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add out-of-order test for RLC AM PDUs

This commit is contained in:
Andre Puschmann 2018-11-22 13:18:53 +01:00
parent 1ffd8d48ce
commit 398e271eee
1 changed files with 31 additions and 14 deletions
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45
lib/test/upper/rlc_am_test.cc
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@ -316,7 +316,7 @@ bool concat_test()
return 0;
}
bool segment_test()
bool segment_test(bool in_seq_rx)
{
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
@ -378,23 +378,34 @@ bool segment_test()
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2
for(int i=0;i<n_pdus;i++)
{
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
if (in_seq_rx) {
// deliver PDUs in order
for (int i = 0; i < n_pdus; ++i) {
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
} else {
// deliver PDUs in reverse order
for (int i = n_pdus - 1; i >= 0; --i) {
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
}
assert(2 == rlc2.get_buffer_state());
// Receiver will only generate status PDU if they arrive in order
// If SN=7 arrives first, but the Rx expects SN=0, status reporting will be delayed, see TS 36.322 v10 Section 5.2.3
if (in_seq_rx) {
assert(2 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
status_buf.N_bytes = len;
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
status_buf.N_bytes = len;
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
}
assert(0 == rlc2.get_buffer_state());
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
@ -1706,8 +1717,14 @@ int main(int argc, char **argv)
};
byte_buffer_pool::get_instance()->cleanup();
if (segment_test()) {
printf("segment_test failed\n");
if (segment_test(true)) {
printf("segment_test with in-order PDU reception failed\n");
exit(-1);
};
byte_buffer_pool::get_instance()->cleanup();
if (segment_test(false)) {
printf("segment_test with out-of-order PDU reception failed\n");
exit(-1);
};
byte_buffer_pool::get_instance()->cleanup();