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-rw-r--r--src/gb/gprs_bssgp.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/src/gb/gprs_bssgp.c b/src/gb/gprs_bssgp.c
index 2f23290..a3fd6aa 100644
--- a/src/gb/gprs_bssgp.c
+++ b/src/gb/gprs_bssgp.c
@@ -1092,6 +1092,8 @@ int bssgp_tx_dl_ud(struct msgb *msg, uint16_t pdu_lifetime,
uint16_t _pdu_lifetime = htons(pdu_lifetime); /* centi-seconds */
uint16_t drx_params;
+ OSMO_ASSERT(dup != NULL);
+
/* Identifiers from UP: TLLI, BVCI, NSEI (all in msgb->cb) */
if (bvci <= BVCI_PTM ) {
LOGP(DBSSGP, LOGL_ERROR, "Cannot send DL-UD to BVCI %u\n",
@@ -1124,35 +1126,32 @@ int bssgp_tx_dl_ud(struct msgb *msg, uint16_t pdu_lifetime,
/* FIXME: optional elements: Alignment, UTRAN CCO, LSA, PFI */
- if (dup) {
- /* Old TLLI to help BSS map from old->new */
- if (dup->tlli) {
- uint32_t tlli = htonl(*dup->tlli);
- msgb_tvlv_push(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &tlli);
- }
-
- /* IMSI */
- if (dup->imsi && strlen(dup->imsi)) {
- uint8_t mi[10];
- int imsi_len = gsm48_generate_mid_from_imsi(mi, dup->imsi);
- if (imsi_len > 2)
- msgb_tvlv_push(msg, BSSGP_IE_IMSI,
- imsi_len-2, mi+2);
- }
+ /* Old TLLI to help BSS map from old->new */
+ if (dup->tlli) {
+ uint32_t tlli = htonl(*dup->tlli);
+ msgb_tvlv_push(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &tlli);
+ }
- /* DRX parameters */
- drx_params = htons(dup->drx_parms);
- msgb_tvlv_push(msg, BSSGP_IE_DRX_PARAMS, 2,
- (uint8_t *) &drx_params);
+ /* IMSI */
+ if (dup->imsi && strlen(dup->imsi)) {
+ uint8_t mi[10];
+ int imsi_len = gsm48_generate_mid_from_imsi(mi, dup->imsi);
+ if (imsi_len > 2)
+ msgb_tvlv_push(msg, BSSGP_IE_IMSI,
+ imsi_len-2, mi+2);
+ }
- /* FIXME: Priority */
+ /* DRX parameters */
+ drx_params = htons(dup->drx_parms);
+ msgb_tvlv_push(msg, BSSGP_IE_DRX_PARAMS, 2,
+ (uint8_t *) &drx_params);
- /* MS Radio Access Capability */
- if (dup->ms_ra_cap.len)
- msgb_tvlv_push(msg, BSSGP_IE_MS_RADIO_ACCESS_CAP,
- dup->ms_ra_cap.len, dup->ms_ra_cap.v);
+ /* FIXME: Priority */
- }
+ /* MS Radio Access Capability */
+ if (dup->ms_ra_cap.len)
+ msgb_tvlv_push(msg, BSSGP_IE_MS_RADIO_ACCESS_CAP,
+ dup->ms_ra_cap.len, dup->ms_ra_cap.v);
/* prepend the pdu lifetime */
msgb_tvlv_push(msg, BSSGP_IE_PDU_LIFETIME, 2, (uint8_t *)&_pdu_lifetime);