gsm0808: Add a method to create a clear command message.

Use the msgb_tv_put functions for putting the data into
the message. Do not support the extended error reports.

diff --git a/include/osmocore/gsm0808.h b/include/osmocore/gsm0808.h
index 2d609c9..39a439b 100644 (file)
--- a/include/osmocore/gsm0808.h
+++ b/include/osmocore/gsm0808.h
@@ -26,6 +26,7 @@ struct msgb;
 
 struct msgb *gsm0808_create_layer3(struct msgb *msg, uint16_t netcode, uint16_t countrycode, int lac, uint16_t ci);
 struct msgb *gsm0808_create_reset(void);
+struct msgb *gsm0808_create_clear_command(uint8_t reason);
 struct msgb *gsm0808_create_clear_complete(void);
 struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id);
 struct msgb *gsm0808_create_cipher_reject(uint8_t cause);

diff --git a/src/gsm0808.c b/src/gsm0808.c
index 636c211..2424d8c 100644 (file)
--- a/src/gsm0808.c
+++ b/src/gsm0808.c
@@ -108,6 +108,18 @@ struct msgb *gsm0808_create_clear_complete(void)
        return msg;
 }
 
+struct msgb *gsm0808_create_clear_command(uint8_t reason)
+{
+       struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM,
+                                              "bssmap: clear command");
+       if (!msg)
+               return NULL;
+
+       msg->l3h = msgb_tv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 2);
+       msgb_tv_put(msg, BSS_MAP_MSG_CLEAR_CMD, reason);
+       return msg;
+}
+
 struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id)
 {
        struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM,