cellular-infrastructure
/
osmo-pcu
mirror of https://gerrit.osmocom.org/osmo-pcu
9
0
Fork 1
Code Issues Releases Wiki Activity

Fixed Downlink TBF Establishment on CCCH. 

UL TBF should be released before DL TBF establishment on CCCH.
Added delay after transmitting Immediate Assignment.
This commit is contained in:
Ivan Kluchnikov 2012-06-26 19:33:44 +04:00
parent cf7b3a529f
commit d78ee73623
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/gprs_rlcmac.cpp
View File

@ -327,9 +327,8 @@ int tbf_dl_establish(struct gprs_rlcmac_tbf *tbf, uint8_t *imsi)
else
{
// Downlink TBF Establishment on CCCH ( Immediate Assignment )
gprs_rlcmac_downlink_assignment(tbf);
tbf_gsm_timer_start(tbf, 1, 0);
}
tbf->state = FINISH_ESTABLISH;
break;
case PACCH_ESTABLISH:
// Downlink TBF Establishment on PACCH ( Packet Immediate Assignment )
@ -537,7 +536,22 @@ static void tbf_gsm_timer_cb(void *_tbf)
tbf->num_fT_exp++;
switch (tbf->fT) {
case 1:
if (tbf_by_tlli(tbf->tlli, GPRS_RLCMAC_UL_TBF))
{
// Wait release of UL TBF
tbf_gsm_timer_start(tbf, 1, 10);
}
else
{
gprs_rlcmac_downlink_assignment(tbf);
// FIXME: Remove magic delay!
int delay = 50;
tbf_gsm_timer_start(tbf, 2, delay);
}
break;
case 2:
tbf->state = FINISH_ESTABLISH;
tbf_dl_data_transfer(tbf);
break;
default: