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Process all calls to RLF in the main RRC task

This commit is contained in:
Ismael Gomez 2020-07-30 17:14:02 +02:00
parent af8898943f
commit 06a5bdaab2
2 changed files with 21 additions and 10 deletions
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3
srsue/hdr/stack/rrc/rrc.h
View File

@ -350,7 +350,8 @@ private:
void ho_failed();
void start_go_idle();
void rrc_connection_release(const std::string& cause);
void radio_link_failure();
void radio_link_failure_push_cmd();
void radio_link_failure_process();
void leave_connected();
void stop_timers();
void start_con_restablishment(asn1::rrc::reest_cause_e cause);

28
srsue/src/stack/rrc/rrc.cc
View File

@ -201,7 +201,7 @@ void rrc::run_tti()
}
if (simulate_rlf) {
radio_link_failure();
radio_link_failure_process();
simulate_rlf = false;
}
@ -237,7 +237,7 @@ void rrc::run_tti()
process_pcch(std::move(msg.pdu));
break;
case cmd_msg_t::RLF:
radio_link_failure();
radio_link_failure_process();
break;
case cmd_msg_t::HO_COMPLETE:
ho_handler.trigger(ho_proc::ra_completed_ev{msg.lcid > 0});
@ -560,10 +560,22 @@ bool rrc::mbms_service_start(uint32_t serv, uint32_t port)
*
*******************************************************************************/
/* Detection of radio link failure (5.3.11.3)
* Upon T310 expiry, RA problem or RLC max retx
/*
* This function is called from T310 expiry, RA problem or RLC max retx
* Pushes a command to the command queue to process the actions in the background
*/
void rrc::radio_link_failure()
void rrc::radio_link_failure_push_cmd()
{
cmd_msg_t msg;
msg.command = cmd_msg_t::RLF;
cmd_q.push(std::move(msg));
}
/*
* Perform the actions upon detection of radio link failure (5.3.11.3)
* This function must be executed from the main RRC task to avoid stack loops
*/
void rrc::radio_link_failure_process()
{
// TODO: Generate and store failure report
rrc_log->warning("Detected Radio-Link Failure\n");
@ -592,16 +604,14 @@ void rrc::max_retx_attempted()
{
// TODO: Handle the radio link failure
rrc_log->warning("Max RLC reTx attempted\n");
cmd_msg_t msg;
msg.command = cmd_msg_t::RLF;
cmd_q.push(std::move(msg));
radio_link_failure_push_cmd();
}
void rrc::timer_expired(uint32_t timeout_id)
{
if (timeout_id == t310.id()) {
rrc_log->info("Timer T310 expired: Radio Link Failure\n");
radio_link_failure();
radio_link_failure_push_cmd();
} else if (timeout_id == t311.id()) {
if (connection_reest.is_idle()) {
rrc_log->info("Timer T311 expired: Going to RRC IDLE\n");