Harald Welte has submitted this change and it was merged.

Change subject: sgsn: Fill the cch_pdp with a value coming from the tlv 
structure
......................................................................


sgsn: Fill the cch_pdp with a value coming from the tlv structure

For some GGSNs we need to insert the PDP Charging Characteristics
that were returned. We receive these values from GSUP and will
fill them into the tlv structure when finding the ggsn context.

Change-Id: I1725bfd2403d29ce3550bfcd6fcc1498426ef906
---
M openbsc/include/openbsc/gprs_sgsn.h
M openbsc/src/gprs/gprs_sgsn.c
M openbsc/src/gprs/gprs_subscriber.c
M openbsc/src/gprs/sgsn_libgtp.c
4 files changed, 42 insertions(+), 5 deletions(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/openbsc/include/openbsc/gprs_sgsn.h 
b/openbsc/include/openbsc/gprs_sgsn.h
index fd86174..4e49c08 100644
--- a/openbsc/include/openbsc/gprs_sgsn.h
+++ b/openbsc/include/openbsc/gprs_sgsn.h
@@ -393,6 +393,8 @@
        char                    apn_str[GSM_APN_LENGTH];
        uint8_t                 qos_subscribed[20];
        size_t                  qos_subscribed_len;
+       uint8_t                 pdp_charg[2];
+       bool                    has_pdp_charg;
 };
 
 struct sgsn_subscriber_data {
@@ -407,6 +409,9 @@
 
        uint8_t                 hlr[9];
        size_t                  hlr_len;
+
+       uint8_t                 pdp_charg[2];
+       bool                    has_pdp_charg;
 };
 
 #define SGSN_ERROR_CAUSE_NONE (-1)
diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c
index 071dd97..fbea5b9 100644
--- a/openbsc/src/gprs/gprs_sgsn.c
+++ b/openbsc/src/gprs/gprs_sgsn.c
@@ -698,10 +698,21 @@
        sgsn_auth_update(mmctx);
 }
 
-static void insert_qos(struct tlv_parsed *tp, struct sgsn_subscriber_pdp_data 
*pdp)
+static void insert_extra(struct tlv_parsed *tp,
+                       struct sgsn_subscriber_data *data,
+                       struct sgsn_subscriber_pdp_data *pdp)
 {
        tp->lv[OSMO_IE_GSM_SUB_QOS].len = pdp->qos_subscribed_len;
        tp->lv[OSMO_IE_GSM_SUB_QOS].val = pdp->qos_subscribed;
+
+       /* Prefer PDP charging characteristics of per subscriber one */
+       if (pdp->has_pdp_charg) {
+               tp->lv[OSMO_IE_GSM_CHARG_CHAR].len = sizeof(pdp->pdp_charg);
+               tp->lv[OSMO_IE_GSM_CHARG_CHAR].val = &pdp->pdp_charg[0];
+       } else if (data->has_pdp_charg) {
+               tp->lv[OSMO_IE_GSM_CHARG_CHAR].len = sizeof(data->pdp_charg);
+               tp->lv[OSMO_IE_GSM_CHARG_CHAR].val = &data->pdp_charg[0];
+       }
 }
 
 /**
@@ -750,7 +761,7 @@
                        {
                                allow_any_apn = 1;
                                selected_apn_str = "";
-                               insert_qos(tp, pdp);
+                               insert_extra(tp, mmctx->subscr->sgsn_data, pdp);
                                continue;
                        }
                        if (!llist_empty(&sgsn_apn_ctxts)) {
@@ -759,7 +770,7 @@
                                if (apn_ctx == NULL)
                                        continue;
                        }
-                       insert_qos(tp, pdp);
+                       insert_extra(tp, mmctx->subscr->sgsn_data, pdp);
                        selected_apn_str = pdp->apn_str;
                        break;
                }
@@ -767,13 +778,13 @@
                /* Check whether the given APN is granted */
                llist_for_each_entry(pdp, &mmctx->subscr->sgsn_data->pdp_list, 
list) {
                        if (strcmp(pdp->apn_str, "*") == 0) {
-                               insert_qos(tp, pdp);
+                               insert_extra(tp, mmctx->subscr->sgsn_data, pdp);
                                selected_apn_str = req_apn_str;
                                allow_any_apn = 1;
                                continue;
                        }
                        if (strcasecmp(pdp->apn_str, req_apn_str) == 0) {
-                               insert_qos(tp, pdp);
+                               insert_extra(tp, mmctx->subscr->sgsn_data, pdp);
                                selected_apn_str = req_apn_str;
                                break;
                        }
diff --git a/openbsc/src/gprs/gprs_subscriber.c 
b/openbsc/src/gprs/gprs_subscriber.c
index 1bb5141..c90ba70 100644
--- a/openbsc/src/gprs/gprs_subscriber.c
+++ b/openbsc/src/gprs/gprs_subscriber.c
@@ -324,6 +324,13 @@
                }
        }
 
+       if (gsup_msg->pdp_charg_enc && gsup_msg->pdp_charg_enc_len >= 
sizeof(sdata->pdp_charg)) {
+               memcpy(&sdata->pdp_charg, gsup_msg->pdp_charg_enc, 
sizeof(sdata->pdp_charg));
+               sdata->has_pdp_charg = 1;
+       } else {
+               sdata->has_pdp_charg = 0;
+       }
+
        if (gsup_msg->pdp_info_compl) {
                rc = gprs_subscr_pdp_data_clear(subscr);
                if (rc > 0)
@@ -367,6 +374,13 @@
                                pdp_info->apn_enc, pdp_info->apn_enc_len);
                memcpy(pdp_data->qos_subscribed, pdp_info->qos_enc, 
pdp_info->qos_enc_len);
                pdp_data->qos_subscribed_len = pdp_info->qos_enc_len;
+
+               if (pdp_info->pdp_charg_enc && pdp_info->pdp_charg_enc_len >= 
sizeof(pdp_data->pdp_charg)) {
+                       memcpy(&pdp_data->pdp_charg, pdp_info->pdp_charg_enc, 
sizeof(pdp_data->pdp_charg));
+                       pdp_data->has_pdp_charg = 1;
+               } else {
+                       pdp_data->has_pdp_charg = 0;
+               }
        }
 }
 
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c
index 001e611..90ac48a 100644
--- a/openbsc/src/gprs/sgsn_libgtp.c
+++ b/openbsc/src/gprs/sgsn_libgtp.c
@@ -234,6 +234,13 @@
                memcpy(pdp->qos_req.v, qos, pdp->qos_req.l);
        }
 
+       /* charging characteristics if present */
+       if (TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR) > 0) {
+               OSMO_ASSERT(TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR) <= 
sizeof(pdp->cch_pdp));
+               memcpy(&pdp->cch_pdp, TLVP_VAL(tp, OSMO_IE_GSM_CHARG_CHAR),
+                       TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR));
+       }
+
        /* SGSN address for control plane */
        pdp->gsnlc.l = sizeof(sgsn->cfg.gtp_listenaddr.sin_addr);
        memcpy(pdp->gsnlc.v, &sgsn->cfg.gtp_listenaddr.sin_addr,

-- 
To view, visit https://gerrit.osmocom.org/3161
To unsubscribe, visit https://gerrit.osmocom.org/settings

Gerrit-MessageType: merged
Gerrit-Change-Id: I1725bfd2403d29ce3550bfcd6fcc1498426ef906
Gerrit-PatchSet: 4
Gerrit-Project: openbsc
Gerrit-Branch: master
Gerrit-Owner: Holger Freyther <[email protected]>
Gerrit-Reviewer: Harald Welte <[email protected]>
Gerrit-Reviewer: Holger Freyther <[email protected]>
Gerrit-Reviewer: Jenkins Builder

Reply via email to