplink and downlink allocation
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*/
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2014-07-16 16:54:10 +00:00
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gprs_rlcmac_tbf *dl_tbf = tbf_alloc_dl_tbf(the_bts.bts_data(),
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NULL, 0,
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2013-10-30 13:50:17 +00:00
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0, 0, 0);
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dl_tbf->update_tlli(0x2342);
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dl_tbf->tlli_mark_valid();
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dl_tbf->ta = 4;
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the_bts.timing_advance()->remember(0x2342, dl_tbf->ta);
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2014-07-16 16:54:10 +00:00
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gprs_rlcmac_tbf *ul_tbf = tbf_alloc_ul_tbf(the_bts.bts_data(),
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ul_tbf, 0,
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2013-10-30 13:50:17 +00:00
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0, 0, 0);
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ul_tbf->update_tlli(0x2342);
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ul_tbf->tlli_mark_valid();
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2014-07-02 15:58:14 +00:00
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OSMO_ASSERT(the_bts.dl_tbf_by_tlli(0x2342) == dl_tbf);
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OSMO_ASSERT(the_bts.ul_tbf_by_tlli(0x2342) == ul_tbf);
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2013-10-30 13:50:17 +00:00
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/*
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* Now check.. that DL changes and that the timing advance
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* has changed.
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*/
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dl_tbf->update_tlli(0x4232);
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2014-07-02 15:58:14 +00:00
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OSMO_ASSERT(!the_bts.dl_tbf_by_tlli(0x2342));
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OSMO_ASSERT(!the_bts.ul_tbf_by_tlli(0x2342));
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2013-10-30 13:50:17 +00:00
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2014-07-02 15:58:14 +00:00
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OSMO_ASSERT(the_bts.dl_tbf_by_tlli(0x4232) == dl_tbf);
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OSMO_ASSERT(the_bts.ul_tbf_by_tlli(0x4232) == ul_tbf);
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2013-10-30 18:50:49 +00:00
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OSMO_ASSERT(the_bts.timing_advance()->recall(0x4232) == 4);
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2013-10-30 13:50:17 +00:00
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}
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2014-08-15 16:19:41 +00:00
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static uint8_t llc_data[200];
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int pcu_sock_send(struct msgb *msg)
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{
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return 0;
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}
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2015-03-25 08:11:24 +00:00
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static void setup_bts(BTS *the_bts, uint8_t ts_no)
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2014-08-15 16:19:41 +00:00
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{
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gprs_rlcmac_bts *bts;
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gprs_rlcmac_trx *trx;
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2015-03-25 08:11:24 +00:00
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bts = the_bts->bts_data();
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2014-08-15 16:19:41 +00:00
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bts->alloc_algorithm = alloc_algorithm_a;
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trx = &bts->trx[0];
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trx->pdch[ts_no].enable();
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2015-03-25 08:11:24 +00:00
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}
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2014-08-15 16:19:41 +00:00
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2015-03-25 08:11:24 +00:00
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static gprs_rlcmac_dl_tbf *create_dl_tbf(BTS *the_bts, uint8_t ms_class,
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uint8_t *trx_no_)
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{
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gprs_rlcmac_bts *bts;
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int tfi;
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uint8_t trx_no;
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gprs_rlcmac_dl_tbf *dl_tbf;
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bts = the_bts->bts_data();
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tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1);
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2014-08-15 16:19:41 +00:00
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OSMO_ASSERT(tfi >= 0);
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dl_tbf = tbf_alloc_dl_tbf(bts, NULL, tfi, trx_no, ms_class, 1);
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2015-02-23 14:10:20 +00:00
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check_tbf(dl_tbf);
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2014-08-15 16:19:41 +00:00
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/* "Establish" the DL TBF */
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dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS;
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dl_tbf->set_state(GPRS_RLCMAC_FLOW);
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dl_tbf->m_wait_confirm = 0;
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dl_tbf->set_new_tbf(dl_tbf);
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2015-02-23 14:10:20 +00:00
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check_tbf(dl_tbf);
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2014-08-15 16:19:41 +00:00
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2015-03-25 08:11:24 +00:00
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*trx_no_ = trx_no;
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return dl_tbf;
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}
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enum test_tbf_final_ack_mode {
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TEST_MODE_STANDARD,
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TEST_MODE_REVERSE_FREE
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};
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static void test_tbf_final_ack(enum test_tbf_final_ack_mode test_mode)
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{
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BTS the_bts;
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gprs_rlcmac_bts *bts;
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uint8_t ts_no = 4;
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unsigned i;
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uint8_t ms_class = 45;
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uint32_t fn;
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uint8_t trx_no;
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uint8_t rbb[64/8];
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gprs_rlcmac_dl_tbf *dl_tbf;
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gprs_rlcmac_tbf *new_tbf;
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bts = the_bts.bts_data();
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setup_bts(&the_bts, ts_no);
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dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no);
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2014-08-15 16:19:41 +00:00
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for (i = 0; i < sizeof(llc_data); i++)
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llc_data[i] = i%256;
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/* Schedule two blocks */
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2014-09-19 09:57:21 +00:00
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dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data));
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dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data));
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2014-08-15 16:19:41 +00:00
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/* FIXME: Need correct frame number here? */
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fn = 0;
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for (; fn < 3; fn++) {
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/* Request to send one block */
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gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, 0, fn, 0);
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}
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/* Queue a final ACK */
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memset(rbb, 0, sizeof(rbb));
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/* Receive a final ACK */
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dl_tbf->rcvd_dl_ack(1, 1, rbb);
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/* Clean up and ensure tbfs are in the correct state */
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OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE));
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new_tbf = dl_tbf->new_tbf();
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2015-02-23 14:10:20 +00:00
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check_tbf(new_tbf);
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2014-08-15 16:19:41 +00:00
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OSMO_ASSERT(new_tbf != dl_tbf);
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OSMO_ASSERT(new_tbf->tfi() == 1);
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2015-02-23 14:10:20 +00:00
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check_tbf(dl_tbf);
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2014-08-15 16:19:41 +00:00
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dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE;
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2015-02-23 13:26:59 +00:00
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if (test_mode == TEST_MODE_REVERSE_FREE) {
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tbf_free(new_tbf);
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2015-02-23 14:10:20 +00:00
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OSMO_ASSERT(dl_tbf->m_new_tbf != new_tbf);
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check_tbf(dl_tbf);
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2015-02-23 13:26:59 +00:00
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tbf_free(dl_tbf);
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} else {
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tbf_free(dl_tbf);
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OSMO_ASSERT(new_tbf->m_new_tbf != dl_tbf);
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2015-02-23 14:10:20 +00:00
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check_tbf(new_tbf);
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2015-02-23 13:26:59 +00:00
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tbf_free(new_tbf);
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}
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2014-08-15 16:19:41 +00:00
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}
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2014-06-11 16:33:14 +00:00
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static const struct log_info_cat default_categories[] = {
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{"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0},
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{"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1},
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{"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1},
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{"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1},
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{"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1},
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{"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1},
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{"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1},
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{"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1},
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{"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1},
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{"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1},
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};
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static int filter_fn(const struct log_context *ctx,
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struct log_target *tar)
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{
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return 1;
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}
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const struct log_info debug_log_info = {
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filter_fn,
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(struct log_info_cat*)default_categories,
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ARRAY_SIZE(default_categories),
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};
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2013-10-30 13:50:17 +00:00
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int main(int argc, char **argv)
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{
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tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context");
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if (!tall_pcu_ctx)
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abort();
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msgb_set_talloc_ctx(tall_pcu_ctx);
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2014-06-11 16:33:14 +00:00
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osmo_init_logging(&debug_log_info);
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2013-10-30 13:50:17 +00:00
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log_set_use_color(osmo_stderr_target, 0);
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log_set_print_filename(osmo_stderr_target, 0);
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test_tbf_tlli_update();
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2015-02-23 13:26:59 +00:00
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test_tbf_final_ack(TEST_MODE_STANDARD);
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test_tbf_final_ack(TEST_MODE_REVERSE_FREE);
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2013-10-30 13:50:17 +00:00
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return EXIT_SUCCESS;
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}
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/*
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* stubs that should not be reached
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*/
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extern "C" {
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void l1if_pdch_req() { abort(); }
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void l1if_connect_pdch() { abort(); }
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void l1if_close_pdch() { abort(); }
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void l1if_open_pdch() { abort(); }
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}
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