649 lines
18 KiB
C++
649 lines
18 KiB
C++
/* Copied from gprs_bssgp_pcu.cpp
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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* Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
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* Copyright (C) 2013 by Holger Hans Peter Freyther
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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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#include <bts.h>
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#include <tbf.h>
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#include <gprs_rlcmac.h>
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#include <gprs_debug.h>
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extern "C" {
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/talloc.h>
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}
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#include <errno.h>
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#include <string.h>
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extern void *tall_pcu_ctx;
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static inline void tbf_update_ms_class(struct gprs_rlcmac_tbf *tbf,
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const uint8_t ms_class)
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{
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if (!tbf->ms_class && ms_class)
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tbf->ms_class = ms_class;
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}
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static inline void tbf_assign_imsi(struct gprs_rlcmac_tbf *tbf,
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const char *imsi)
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{
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strncpy(tbf->meas.imsi, imsi, sizeof(tbf->meas.imsi) - 1);
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}
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static struct gprs_rlcmac_tbf *tbf_lookup_dl(const uint32_t tlli, const char *imsi)
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{
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/* TODO: look up by IMSI first, then tlli, then old_tlli */
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return tbf_by_tlli(tlli, GPRS_RLCMAC_DL_TBF);
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}
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static int tbf_append_data(struct gprs_rlcmac_tbf *tbf,
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struct gprs_rlcmac_bts *bts,
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const uint8_t ms_class,
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const uint16_t pdu_delay_csec,
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const uint8_t *data, const uint16_t len)
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{
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LOGP(DRLCMAC, LOGL_INFO, "TBF: APPEND TFI: %u TLLI: 0x%08x\n", tbf->tfi, tbf->tlli);
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if (tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)) {
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LOGP(DRLCMAC, LOGL_DEBUG, "TBF in WAIT RELEASE state "
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"(T3193), so reuse TBF\n");
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memcpy(tbf->llc_frame, data, len);
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tbf->llc_length = len;
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/* reset rlc states */
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memset(&tbf->dir.dl, 0, sizeof(tbf->dir.dl));
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/* keep to flags */
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tbf->state_flags &= GPRS_RLCMAC_FLAG_TO_MASK;
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tbf->state_flags &= ~(1 << GPRS_RLCMAC_FLAG_CCCH);
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tbf_update_ms_class(tbf, ms_class);
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tbf_update(bts, tbf);
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gprs_rlcmac_trigger_downlink_assignment(bts, tbf, tbf, NULL);
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} else {
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/* the TBF exists, so we must write it in the queue
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* we prepend lifetime in front of PDU */
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struct timeval *tv;
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struct msgb *llc_msg = msgb_alloc(len + sizeof(*tv),
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"llc_pdu_queue");
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if (!llc_msg)
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return -ENOMEM;
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tv = (struct timeval *)msgb_put(llc_msg, sizeof(*tv));
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uint16_t delay_csec;
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if (bts->force_llc_lifetime)
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delay_csec = bts->force_llc_lifetime;
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else
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delay_csec = pdu_delay_csec;
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/* keep timestap at 0 for infinite delay */
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if (delay_csec != 0xffff) {
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/* calculate timestamp of timeout */
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gettimeofday(tv, NULL);
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tv->tv_usec += (delay_csec % 100) * 10000;
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tv->tv_sec += delay_csec / 100;
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if (tv->tv_usec > 999999) {
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tv->tv_usec -= 1000000;
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tv->tv_sec++;
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}
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}
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memcpy(msgb_put(llc_msg, len), data, len);
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msgb_enqueue(&tbf->llc_queue, llc_msg);
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tbf_update_ms_class(tbf, ms_class);
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}
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return 0;
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}
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static int tbf_new_dl_assignment(struct gprs_rlcmac_bts *bts,
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const char *imsi,
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const uint32_t tlli, const uint8_t ms_class,
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const uint8_t *data, const uint16_t len)
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{
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uint8_t trx, ta, ss;
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int8_t use_trx;
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struct gprs_rlcmac_tbf *old_tbf, *tbf;
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int8_t tfi; /* must be signed */
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int rc;
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/* check for uplink data, so we copy our informations */
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#warning "Do the same look up for IMSI, TLLI and OLD_TLLI"
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#warning "Refactor the below lines... into a new method"
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tbf = tbf_by_tlli(tlli, GPRS_RLCMAC_UL_TBF);
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if (tbf && tbf->dir.ul.contention_resolution_done
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&& !tbf->dir.ul.final_ack_sent) {
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use_trx = tbf->trx_no;
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ta = tbf->ta;
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ss = 0;
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old_tbf = tbf;
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} else {
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use_trx = -1;
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/* we already have an uplink TBF, so we use that TA */
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if (tbf)
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ta = tbf->ta;
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else {
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/* recall TA */
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rc = bts->bts->timing_advance()->recall(tlli);
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if (rc < 0) {
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LOGP(DRLCMAC, LOGL_NOTICE, "TA unknown"
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", assuming 0\n");
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ta = 0;
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} else
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ta = rc;
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}
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ss = 1; /* PCH assignment only allows one timeslot */
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old_tbf = NULL;
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}
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// Create new TBF (any TRX)
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#warning "Copy and paste with alloc_ul_tbf"
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tfi = tfi_find_free(bts, GPRS_RLCMAC_DL_TBF, &trx, use_trx);
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if (tfi < 0) {
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LOGP(DRLCMAC, LOGL_NOTICE, "No PDCH resource\n");
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/* FIXME: send reject */
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return -EBUSY;
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}
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/* set number of downlink slots according to multislot class */
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tbf = tbf_alloc(bts, tbf, GPRS_RLCMAC_DL_TBF, tfi, trx, ms_class, ss);
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if (!tbf) {
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LOGP(DRLCMAC, LOGL_NOTICE, "No PDCH ressource\n");
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/* FIXME: send reject */
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return -EBUSY;
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}
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tbf->tlli = tlli;
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tbf->tlli_valid = 1;
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tbf->ta = ta;
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LOGP(DRLCMAC, LOGL_DEBUG,
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"TBF: [DOWNLINK] START TFI: %d TLLI: 0x%08x \n",
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tbf->tfi, tbf->tlli);
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/* new TBF, so put first frame */
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memcpy(tbf->llc_frame, data, len);
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tbf->llc_length = len;
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/* trigger downlink assignment and set state to ASSIGN.
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* we don't use old_downlink, so the possible uplink is used
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* to trigger downlink assignment. if there is no uplink,
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* AGCH is used. */
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gprs_rlcmac_trigger_downlink_assignment(bts, tbf, old_tbf, imsi);
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/* store IMSI for debugging purpose. TODO: it is more than debugging */
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tbf_assign_imsi(tbf, imsi);
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return 0;
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}
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/**
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* TODO: split into unit test-able parts...
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*/
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int tbf_handle(struct gprs_rlcmac_bts *bts,
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const uint32_t tlli, const char *imsi,
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const uint8_t ms_class, const uint16_t delay_csec,
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const uint8_t *data, const uint16_t len)
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{
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struct gprs_rlcmac_tbf *tbf;
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/* check for existing TBF */
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tbf = tbf_lookup_dl(tlli, imsi);
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if (tbf) {
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int rc = tbf_append_data(tbf, bts, ms_class,
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delay_csec, data, len);
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if (rc >= 0)
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tbf_assign_imsi(tbf, imsi);
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return rc;
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}
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return tbf_new_dl_assignment(bts, imsi, tlli, ms_class, data, len);
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}
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struct gprs_rlcmac_tbf *tbf_alloc_ul(struct gprs_rlcmac_bts *bts,
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int8_t use_trx, uint8_t ms_class,
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uint32_t tlli, uint8_t ta, struct gprs_rlcmac_tbf *dl_tbf)
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{
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uint8_t trx;
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struct gprs_rlcmac_tbf *tbf;
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uint8_t tfi;
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#warning "Copy and paste with tbf_new_dl_assignment"
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/* create new TBF, use sme TRX as DL TBF */
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tfi = tfi_find_free(bts, GPRS_RLCMAC_UL_TBF, &trx, use_trx);
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if (tfi < 0) {
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LOGP(DRLCMAC, LOGL_NOTICE, "No PDCH ressource\n");
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/* FIXME: send reject */
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return NULL;
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}
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/* use multislot class of downlink TBF */
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tbf = tbf_alloc(bts, dl_tbf, GPRS_RLCMAC_UL_TBF, tfi, trx, ms_class, 0);
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if (!tbf) {
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LOGP(DRLCMAC, LOGL_NOTICE, "No PDCH ressource\n");
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/* FIXME: send reject */
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return NULL;
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}
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tbf->tlli = tlli;
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tbf->tlli_valid = 1; /* no contention resolution */
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tbf->dir.ul.contention_resolution_done = 1;
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tbf->ta = ta; /* use current TA */
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tbf_new_state(tbf, GPRS_RLCMAC_ASSIGN);
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tbf->state_flags |= (1 << GPRS_RLCMAC_FLAG_PACCH);
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tbf_timer_start(tbf, 3169, bts->t3169, 0);
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return tbf;
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}
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static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf)
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{
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struct gprs_rlcmac_pdch *pdch;
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int ts;
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if (tbf->direction == GPRS_RLCMAC_UL_TBF) {
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tbf->trx->ul_tbf[tbf->tfi] = NULL;
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for (ts = 0; ts < 8; ts++) {
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pdch = tbf->pdch[ts];
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if (pdch)
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pdch->ul_tbf[tbf->tfi] = NULL;
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tbf->pdch[ts] = NULL;
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}
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} else {
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tbf->trx->dl_tbf[tbf->tfi] = NULL;
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for (ts = 0; ts < 8; ts++) {
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pdch = tbf->pdch[ts];
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if (pdch)
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pdch->dl_tbf[tbf->tfi] = NULL;
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tbf->pdch[ts] = NULL;
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}
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}
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}
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void tbf_free(struct gprs_rlcmac_tbf *tbf)
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{
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struct msgb *msg;
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/* Give final measurement report */
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gprs_rlcmac_rssi_rep(tbf);
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gprs_rlcmac_lost_rep(tbf);
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debug_diagram(tbf->diag, "+---------------+");
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debug_diagram(tbf->diag, "| THE END |");
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debug_diagram(tbf->diag, "+---------------+");
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LOGP(DRLCMAC, LOGL_INFO, "Free %s TBF=%d with TLLI=0x%08x.\n",
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(tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL", tbf->tfi,
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tbf->tlli);
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if (tbf->ul_ass_state != GPRS_RLCMAC_UL_ASS_NONE)
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LOGP(DRLCMAC, LOGL_ERROR, "Software error: Pending uplink "
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"assignment. This may not happen, because the "
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"assignment message never gets transmitted. Please "
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"be shure not to free in this state. PLEASE FIX!\n");
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if (tbf->dl_ass_state != GPRS_RLCMAC_DL_ASS_NONE)
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LOGP(DRLCMAC, LOGL_ERROR, "Software error: Pending downlink "
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"assignment. This may not happen, because the "
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"assignment message never gets transmitted. Please "
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"be shure not to free in this state. PLEASE FIX!\n");
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tbf_timer_stop(tbf);
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while ((msg = msgb_dequeue(&tbf->llc_queue)))
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msgb_free(msg);
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tbf_unlink_pdch(tbf);
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llist_del(&tbf->list);
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LOGP(DRLCMAC, LOGL_DEBUG, "********** TBF ends here **********\n");
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talloc_free(tbf);
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}
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int tbf_update(struct gprs_rlcmac_bts *bts,
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struct gprs_rlcmac_tbf *tbf)
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{
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struct gprs_rlcmac_tbf *ul_tbf = NULL;
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int rc;
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LOGP(DRLCMAC, LOGL_DEBUG, "********** TBF update **********\n");
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if (tbf->direction != GPRS_RLCMAC_DL_TBF)
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return -EINVAL;
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if (!tbf->ms_class) {
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LOGP(DRLCMAC, LOGL_DEBUG, "- Cannot update, no class\n");
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return -EINVAL;
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}
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ul_tbf = tbf_by_tlli(tbf->tlli, GPRS_RLCMAC_UL_TBF);
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tbf_unlink_pdch(tbf);
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rc = bts->alloc_algorithm(bts, ul_tbf, tbf, bts->alloc_algorithm_curst, 0);
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/* if no ressource */
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if (rc < 0) {
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LOGP(DRLCMAC, LOGL_ERROR, "No ressource after update???\n");
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return -rc;
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}
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return 0;
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}
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int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf)
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{
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if (tbf->control_ts == 0xff)
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LOGP(DRLCMAC, LOGL_INFO, "- Setting Control TS %d\n",
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tbf->first_common_ts);
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else if (tbf->control_ts != tbf->first_common_ts)
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LOGP(DRLCMAC, LOGL_INFO, "- Changing Control TS %d\n",
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tbf->first_common_ts);
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tbf->control_ts = tbf->first_common_ts;
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return 0;
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}
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static const char *tbf_state_name[] = {
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"NULL",
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"ASSIGN",
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"FLOW",
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"FINISHED",
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"WAIT RELEASE",
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"RELEASING",
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};
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void tbf_new_state(struct gprs_rlcmac_tbf *tbf,
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enum gprs_rlcmac_tbf_state state)
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{
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debug_diagram(tbf->diag, "->%s", tbf_state_name[state]);
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LOGP(DRLCMAC, LOGL_DEBUG, "%s TBF=%d changes state from %s to %s\n",
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(tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL", tbf->tfi,
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tbf_state_name[tbf->state], tbf_state_name[state]);
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tbf->set_state(state);
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}
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void tbf_timer_start(struct gprs_rlcmac_tbf *tbf, unsigned int T,
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unsigned int seconds, unsigned int microseconds)
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{
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if (!osmo_timer_pending(&tbf->timer))
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LOGP(DRLCMAC, LOGL_DEBUG, "Starting %s TBF=%d timer %u.\n",
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(tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL",
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tbf->tfi, T);
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else
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LOGP(DRLCMAC, LOGL_DEBUG, "Restarting %s TBF=%d timer %u "
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"while old timer %u pending \n",
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(tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL",
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tbf->tfi, T, tbf->T);
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tbf->T = T;
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tbf->num_T_exp = 0;
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/* Tunning timers can be safely re-scheduled. */
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tbf->timer.data = tbf;
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tbf->timer.cb = &tbf_timer_cb;
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osmo_timer_schedule(&tbf->timer, seconds, microseconds);
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}
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void tbf_timer_stop(struct gprs_rlcmac_tbf *tbf)
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{
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if (osmo_timer_pending(&tbf->timer)) {
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LOGP(DRLCMAC, LOGL_DEBUG, "Stopping %s TBF=%d timer %u.\n",
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(tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL",
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tbf->tfi, tbf->T);
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osmo_timer_del(&tbf->timer);
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}
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}
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/* lookup TBF Entity (by TFI) */
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struct gprs_rlcmac_tbf *tbf_by_tfi(struct gprs_rlcmac_bts *bts,
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uint8_t tfi, uint8_t trx, enum gprs_rlcmac_tbf_direction dir)
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{
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struct gprs_rlcmac_tbf *tbf;
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if (tfi >= 32 || trx >= 8)
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return NULL;
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if (dir == GPRS_RLCMAC_UL_TBF)
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tbf = bts->trx[trx].ul_tbf[tfi];
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else
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tbf = bts->trx[trx].dl_tbf[tfi];
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if (!tbf)
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return NULL;
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if (tbf->state_is_not(GPRS_RLCMAC_RELEASING))
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return tbf;
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return NULL;
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}
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/* search for active downlink or uplink tbf */
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struct gprs_rlcmac_tbf *tbf_by_tlli(uint32_t tlli,
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enum gprs_rlcmac_tbf_direction dir)
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{
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struct gprs_rlcmac_tbf *tbf;
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if (dir == GPRS_RLCMAC_UL_TBF) {
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llist_for_each_entry(tbf, &gprs_rlcmac_ul_tbfs, list) {
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if (tbf->state_is_not(GPRS_RLCMAC_RELEASING)
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&& tbf->tlli == tlli && tbf->tlli_valid)
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return tbf;
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}
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} else {
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llist_for_each_entry(tbf, &gprs_rlcmac_dl_tbfs, list) {
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if (tbf->state_is_not(GPRS_RLCMAC_RELEASING)
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&& tbf->tlli == tlli)
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return tbf;
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}
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}
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return NULL;
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}
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struct gprs_rlcmac_tbf *tbf_by_poll_fn(uint32_t fn, uint8_t trx, uint8_t ts)
|
|
{
|
|
struct gprs_rlcmac_tbf *tbf;
|
|
|
|
/* only one TBF can poll on specific TS/FN, because scheduler can only
|
|
* schedule one downlink control block (with polling) at a FN per TS */
|
|
llist_for_each_entry(tbf, &gprs_rlcmac_ul_tbfs, list) {
|
|
if (tbf->state_is_not(GPRS_RLCMAC_RELEASING)
|
|
&& tbf->poll_state == GPRS_RLCMAC_POLL_SCHED
|
|
&& tbf->poll_fn == fn && tbf->trx_no == trx
|
|
&& tbf->control_ts == ts)
|
|
return tbf;
|
|
}
|
|
llist_for_each_entry(tbf, &gprs_rlcmac_dl_tbfs, list) {
|
|
if (tbf->state_is_not(GPRS_RLCMAC_RELEASING)
|
|
&& tbf->poll_state == GPRS_RLCMAC_POLL_SCHED
|
|
&& tbf->poll_fn == fn && tbf->trx_no == trx
|
|
&& tbf->control_ts == ts)
|
|
return tbf;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
struct gprs_rlcmac_tbf *tbf_alloc(struct gprs_rlcmac_bts *bts,
|
|
struct gprs_rlcmac_tbf *old_tbf, enum gprs_rlcmac_tbf_direction dir,
|
|
uint8_t tfi, uint8_t trx,
|
|
uint8_t ms_class, uint8_t single_slot)
|
|
{
|
|
struct gprs_rlcmac_tbf *tbf;
|
|
int rc;
|
|
|
|
#ifdef DEBUG_DIAGRAM
|
|
/* hunt for first free number in diagram */
|
|
int diagram_num;
|
|
for (diagram_num = 0; ; diagram_num++) {
|
|
llist_for_each_entry(tbf, &gprs_rlcmac_ul_tbfs, list) {
|
|
if (tbf->diag == diagram_num)
|
|
goto next_diagram;
|
|
}
|
|
llist_for_each_entry(tbf, &gprs_rlcmac_dl_tbfs, list) {
|
|
if (tbf->diag == diagram_num)
|
|
goto next_diagram;
|
|
}
|
|
break;
|
|
next_diagram:
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
LOGP(DRLCMAC, LOGL_DEBUG, "********** TBF starts here **********\n");
|
|
LOGP(DRLCMAC, LOGL_INFO, "Allocating %s TBF: TFI=%d TRX=%d "
|
|
"MS_CLASS=%d\n", (dir == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL",
|
|
tfi, trx, ms_class);
|
|
|
|
if (trx >= 8 || tfi >= 32)
|
|
return NULL;
|
|
|
|
tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_tbf);
|
|
if (!tbf)
|
|
return NULL;
|
|
|
|
#ifdef DEBUG_DIAGRAM
|
|
tbf->diag = diagram_num;
|
|
#endif
|
|
tbf->direction = dir;
|
|
tbf->tfi = tfi;
|
|
tbf->trx_no = trx;
|
|
tbf->trx = &bts->trx[trx];
|
|
tbf->arfcn = bts->trx[trx].arfcn;
|
|
tbf->ms_class = ms_class;
|
|
tbf->ws = 64;
|
|
tbf->sns = 128;
|
|
/* select algorithm */
|
|
rc = bts->alloc_algorithm(bts, old_tbf, tbf, bts->alloc_algorithm_curst,
|
|
single_slot);
|
|
/* if no ressource */
|
|
if (rc < 0) {
|
|
talloc_free(tbf);
|
|
return NULL;
|
|
}
|
|
/* assign control ts */
|
|
tbf->control_ts = 0xff;
|
|
rc = tbf_assign_control_ts(tbf);
|
|
/* if no ressource */
|
|
if (rc < 0) {
|
|
talloc_free(tbf);
|
|
return NULL;
|
|
}
|
|
|
|
/* set timestamp */
|
|
gettimeofday(&tbf->meas.dl_bw_tv, NULL);
|
|
gettimeofday(&tbf->meas.rssi_tv, NULL);
|
|
gettimeofday(&tbf->meas.dl_loss_tv, NULL);
|
|
|
|
INIT_LLIST_HEAD(&tbf->llc_queue);
|
|
if (dir == GPRS_RLCMAC_UL_TBF)
|
|
llist_add(&tbf->list, &gprs_rlcmac_ul_tbfs);
|
|
else
|
|
llist_add(&tbf->list, &gprs_rlcmac_dl_tbfs);
|
|
|
|
debug_diagram(tbf->diag, "+-----------------+");
|
|
debug_diagram(tbf->diag, "|NEW %s TBF TFI=%2d|",
|
|
(dir == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL", tfi);
|
|
debug_diagram(tbf->diag, "+-----------------+");
|
|
|
|
return tbf;
|
|
}
|
|
|
|
void tbf_timer_cb(void *_tbf)
|
|
{
|
|
struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)_tbf;
|
|
|
|
LOGP(DRLCMAC, LOGL_DEBUG, "%s TBF=%d timer %u expired.\n",
|
|
(tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL", tbf->tfi,
|
|
tbf->T);
|
|
|
|
tbf->num_T_exp++;
|
|
|
|
switch (tbf->T) {
|
|
#ifdef DEBUG_DL_ASS_IDLE
|
|
case 1234:
|
|
gprs_rlcmac_trigger_downlink_assignment(tbf, NULL, debug_imsi);
|
|
break;
|
|
#endif
|
|
case 0: /* assignment */
|
|
if ((tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) {
|
|
if (tbf->state_is(GPRS_RLCMAC_ASSIGN)) {
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "Releasing due to "
|
|
"PACCH assignment timeout.\n");
|
|
tbf_free(tbf);
|
|
} else
|
|
LOGP(DRLCMAC, LOGL_ERROR, "Error: TBF is not "
|
|
"in assign state\n");
|
|
}
|
|
if ((tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) {
|
|
/* change state to FLOW, so scheduler will start transmission */
|
|
tbf->dir.dl.wait_confirm = 0;
|
|
if (tbf->state_is(GPRS_RLCMAC_ASSIGN)) {
|
|
tbf_new_state(tbf, GPRS_RLCMAC_FLOW);
|
|
tbf_assign_control_ts(tbf);
|
|
} else
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "Continue flow after "
|
|
"IMM.ASS confirm\n");
|
|
}
|
|
break;
|
|
case 3169:
|
|
case 3191:
|
|
case 3195:
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "TBF T%d timeout during "
|
|
"transsmission\n", tbf->T);
|
|
tbf->rlcmac_diag();
|
|
/* fall through */
|
|
case 3193:
|
|
if (tbf->T == 3193)
|
|
debug_diagram(tbf->diag, "T3193 timeout");
|
|
LOGP(DRLCMAC, LOGL_DEBUG, "TBF will be freed due to timeout\n");
|
|
/* free TBF */
|
|
tbf_free(tbf);
|
|
break;
|
|
default:
|
|
LOGP(DRLCMAC, LOGL_ERROR, "Timer expired in unknown mode: %u\n",
|
|
tbf->T);
|
|
}
|
|
}
|
|
|
|
int gprs_rlcmac_tbf::rlcmac_diag()
|
|
{
|
|
if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)))
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "- Assignment was on CCCH\n");
|
|
if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH)))
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "- Assignment was on PACCH\n");
|
|
if ((state_flags & (1 << GPRS_RLCMAC_FLAG_UL_DATA)))
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "- Uplink data was received\n");
|
|
else if (direction == GPRS_RLCMAC_UL_TBF)
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "- No uplink data received yet\n");
|
|
if ((state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK)))
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "- Downlink ACK was received\n");
|
|
else if (direction == GPRS_RLCMAC_DL_TBF)
|
|
LOGP(DRLCMAC, LOGL_NOTICE, "- No downlink ACK received yet\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
void gprs_rlcmac_tbf::free_all(struct gprs_rlcmac_trx *trx)
|
|
{
|
|
for (uint8_t tfi = 0; tfi < 32; tfi++) {
|
|
struct gprs_rlcmac_tbf *tbf;
|
|
|
|
tbf = trx->ul_tbf[tfi];
|
|
if (tbf)
|
|
tbf_free(tbf);
|
|
tbf = trx->dl_tbf[tfi];
|
|
if (tbf)
|
|
tbf_free(tbf);
|
|
}
|
|
}
|
|
|
|
void gprs_rlcmac_tbf::free_all(struct gprs_rlcmac_pdch *pdch)
|
|
{
|
|
for (uint8_t tfi = 0; tfi < 32; tfi++) {
|
|
struct gprs_rlcmac_tbf *tbf;
|
|
|
|
tbf = pdch->ul_tbf[tfi];
|
|
if (tbf)
|
|
tbf_free(tbf);
|
|
tbf = pdch->dl_tbf[tfi];
|
|
if (tbf)
|
|
tbf_free(tbf);
|
|
}
|
|
}
|