diff options
| author | Luciano Coelho | 2014-11-10 11:10:12 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach | 2014-11-24 08:30:29 +0200 |
| commit | f6c34820d36c7d385bd0b87bb2afeb0106e7ab8c (patch) | |
| tree | 58717b16fa05bf50373ef7ac79893a354e04d90d /drivers | |
| parent | 7ef0aab66b317ff4d818966b2104c900c7126ec8 (diff) | |
iwlwifi: mvm: disable PS during channel switch
Disable PS when pre_channel_switch is called and add the
post_channel_switch operation to re-enable PS when the channel switch
is completed.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 6098eafcf13a..b5365904c38e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -3166,7 +3166,7 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct ieee80211_vif *csa_vif; - struct iwl_mvm_vif *mvmvif; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; mutex_lock(&mvm->mutex); @@ -3187,7 +3187,6 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, rcu_assign_pointer(mvm->csa_vif, vif); - mvmvif = iwl_mvm_vif_from_mac80211(vif); if (WARN_ONCE(mvmvif->csa_countdown, "Previous CSA countdown didn't complete")) { ret = -EBUSY; @@ -3199,7 +3198,11 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, break; } - ret = 0; + mvmvif->ps_disabled = true; + + ret = iwl_mvm_power_update_ps(mvm); + if (ret) + goto out_unlock; out_unlock: mutex_unlock(&mvm->mutex); @@ -3207,6 +3210,24 @@ out_unlock: return ret; } +static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + mutex_lock(&mvm->mutex); + + mvmvif->ps_disabled = false; + + ret = iwl_mvm_power_update_ps(mvm); + + mutex_unlock(&mvm->mutex); + + return ret; +} + static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop) { @@ -3300,6 +3321,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .set_tim = iwl_mvm_set_tim, .pre_channel_switch = iwl_mvm_pre_channel_switch, + .post_channel_switch = iwl_mvm_post_channel_switch, .tdls_channel_switch = iwl_mvm_tdls_channel_switch, .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, |