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-rw-r--r--src/libvlr/vlr.c110
-rw-r--r--src/libvlr/vlr_access_req_fsm.c10
-rw-r--r--src/libvlr/vlr_lu_fsm.c16
-rw-r--r--src/libvlr/vlr_sgs.c38
4 files changed, 94 insertions, 80 deletions
diff --git a/src/libvlr/vlr.c b/src/libvlr/vlr.c
index cd4209d66..1afdbecc9 100644
--- a/src/libvlr/vlr.c
+++ b/src/libvlr/vlr.c
@@ -119,6 +119,7 @@ const char *vlr_subscr_msisdn_or_name(const struct vlr_subscr *vsub)
struct vlr_subscr *_vlr_subscr_find_by_imsi(struct vlr_instance *vlr,
const char *imsi,
+ const char *use,
const char *file, int line)
{
struct vlr_subscr *vsub;
@@ -127,14 +128,17 @@ struct vlr_subscr *_vlr_subscr_find_by_imsi(struct vlr_instance *vlr,
return NULL;
llist_for_each_entry(vsub, &vlr->subscribers, list) {
- if (vlr_subscr_matches_imsi(vsub, imsi))
- return _vlr_subscr_get(vsub, file, line);
+ if (vlr_subscr_matches_imsi(vsub, imsi)) {
+ vlr_subscr_get_src(vsub, use, file, line);
+ return vsub;
+ }
}
return NULL;
}
struct vlr_subscr *_vlr_subscr_find_by_tmsi(struct vlr_instance *vlr,
uint32_t tmsi,
+ const char *use,
const char *file, int line)
{
struct vlr_subscr *vsub;
@@ -143,14 +147,17 @@ struct vlr_subscr *_vlr_subscr_find_by_tmsi(struct vlr_instance *vlr,
return NULL;
llist_for_each_entry(vsub, &vlr->subscribers, list) {
- if (vlr_subscr_matches_tmsi(vsub, tmsi))
- return _vlr_subscr_get(vsub, file, line);
+ if (vlr_subscr_matches_tmsi(vsub, tmsi)) {
+ vlr_subscr_get_src(vsub, use, file, line);
+ return vsub;
+ }
}
return NULL;
}
struct vlr_subscr *_vlr_subscr_find_by_msisdn(struct vlr_instance *vlr,
const char *msisdn,
+ const char *use,
const char *file, int line)
{
struct vlr_subscr *vsub;
@@ -159,8 +166,10 @@ struct vlr_subscr *_vlr_subscr_find_by_msisdn(struct vlr_instance *vlr,
return NULL;
llist_for_each_entry(vsub, &vlr->subscribers, list) {
- if (vlr_subscr_matches_msisdn(vsub, msisdn))
- return _vlr_subscr_get(vsub, file, line);
+ if (vlr_subscr_matches_msisdn(vsub, msisdn)) {
+ vlr_subscr_get_src(vsub, use, file, line);
+ return vsub;
+ }
}
return NULL;
}
@@ -217,30 +226,24 @@ static int vlr_tx_gsup_error_reply(const struct vlr_instance *vlr,
return vlr_tx_gsup_message(vlr, &gsup_reply);
}
-struct vlr_subscr *_vlr_subscr_get(struct vlr_subscr *sub, const char *file, int line)
+static int vlr_subscr_use_cb(struct osmo_use_count_entry *e, int32_t old_use_count, const char *file, int line)
{
- if (!sub)
- return NULL;
- OSMO_ASSERT(sub->use_count < INT_MAX);
- sub->use_count++;
- LOGPSRC(DREF, LOGL_DEBUG, file, line,
- "VLR subscr %s usage increases to: %d\n",
- vlr_subscr_name(sub), sub->use_count);
- return sub;
-}
+ struct vlr_subscr *vsub = e->use_count->talloc_object;
+ char buf[128];
-struct vlr_subscr *_vlr_subscr_put(struct vlr_subscr *sub, const char *file, int line)
-{
- if (!sub)
- return NULL;
- sub->use_count--;
- LOGPSRC(DREF, sub->use_count >= 0? LOGL_DEBUG : LOGL_ERROR,
- file, line,
- "VLR subscr %s usage decreases to: %d\n",
- vlr_subscr_name(sub), sub->use_count);
- if (sub->use_count <= 0)
- vlr_subscr_free(sub);
- return NULL;
+ if (!e->use)
+ return -EINVAL;
+
+ LOGPSRC(DREF, LOGL_DEBUG, file, line, "VLR subscr %s %s %s: now used by %s\n",
+ vlr_subscr_name(vsub), (e->count - old_use_count) > 0? "+" : "-", e->use,
+ osmo_use_count_name_buf(buf, sizeof(buf), e->use_count));
+
+ if (e->count < 0)
+ return -ERANGE;
+
+ if (osmo_use_count_total(e->use_count) <= 0)
+ vlr_subscr_free(vsub);
+ return 0;
}
/* Allocate a new subscriber and insert it into list */
@@ -250,9 +253,16 @@ static struct vlr_subscr *_vlr_subscr_alloc(struct vlr_instance *vlr)
int i;
vsub = talloc_zero(vlr, struct vlr_subscr);
- vsub->vlr = vlr;
- vsub->tmsi = GSM_RESERVED_TMSI;
- vsub->tmsi_new = GSM_RESERVED_TMSI;
+ *vsub = (struct vlr_subscr){
+ .vlr = vlr,
+ .tmsi = GSM_RESERVED_TMSI,
+ .tmsi_new = GSM_RESERVED_TMSI,
+ .use_count = (struct osmo_use_count){
+ .talloc_object = vsub,
+ .use_cb = vlr_subscr_use_cb,
+ },
+ };
+ osmo_use_count_make_static_entries(&vsub->use_count, vsub->use_count_buf, ARRAY_SIZE(vsub->use_count_buf));
for (i = 0; i < ARRAY_SIZE(vsub->auth_tuples); i++)
vsub->auth_tuples[i].key_seq = VLR_KEY_SEQ_INVAL;
@@ -269,11 +279,6 @@ static struct vlr_subscr *_vlr_subscr_alloc(struct vlr_instance *vlr)
return vsub;
}
-struct vlr_subscr *vlr_subscr_alloc(struct vlr_instance *vlr)
-{
- return vlr_subscr_get(_vlr_subscr_alloc(vlr));
-}
-
/* Send a GSUP Purge MS request.
* TODO: this should be sent to the *previous* VLR when this VLR is "taking"
* this subscriber, not to the HLR? */
@@ -297,12 +302,12 @@ void vlr_subscr_cancel_attach_fsm(struct vlr_subscr *vsub,
if (!vsub)
return;
- vlr_subscr_get(vsub);
+ vlr_subscr_get(vsub, __func__);
if (vsub->lu_fsm)
vlr_loc_update_cancel(vsub->lu_fsm, fsm_cause, gsm48_cause);
if (vsub->proc_arq_fsm)
vlr_parq_cancel(vsub->proc_arq_fsm, fsm_cause, gsm48_cause);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
}
/* Call vlr_subscr_cancel(), then completely drop the entry from the VLR */
@@ -327,6 +332,7 @@ int vlr_subscr_alloc_tmsi(struct vlr_subscr *vsub)
struct vlr_instance *vlr = vsub->vlr;
uint32_t tmsi;
int tried, rc;
+ struct vlr_subscr *other_vsub;
for (tried = 0; tried < 100; tried++) {
rc = osmo_get_rand_id((uint8_t *) &tmsi, sizeof(tmsi));
@@ -349,8 +355,10 @@ int vlr_subscr_alloc_tmsi(struct vlr_subscr *vsub)
}
/* If this TMSI is already in use, try another one. */
- if (vlr_subscr_find_by_tmsi(vlr, tmsi))
+ if ((other_vsub = vlr_subscr_find_by_tmsi(vlr, tmsi, __func__))) {
+ vlr_subscr_put(other_vsub, __func__);
continue;
+ }
vsub->tmsi_new = tmsi;
vsub->vlr->ops.subscr_update(vsub);
@@ -368,21 +376,23 @@ int vlr_subscr_alloc_tmsi(struct vlr_subscr *vsub)
* \param[out] created if non-NULL, returns whether a new entry was created. */
struct vlr_subscr *_vlr_subscr_find_or_create_by_imsi(struct vlr_instance *vlr,
const char *imsi,
+ const char *use,
bool *created,
const char *file,
int line)
{
struct vlr_subscr *vsub;
- vsub = _vlr_subscr_find_by_imsi(vlr, imsi, file, line);
+ vsub = _vlr_subscr_find_by_imsi(vlr, imsi, use, file, line);
if (vsub) {
if (created)
*created = false;
return vsub;
}
- vsub = _vlr_subscr_get(_vlr_subscr_alloc(vlr), file, line);
+ vsub = _vlr_subscr_alloc(vlr);
if (!vsub)
return NULL;
+ vlr_subscr_get_src(vsub, use, file, line);
vlr_subscr_set_imsi(vsub, imsi);
LOGP(DVLR, LOGL_INFO, "New subscr, IMSI: %s\n", vsub->imsi);
if (created)
@@ -396,21 +406,23 @@ struct vlr_subscr *_vlr_subscr_find_or_create_by_imsi(struct vlr_instance *vlr,
* \param[out] created if non-NULL, returns whether a new entry was created. */
struct vlr_subscr *_vlr_subscr_find_or_create_by_tmsi(struct vlr_instance *vlr,
uint32_t tmsi,
+ const char *use,
bool *created,
const char *file,
int line)
{
struct vlr_subscr *vsub;
- vsub = _vlr_subscr_find_by_tmsi(vlr, tmsi, file, line);
+ vsub = _vlr_subscr_find_by_tmsi(vlr, tmsi, use, file, line);
if (vsub) {
if (created)
*created = false;
return vsub;
}
- vsub = _vlr_subscr_get(_vlr_subscr_alloc(vlr), file, line);
+ vsub = _vlr_subscr_alloc(vlr);
if (!vsub)
return NULL;
+ vlr_subscr_get_src(vsub, use, file, line);
vsub->tmsi = tmsi;
LOGP(DVLR, LOGL_INFO, "New subscr, TMSI: 0x%08x\n", vsub->tmsi);
if (created)
@@ -1098,7 +1110,7 @@ int vlr_gsupc_read_cb(struct osmo_gsup_client *gsupc, struct msgb *msg)
goto msgb_free_and_return;
}
- vsub = vlr_subscr_find_by_imsi(vlr, gsup.imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, gsup.imsi, __func__);
if (!vsub) {
switch (gsup.message_type) {
case OSMO_GSUP_MSGT_PURGE_MS_RESULT:
@@ -1146,7 +1158,7 @@ int vlr_gsupc_read_cb(struct osmo_gsup_client *gsupc, struct msgb *msg)
break;
}
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
msgb_free_and_return:
msgb_free(msg);
@@ -1239,7 +1251,7 @@ bool vlr_subscr_expire(struct vlr_subscr *vsub)
if (vsub->lu_complete) {
/* balancing the get from vlr_lu_compl_fsm_success() */
vsub->lu_complete = false;
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, VSUB_USE_ATTACHED);
return true;
}
@@ -1425,16 +1437,18 @@ void log_set_filter_vlr_subscr(struct log_target *target,
struct vlr_subscr *vlr_subscr)
{
struct vlr_subscr **fsub = (void*)&target->filter_data[LOG_FLT_VLR_SUBSCR];
+ const char *use = "logfilter";
/* free the old data */
if (*fsub) {
- vlr_subscr_put(*fsub);
+ vlr_subscr_put(*fsub, use);
*fsub = NULL;
}
if (vlr_subscr) {
target->filter_map |= (1 << LOG_FLT_VLR_SUBSCR);
- *fsub = vlr_subscr_get(vlr_subscr);
+ vlr_subscr_get(vlr_subscr, use);
+ *fsub = vlr_subscr;
} else
target->filter_map &= ~(1 << LOG_FLT_VLR_SUBSCR);
}
diff --git a/src/libvlr/vlr_access_req_fsm.c b/src/libvlr/vlr_access_req_fsm.c
index 26db42cb3..3040158cf 100644
--- a/src/libvlr/vlr_access_req_fsm.c
+++ b/src/libvlr/vlr_access_req_fsm.c
@@ -356,10 +356,10 @@ static void proc_arq_vlr_fn_init(struct osmo_fsm_inst *fi,
/* Obtain_Identity_VLR */
if (!par->by_tmsi) {
/* IMSI was included */
- vsub = vlr_subscr_find_by_imsi(par->vlr, par->imsi);
+ vsub = vlr_subscr_find_by_imsi(par->vlr, par->imsi, __func__);
} else {
/* TMSI was included */
- vsub = vlr_subscr_find_by_tmsi(par->vlr, par->tmsi);
+ vsub = vlr_subscr_find_by_tmsi(par->vlr, par->tmsi, __func__);
}
if (vsub) {
log_set_context(LOG_CTX_VLR_SUBSCR, vsub);
@@ -377,7 +377,7 @@ static void proc_arq_vlr_fn_init(struct osmo_fsm_inst *fi,
proc_arq_fsm_done(fi, GSM48_REJECT_NETWORK_FAILURE);
else
proc_arq_vlr_fn_post_imsi(fi);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
return;
}
/* No VSUB could be resolved. What now? */
@@ -412,7 +412,7 @@ static void proc_arq_vlr_fn_w_obt_imsi(struct osmo_fsm_inst *fi,
OSMO_ASSERT(event == PR_ARQ_E_ID_IMSI);
- vsub = vlr_subscr_find_by_imsi(vlr, par->imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, par->imsi, __func__);
if (!vsub) {
/* Set User Error: Unidentified Subscriber */
proc_arq_fsm_done(fi, GSM48_REJECT_IMSI_UNKNOWN_IN_VLR);
@@ -422,7 +422,7 @@ static void proc_arq_vlr_fn_w_obt_imsi(struct osmo_fsm_inst *fi,
proc_arq_fsm_done(fi, GSM48_REJECT_NETWORK_FAILURE);
else
proc_arq_vlr_fn_post_imsi(fi);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
}
/* Authenticate_VLR has completed */
diff --git a/src/libvlr/vlr_lu_fsm.c b/src/libvlr/vlr_lu_fsm.c
index 7ddf4558d..ecf96fad5 100644
--- a/src/libvlr/vlr_lu_fsm.c
+++ b/src/libvlr/vlr_lu_fsm.c
@@ -360,7 +360,7 @@ static void vlr_lu_compl_fsm_success(struct osmo_fsm_inst *fi)
if (!vsub->lu_complete) {
vsub->lu_complete = true;
/* Balanced by vlr_subscr_expire() */
- vlr_subscr_get(vsub);
+ vlr_subscr_get(vsub, VSUB_USE_ATTACHED);
}
_vlr_lu_compl_fsm_done(fi, VLR_FSM_RESULT_SUCCESS, 0);
vlr_sgs_fsm_update_id(vsub);
@@ -982,7 +982,7 @@ static int _lu_fsm_associate_vsub(struct osmo_fsm_inst *fi)
* someone else's TMSI.
* TODO: Otherwise we can ask for the IMSI and verify that it
* matches the IMSI on record. */
- vsub = vlr_subscr_find_or_create_by_tmsi(vlr, lfp->tmsi, NULL);
+ vsub = vlr_subscr_find_or_create_by_tmsi(vlr, lfp->tmsi, __func__, NULL);
if (!vsub) {
LOGPFSML(fi, LOGL_ERROR, "VLR subscriber allocation failed\n");
@@ -992,27 +992,27 @@ static int _lu_fsm_associate_vsub(struct osmo_fsm_inst *fi)
vsub->sub_dataconf_by_hlr_ind = false;
if (assoc_lfp_with_sub(fi, vsub)) {
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
return -1; /* error, fsm failure invoked in assoc_lfp_with_sub() */
}
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
} else {
/* IMSI was used */
- vsub = vlr_subscr_find_or_create_by_imsi(vlr, lfp->imsi, NULL);
+ vsub = vlr_subscr_find_or_create_by_imsi(vlr, lfp->imsi, __func__, NULL);
if (!vsub) {
LOGPFSML(fi, LOGL_ERROR, "VLR subscriber allocation failed\n");
lu_fsm_failure(fi, GSM48_REJECT_SRV_OPT_TMP_OUT_OF_ORDER);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
return -1;
}
vsub->sub_dataconf_by_hlr_ind = false;
if (assoc_lfp_with_sub(fi, vsub)) {
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
return -1; /* error, fsm failure invoked in assoc_lfp_with_sub() */
}
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
}
return 0;
}
diff --git a/src/libvlr/vlr_sgs.c b/src/libvlr/vlr_sgs.c
index 06737db46..3ee7799a8 100644
--- a/src/libvlr/vlr_sgs.c
+++ b/src/libvlr/vlr_sgs.c
@@ -80,7 +80,7 @@ int vlr_sgs_loc_update(struct vlr_instance *vlr, struct vlr_sgs_cfg *cfg,
OSMO_ASSERT(cfg);
OSMO_ASSERT(imsi);
- vsub = vlr_subscr_find_or_create_by_imsi(vlr, imsi, NULL);
+ vsub = vlr_subscr_find_or_create_by_imsi(vlr, imsi, VSUB_USE_SGS, NULL);
if (!vsub) {
LOGP(DSGS, LOGL_ERROR, "VLR subscriber allocation failed\n");
return -EINVAL;
@@ -137,7 +137,7 @@ void vlr_sgs_imsi_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_
struct vlr_subscr *vsub;
enum sgs_ue_fsm_event evt;
- vsub = vlr_subscr_find_by_imsi(vlr, imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, imsi, __func__);
if (!vsub)
return;
@@ -164,12 +164,12 @@ void vlr_sgs_imsi_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_
}
osmo_fsm_inst_dispatch(vsub->sgs_fsm, evt, NULL);
- vlr_subscr_put(vsub);
/* Detaching from non EPS services essentially means that the
* subscriber is detached from 2G. In any case the VLR will
* get rid of the subscriber. */
vlr_subscr_expire(vsub);
+ vlr_subscr_put(vsub, __func__);
}
/*! Perform an SGs EPS detach.
@@ -180,7 +180,7 @@ void vlr_sgs_eps_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_i
{
struct vlr_subscr *vsub;
enum sgs_ue_fsm_event evt;
- vsub = vlr_subscr_find_by_imsi(vlr, imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, imsi, __func__);
if (!vsub)
return;
@@ -211,7 +211,7 @@ void vlr_sgs_eps_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_i
if (vsub->expire_lu == VLR_SUBSCRIBER_NO_EXPIRATION)
vlr_subscr_enable_expire_lu(vsub);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
}
/*! Perform an SGs TMSI reallocation complete.
@@ -220,12 +220,12 @@ void vlr_sgs_eps_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_i
void vlr_sgs_tmsi_reall_compl(struct vlr_instance *vlr, const char *imsi)
{
struct vlr_subscr *vsub;
- vsub = vlr_subscr_find_by_imsi(vlr, imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, imsi, __func__);
if (!vsub)
return;
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_TMSI_REALLOC, NULL);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
}
/*! Notify that an SGs paging has been rejected by the MME.
@@ -235,7 +235,7 @@ void vlr_sgs_tmsi_reall_compl(struct vlr_instance *vlr, const char *imsi)
void vlr_sgs_pag_rej(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_cause cause)
{
struct vlr_subscr *vsub;
- vsub = vlr_subscr_find_by_imsi(vlr, imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, imsi, __func__);
if (!vsub)
return;
@@ -246,10 +246,10 @@ void vlr_sgs_pag_rej(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_
vlr_subscr_msisdn_or_name(vsub), vlr_sgs_state_timer_name(SGS_STATE_TS5), sgsap_sgs_cause_name(cause));
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_PAGING_FAILURE, &cause);
- vlr_subscr_put(vsub);
-
/* Balance ref count increment from vlr_sgs_pag() */
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, VSUB_USE_SGS_PAGING);
+
+ vlr_subscr_put(vsub, __func__);
}
/*! Notify that an SGs paging has been accepted by the MME.
@@ -258,16 +258,16 @@ void vlr_sgs_pag_rej(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_
void vlr_sgs_pag_ack(struct vlr_instance *vlr, const char *imsi)
{
struct vlr_subscr *vsub;
- vsub = vlr_subscr_find_by_imsi(vlr, imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, imsi, __func__);
if (!vsub)
return;
/* Stop Ts5 and and consider the paging as successful */
osmo_timer_del(&vsub->sgs.Ts5);
- vlr_subscr_put(vsub);
-
/* Balance ref count increment from vlr_sgs_pag() */
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, VSUB_USE_SGS_PAGING);
+
+ vlr_subscr_put(vsub, __func__);
}
/*! Notify that the UE has been marked as unreachable by the MME.
@@ -277,7 +277,7 @@ void vlr_sgs_pag_ack(struct vlr_instance *vlr, const char *imsi)
void vlr_sgs_ue_unr(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_cause cause)
{
struct vlr_subscr *vsub;
- vsub = vlr_subscr_find_by_imsi(vlr, imsi);
+ vsub = vlr_subscr_find_by_imsi(vlr, imsi, __func__);
if (!vsub)
return;
@@ -289,7 +289,7 @@ void vlr_sgs_ue_unr(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_c
vlr_subscr_msisdn_or_name(vsub), vlr_sgs_state_timer_name(SGS_STATE_TS5), sgsap_sgs_cause_name(cause));
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_SGSAP_UE_UNREACHABLE, &cause);
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, __func__);
}
/* Callback function that is called when an SGs paging request times out */
@@ -306,7 +306,7 @@ static void Ts5_timeout_cb(void *arg)
vlr_subscr_msisdn_or_name(vsub), vlr_sgs_state_timer_name(SGS_STATE_TS5));
/* Balance ref count increment from vlr_sgs_pag() */
- vlr_subscr_put(vsub);
+ vlr_subscr_put(vsub, VSUB_USE_SGS_PAGING);
return;
}
@@ -346,7 +346,7 @@ void vlr_sgs_pag(struct vlr_subscr *vsub, enum sgsap_service_ind serv_ind)
/* Ensure that the reference count is increased by one while the
* paging is happening. We will balance this again in vlr_sgs_pag_rej()
* and vlr_sgs_pag_ack(); */
- vlr_subscr_get(vsub);
+ vlr_subscr_get(vsub, VSUB_USE_SGS_PAGING);
}
/*! Check if the SGs interface is currently paging
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-29 02:03:06 +0000