From: Johannes Berg <johannes.berg@xxxxxxxxx>
While an interface is in low-latency mode, for now powersave
should be disabled for it, so take low-latency into account
in the powersave code and force powersave recalculation when
low-latency mode changes.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/power.c | 3 ++-
drivers/net/wireless/iwlwifi/mvm/utils.c | 6 +++++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index d9eab3b..436c7e0 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -312,7 +312,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
mvmvif->dbgfs_pm.disable_power_off)
cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
- if (!vif->bss_conf.ps || mvmvif->pm_prevented)
+ if (!vif->bss_conf.ps || mvmvif->pm_prevented ||
+ iwl_mvm_vif_low_latency(mvmvif))
return;
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index e2cc876..790da1b 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -541,10 +541,14 @@ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
bool value)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ int res;
lockdep_assert_held(&mvm->mutex);
mvmvif->low_latency = value;
- return iwl_mvm_update_quotas(mvm, NULL);
+ res = iwl_mvm_update_quotas(mvm, NULL);
+ if (res)
+ return res;
+ return iwl_mvm_power_update_mode(mvm, vif);
}
--
1.7.9.5
--
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