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osmo-msc
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disable paging, send SETUP after LOCATION UPDATE ACCEPT

This commit is contained in:
Harald Welte 2008-12-29 01:55:35 +00:00
parent 471712b133
commit 65e74ccb04
2 changed files with 64 additions and 41 deletions
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2
src/bsc_hack.c
View File

@ -767,10 +767,12 @@ void pag_timer_cb(void *data)
num_imsi = strtoull(imsi, NULL, 10);
paging_group = get_paging_group(num_imsi, 1, 3);
#if 0
for (paging_group = 0; paging_group < 3; paging_group++)
rsl_paging_cmd(bts, paging_group, mi_len, mi, RSL_CHANNEED_TCH_F);
schedule_timer(&pag_timer, 10, 0);
#endif
}
int main(int argc, char **argv)

103
src/gsm_04_08.c
View File

@ -40,6 +40,9 @@
#define GSM48_ALLOC_SIZE 1024
#define GSM48_ALLOC_HEADROOM 128
static int gsm48_tx_simple(struct gsm_lchan *lchan,
u_int8_t pdisc, u_int8_t msg_type);
struct gsm_lai {
u_int16_t mcc;
u_int16_t mnc;
@ -102,7 +105,7 @@ void gsm0408_generate_lai(struct gsm48_loc_area_id *lai48, u_int16_t mcc,
int generate_mid_from_tmsi(u_int8_t *buf, u_int32_t tmsi)
{
u_int32_t *tptr = &buf[3];
u_int32_t *tptr = (u_int32_t *) &buf[3];
buf[0] = GSM48_IE_MOBILE_ID;
buf[1] = TMSI_LEN;
@ -117,11 +120,29 @@ static struct msgb *gsm48_msgb_alloc(void)
return msgb_alloc_headroom(GSM48_ALLOC_SIZE, GSM48_ALLOC_HEADROOM);
}
static int gsm0408_sendmsg(struct msgb *msg)
static int gsm48_sendmsg(struct msgb *msg)
{
if (msg->lchan)
struct gsm48_hdr *gh = (struct gsm48_hdr *) msg->data;
if (msg->lchan) {
msg->trx = msg->lchan->ts->trx;
if ((gh->proto_discr & GSM48_PDISC_MASK) == GSM48_PDISC_CC) {
/* Send a 04.08 call control message, add transaction
* ID and TI flag */
gh->proto_discr |= msg->lchan->call.transaction_id;
/* GSM 04.07 Section 11.2.3.1.3 */
switch (msg->lchan->call.type) {
case GSM_CT_MO:
gh->proto_discr |= 0x80;
break;
case GSM_CT_MT:
break;
}
}
}
msg->l3h = msg->data;
return rsl_data_request(msg, 0);
@ -143,7 +164,7 @@ int gsm0408_loc_upd_rej(struct gsm_lchan *lchan, u_int8_t cause)
DEBUGP(DMM, "-> LOCATION UPDATE REJECT\n");
return gsm0408_sendmsg(msg);
return gsm48_sendmsg(msg);
}
/* Chapter 9.2.13 : Send LOCATION UPDATE ACCEPT */
@ -170,7 +191,9 @@ int gsm0408_loc_upd_acc(struct gsm_lchan *lchan, u_int32_t tmsi)
DEBUGP(DMM, "-> LOCATION UPDATE ACCEPT\n");
return gsm0408_sendmsg(msg);
gsm48_sendmsg(msg);
return gsm48_cc_tx_setup(lchan);
}
static char bcd2char(u_int8_t bcd)
@ -235,7 +258,7 @@ static int mm_tx_identity_req(struct gsm_lchan *lchan, u_int8_t id_type)
gh->msg_type = GSM48_MT_MM_ID_REQ;
gh->data[0] = id_type;
return gsm0408_sendmsg(msg);
return gsm48_sendmsg(msg);
}
#define MI_SIZE 32
@ -351,17 +374,8 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
static int gsm48_tx_mm_serv_ack(struct gsm_lchan *lchan)
{
struct msgb *msg = gsm48_msgb_alloc();
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
msg->lchan = lchan;
gh->proto_discr = GSM48_PDISC_MM;
gh->msg_type = GSM48_MT_MM_CM_SERV_ACC;
DEBUGP(DMM, "-> CM SERVICE ACK\n");
return gsm0408_sendmsg(msg);
return gsm48_tx_simple(lchan, GSM48_PDISC_MM, GSM48_MT_MM_CM_SERV_ACC);
}
static int gsm48_rx_mm_serv_req(struct msgb *msg)
@ -369,7 +383,7 @@ static int gsm48_rx_mm_serv_req(struct msgb *msg)
struct gsm48_hdr *gh = msgb_l3(msg);
u_int8_t serv_type = gh->data[0] & 0x0f;
DEBUGP(DMM, "CM SERVICE REQUEST serv_type=0x%02x\n", serv_type);
DEBUGP(DMM, "<- CM SERVICE REQUEST serv_type=0x%02x\n", serv_type);
return gsm48_tx_mm_serv_ack(msg->lchan);
}
@ -432,36 +446,16 @@ static int gsm0408_rcv_rr(struct msgb *msg)
/* Call Control */
/* Send a 04.08 call control message, add transaction ID and TI flag */
static int gsm48_cc_sendmsg(struct msgb *msg)
{
struct gsm48_hdr *gh = msg->data;
struct gsm_call *call = &msg->lchan->call;
gh->proto_discr |= msg->lchan->call.transaction_id;
/* GSM 04.07 Section 11.2.3.1.3 */
switch (call->type) {
case GSM_CT_MO:
gh->proto_discr |= 0x80;
break;
case GSM_CT_MT:
break;
}
return gsm0408_sendmsg(msg);
}
static int gsm48_cc_tx_status(struct gsm_lchan *lchan)
{
struct msgb *msg = gsm48_msgb_alloc();
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
u_int8_t *cause, *call_state;
gh->proto_discr = GSM48_PDISC_CC;
msg->lchan = lchan;
gh->proto_discr = GSM48_PDISC_CC;
gh->msg_type = GSM48_MT_CC_STATUS;
cause = msgb_put(msg, 3);
@ -472,7 +466,7 @@ static int gsm48_cc_tx_status(struct gsm_lchan *lchan)
call_state = msgb_put(msg, 1);
call_state[0] = 0xc0 | 0x00;
return gsm48_cc_sendmsg(msg);
return gsm48_sendmsg(msg);
}
static int gsm48_tx_simple(struct gsm_lchan *lchan,
@ -486,7 +480,7 @@ static int gsm48_tx_simple(struct gsm_lchan *lchan,
gh->proto_discr = pdisc;
gh->msg_type = msg_type;
return gsm48_cc_sendmsg(msg);
return gsm48_sendmsg(msg);
}
static int gsm48_cc_rx_status_enq(struct msgb *msg)
@ -500,6 +494,33 @@ static int gsm48_cc_rx_setup(struct msgb *msg)
GSM48_MT_CC_CALL_CONF);
}
int gsm48_cc_tx_setup(struct gsm_lchan *lchan)
{
struct msgb *msg = gsm48_msgb_alloc();
struct gsm48_hdr *gh;
struct gsm_call *call = &lchan->call;
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 8);
call->type = GSM_CT_MT;
msg->lchan = lchan;
gh->proto_discr = GSM48_PDISC_CC;
gh->msg_type = GSM48_MT_CC_SETUP;
gh->data[0] = 0x34;
gh->data[1] = 0x00;
gh->data[2] = 0x5c;
gh->data[3] = 0x04;
gh->data[4] = 0xb9;
gh->data[5] = 0x83;
gh->data[6] = 0x32;
gh->data[7] = 0x24;
DEBUGP(DCC, "Sending SETUP\n");
return gsm48_sendmsg(msg);
}
static int gsm0408_rcv_cc(struct msgb *msg)
{
struct gsm48_hdr *gh = msgb_l3(msg);