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gsm0808: Port asiggnment_complete msg creation to libosmocore.

This commit is contained in:
Holger Hans Peter Freyther 2010-04-17 06:21:49 +02:00
parent 81716d5fa8
commit ba6172a7fd
2 changed files with 51 additions and 5 deletions
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8
include/osmocore/gsm0808.h
View File

@ -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

48
src/gsm0808.c
View File

@ -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;