Support Gb PAGING-CS
The paging is sent over PACCH towards MS with an active TBF.
Related: OS#2406
Change-Id: I9501e02e1d7f6944497e724dbccb9a19c3f5221f
diff --git a/src/gprs_bssgp_pcu.cpp b/src/gprs_bssgp_pcu.cpp
index 33b2ded..955b8cd 100644
--- a/src/gprs_bssgp_pcu.cpp
+++ b/src/gprs_bssgp_pcu.cpp
@@ -171,6 +171,26 @@
ms_class, egprs_ms_class, delay_csec, data, len);
}
+static int gprs_bssgp_pcu_rx_paging_cs(struct msgb *msg, struct tlv_parsed *tp)
+{
+ const uint8_t *mi;
+ uint8_t mi_len;
+ uint8_t *chan_needed = (uint8_t *)TLVP_VAL(tp, BSSGP_IE_CHAN_NEEDED);
+
+ if (TLVP_PRESENT(tp, BSSGP_IE_TMSI)) {
+ mi_len = TLVP_LEN(tp, BSSGP_IE_TMSI);
+ mi = TLVP_VAL(tp, BSSGP_IE_TMSI);
+ } else if (TLVP_PRESENT(tp, BSSGP_IE_IMSI)) { /* Use IMSI if TMSI not available: */
+ mi_len = TLVP_LEN(tp, BSSGP_IE_IMSI);
+ mi = TLVP_VAL(tp, BSSGP_IE_IMSI);
+ } else {
+ LOGP(DBSSGP, LOGL_ERROR, "Neither TMSI IE nor IMSI IE is present\n");
+ return bssgp_tx_status(BSSGP_CAUSE_COND_IE_ERR, NULL, msg);
+ }
+
+ return BTS::main_bts()->add_paging(chan_needed ? *chan_needed : 0, mi, mi_len);
+}
+
static int gprs_bssgp_pcu_rx_paging_ps(struct msgb *msg, struct tlv_parsed *tp)
{
char imsi[16];
@@ -308,6 +328,9 @@
the_pcu.bvc_reset = 1;
bvc_timeout(NULL);
break;
+ case BSSGP_PDUT_PAGING_CS:
+ gprs_bssgp_pcu_rx_paging_cs(msg, tp);
+ break;
case BSSGP_PDUT_PAGING_PS:
gprs_bssgp_pcu_rx_paging_ps(msg, tp);
break;
@@ -320,7 +343,6 @@
break;
case BSSGP_PDUT_SUSPEND_NACK:
case BSSGP_PDUT_RESUME_NACK:
- case BSSGP_PDUT_PAGING_CS:
case BSSGP_PDUT_FLUSH_LL:
case BSSGP_PDUT_SGSN_INVOKE_TRACE:
LOGP(DBSSGP, LOGL_INFO, "Rx BSSGP BVCI=%d (SIGN) PDU type %s not implemented\n",