qcacld-3.0: Reject system suspend in monitor mode
In the monitor mode when the system is suspended
FW trying to send packet to host which is not allowed leading to this
system crash.
Acquire wakelock once the device enters monitor mode and block
the system from entering suspend.
Change-Id: I27ba2d43fd7b84bc1ae7e6046ab635065872b2d2
CRs-Fixed: 2130546
diff --git a/core/hdd/src/wlan_hdd_main.c b/core/hdd/src/wlan_hdd_main.c
index c95144f..9d4b65f 100644
--- a/core/hdd/src/wlan_hdd_main.c
+++ b/core/hdd/src/wlan_hdd_main.c
@@ -6053,6 +6053,8 @@
*/
static int hdd_context_deinit(struct hdd_context *hdd_ctx)
{
+ qdf_wake_lock_destroy(&hdd_ctx->monitor_mode_wakelock);
+
wlan_hdd_cfg80211_deinit(hdd_ctx->wiphy);
hdd_sap_context_destroy(hdd_ctx);
@@ -6192,6 +6194,12 @@
qdf_nbuf_deinit_replenish_timer();
+ if (QDF_GLOBAL_MONITOR_MODE == hdd_get_conparam()) {
+ hdd_info("Release wakelock for monitor mode!");
+ qdf_wake_lock_release(&hdd_ctx->monitor_mode_wakelock,
+ WIFI_POWER_EVENT_WAKELOCK_MONITOR_MODE);
+ }
+
qdf_spinlock_destroy(&hdd_ctx->hdd_adapter_lock);
qdf_spinlock_destroy(&hdd_ctx->sta_update_info_lock);
qdf_spinlock_destroy(&hdd_ctx->connection_status_lock);
@@ -8020,6 +8028,9 @@
if (ret)
goto sap_destroy;
+ qdf_wake_lock_create(&hdd_ctx->monitor_mode_wakelock,
+ "monitor_mode_wakelock");
+
return 0;
sap_destroy:
@@ -11901,8 +11912,11 @@
return;
switch (curr_mode) {
- case QDF_GLOBAL_MISSION_MODE:
case QDF_GLOBAL_MONITOR_MODE:
+ hdd_info("Release wakelock for monitor mode!");
+ qdf_wake_lock_release(&hdd_ctx->monitor_mode_wakelock,
+ WIFI_POWER_EVENT_WAKELOCK_MONITOR_MODE);
+ case QDF_GLOBAL_MISSION_MODE:
case QDF_GLOBAL_FTM_MODE:
hdd_abort_mac_scan_all_adapters(hdd_ctx);
wlan_cfg80211_cleanup_scan_queue(hdd_ctx->hdd_pdev);
@@ -12091,6 +12105,12 @@
}
}
+ if (con_mode == QDF_GLOBAL_MONITOR_MODE) {
+ hdd_info("Acquire wakelock for monitor mode!");
+ qdf_wake_lock_acquire(&hdd_ctx->monitor_mode_wakelock,
+ WIFI_POWER_EVENT_WAKELOCK_MONITOR_MODE);
+ }
+
hdd_info("Mode successfully changed to %s", kmessage);
ret = 0;