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srsLTE
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Fix UE not reconnecting after paging (workaround)

This commit is contained in:
Ismael Gomez 2018-09-04 17:50:14 +02:00
parent 8d56b254f5
commit 695990f297
1 changed files with 19 additions and 6 deletions
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25
srsue/src/upper/rrc.cc
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@ -1942,12 +1942,31 @@ void rrc::write_sdu(uint32_t lcid, byte_buffer_t *sdu) {
void rrc::write_pdu(uint32_t lcid, byte_buffer_t *pdu) {
rrc_log->info_hex(pdu->msg, pdu->N_bytes, "RX %s PDU", get_rb_name(lcid).c_str());
// If the message contains a ConnectionSetup, acknowledge the transmission to avoid blocking of paging procedure
if (lcid == 0) {
// FIXME: We unpack and process this message twice to check if it's ConnectionSetup
srslte_bit_unpack_vector(pdu->msg, bit_buf.msg, pdu->N_bytes * 8);
bit_buf.N_bits = pdu->N_bytes * 8;
bzero(&dl_ccch_msg, sizeof(LIBLTE_RRC_DL_CCCH_MSG_STRUCT));
liblte_rrc_unpack_dl_ccch_msg((LIBLTE_BIT_MSG_STRUCT *) &bit_buf, &dl_ccch_msg);
if (dl_ccch_msg.msg_type == LIBLTE_RRC_DL_CCCH_MSG_TYPE_RRC_CON_SETUP) {
// Must enter CONNECT before stopping T300
state = RRC_STATE_CONNECTED;
mac_timers->timer_get(t300)->stop();
mac_timers->timer_get(t302)->stop();
rrc_log->console("RRC Connected\n");
}
}
// add PDU to command queue
cmd_msg_t msg;
msg.pdu = pdu;
msg.command = cmd_msg_t::PDU;
msg.lcid = lcid;
cmd_q.push(msg);
}
void rrc::process_pdu(uint32_t lcid, byte_buffer_t *pdu)
@ -2561,12 +2580,6 @@ void rrc::handle_con_setup(LIBLTE_RRC_CONNECTION_SETUP_STRUCT *setup) {
// Apply the Radio Resource configuration
apply_rr_config_dedicated(&setup->rr_cnfg);
// Must enter CONNECT before stopping T300
state = RRC_STATE_CONNECTED;
rrc_log->console("RRC Connected\n");
mac_timers->timer_get(t300)->stop();
mac_timers->timer_get(t302)->stop();
nas->set_barring(nas_interface_rrc::BARRING_NONE);
if (dedicatedInfoNAS) {