mirror of https://github.com/PentHertz/srsLTE.git
fix padding BSR generation and add test for it
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fab75592ec
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7145cd2358
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@ -369,8 +369,9 @@ bool bsr_proc::generate_padding_bsr(uint32_t nof_padding_bytes, bsr_t* bsr)
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pthread_mutex_lock(&mutex);
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if (triggered_bsr_type != NONE && nof_padding_bytes >= 2) {
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if (triggered_bsr_type == NONE && nof_padding_bytes >= 2) {
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// generate padding BSR
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triggered_bsr_type = PADDING;
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generate_bsr(bsr, nof_padding_bytes);
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ret = true;
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@ -644,6 +644,61 @@ int mac_ul_sch_pdu_with_short_bsr_test()
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return SRSLTE_SUCCESS;
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}
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// PDU with only padding BSR (long BSR) and the rest padding
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int mac_ul_sch_pdu_with_padding_bsr_test()
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{
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const uint8_t tv[] = {0x3e, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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srslte::log_filter mac_log("MAC");
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mac_log.set_level(srslte::LOG_LEVEL_DEBUG);
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mac_log.set_hex_limit(100000);
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srslte::log_filter rlc_log("RLC");
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rlc_log.set_level(srslte::LOG_LEVEL_DEBUG);
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rlc_log.set_hex_limit(100000);
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// dummy layers
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phy_dummy phy;
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rlc_dummy rlc(&rlc_log);
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rrc_dummy rrc;
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// the actual MAC
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mac mac;
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mac.init(&phy, &rlc, &rrc, &mac_log);
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const uint16_t crnti = 0x1001;
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mac.set_ho_rnti(crnti, 0);
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// create UL action and grant and push MAC PDU
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{
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mac_interface_phy_lte::tb_action_ul_t ul_action = {};
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mac_interface_phy_lte::mac_grant_ul_t mac_grant = {};
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mac_grant.rnti = crnti; // make sure MAC picks it up as valid UL grant
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mac_grant.tb.ndi_present = true;
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mac_grant.tb.ndi = true;
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mac_grant.tb.tbs = 10; // give enough room for Padding BSR
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int cc_idx = 0;
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// Send grant to MAC and get action for this TB, then call tb_decoded to unlock MAC
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mac.new_grant_ul(cc_idx, mac_grant, &ul_action);
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// print generated PDU
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mac_log.info_hex(ul_action.tb.payload, mac_grant.tb.tbs, "Generated PDU (%d B)\n", mac_grant.tb.tbs);
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#if HAVE_PCAP
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pcap_handle->write_ul_crnti(ul_action.tb.payload, mac_grant.tb.tbs, 0x1001, true, 1);
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#endif
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TESTASSERT(memcmp(ul_action.tb.payload, tv, sizeof(tv)) == 0);
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}
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// make sure MAC PDU thread picks up before stopping
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sleep(1);
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mac.run_tti(0);
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mac.stop();
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return SRSLTE_SUCCESS;
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}
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int main(int argc, char** argv)
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{
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#if HAVE_PCAP
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@ -681,5 +736,10 @@ int main(int argc, char** argv)
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return -1;
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}
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if (mac_ul_sch_pdu_with_padding_bsr_test()) {
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printf("mac_ul_sch_pdu_with_padding_bsr_test() test failed.\n");
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return -1;
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}
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return 0;
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}
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