aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--openbsc/include/openbsc/gsm_data.h63
-rw-r--r--openbsc/src/abis_rsl.c2
-rw-r--r--openbsc/src/bsc_rll.c9
-rw-r--r--openbsc/src/chan_alloc.c38
-rw-r--r--openbsc/src/gsm_04_08.c163
-rw-r--r--openbsc/src/gsm_04_08_utils.c8
-rw-r--r--openbsc/src/gsm_04_11.c24
-rw-r--r--openbsc/src/gsm_subscriber_base.c7
-rw-r--r--openbsc/src/handover_logic.c8
-rw-r--r--openbsc/src/silent_call.c15
-rw-r--r--openbsc/src/transaction.c12
-rw-r--r--openbsc/src/ussd.c2
-rw-r--r--openbsc/src/vty_interface.c6
13 files changed, 203 insertions, 154 deletions
diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index 88e7f16c..de69ee36 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -84,18 +84,18 @@ typedef int gsm_cbfn(unsigned int hooknum,
* will be started.
*/
#define LCHAN_RELEASE_TIMEOUT 20, 0
-#define use_lchan(lchan) \
- do { lchan->use_count++; \
+#define use_subscr_con(con) \
+ do { (con)->use_count++; \
DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) increases usage to: %d\n", \
- lchan->ts->trx->bts->nr, lchan->ts->trx->nr, lchan->ts->nr, \
- lchan->nr, lchan->use_count); \
- bsc_schedule_timer(&lchan->release_timer, LCHAN_RELEASE_TIMEOUT); } while(0);
+ (con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \
+ (con)->lchan->nr, (con)->use_count); \
+ bsc_schedule_timer(&(con)->release_timer, LCHAN_RELEASE_TIMEOUT); } while(0);
-#define put_lchan(lchan) \
- do { lchan->use_count--; \
+#define put_subscr_con(con) \
+ do { (con)->use_count--; \
DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) decreases usage to: %d\n", \
- lchan->ts->trx->bts->nr, lchan->ts->trx->nr, lchan->ts->nr, \
- lchan->nr, lchan->use_count); \
+ (con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \
+ (con)->lchan->nr, (con)->use_count); \
} while(0);
@@ -182,6 +182,29 @@ enum gsm_lchan_state {
LCHAN_S_INACTIVE, /* channel is set inactive */
};
+/* the per subscriber data for lchan */
+struct gsm_subscriber_connection {
+ /* To whom we are allocated at the moment */
+ struct gsm_subscriber *subscr;
+
+ /* Timer started to release the channel */
+ struct timer_list release_timer;
+
+ /*
+ * Operations that have a state and might be pending
+ */
+ struct gsm_loc_updating_operation *loc_operation;
+
+ /* use count. how many users use this channel */
+ unsigned int use_count;
+
+ /* Are we part of a special "silent" call */
+ int silent_call;
+
+ /* back pointer to the gsm_lchan */
+ struct gsm_lchan *lchan;
+};
+
struct gsm_lchan {
/* The TS that we're part of */
struct gsm_bts_trx_ts *ts;
@@ -204,31 +227,15 @@ struct gsm_lchan {
u_int8_t key_len;
u_int8_t key[MAX_A5_KEY_LEN];
} encr;
- /* Are we part of a special "silent" call */
- int silent_call;
+
+ struct timer_list T3101;
/* AMR bits */
struct gsm48_multi_rate_conf mr_conf;
- /* To whom we are allocated at the moment */
- struct gsm_subscriber *subscr;
-
- /* Timer started to release the channel */
- struct timer_list release_timer;
-
- struct timer_list T3101;
-
/* Established data link layer services */
u_int8_t sapis[8];
- /*
- * Operations that have a state and might be pending
- */
- struct gsm_loc_updating_operation *loc_operation;
-
- /* use count. how many users use this channel */
- unsigned int use_count;
-
/* cache of last measurement reports on this lchan */
struct gsm_meas_rep meas_rep[6];
int meas_rep_idx;
@@ -246,6 +253,8 @@ struct gsm_lchan {
u_int8_t speech_mode;
struct rtp_socket *rtp_socket;
} abis_ip;
+
+ struct gsm_subscriber_connection conn;
};
struct gsm_e1_subslot {
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index e7844afd..0c3b5974 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -119,7 +119,7 @@ struct gsm_lchan *lchan_lookup(struct gsm_bts_trx *trx, u_int8_t chan_nr)
lchan = &ts->lchan[lch_idx];
debug_set_context(BSC_CTX_LCHAN, lchan);
- debug_set_context(BSC_CTX_SUBSCR, lchan->subscr);
+ debug_set_context(BSC_CTX_SUBSCR, lchan->conn.subscr);
return lchan;
}
diff --git a/openbsc/src/bsc_rll.c b/openbsc/src/bsc_rll.c
index 1551d948..9a4f5aae 100644
--- a/openbsc/src/bsc_rll.c
+++ b/openbsc/src/bsc_rll.c
@@ -51,8 +51,11 @@ static LLIST_HEAD(bsc_rll_reqs);
static void complete_rllr(struct bsc_rll_req *rllr, enum bsc_rllr_ind type)
{
+ struct gsm_subscriber_connection *conn;
+
+ conn = &rllr->lchan->conn;
llist_del(&rllr->list);
- put_lchan(rllr->lchan);
+ put_subscr_con(conn);
rllr->cb(rllr->lchan, rllr->link_id, rllr->data, type);
talloc_free(rllr);
}
@@ -70,6 +73,7 @@ int rll_establish(struct gsm_lchan *lchan, u_int8_t sapi,
enum bsc_rllr_ind),
void *data)
{
+ struct gsm_subscriber_connection *conn;
struct bsc_rll_req *rllr = talloc_zero(tall_bsc_ctx, struct bsc_rll_req);
u_int8_t link_id;
if (!rllr)
@@ -83,7 +87,8 @@ int rll_establish(struct gsm_lchan *lchan, u_int8_t sapi,
lchan->type == GSM_LCHAN_TCH_H) && sapi != 0)
link_id |= 0x40;
- use_lchan(lchan);
+ conn = &lchan->conn;
+ use_subscr_con(conn);
rllr->lchan = lchan;
rllr->link_id = link_id;
rllr->cb = cb;
diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index 2e885241..f2683f6d 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -252,7 +252,6 @@ struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type)
if (lchan) {
lchan->type = type;
- lchan->use_count = 0;
/* clear sapis */
memset(lchan->sapis, 0, ARRAY_SIZE(lchan->sapis));
@@ -260,10 +259,15 @@ struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type)
/* clear multi rate config */
memset(&lchan->mr_conf, 0, sizeof(lchan->mr_conf));
+ /* clear per MSC/BSC data */
+ memset(&lchan->conn, 0, sizeof(lchan->conn));
+
/* Configure the time and start it so it will be closed */
- lchan->release_timer.cb = auto_release_channel;
- lchan->release_timer.data = lchan;
- bsc_schedule_timer(&lchan->release_timer, LCHAN_RELEASE_TIMEOUT);
+ lchan->conn.lchan = lchan;
+ lchan->conn.release_timer.cb = auto_release_channel;
+ lchan->conn.release_timer.data = lchan;
+ bsc_schedule_timer(&lchan->conn.release_timer, LCHAN_RELEASE_TIMEOUT);
+
}
return lchan;
@@ -275,19 +279,19 @@ void lchan_free(struct gsm_lchan *lchan)
int i;
lchan->type = GSM_LCHAN_NONE;
- if (lchan->subscr) {
- subscr_put(lchan->subscr);
- lchan->subscr = NULL;
+ if (lchan->conn.subscr) {
+ subscr_put(lchan->conn.subscr);
+ lchan->conn.subscr = NULL;
}
/* We might kill an active channel... */
- if (lchan->use_count != 0) {
+ if (lchan->conn.use_count != 0) {
dispatch_signal(SS_LCHAN, S_LCHAN_UNEXPECTED_RELEASE, lchan);
- lchan->use_count = 0;
+ lchan->conn.use_count = 0;
}
/* stop the timer */
- bsc_del_timer(&lchan->release_timer);
+ bsc_del_timer(&lchan->conn.release_timer);
bsc_del_timer(&lchan->T3101);
/* clear cached measuement reports */
@@ -299,7 +303,7 @@ void lchan_free(struct gsm_lchan *lchan)
for (i = 0; i < ARRAY_SIZE(lchan->neigh_meas); i++)
lchan->neigh_meas[i].arfcn = 0;
- lchan->silent_call = 0;
+ lchan->conn.silent_call = 0;
/* FIXME: ts_free() the timeslot, if we're the last logical
* channel using it */
@@ -308,19 +312,19 @@ void lchan_free(struct gsm_lchan *lchan)
/* Consider releasing the channel now */
int lchan_auto_release(struct gsm_lchan *lchan)
{
- if (lchan->use_count > 0) {
+ if (lchan->conn.use_count > 0) {
return 0;
}
/* Assume we have GSM04.08 running and send a release */
- if (lchan->subscr) {
+ if (lchan->conn.subscr) {
gsm48_send_rr_release(lchan);
}
/* spoofed? message */
- if (lchan->use_count < 0)
+ if (lchan->conn.use_count < 0)
LOGP(DRLL, LOGL_ERROR, "Channel count is negative: %d\n",
- lchan->use_count);
+ lchan->conn.use_count);
DEBUGP(DRLL, "%s Recycling Channel\n", gsm_lchan_name(lchan));
rsl_release_request(lchan, 0);
@@ -333,7 +337,7 @@ static void auto_release_channel(void *_lchan)
struct gsm_lchan *lchan = _lchan;
if (!lchan_auto_release(lchan))
- bsc_schedule_timer(&lchan->release_timer, LCHAN_RELEASE_TIMEOUT);
+ bsc_schedule_timer(&lchan->conn.release_timer, LCHAN_RELEASE_TIMEOUT);
}
struct gsm_lchan* lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr) {
@@ -345,7 +349,7 @@ struct gsm_lchan* lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr)
for (lchan_no = 0; lchan_no < TS_MAX_LCHAN; ++lchan_no) {
struct gsm_lchan *lchan =
&trx->ts[ts_no].lchan[lchan_no];
- if (subscr == lchan->subscr)
+ if (subscr == lchan->conn.subscr)
return lchan;
}
}
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index 2eda0bd9..d3e48730 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -58,7 +58,7 @@ void *tall_locop_ctx;
int gsm0408_loc_upd_acc(struct gsm_lchan *lchan, u_int32_t tmsi);
static int gsm48_tx_simple(struct gsm_lchan *lchan,
u_int8_t pdisc, u_int8_t msg_type);
-static void schedule_reject(struct gsm_lchan *lchan);
+static void schedule_reject(struct gsm_subscriber_connection *conn);
struct gsm_lai {
u_int16_t mcc;
@@ -96,35 +96,35 @@ static int authorize_subscriber(struct gsm_loc_updating_operation *loc,
}
}
-static void release_loc_updating_req(struct gsm_lchan *lchan)
+static void release_loc_updating_req(struct gsm_subscriber_connection *conn)
{
- if (!lchan->loc_operation)
+ if (!conn->loc_operation)
return;
- bsc_del_timer(&lchan->loc_operation->updating_timer);
- talloc_free(lchan->loc_operation);
- lchan->loc_operation = 0;
- put_lchan(lchan);
+ bsc_del_timer(&conn->loc_operation->updating_timer);
+ talloc_free(conn->loc_operation);
+ conn->loc_operation = 0;
+ put_subscr_con(conn);
}
-static void allocate_loc_updating_req(struct gsm_lchan *lchan)
+static void allocate_loc_updating_req(struct gsm_subscriber_connection *conn)
{
- use_lchan(lchan);
- release_loc_updating_req(lchan);
+ use_subscr_con(conn)
+ release_loc_updating_req(conn);
- lchan->loc_operation = talloc_zero(tall_locop_ctx,
+ conn->loc_operation = talloc_zero(tall_locop_ctx,
struct gsm_loc_updating_operation);
}
-static int gsm0408_authorize(struct gsm_lchan *lchan, struct msgb *msg)
+static int gsm0408_authorize(struct gsm_subscriber_connection *conn, struct msgb *msg)
{
- if (authorize_subscriber(lchan->loc_operation, lchan->subscr)) {
+ if (authorize_subscriber(conn->loc_operation, conn->subscr)) {
int rc;
- db_subscriber_alloc_tmsi(lchan->subscr);
- release_loc_updating_req(lchan);
- rc = gsm0408_loc_upd_acc(msg->lchan, lchan->subscr->tmsi);
- if (lchan->ts->trx->bts->network->send_mm_info) {
+ db_subscriber_alloc_tmsi(conn->subscr);
+ release_loc_updating_req(conn);
+ rc = gsm0408_loc_upd_acc(msg->lchan, conn->subscr->tmsi);
+ if (msg->lchan->ts->trx->bts->network->send_mm_info) {
/* send MM INFO with network name */
rc = gsm48_tx_mm_info(msg->lchan);
}
@@ -132,10 +132,11 @@ static int gsm0408_authorize(struct gsm_lchan *lchan, struct msgb *msg)
/* call subscr_update after putting the loc_upd_acc
* in the transmit queue, since S_SUBSCR_ATTACHED might
* trigger further action like SMS delivery */
- subscr_update(lchan->subscr, msg->trx->bts,
+ subscr_update(conn->subscr, msg->trx->bts,
GSM_SUBSCRIBER_UPDATE_ATTACHED);
+
/* try to close channel ASAP */
- lchan_auto_release(lchan);
+ lchan_auto_release(conn->lchan);
return rc;
}
@@ -158,7 +159,7 @@ static int gsm0408_handle_lchan_signal(unsigned int subsys, unsigned int signal,
if (!lchan)
return 0;
- release_loc_updating_req(lchan);
+ release_loc_updating_req(&lchan->conn);
/* Free all transactions that are associated with the released lchan */
/* FIXME: this is not neccessarily the right thing to do, we should
@@ -175,11 +176,13 @@ static int gsm0408_handle_lchan_signal(unsigned int subsys, unsigned int signal,
/* Chapter 9.2.14 : Send LOCATION UPDATING REJECT */
int gsm0408_loc_upd_rej(struct gsm_lchan *lchan, u_int8_t cause)
{
+ struct gsm_subscriber_connection *conn;
struct gsm_bts *bts = lchan->ts->trx->bts;
struct msgb *msg = gsm48_msgb_alloc();
struct gsm48_hdr *gh;
msg->lchan = lchan;
+ conn = &lchan->conn;
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
gh->proto_discr = GSM48_PDISC_MM;
@@ -187,8 +190,8 @@ int gsm0408_loc_upd_rej(struct gsm_lchan *lchan, u_int8_t cause)
gh->data[0] = cause;
LOGP(DMM, LOGL_INFO, "Subscriber %s: LOCATION UPDATING REJECT "
- "LAC=%u BTS=%u\n", lchan->subscr ?
- subscr_name(lchan->subscr) : "unknown",
+ "LAC=%u BTS=%u\n", conn->subscr ?
+ subscr_name(conn->subscr) : "unknown",
lchan->ts->trx->bts->location_area_code, lchan->ts->trx->bts->nr);
counter_inc(bts->network->stats.loc_upd_resp.reject);
@@ -245,6 +248,7 @@ static int mm_tx_identity_req(struct gsm_lchan *lchan, u_int8_t id_type)
/* Parse Chapter 9.2.11 Identity Response */
static int mm_rx_id_resp(struct msgb *msg)
{
+ struct gsm_subscriber_connection *conn;
struct gsm48_hdr *gh = msgb_l3(msg);
struct gsm_lchan *lchan = msg->lchan;
struct gsm_bts *bts = lchan->ts->trx->bts;
@@ -256,51 +260,54 @@ static int mm_rx_id_resp(struct msgb *msg)
DEBUGP(DMM, "IDENTITY RESPONSE: mi_type=0x%02x MI(%s)\n",
mi_type, mi_string);
+ conn = &lchan->conn;
+
dispatch_signal(SS_SUBSCR, S_SUBSCR_IDENTITY, gh->data);
switch (mi_type) {
case GSM_MI_TYPE_IMSI:
/* look up subscriber based on IMSI, create if not found */
- if (!lchan->subscr) {
- lchan->subscr = subscr_get_by_imsi(net, mi_string);
- if (!lchan->subscr)
- lchan->subscr = db_create_subscriber(net, mi_string);
+ if (!conn->subscr) {
+ conn->subscr = subscr_get_by_imsi(net, mi_string);
+ if (!conn->subscr)
+ conn->subscr = db_create_subscriber(net, mi_string);
}
- if (lchan->loc_operation)
- lchan->loc_operation->waiting_for_imsi = 0;
+ if (conn->loc_operation)
+ conn->loc_operation->waiting_for_imsi = 0;
break;
case GSM_MI_TYPE_IMEI:
case GSM_MI_TYPE_IMEISV:
/* update subscribe <-> IMEI mapping */
- if (lchan->subscr) {
- db_subscriber_assoc_imei(lchan->subscr, mi_string);
- db_sync_equipment(&lchan->subscr->equipment);
+ if (conn->subscr) {
+ db_subscriber_assoc_imei(conn->subscr, mi_string);
+ db_sync_equipment(&conn->subscr->equipment);
}
- if (lchan->loc_operation)
- lchan->loc_operation->waiting_for_imei = 0;
+ if (conn->loc_operation)
+ conn->loc_operation->waiting_for_imei = 0;
break;
}
/* Check if we can let the mobile station enter */
- return gsm0408_authorize(lchan, msg);
+ return gsm0408_authorize(conn, msg);
}
static void loc_upd_rej_cb(void *data)
{
- struct gsm_lchan *lchan = data;
+ struct gsm_subscriber_connection *conn = data;
+ struct gsm_lchan *lchan = conn->lchan;
struct gsm_bts *bts = lchan->ts->trx->bts;
- release_loc_updating_req(lchan);
+ release_loc_updating_req(conn);
gsm0408_loc_upd_rej(lchan, bts->network->reject_cause);
lchan_auto_release(lchan);
}
-static void schedule_reject(struct gsm_lchan *lchan)
+static void schedule_reject(struct gsm_subscriber_connection *conn)
{
- lchan->loc_operation->updating_timer.cb = loc_upd_rej_cb;
- lchan->loc_operation->updating_timer.data = lchan;
- bsc_schedule_timer(&lchan->loc_operation->updating_timer, 5, 0);
+ conn->loc_operation->updating_timer.cb = loc_upd_rej_cb;
+ conn->loc_operation->updating_timer.data = conn;
+ bsc_schedule_timer(&conn->loc_operation->updating_timer, 5, 0);
}
static const char *lupd_name(u_int8_t type)
@@ -320,6 +327,7 @@ static const char *lupd_name(u_int8_t type)
/* Chapter 9.2.15: Receive Location Updating Request */
static int mm_rx_loc_upd_req(struct msgb *msg)
{
+ struct gsm_subscriber_connection *conn;
struct gsm48_hdr *gh = msgb_l3(msg);
struct gsm48_loc_upd_req *lu;
struct gsm_subscriber *subscr = NULL;
@@ -330,6 +338,7 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
int rc;
lu = (struct gsm48_loc_upd_req *) gh->data;
+ conn = &lchan->conn;
mi_type = lu->mi[0] & GSM_MI_TYPE_MASK;
@@ -356,21 +365,21 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
* Pseudo Spoof detection: Just drop a second/concurrent
* location updating request.
*/
- if (lchan->loc_operation) {
+ if (conn->loc_operation) {
DEBUGPC(DMM, "ignoring request due an existing one: %p.\n",
- lchan->loc_operation);
+ conn->loc_operation);
gsm0408_loc_upd_rej(lchan, GSM48_REJECT_PROTOCOL_ERROR);
return 0;
}
- allocate_loc_updating_req(lchan);
+ allocate_loc_updating_req(&lchan->conn);
switch (mi_type) {
case GSM_MI_TYPE_IMSI:
DEBUGPC(DMM, "\n");
/* we always want the IMEI, too */
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMEI);
- lchan->loc_operation->waiting_for_imei = 1;
+ conn->loc_operation->waiting_for_imei = 1;
/* look up subscriber based on IMSI, create if not found */
subscr = subscr_get_by_imsi(bts->network, mi_string);
@@ -382,7 +391,7 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
DEBUGPC(DMM, "\n");
/* we always want the IMEI, too */
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMEI);
- lchan->loc_operation->waiting_for_imei = 1;
+ conn->loc_operation->waiting_for_imei = 1;
/* look up the subscriber based on TMSI, request IMSI if it fails */
subscr = subscr_get_by_tmsi(bts->network,
@@ -390,7 +399,7 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
if (!subscr) {
/* send IDENTITY REQUEST message to get IMSI */
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMSI);
- lchan->loc_operation->waiting_for_imsi = 1;
+ conn->loc_operation->waiting_for_imsi = 1;
}
break;
case GSM_MI_TYPE_IMEI:
@@ -404,7 +413,7 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
}
/* schedule the reject timer */
- schedule_reject(lchan);
+ schedule_reject(conn);
if (!subscr) {
DEBUGPC(DRR, "<- Can't find any subscriber for this ID\n");
@@ -412,12 +421,12 @@ static int mm_rx_loc_upd_req(struct msgb *msg)
return -EINVAL;
}
- lchan->subscr = subscr;
- lchan->subscr->equipment.classmark1 = lu->classmark1;
+ conn->subscr = subscr;
+ conn->subscr->equipment.classmark1 = lu->classmark1;
/* check if we can let the subscriber into our network immediately
* or if we need to wait for identity responses. */
- return gsm0408_authorize(lchan, msg);
+ return gsm0408_authorize(conn, msg);
}
#if 0
@@ -566,7 +575,7 @@ static int gsm48_tx_mm_serv_ack(struct gsm_lchan *lchan)
}
/* 9.2.6 CM service reject */
-static int gsm48_tx_mm_serv_rej(struct gsm_lchan *lchan,
+static int gsm48_tx_mm_serv_rej(struct gsm_subscriber_connection *conn,
enum gsm48_reject_value value)
{
struct msgb *msg = gsm48_msgb_alloc();
@@ -574,8 +583,8 @@ static int gsm48_tx_mm_serv_rej(struct gsm_lchan *lchan,
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
- msg->lchan = lchan;
- use_lchan(lchan);
+ msg->lchan = conn->lchan;
+ use_subscr_con(conn);
gh->proto_discr = GSM48_PDISC_MM;
gh->msg_type = GSM48_MT_MM_CM_SERV_REJ;
@@ -613,20 +622,20 @@ static int gsm48_rx_mm_serv_req(struct msgb *msg)
DEBUGP(DMM, "<- CM SERVICE REQUEST ");
if (msg->data_len < sizeof(struct gsm48_service_request*)) {
DEBUGPC(DMM, "wrong sized message\n");
- return gsm48_tx_mm_serv_rej(msg->lchan,
+ return gsm48_tx_mm_serv_rej(&msg->lchan->conn,
GSM48_REJECT_INCORRECT_MESSAGE);
}
if (msg->data_len < req->mi_len + 6) {
DEBUGPC(DMM, "does not fit in packet\n");
- return gsm48_tx_mm_serv_rej(msg->lchan,
+ return gsm48_tx_mm_serv_rej(&msg->lchan->conn,
GSM48_REJECT_INCORRECT_MESSAGE);
}
mi_type = mi[0] & GSM_MI_TYPE_MASK;
if (mi_type != GSM_MI_TYPE_TMSI) {
DEBUGPC(DMM, "mi_type is not TMSI: %d\n", mi_type);
- return gsm48_tx_mm_serv_rej(msg->lchan,
+ return gsm48_tx_mm_serv_rej(&msg->lchan->conn,
GSM48_REJECT_INCORRECT_MESSAGE);
}
@@ -644,12 +653,12 @@ static int gsm48_rx_mm_serv_req(struct msgb *msg)
/* FIXME: if we don't know the TMSI, inquire abit IMSI and allocate new TMSI */
if (!subscr)
- return gsm48_tx_mm_serv_rej(msg->lchan,
+ return gsm48_tx_mm_serv_rej(&msg->lchan->conn,
GSM48_REJECT_IMSI_UNKNOWN_IN_HLR);
- if (!msg->lchan->subscr)
- msg->lchan->subscr = subscr;
- else if (msg->lchan->subscr == subscr)
+ if (!msg->lchan->conn.subscr)
+ msg->lchan->conn.subscr = subscr;
+ else if (msg->lchan->conn.subscr == subscr)
subscr_put(subscr); /* lchan already has a ref, don't need another one */
else {
DEBUGP(DMM, "<- CM Channel already owned by someone else?\n");
@@ -749,8 +758,8 @@ static int gsm0408_rcv_mm(struct msgb *msg)
break;
case GSM48_MT_MM_TMSI_REALL_COMPL:
DEBUGP(DMM, "TMSI Reallocation Completed. Subscriber: %s\n",
- msg->lchan->subscr ?
- subscr_name(msg->lchan->subscr) :
+ msg->lchan->conn.subscr ?
+ subscr_name(msg->lchan->conn.subscr) :
"unknown subscriber");
break;
case GSM48_MT_MM_IMSI_DETACH_IND:
@@ -815,7 +824,7 @@ static int gsm48_rx_rr_pag_resp(struct msgb *msg)
static int gsm48_rx_rr_classmark(struct msgb *msg)
{
struct gsm48_hdr *gh = msgb_l3(msg);
- struct gsm_subscriber *subscr = msg->lchan->subscr;
+ struct gsm_subscriber *subscr = msg->lchan->conn.subscr;
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
u_int8_t cm2_len, cm3_len = 0;
u_int8_t *cm2, *cm3 = NULL;
@@ -896,7 +905,7 @@ static int gsm48_rx_rr_app_info(struct msgb *msg)
DEBUGP(DNM, "RX APPLICATION INFO id/flags=0x%02x apdu_len=%u apdu=%s",
apdu_id_flags, apdu_len, hexdump(apdu_data, apdu_len));
- return db_apdu_blob_store(msg->lchan->subscr, apdu_id_flags, apdu_len, apdu_data);
+ return db_apdu_blob_store(msg->lchan->conn.subscr, apdu_id_flags, apdu_len, apdu_data);
}
/* Chapter 9.1.16 Handover complete */
@@ -1130,6 +1139,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
struct gsm_subscriber *subscr = param;
struct gsm_trans *transt, *tmp;
struct gsm_network *net;
+ struct gsm_subscriber_connection *conn;
if (hooknum != GSM_HOOK_RR_PAGING)
return -EINVAL;
@@ -1142,6 +1152,8 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
return -EINVAL;
}
+ conn = &lchan->conn;
+
/* check all tranactions (without lchan) for subscriber */
llist_for_each_entry_safe(transt, tmp, &net->trans_list, entry) {
if (transt->subscr != subscr || transt->lchan)
@@ -1155,7 +1167,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
/* Assign lchan */
if (!transt->lchan) {
transt->lchan = lchan;
- use_lchan(lchan);
+ use_subscr_con(conn);
}
/* send SETUP request to called party */
gsm48_cc_tx_setup(transt, &transt->cc.msg);
@@ -2562,6 +2574,7 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
struct gsm_lchan *lchan = NULL;
struct gsm_bts *bts = NULL;
struct gsm_mncc *data = arg, rel;
+ struct gsm_subscriber_connection *conn;
/* handle special messages */
switch(msg_type) {
@@ -2665,6 +2678,7 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
}
/* Find lchan */
lchan = lchan_for_subscr(subscr);
+
/* If subscriber has no lchan */
if (!lchan) {
/* find transaction with this subscriber already paging */
@@ -2693,7 +2707,8 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
}
/* Assign lchan */
trans->lchan = lchan;
- use_lchan(lchan);
+ conn = &lchan->conn;
+ use_subscr_con(conn);
subscr_put(subscr);
}
lchan = trans->lchan;
@@ -2715,11 +2730,12 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
return rc;
}
+ conn = &lchan->conn;
DEBUGP(DCC, "(bts %d trx %d ts %d ti %02x sub %s) "
"Received '%s' from MNCC in state %d (%s)\n",
lchan->ts->trx->bts->nr, lchan->ts->trx->nr, lchan->ts->nr,
trans->transaction_id,
- (lchan->subscr)?(lchan->subscr->extension):"-",
+ (conn->subscr)?(conn->subscr->extension):"-",
get_mncc_name(msg_type), trans->cc.state,
gsm48_cc_state_name(trans->cc.state));
@@ -2795,6 +2811,7 @@ static struct datastate {
static int gsm0408_rcv_cc(struct msgb *msg)
{
+ struct gsm_subscriber_connection *conn;
struct gsm48_hdr *gh = msgb_l3(msg);
u_int8_t msg_type = gh->msg_type & 0xbf;
u_int8_t transaction_id = ((gh->proto_discr & 0xf0) ^ 0x80) >> 4; /* flip */
@@ -2806,14 +2823,16 @@ static int gsm0408_rcv_cc(struct msgb *msg)
DEBUGP(DCC, "MSG 0x%2x not defined for PD error\n", msg_type);
return -EINVAL;
}
-
+
+ conn = &lchan->conn;
+
/* Find transaction */
- trans = trans_find_by_id(lchan->subscr, GSM48_PDISC_CC, transaction_id);
+ trans = trans_find_by_id(conn->subscr, GSM48_PDISC_CC, transaction_id);
DEBUGP(DCC, "(bts %d trx %d ts %d ti %x sub %s) "
"Received '%s' from MS in state %d (%s)\n",
lchan->ts->trx->bts->nr, lchan->ts->trx->nr, lchan->ts->nr,
- transaction_id, (lchan->subscr)?(lchan->subscr->extension):"-",
+ transaction_id, (conn->subscr)?(conn->subscr->extension):"-",
gsm48_cc_msg_name(msg_type), trans?(trans->cc.state):0,
gsm48_cc_state_name(trans?(trans->cc.state):0));
@@ -2822,7 +2841,7 @@ static int gsm0408_rcv_cc(struct msgb *msg)
DEBUGP(DCC, "Unknown transaction ID %x, "
"creating new trans.\n", transaction_id);
/* Create transaction */
- trans = trans_alloc(lchan->subscr, GSM48_PDISC_CC,
+ trans = trans_alloc(conn->subscr, GSM48_PDISC_CC,
transaction_id, new_callref++);
if (!trans) {
DEBUGP(DCC, "No memory for trans.\n");
@@ -2833,7 +2852,7 @@ static int gsm0408_rcv_cc(struct msgb *msg)
}
/* Assign transaction */
trans->lchan = lchan;
- use_lchan(lchan);
+ use_subscr_con(conn);
}
/* find function for current state and message */
diff --git a/openbsc/src/gsm_04_08_utils.c b/openbsc/src/gsm_04_08_utils.c
index 2472f12b..4871f603 100644
--- a/openbsc/src/gsm_04_08_utils.c
+++ b/openbsc/src/gsm_04_08_utils.c
@@ -316,16 +316,16 @@ int gsm48_handle_paging_resp(struct msgb *msg, struct gsm_subscriber *subscr)
if (is_siemens_bts(bts))
send_siemens_mrpci(msg->lchan, classmark2_lv);
- if (!msg->lchan->subscr) {
- msg->lchan->subscr = subscr;
- } else if (msg->lchan->subscr != subscr) {
+ if (!msg->lchan->conn.subscr) {
+ msg->lchan->conn.subscr = subscr;
+ } else if (msg->lchan->conn.subscr != subscr) {
LOGP(DRR, LOGL_ERROR, "<- Channel already owned by someone else?\n");
subscr_put(subscr);
return -EINVAL;
} else {
DEBUGP(DRR, "<- Channel already owned by us\n");
subscr_put(subscr);
- subscr = msg->lchan->subscr;
+ subscr = msg->lchan->conn.subscr;
}
sig_data.subscr = subscr;
diff --git a/openbsc/src/gsm_04_11.c b/openbsc/src/gsm_04_11.c
index 881c3755..4b593649 100644
--- a/openbsc/src/gsm_04_11.c
+++ b/openbsc/src/gsm_04_11.c
@@ -594,7 +594,7 @@ static int gsm340_rx_tpdu(struct msgb *msg)
}
}
- gsms->sender = subscr_get(msg->lchan->subscr);
+ gsms->sender = subscr_get(msg->lchan->conn.subscr);
LOGP(DSMS, LOGL_INFO, "RX SMS: Sender: %s, MTI: 0x%02x, VPF: 0x%02x, "
"MR: 0x%02x PID: 0x%02x, DCS: 0x%02x, DA: %s, "
@@ -753,7 +753,7 @@ static int gsm411_rx_rp_ack(struct msgb *msg, struct gsm_trans *trans,
trans->sms.sms = NULL;
/* check for more messages for this subscriber */
- sms = db_sms_get_unsent_for_subscr(msg->lchan->subscr);
+ sms = db_sms_get_unsent_for_subscr(msg->lchan->conn.subscr);
if (sms)
gsm411_send_sms_lchan(msg->lchan, sms);
@@ -780,7 +780,7 @@ static int gsm411_rx_rp_error(struct msgb *msg, struct gsm_trans *trans,
* the cause and take action depending on it */
LOGP(DSMS, LOGL_NOTICE, "%s: RX SMS RP-ERROR, cause %d:%d (%s)\n",
- subscr_name(msg->lchan->subscr), cause_len, cause,
+ subscr_name(msg->lchan->conn.subscr), cause_len, cause,
get_value_string(rp_cause_strs, cause));
if (!trans->sms.is_mt) {
@@ -833,7 +833,7 @@ static int gsm411_rx_rp_smma(struct msgb *msg, struct gsm_trans *trans,
dispatch_signal(SS_SMS, S_SMS_SMMA, trans->subscr);
/* check for more messages for this subscriber */
- sms = db_sms_get_unsent_for_subscr(msg->lchan->subscr);
+ sms = db_sms_get_unsent_for_subscr(msg->lchan->conn.subscr);
if (sms)
gsm411_send_sms_lchan(msg->lchan, sms);
else
@@ -920,16 +920,16 @@ int gsm0411_rcv_sms(struct msgb *msg, u_int8_t link_id)
struct gsm_trans *trans;
int rc = 0;
- if (!lchan->subscr)
+ if (!lchan->conn.subscr)
return -EIO;
/* FIXME: send some error message */
DEBUGP(DSMS, "trans_id=%x ", transaction_id);
- trans = trans_find_by_id(lchan->subscr, GSM48_PDISC_SMS,
+ trans = trans_find_by_id(lchan->conn.subscr, GSM48_PDISC_SMS,
transaction_id);
if (!trans) {
DEBUGPC(DSMS, "(new) ");
- trans = trans_alloc(lchan->subscr, GSM48_PDISC_SMS,
+ trans = trans_alloc(lchan->conn.subscr, GSM48_PDISC_SMS,
transaction_id, new_callref++);
if (!trans) {
DEBUGPC(DSMS, "No memory for trans\n");
@@ -942,7 +942,7 @@ int gsm0411_rcv_sms(struct msgb *msg, u_int8_t link_id)
trans->sms.link_id = link_id;
trans->lchan = lchan;
- use_lchan(lchan);
+ use_subscr_con(&lchan->conn);
}
switch(msg_type) {
@@ -961,7 +961,7 @@ int gsm0411_rcv_sms(struct msgb *msg, u_int8_t link_id)
if (i == transaction_id)
continue;
- ptrans = trans_find_by_id(lchan->subscr,
+ ptrans = trans_find_by_id(lchan->conn.subscr,
GSM48_PDISC_SMS, i);
if (!ptrans)
continue;
@@ -1050,7 +1050,7 @@ int gsm411_send_sms_lchan(struct gsm_lchan *lchan, struct gsm_sms *sms)
int transaction_id;
int rc;
- transaction_id = trans_assign_trans_id(lchan->subscr, GSM48_PDISC_SMS, 0);
+ transaction_id = trans_assign_trans_id(lchan->conn.subscr, GSM48_PDISC_SMS, 0);
if (transaction_id == -1) {
LOGP(DSMS, LOGL_ERROR, "No available transaction ids\n");
return -EBUSY;
@@ -1061,7 +1061,7 @@ int gsm411_send_sms_lchan(struct gsm_lchan *lchan, struct gsm_sms *sms)
DEBUGP(DSMS, "send_sms_lchan()\n");
/* FIXME: allocate transaction with message reference */
- trans = trans_alloc(lchan->subscr, GSM48_PDISC_SMS,
+ trans = trans_alloc(lchan->conn.subscr, GSM48_PDISC_SMS,
transaction_id, new_callref++);
if (!trans) {
LOGP(DSMS, LOGL_ERROR, "No memory for trans\n");
@@ -1075,7 +1075,7 @@ int gsm411_send_sms_lchan(struct gsm_lchan *lchan, struct gsm_sms *sms)
trans->sms.link_id = UM_SAPI_SMS; /* FIXME: main or SACCH ? */
trans->lchan = lchan;
- use_lchan(lchan);
+ use_subscr_con(&lchan->conn);
/* Hardcode SMSC Originating Address for now */
data = (u_int8_t *)msgb_put(msg, 8);
diff --git a/openbsc/src/gsm_subscriber_base.c b/openbsc/src/gsm_subscriber_base.c
index dee89c0b..40c3bbda 100644
--- a/openbsc/src/gsm_subscriber_base.c
+++ b/openbsc/src/gsm_subscriber_base.c
@@ -187,6 +187,7 @@ void subscr_get_channel(struct gsm_subscriber *subscr,
void subscr_put_channel(struct gsm_lchan *lchan)
{
+ struct gsm_subscriber_connection *conn = &lchan->conn;
/*
* FIXME: Continue with other requests now... by checking
* the gsm_subscriber inside the gsm_lchan. Drop the ref count
@@ -205,9 +206,9 @@ void subscr_put_channel(struct gsm_lchan *lchan)
* will listen to the paging requests before we timeout
*/
- put_lchan(lchan);
+ put_subscr_con(conn);
- if (lchan->subscr && !llist_empty(&lchan->subscr->requests))
- subscr_send_paging_request(lchan->subscr);
+ if (lchan->conn.subscr && !llist_empty(&lchan->conn.subscr->requests))
+ subscr_send_paging_request(lchan->conn.subscr);
}
diff --git a/openbsc/src/handover_logic.c b/openbsc/src/handover_logic.c
index bd4c563f..acb3aa10 100644
--- a/openbsc/src/handover_logic.c
+++ b/openbsc/src/handover_logic.c
@@ -122,7 +122,7 @@ int bsc_handover_start(struct gsm_lchan *old_lchan, struct gsm_bts *bts)
new_lchan->bs_power = old_lchan->bs_power;
new_lchan->rsl_cmode = old_lchan->rsl_cmode;
new_lchan->tch_mode = old_lchan->tch_mode;
- new_lchan->subscr = subscr_get(old_lchan->subscr);
+ new_lchan->conn.subscr = subscr_get(old_lchan->conn.subscr);
/* FIXME: do we have a better idea of the timing advance? */
rc = rsl_chan_activate_lchan(new_lchan, RSL_ACT_INTER_ASYNC, 0,
@@ -218,7 +218,7 @@ static int ho_gsm48_ho_compl(struct gsm_lchan *new_lchan)
}
LOGP(DHO, LOGL_INFO, "Subscriber %s HO from BTS %u->%u on ARFCN "
- "%u->%u\n", subscr_name(ho->old_lchan->subscr),
+ "%u->%u\n", subscr_name(ho->old_lchan->conn.subscr),
ho->old_lchan->ts->trx->bts->nr, new_lchan->ts->trx->bts->nr,
ho->old_lchan->ts->trx->arfcn, new_lchan->ts->trx->arfcn);
@@ -243,6 +243,7 @@ static int ho_gsm48_ho_compl(struct gsm_lchan *new_lchan)
/* GSM 04.08 HANDOVER FAIL has been received */
static int ho_gsm48_ho_fail(struct gsm_lchan *old_lchan)
{
+ struct gsm_subscriber_connection *conn;
struct gsm_network *net = old_lchan->ts->trx->bts->network;
struct bsc_handover *ho;
@@ -256,7 +257,8 @@ static int ho_gsm48_ho_fail(struct gsm_lchan *old_lchan)
bsc_del_timer(&ho->T3103);
llist_del(&ho->list);
- put_lchan(ho->new_lchan);
+ conn = &ho->new_lchan->conn;
+ put_subscr_con(conn);
talloc_free(ho);
return 0;
diff --git a/openbsc/src/silent_call.c b/openbsc/src/silent_call.c
index cada24e6..8bd5341e 100644
--- a/openbsc/src/silent_call.c
+++ b/openbsc/src/silent_call.c
@@ -38,6 +38,7 @@
static int paging_cb_silent(unsigned int hooknum, unsigned int event,
struct msgb *msg, void *_lchan, void *_data)
{
+ struct gsm_subscriber_connection *conn;
struct gsm_lchan *lchan = _lchan;
struct scall_signal_data sigdata;
int rc;
@@ -47,6 +48,8 @@ static int paging_cb_silent(unsigned int hooknum, unsigned int event,
DEBUGP(DSMS, "paging_cb_silent: ");
+ conn = &lchan->conn;
+
sigdata.lchan = lchan;
sigdata.data = _data;
@@ -54,10 +57,10 @@ static int paging_cb_silent(unsigned int hooknum, unsigned int event,
case GSM_PAGING_SUCCEEDED:
DEBUGPC(DSMS, "success, using Timeslot %u on ARFCN %u\n",
lchan->ts->nr, lchan->ts->trx->arfcn);
- lchan->silent_call = 1;
+ conn->silent_call = 1;
/* increment lchan reference count */
dispatch_signal(SS_SCALL, S_SCALL_SUCCESS, &sigdata);
- use_lchan(lchan);
+ use_subscr_con(conn);
break;
case GSM_PAGING_EXPIRED:
DEBUGP(DSMS, "expired\n");
@@ -97,7 +100,7 @@ int silent_call_reroute(struct msgb *msg)
int i;
/* if we're not part of a silent call, never reroute */
- if (!msg->lchan->silent_call)
+ if (!msg->lchan->conn.silent_call)
return 0;
/* check if we are a special message that is handled in openbsc */
@@ -126,16 +129,18 @@ int gsm_silent_call_start(struct gsm_subscriber *subscr, void *data, int type)
int gsm_silent_call_stop(struct gsm_subscriber *subscr)
{
struct gsm_lchan *lchan;
+ struct gsm_subscriber_connection *conn;
lchan = lchan_for_subscr(subscr);
if (!lchan)
return -EINVAL;
/* did we actually establish a silent call for this guy? */
- if (!lchan->silent_call)
+ conn = &lchan->conn;
+ if (!conn->silent_call)
return -EINVAL;
- put_lchan(lchan);
+ put_subscr_con(conn);
return 0;
}
diff --git a/openbsc/src/transaction.c b/openbsc/src/transaction.c
index 75a279dd..95075566 100644
--- a/openbsc/src/transaction.c
+++ b/openbsc/src/transaction.c
@@ -96,7 +96,7 @@ void trans_free(struct gsm_trans *trans)
}
if (trans->lchan)
- put_lchan(trans->lchan);
+ put_subscr_con(&trans->lchan->conn);
if (!trans->lchan && trans->subscr && trans->subscr->net) {
/* Stop paging on all bts' */
@@ -157,12 +157,16 @@ int trans_lchan_change(struct gsm_lchan *lchan_old,
llist_for_each_entry(trans, &net->trans_list, entry) {
if (trans->lchan == lchan_old) {
- /* drop old channel use cound */
- put_lchan(trans->lchan);
+ struct gsm_subscriber_connection *conn;
+
+ /* drop old channel use count */
+ conn = &trans->lchan->conn;
+ put_subscr_con(conn);
/* assign new channel */
trans->lchan = lchan_new;
/* bump new channel use count */
- use_lchan(trans->lchan);
+ conn = &trans->lchan->conn;
+ use_subscr_con(conn);
num++;
}
}
diff --git a/openbsc/src/ussd.c b/openbsc/src/ussd.c
index a3d11f08..54769196 100644
--- a/openbsc/src/ussd.c
+++ b/openbsc/src/ussd.c
@@ -62,7 +62,7 @@ int handle_rcv_ussd(struct msgb *msg)
/* A network-specific handler function */
static int send_own_number(const struct msgb *msg, const struct ussd_request *req)
{
- char *own_number = msg->lchan->subscr->extension;
+ char *own_number = msg->lchan->conn.subscr->extension;
char response_string[GSM_EXTENSION_LENGTH + 20];
/* Need trailing CR as EOT character */
diff --git a/openbsc/src/vty_interface.c b/openbsc/src/vty_interface.c
index e8948697..6dbae8c5 100644
--- a/openbsc/src/vty_interface.c
+++ b/openbsc/src/vty_interface.c
@@ -601,16 +601,16 @@ static void lchan_dump_vty(struct vty *vty, struct gsm_lchan *lchan)
lchan->nr, lchan->ts->nr, lchan->ts->trx->nr,
lchan->ts->trx->bts->nr, gsm_lchant_name(lchan->type),
VTY_NEWLINE);
- vty_out(vty, " Use Count: %u, State: %s%s", lchan->use_count,
+ vty_out(vty, " Use Count: %u, State: %s%s", lchan->conn.use_count,
gsm_lchans_name(lchan->state), VTY_NEWLINE);
vty_out(vty, " BS Power: %u dBm, MS Power: %u dBm%s",
lchan->ts->trx->nominal_power - lchan->ts->trx->max_power_red
- lchan->bs_power*2,
ms_pwr_dbm(lchan->ts->trx->bts->band, lchan->ms_power),
VTY_NEWLINE);
- if (lchan->subscr) {
+ if (lchan->conn.subscr) {
vty_out(vty, " Subscriber:%s", VTY_NEWLINE);
- subscr_dump_vty(vty, lchan->subscr);
+ subscr_dump_vty(vty, lchan->conn.subscr);
} else
vty_out(vty, " No Subscriber%s", VTY_NEWLINE);
if (is_ipaccess_bts(lchan->ts->trx->bts)) {