diff options
| author | Johannes Berg | 2012-03-15 13:26:51 -0700 |
|---|---|---|
| committer | John W. Linville | 2012-04-09 16:37:21 -0400 |
| commit | e56103823716039418d099221dd2059fa7547fbf (patch) | |
| tree | ae2151ff0c7ca3ac43e3947ae9dc7d20651d9fcb | |
| parent | 6a22f10c45f81cb66770b9432ca971375ccc2000 (diff) | |
iwlwifi: use scan while idle
As idle is just a deep powersave mode for
the device, it will easily scan while idle
since that turns off powersave.
This reduces the number of commands sent
to the device when scanning.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-mac80211.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 8 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c index b6805f8e9a01..d2be4b60488d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -157,7 +157,8 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, */ hw->flags |= IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + IEEE80211_HW_SUPPORTS_DYNAMIC_PS | + IEEE80211_HW_SCAN_WHILE_IDLE; if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 863ad0c4d50f..4338d4942ed2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -806,8 +806,12 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]); scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags); - /* In power save mode use one chain, otherwise use all chains */ - if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) { + /* + * In power save mode while associated use one chain, + * otherwise use all chains + */ + if (test_bit(STATUS_POWER_PMI, &priv->shrd->status) && + !(priv->hw->conf.flags & IEEE80211_CONF_IDLE)) { /* rx_ant has been set to all valid chains previously */ active_chains = rx_ant & ((u8)(priv->chain_noise_data.active_chains)); |