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bssap: Use gsm0808 method to create complete layer3 message.

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This commit is contained in:
Holger Hans Peter Freyther
2010-07-23 18:23:29 +08:00
parent acda6908ad
commit 5822be4690
1 changed files with 2 additions and 46 deletions
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48
openbsc/src/bssap.c
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@@ -45,12 +45,6 @@
static void bts_queue_send(struct msgb *msg, int link_id);
static void bssmap_free_secondary(struct bss_sccp_connection_data *data);
static void put_data_16(uint8_t *data, const uint16_t val)
{
memcpy(data, &val, sizeof(val));
}
static uint32_t read_data32(const uint8_t *data)
{
uint32_t res;
@@ -735,50 +729,12 @@ int dtap_rcvmsg(struct gsm_lchan *lchan, struct msgb *msg, unsigned int length)
/* Create messages */
struct msgb *bssmap_create_layer3(struct msgb *msg_l3)
{
u_int8_t *data;
uint8_t *ci;
struct msgb* msg;
struct gsm48_loc_area_id *lai;
struct gsm_bts *bts = msg_l3->lchan->ts->trx->bts;
u_int16_t network_code = get_network_code_for_msc(bts->network);
u_int16_t country_code = get_country_code_for_msc(bts->network);
msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM,
"bssmap cmpl l3");
if (!msg)
return NULL;
/* create the bssmap header */
msg->l3h = msgb_put(msg, 2);
msg->l3h[0] = 0x0;
/* create layer 3 header */
data = msgb_put(msg, 1);
data[0] = BSS_MAP_MSG_COMPLETE_LAYER_3;
/* create the cell header */
data = msgb_put(msg, 3);
data[0] = GSM0808_IE_CELL_IDENTIFIER;
data[1] = 1 + sizeof(*lai) + 2;
data[2] = CELL_IDENT_WHOLE_GLOBAL;
lai = (struct gsm48_loc_area_id *) msgb_put(msg, sizeof(*lai));
gsm48_generate_lai(lai, country_code,
network_code, bts->location_area_code);
ci = msgb_put(msg, 2);
put_data_16(ci, htons(bts->cell_identity));
/* copy the layer3 data */
data = msgb_put(msg, msgb_l3len(msg_l3) + 2);
data[0] = GSM0808_IE_LAYER_3_INFORMATION;
data[1] = msgb_l3len(msg_l3);
memcpy(&data[2], msg_l3->l3h, data[1]);
/* update the size */
msg->l3h[1] = msgb_l3len(msg) - 2;
return msg;
return gsm0808_create_layer3(msg_l3, network_code, country_code,
bts->location_area_code, bts->cell_identity);
}
static u_int8_t chan_mode_to_speech(struct gsm_lchan *lchan)