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srsLTE
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add API to change LCID of RLC bearers

This commit is contained in:
Andre Puschmann 2018-09-17 13:11:03 +02:00
parent 27459bf706
commit 10bc01a7ae
2 changed files with 26 additions and 1 deletions
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1
lib/include/srslte/upper/rlc.h
View File

@ -87,6 +87,7 @@ public:
void add_bearer(uint32_t lcid, srslte_rlc_config_t cnfg);
void add_bearer_mrb(uint32_t lcid);
void del_bearer(uint32_t lcid);
void change_lcid(uint32_t old_lcid, uint32_t new_lcid);
private:
void reset_metrics();

26
lib/src/upper/rlc.cc
View File

@ -505,13 +505,37 @@ void rlc::del_bearer(uint32_t lcid)
rlc_array.erase(it);
rlc_log->warning("Deleted RLC bearer %s\n", rrc->get_rb_name(lcid).c_str());
} else {
rlc_log->warning("Can't delete bearer %s. Bearer doesn't exist.\n", rrc->get_rb_name(lcid).c_str());
rlc_log->error("Can't delete bearer %s. Bearer doesn't exist.\n", rrc->get_rb_name(lcid).c_str());
}
pthread_rwlock_unlock(&rwlock);
}
void rlc::change_lcid(uint32_t old_lcid, uint32_t new_lcid)
{
pthread_rwlock_wrlock(&rwlock);
// make sure old LCID exists and new LCID is still free
if (valid_lcid(old_lcid) && not valid_lcid(new_lcid)) {
// insert old rlc entity into new LCID
rlc_map_t::iterator it = rlc_array.find(old_lcid);
rlc_common *rlc_entity = it->second;
if (not rlc_array.insert(rlc_map_pair_t(new_lcid, rlc_entity)).second) {
rlc_log->error("Error inserting RLC entity into array\n.");
goto exit;
}
// erase from old position
rlc_array.erase(it);
rlc_log->warning("Changed LCID of RLC bearer from %d to %d\n", old_lcid, new_lcid);
} else {
rlc_log->error("Can't change LCID of bearer %s from %d to %d. Bearer doesn't exist or new LCID already occupied.\n", rrc->get_rb_name(old_lcid).c_str(), old_lcid, new_lcid);
}
exit:
pthread_rwlock_unlock(&rwlock);
}
/*******************************************************************************
Helpers (Lock must be hold when calling those)
*******************************************************************************/