From 920ae989e5b5f740e4b191f8f7a961ea9eff02a6 Mon Sep 17 00:00:00 2001 From: Ilan Peer Date: Fri, 4 Feb 2022 12:25:11 +0200 Subject: iwlwifi: mvm: Unify the scan iteration functions As there is not real need to iterate the active interfaces twice. Signed-off-by: Ilan Peer Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20220204122220.940e45167283.I99ddfeda3d4a50d21cb18b826ccf84b21a76c487@changeid Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 74 ++++++++++++--------------- 1 file changed, 32 insertions(+), 42 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 9377549b1af5..76c38645fbd7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -168,17 +168,6 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum nl80211_band band, return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant); } -static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - int *global_cnt = data; - - if (vif->type != NL80211_IFTYPE_P2P_DEVICE && mvmvif->phy_ctxt && - mvmvif->phy_ctxt->id < NUM_PHY_CTX) - *global_cnt += 1; -} - static enum iwl_mvm_traffic_load iwl_mvm_get_traffic_load(struct iwl_mvm *mvm) { return mvm->tcm.result.global_load; @@ -190,26 +179,31 @@ iwl_mvm_get_traffic_load_band(struct iwl_mvm *mvm, enum nl80211_band band) return mvm->tcm.result.band_load[band]; } -struct iwl_is_dcm_with_go_iterator_data { +struct iwl_mvm_scan_iter_data { + u32 global_cnt; struct ieee80211_vif *current_vif; bool is_dcm_with_p2p_go; }; -static void iwl_mvm_is_dcm_with_go_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) +static void iwl_mvm_scan_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) { - struct iwl_is_dcm_with_go_iterator_data *data = _data; - struct iwl_mvm_vif *other_mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mvm_vif *curr_mvmvif = - iwl_mvm_vif_from_mac80211(data->current_vif); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_scan_iter_data *data = _data; + struct iwl_mvm_vif *curr_mvmvif; - /* exclude the given vif */ - if (vif == data->current_vif) + if (vif->type != NL80211_IFTYPE_P2P_DEVICE && mvmvif->phy_ctxt && + mvmvif->phy_ctxt->id < NUM_PHY_CTX) + data->global_cnt += 1; + + if (!data->current_vif || vif == data->current_vif) return; + curr_mvmvif = iwl_mvm_vif_from_mac80211(data->current_vif); + if (vif->type == NL80211_IFTYPE_AP && vif->p2p && - other_mvmvif->phy_ctxt && curr_mvmvif->phy_ctxt && - other_mvmvif->phy_ctxt->id != curr_mvmvif->phy_ctxt->id) + mvmvif->phy_ctxt && curr_mvmvif->phy_ctxt && + mvmvif->phy_ctxt->id != curr_mvmvif->phy_ctxt->id) data->is_dcm_with_p2p_go = true; } @@ -219,13 +213,18 @@ iwl_mvm_scan_type _iwl_mvm_get_scan_type(struct iwl_mvm *mvm, enum iwl_mvm_traffic_load load, bool low_latency) { - int global_cnt = 0; + struct iwl_mvm_scan_iter_data data = { + .current_vif = vif, + .is_dcm_with_p2p_go = false, + .global_cnt = 0, + }; ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_scan_condition_iterator, - &global_cnt); - if (!global_cnt) + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_scan_iterator, + &data); + + if (!data.global_cnt) return IWL_SCAN_TYPE_UNASSOC; if (fw_has_api(&mvm->fw->ucode_capa, @@ -234,23 +233,14 @@ iwl_mvm_scan_type _iwl_mvm_get_scan_type(struct iwl_mvm *mvm, (!vif || vif->type != NL80211_IFTYPE_P2P_DEVICE)) return IWL_SCAN_TYPE_FRAGMENTED; - /* in case of DCM with GO where BSS DTIM interval < 220msec + /* + * in case of DCM with GO where BSS DTIM interval < 220msec * set all scan requests as fast-balance scan - * */ + */ if (vif && vif->type == NL80211_IFTYPE_STATION && - vif->bss_conf.dtim_period < 220) { - struct iwl_is_dcm_with_go_iterator_data data = { - .current_vif = vif, - .is_dcm_with_p2p_go = false, - }; - - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_is_dcm_with_go_iterator, - &data); - if (data.is_dcm_with_p2p_go) - return IWL_SCAN_TYPE_FAST_BALANCE; - } + vif->bss_conf.dtim_period < 220 && + data.is_dcm_with_p2p_go) + return IWL_SCAN_TYPE_FAST_BALANCE; } if (load >= IWL_MVM_TRAFFIC_MEDIUM || low_latency) -- cgit v1.2.3