iwlwifi: disable PS by default

Unfortunately, PS currently affects RX performance
significantly enough to warrant disabling it by
default, but give the user the choice to enable it
again with iwconfig.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index f4c2431017e2..c0efa6623c09 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1580,6 +1580,12 @@ int iwl_setup_mac(struct iwl_priv *priv)
         /* Firmware does not support this */
         hw->wiphy->disable_beacon_hints = true;
 
+        /*
+         * For now, disable PS by default because it affects
+         * RX performance significantly.
+         */
+        hw->wiphy->ps_default = false;
+
         hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
         /* we create the 802.11 header and a zero-length SSID element */
         hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;