pespin has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-pcu/+/15601


Change subject: pdch.cpp: Use pcu_l1_meas previously filled by lower layers
......................................................................

pdch.cpp: Use pcu_l1_meas previously filled by lower layers

Otherwise, a new meas object is allocated in the stack in upper layers
which doesn't contain the link_qual information (have_link_qual=0),
outputting following error:

osmo-pcu/src/gprs_ms.cpp:644 Unable to update UL (M)CS CS-2 because we don't 
have link quality measurements.

Change-Id: I1980ca325c8d65f3f6310fa697dd810eec7ab077
---
M src/pdch.cpp
M src/pdch.h
2 files changed, 19 insertions(+), 21 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/01/15601/1

diff --git a/src/pdch.cpp b/src/pdch.cpp
index 5ae7e63..24bbbb1 100644
--- a/src/pdch.cpp
+++ b/src/pdch.cpp
@@ -373,12 +373,11 @@
                "at no request\n");
 }

-void gprs_rlcmac_pdch::rcv_control_dl_ack_nack(Packet_Downlink_Ack_Nack_t 
*ack_nack, uint32_t fn)
+void gprs_rlcmac_pdch::rcv_control_dl_ack_nack(Packet_Downlink_Ack_Nack_t 
*ack_nack, uint32_t fn, struct pcu_l1_meas *meas)
 {
        int8_t tfi = 0; /* must be signed */
        struct gprs_rlcmac_dl_tbf *tbf;
        int rc;
-       struct pcu_l1_meas meas;
        int num_blocks;
        uint8_t bits_data[RLC_GPRS_WS/8];
        bitvec bits;
@@ -435,16 +434,15 @@

        /* get measurements */
        if (tbf->ms()) {
-               get_meas(&meas, &ack_nack->Channel_Quality_Report);
-               tbf->ms()->update_l1_meas(&meas);
+               get_meas(meas, &ack_nack->Channel_Quality_Report);
+               tbf->ms()->update_l1_meas(meas);
        }
 }

-void gprs_rlcmac_pdch::rcv_control_egprs_dl_ack_nack(EGPRS_PD_AckNack_t 
*ack_nack, uint32_t fn)
+void gprs_rlcmac_pdch::rcv_control_egprs_dl_ack_nack(EGPRS_PD_AckNack_t 
*ack_nack, uint32_t fn, struct pcu_l1_meas *meas)
 {
        int8_t tfi = 0; /* must be signed */
        struct gprs_rlcmac_dl_tbf *tbf;
-       struct pcu_l1_meas meas;
        int rc;
        int num_blocks;
        uint8_t bits_data[RLC_EGPRS_MAX_WS/8];
@@ -526,13 +524,13 @@
        if (tbf->ms()) {
                /* TODO: Implement Measurements parsing for EGPRS */
                /*
-               get_meas(&meas, &ack_nack->Channel_Quality_Report);
-               tbf->ms()->update_l1_meas(&meas);
+               get_meas(meas, &ack_nack->Channel_Quality_Report);
+               tbf->ms()->update_l1_meas(meas);
                */
        }
 }

-void gprs_rlcmac_pdch::rcv_resource_request(Packet_Resource_Request_t 
*request, uint32_t fn)
+void gprs_rlcmac_pdch::rcv_resource_request(Packet_Resource_Request_t 
*request, uint32_t fn, struct pcu_l1_meas *meas)
 {
        struct gprs_rlcmac_sba *sba;

@@ -543,7 +541,6 @@
                uint8_t ms_class = 0;
                uint8_t egprs_ms_class = 0;
                uint8_t ta = GSM48_TA_INVALID;
-               struct pcu_l1_meas meas;

                GprsMs *ms = bts()->ms_by_tlli(tlli);
                /* Keep the ms, even if it gets idle temporarily */
@@ -621,8 +618,8 @@

                /* get measurements */
                if (ul_tbf->ms()) {
-                       get_meas(&meas, request);
-                       ul_tbf->ms()->update_l1_meas(&meas);
+                       get_meas(meas, request);
+                       ul_tbf->ms()->update_l1_meas(meas);
                }
                return;
        }
@@ -681,7 +678,7 @@

 /* Received Uplink RLC control block. */
 int gprs_rlcmac_pdch::rcv_control_block(const uint8_t *data, uint8_t data_len,
-                                       uint32_t fn, GprsCodingScheme cs)
+                                       uint32_t fn, struct pcu_l1_meas *meas, 
GprsCodingScheme cs)
 {
        bitvec *rlc_block;
        RlcMacUplink_t *ul_control_block;
@@ -708,13 +705,13 @@
                
rcv_control_ack(&ul_control_block->u.Packet_Control_Acknowledgement, fn);
                break;
        case MT_PACKET_DOWNLINK_ACK_NACK:
-               
rcv_control_dl_ack_nack(&ul_control_block->u.Packet_Downlink_Ack_Nack, fn);
+               
rcv_control_dl_ack_nack(&ul_control_block->u.Packet_Downlink_Ack_Nack, fn, 
meas);
                break;
        case MT_EGPRS_PACKET_DOWNLINK_ACK_NACK:
-               
rcv_control_egprs_dl_ack_nack(&ul_control_block->u.Egprs_Packet_Downlink_Ack_Nack,
 fn);
+               
rcv_control_egprs_dl_ack_nack(&ul_control_block->u.Egprs_Packet_Downlink_Ack_Nack,
 fn, meas);
                break;
        case MT_PACKET_RESOURCE_REQUEST:
-               
rcv_resource_request(&ul_control_block->u.Packet_Resource_Request, fn);
+               
rcv_resource_request(&ul_control_block->u.Packet_Resource_Request, fn, meas);
                break;
        case MT_PACKET_MEASUREMENT_REPORT:
                
rcv_measurement_report(&ul_control_block->u.Packet_Measurement_Report, fn);
@@ -832,7 +829,7 @@
                rc = rcv_data_block(data, data_len, fn, meas, cs);
                break;
        case GPRS_RLCMAC_CONTROL_BLOCK:
-               rc = rcv_control_block(data, data_len, fn, cs);
+               rc = rcv_control_block(data, data_len, fn, meas, cs);
                break;
        case GPRS_RLCMAC_CONTROL_BLOCK_OPT:
                LOGP(DRLCMAC, LOGL_NOTICE, "GPRS_RLCMAC_CONTROL_BLOCK_OPT block 
payload is not supported.\n");
diff --git a/src/pdch.h b/src/pdch.h
index e23d56f..3015023 100644
--- a/src/pdch.h
+++ b/src/pdch.h
@@ -94,12 +94,13 @@

 #ifdef __cplusplus
 private:
-       int rcv_control_block(const uint8_t *data, uint8_t data_len, uint32_t 
fn, GprsCodingScheme cs);
+       int rcv_control_block(const uint8_t *data, uint8_t data_len, uint32_t 
fn,
+                             struct pcu_l1_meas *meas, GprsCodingScheme cs);

        void rcv_control_ack(Packet_Control_Acknowledgement_t *, uint32_t fn);
-       void rcv_control_dl_ack_nack(Packet_Downlink_Ack_Nack_t *, uint32_t fn);
-       void rcv_control_egprs_dl_ack_nack(EGPRS_PD_AckNack_t *, uint32_t fn);
-       void rcv_resource_request(Packet_Resource_Request_t *t, uint32_t fn);
+       void rcv_control_dl_ack_nack(Packet_Downlink_Ack_Nack_t *, uint32_t fn, 
struct pcu_l1_meas *meas);
+       void rcv_control_egprs_dl_ack_nack(EGPRS_PD_AckNack_t *, uint32_t fn, 
struct pcu_l1_meas *meas);
+       void rcv_resource_request(Packet_Resource_Request_t *t, uint32_t fn, 
struct pcu_l1_meas *meas);
        void rcv_measurement_report(Packet_Measurement_Report_t *t, uint32_t 
fn);
        gprs_rlcmac_tbf *tbf_from_list_by_tfi(
                LListHead<gprs_rlcmac_tbf> *tbf_list, uint8_t tfi,

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Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Change-Id: I1980ca325c8d65f3f6310fa697dd810eec7ab077
Gerrit-Change-Number: 15601
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pes...@sysmocom.de>
Gerrit-MessageType: newchange

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