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qcacmn: Add objmgr check for vdev leaks API

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During objmgr psoc teardown, it would be useful to assert that there are
no longer any vdevs attached. Add an API that logs a list of all
vdevs attached to a given psoc, and panics if any are found.

Change-Id: Id618fa396ec1238b1bb7a78dfb6267e2b08470e4
CRs-Fixed: 2255503
This commit is contained in:
Dustin Brown 2018-05-24 14:43:29 -07:00 • committed by nshrivas
commit 028f560991
2 changed files with 58 additions and 0 deletions
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8
umac/cmn_services/obj_mgr/inc/wlan_objmgr_psoc_obj.h
View file

@ -1436,6 +1436,14 @@ QDF_STATUS wlan_objmgr_print_ref_all_objects_per_psoc(
QDF_STATUS wlan_objmgr_psoc_set_user_config(struct wlan_objmgr_psoc *psoc,
struct wlan_objmgr_psoc_user_config *user_config_data);
/**
* wlan_objmgr_psoc_check_for_vdev_leaks() - Assert no vdevs attached to @psoc
* @psoc: The psoc to check
*
* Return: None
*/
void wlan_objmgr_psoc_check_for_vdev_leaks(struct wlan_objmgr_psoc *psoc);
/**
* wlan_objmgr_psoc_get_dual_mac_disable () - get user config
* data for DBS disable

50
umac/cmn_services/obj_mgr/src/wlan_objmgr_psoc_obj.c
View file

@ -2004,3 +2004,53 @@ QDF_STATUS wlan_objmgr_psoc_set_user_config(struct wlan_objmgr_psoc *psoc,
return QDF_STATUS_SUCCESS;
}
void wlan_objmgr_psoc_check_for_vdev_leaks(struct wlan_objmgr_psoc *psoc)
{
struct wlan_objmgr_psoc_objmgr *_psoc;
int vdev_id;
int ref_id;
QDF_BUG(psoc);
if (!psoc)
return;
wlan_psoc_obj_lock(psoc);
_psoc = &psoc->soc_objmgr;
if (!_psoc->wlan_vdev_count) {
wlan_psoc_obj_unlock(psoc);
return;
}
obj_mgr_err("objmgr vdev leaks detected for psoc %u!", _psoc->psoc_id);
obj_mgr_err("--------------------------------------------------------");
obj_mgr_err("Vdev Id Refs Module");
obj_mgr_err("--------------------------------------------------------");
for (vdev_id = 0; vdev_id < _psoc->max_vdev_count; vdev_id++) {
struct wlan_objmgr_vdev *vdev = _psoc->wlan_vdev_list[vdev_id];
qdf_atomic_t *ref_id_dbg;
if (!vdev)
continue;
wlan_vdev_obj_lock(vdev);
ref_id_dbg = vdev->vdev_objmgr.ref_id_dbg;
for (ref_id = 0; ref_id < WLAN_REF_ID_MAX; ref_id++) {
int32_t refs = qdf_atomic_read(&ref_id_dbg[ref_id]);
if (refs <= 0)
continue;
obj_mgr_err("%7u %4u x %s",
vdev_id, refs, string_from_dbgid(ref_id));
}
wlan_vdev_obj_unlock(vdev);
}
wlan_psoc_obj_unlock(psoc);
QDF_DEBUG_PANIC();
}
qdf_export_symbol(wlan_objmgr_psoc_check_for_vdev_leaks);