From ab4800303299e9a3b844e8256bf3c8fd9f095060 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 4 Jun 2014 10:13:50 +0200 Subject: [PATCH] iwlwifi: mvm: add back support for low-priority scan The low-priority scan feature can be useful, e.g. for OBSS scans (if those are required by the AP); add back support for it, restoring the maximum out time to the value it was for low-priority scan before that was removed. Signed-off-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/mvm/mac80211.c | 1 + drivers/net/wireless/iwlwifi/mvm/scan.c | 9 ++++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 7215f5980186..41c0aace3e84 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -374,6 +374,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->max_sched_scan_ie_len = SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | + NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_P2P_GO_OPPPS; mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index df8f3ebea84a..896c21d4fc7c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -267,7 +267,7 @@ static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - int n_ssids, + int n_ssids, u32 flags, struct iwl_mvm_scan_params *params) { bool global_bound = false; @@ -289,6 +289,9 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm, params->max_out_time = 250; } + if (flags & NL80211_SCAN_FLAG_LOW_PRIORITY) + params->max_out_time = 200; + not_bound: for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) { @@ -332,7 +335,7 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, cmd->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH); cmd->rxchain_sel_flags = iwl_mvm_scan_rx_chain(mvm); - iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, ¶ms); + iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, req->flags, ¶ms); cmd->max_out_time = cpu_to_le32(params.max_out_time); cmd->suspend_time = cpu_to_le32(params.suspend_time); if (params.passive_fragmented) @@ -758,7 +761,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, if (!scan_cfg) return -ENOMEM; - iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, ¶ms); + iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, 0, ¶ms); iwl_build_scan_cmd(mvm, vif, req, &scan_cfg->scan_cmd, ¶ms); scan_cfg->scan_cmd.len = cpu_to_le16(cmd_len); -- 2.11.0