iwlwifi: mvm: set keepalive period regardless of PM state
The firmware starts sending nulldata frames for keepalive immediately
after association, regardless of power management state. The driver
thus needs to configure keep alive period unconditionally.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 0c07713..6e7e06a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -86,6 +86,13 @@
int keep_alive;
bool radar_detect = false;
+ /*
+ * Regardless of power management state the driver must set
+ * keep alive period. FW will use it for sending keep alive NDPs
+ * immediately after association.
+ */
+ cmd->keep_alive_seconds = POWER_KEEP_ALIVE_PERIOD_SEC;
+
if ((iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) ||
!iwlwifi_mod_params.power_save)
return;
@@ -117,9 +124,8 @@
/* Check that keep alive period is at least 3 * DTIM */
dtimper_msec = dtimper * vif->bss_conf.beacon_int;
keep_alive = max_t(int, 3 * dtimper_msec,
- MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
+ MSEC_PER_SEC * cmd->keep_alive_seconds);
keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
-
cmd->keep_alive_seconds = keep_alive;
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP) {