commit 64e807c4bc81624651b970290db1c6a0b03d8eef
author Harald Welte <laforge@gnumonks.org> Tue May 29 21:00:56 2018 +0200
committer Harald Welte <laforge@gnumonks.org> Wed May 30 01:36:04 2018 +0200
tree 44dfe95316676870c856d411e8914059d8e65e53
parent 2f51684e635e38371d2fb3513a8bc1eb42421e4f

gsm0808: Add encoding functions for LCLS BSSMAP messages

Change-Id: Ib83143e467df068b7d462a8e51d94b9d961ce18f

src/gsm/gsm0808.c

diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c
index 5af53ee..347e985 100644
--- a/src/gsm/gsm0808.c
+++ b/src/gsm/gsm0808.c
@@ -282,6 +282,66 @@
 	return msg;
 }
 
+/*! Create BSSMAP LCLS CONNECT CONTROL message (TS 48.008 3.2.1.91).
+ *  \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 *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);
+	msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg));
+
+	return msg;
+}
+
+/*! Create BSSMAP LCLS CONNECT CONTROL ACK message (TS 48.008 3.2.1.92).
+ *  \param[in] status LCLS BSS Status
+ *  \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */
+struct msgb *gsm0808_create_lcls_conn_ctrl_ack(enum gsm0808_lcls_status status)
+{
+	struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM,
+					       "bssmap: LCLS CONN CTRL ACK");
+	if (!msg)
+		return NULL;
+
+	msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK);
+	msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status);
+	msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg));
+
+	return msg;
+}
+
+/*! Create BSSMAP LCLS NOTIFICATION message (TS 48.008 3.2.1.93).
+ *  \param[in] status LCLS BSS Status
+ *  \param[in] break_req Include the LCLS BREAK REQ IE (true) or not (false)
+ *  \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */
+struct msgb *gsm0808_create_lcls_notification(enum gsm0808_lcls_status status, bool break_req)
+{
+	struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM,
+					       "bssmap: LCLS NOTIFICATION");
+	if (!msg)
+		return NULL;
+
+	msgb_v_put(msg, BSS_MAP_MSG_LCLS_NOTIFICATION);
+	msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status);
+	if (break_req)
+		msgb_v_put(msg, GSM0808_IE_LCLS_BREAK_REQ);
+	msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg));
+
+	return msg;
+}
+
+
 /*! Create BSSMAP Classmark Update message
  *  \param[in] cm2 Classmark 2
  *  \param[in] cm2_len length (in octets) of \a cm2

src/gsm/libosmogsm.map

diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 3b9fbfd..c05b4ee 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -158,6 +158,9 @@
 gsm0808_create_layer3;
 gsm0808_create_layer3_aoip;
 gsm0808_create_layer3_2;
+gsm0808_create_lcls_conn_ctrl;
+gsm0808_create_lcls_conn_ctrl_ack;
+gsm0808_create_lcls_notification;
 gsm0808_create_reset;
 gsm0808_create_reset_ack;
 gsm0808_create_sapi_reject;