diff options
author | Alexander Bondar <alexander.bondar@intel.com> | 2013-10-23 11:50:34 +0200 |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2013-12-17 19:39:42 +0200 |
commit | 92d8556250c81bd6d4df522926a2cb3711dd01e2 (patch) | |
tree | 5c1dcec1aa2344f2dc7299e713371f59508d2db3 /drivers/net/wireless/iwlwifi/mvm/power.c | |
parent | 1c2abf724b3397830e60596a6a41e2d9f870d1a6 (diff) |
iwlwifi: mvm: Disable power save for monitor interface
When monitor interface is activated device power save needs
to be disabled.
Re-consider power management status on other active
interfaces when monitor interface is bound or unbound.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/power.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index d5d4935bc0e9..cfed105b28b2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -301,7 +301,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC); cmd->keep_alive_seconds = cpu_to_le16(keep_alive); - if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) + if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM || + mvm->ps_prevented) return; cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); @@ -447,7 +448,7 @@ static int iwl_mvm_power_mac_disable(struct iwl_mvm *mvm, sizeof(cmd), &cmd); } -static int iwl_mvm_power_update_device(struct iwl_mvm *mvm) +static int _iwl_mvm_power_update_device(struct iwl_mvm *mvm, bool force_disable) { struct iwl_device_power_cmd cmd = { .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK), @@ -456,7 +457,8 @@ static int iwl_mvm_power_update_device(struct iwl_mvm *mvm) if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)) return 0; - if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) + if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM || + force_disable) cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK); #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -473,6 +475,11 @@ static int iwl_mvm_power_update_device(struct iwl_mvm *mvm) &cmd); } +static int iwl_mvm_power_update_device(struct iwl_mvm *mvm) +{ + return _iwl_mvm_power_update_device(mvm, false); +} + void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -525,8 +532,15 @@ static void iwl_mvm_power_binding_iterator(void *_data, u8 *mac, } static void _iwl_mvm_power_update_binding(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) + struct ieee80211_vif *vif, + bool assign) { + if (vif->type == NL80211_IFTYPE_MONITOR) { + int ret = _iwl_mvm_power_update_device(mvm, assign); + mvm->ps_prevented = assign; + WARN_ONCE(ret, "Failed to update power device state\n"); + } + ieee80211_iterate_active_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_power_binding_iterator, |