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srsLTE
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Discard duplicated TB after timeout

This commit is contained in:
Ismael Gomez 2018-03-07 00:28:52 +01:00
parent be7dc37e7c
commit a85368cac0
1 changed files with 15 additions and 2 deletions
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17
srsue/hdr/mac/dl_harq.h
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@ -190,6 +190,9 @@ private:
}
private:
const static int RESET_DUPLICATE_TIMEOUT = 8*6;
class dl_tb_process {
public:
dl_tb_process(void) {
@ -273,6 +276,10 @@ private:
grant.last_tti = cur_grant.tti;
memcpy(&cur_grant, &grant, sizeof(Tgrant));
if (payload_buffer_ptr) {
Warning("DL PID %d: Allocating buffer already allocated\n", pid);
}
// Instruct the PHY To combine the received data and attempt to decode it
if (pid == HARQ_BCCH_PID) {
payload_buffer_ptr = harq_entity->demux_unit->request_buffer_bcch(cur_grant.n_bytes[tid]);
@ -294,8 +301,14 @@ private:
} else {
action->default_ack[tid] = true;
Warning("DL PID %d: Received duplicate TB. Discarting and retransmitting ACK (grant_tti=%d, ndi=%d, sz=%d)\n",
pid, cur_grant.tti, cur_grant.ndi[tid], cur_grant.n_bytes[tid]);
uint32_t interval = srslte_tti_interval(grant.tti, cur_grant.tti);
Warning("DL PID %d: Received duplicate TB. Discarting and retransmitting ACK (grant_tti=%d, ndi=%d, sz=%d, reset=%s)\n",
pid, cur_grant.tti, cur_grant.ndi[tid], cur_grant.n_bytes[tid], interval>RESET_DUPLICATE_TIMEOUT?"yes":"no");
if (interval > RESET_DUPLICATE_TIMEOUT) {
pthread_mutex_unlock(&mutex);
reset();
pthread_mutex_lock(&mutex);
}
}
if (pid == HARQ_BCCH_PID || harq_entity->timer_aligment_timer->is_expired()) {