aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHolger Hans Peter Freyther <zecke@selfish.org>2010-04-17 06:21:49 +0200
committerHolger Hans Peter Freyther <zecke@selfish.org>2010-04-17 06:21:49 +0200
commitba6172a7fd3e4fcb609ca1e0ac693022e4810dad (patch)
tree6401f5b06d157173ad288678fb686296767e1653
parent81716d5fa865acebcf632549cb6979d6ffaeebb8 (diff)
gsm0808: Port asiggnment_complete msg creation to libosmocore.
-rw-r--r--include/osmocore/gsm0808.h8
-rw-r--r--src/gsm0808.c48
2 files changed, 51 insertions, 5 deletions
diff --git a/include/osmocore/gsm0808.h b/include/osmocore/gsm0808.h
index 65c66504..a40713f7 100644
--- a/include/osmocore/gsm0808.h
+++ b/include/osmocore/gsm0808.h
@@ -31,13 +31,11 @@ struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id)
struct msgb *gsm0808_create_cipher_reject(uint8_t cause);
struct msgb *gsm0808_create_classmark_update(const uint8_t *classmark, uint8_t length);
struct msgb *gsm0808_create_sapi_reject(uint8_t link_id);
+struct msgb *gsm0808_create_assignment_completed(struct gsm_lchan *lchan, uint8_t rr_cause,
+ uint8_t chosen_channel, uint8_t encr_alg_id,
+ uint8_t speech_mode);
struct msgb *gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause);
const struct tlv_definition *gsm0808_att_tlvdef();
-/* needs to be ported */
-#if 0
-struct msgb *bssmap_create_assignment_completed(struct gsm_lchan *lchan, uint8_t rr_cause);
-#endif
-
#endif
diff --git a/src/gsm0808.c b/src/gsm0808.c
index ab32a830..9f6f0059 100644
--- a/src/gsm0808.c
+++ b/src/gsm0808.c
@@ -187,6 +187,54 @@ struct msgb *gsm0808_create_sapi_reject(uint8_t link_id)
return msg;
}
+struct msgb *gsm0808_create_assignment_completed(struct gsm_lchan *lchan, uint8_t rr_cause,
+ uint8_t chosen_channel, uint8_t encr_alg_id,
+ uint8_t speech_mode)
+{
+ u_int8_t *data;
+
+ struct msgb *msg = msgb_alloc(35, "bssmap: ass compl");
+ if (!msg)
+ return NULL;
+
+ msg->l3h = msgb_put(msg, 3);
+ msg->l3h[0] = BSSAP_MSG_BSS_MANAGEMENT;
+ msg->l3h[1] = 0xff;
+ msg->l3h[2] = BSS_MAP_MSG_ASSIGMENT_COMPLETE;
+
+ /* write 3.2.2.22 */
+ data = msgb_put(msg, 2);
+ data[0] = GSM0808_IE_RR_CAUSE;
+ data[1] = rr_cause;
+
+ /* write cirtcuit identity code 3.2.2.2 */
+ /* write cell identifier 3.2.2.17 */
+ /* write chosen channel 3.2.2.33 when BTS picked it */
+ data = msgb_put(msg, 2);
+ data[0] = GSM0808_IE_CHOSEN_CHANNEL;
+ data[1] = chosen_channel;
+
+ /* write chosen encryption algorithm 3.2.2.44 */
+ data = msgb_put(msg, 2);
+ data[0] = GSM0808_IE_CHOSEN_ENCR_ALG;
+ data[1] = encr_alg_id;
+
+ /* write circuit pool 3.2.2.45 */
+ /* write speech version chosen: 3.2.2.51 when BTS picked it */
+ if (speech_mode != 0) {
+ data = msgb_put(msg, 2);
+ data[0] = GSM0808_IE_SPEECH_VERSION;
+ data[1] = speech_mode;
+ }
+
+ /* write LSA identifier 3.2.2.15 */
+
+
+ /* update the size */
+ msg->l3h[1] = msgb_l3len(msg) - 2;
+ return msg;
+}
+
struct msgb *gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause)
{
uint8_t *data;