diff options
Diffstat (limited to 'src/gsm')
| -rw-r--r-- | src/gsm/gsm0808.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c index 485e0632..59b16575 100644 --- a/src/gsm/gsm0808.c +++ b/src/gsm/gsm0808.c @@ -312,19 +312,24 @@ struct msgb *gsm0808_create_cipher_reject_ext(enum gsm0808_cause_class class, ui * \param[in] config LCLS Configuration * \param[in] control LCLS Connection Status Control * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ -struct msgb *gsm0808_create_lcls_conn_ctrl(enum gsm0808_lcls_config *config, - enum gsm0808_lcls_control *control) +struct msgb *gsm0808_create_lcls_conn_ctrl(enum gsm0808_lcls_config config, + enum gsm0808_lcls_control control) { - struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, - "bssmap: LCLS CONN CTRL"); + struct msgb *msg; + + /* According to NOTE 1 in ยง3.2.1.91 at least one of the parameters is required */ + if (config == GSM0808_LCLS_CFG_NA && control == GSM0808_LCLS_CSC_NA) + return NULL; + + msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "bssmap: LCLS CONN CTRL"); if (!msg) return NULL; msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL); - if (config) - msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, *config); - if (control) - msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, *control); + if (config != GSM0808_LCLS_CFG_NA) + msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, config); + if (control != GSM0808_LCLS_CSC_NA) + msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, control); msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); return msg; |