1bfcc09ddSBjoern A. Zeeb // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2bfcc09ddSBjoern A. Zeeb /* 3bfcc09ddSBjoern A. Zeeb * Copyright (C) 2012-2014, 2018-2021 Intel Corporation 4bfcc09ddSBjoern A. Zeeb * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5bfcc09ddSBjoern A. Zeeb * Copyright (C) 2016-2017 Intel Deutschland GmbH 6bfcc09ddSBjoern A. Zeeb */ 7bfcc09ddSBjoern A. Zeeb #include <linux/etherdevice.h> 8bfcc09ddSBjoern A. Zeeb #include <net/mac80211.h> 9bfcc09ddSBjoern A. Zeeb #include <linux/crc32.h> 10bfcc09ddSBjoern A. Zeeb 11bfcc09ddSBjoern A. Zeeb #include "mvm.h" 12bfcc09ddSBjoern A. Zeeb #include "fw/api/scan.h" 13bfcc09ddSBjoern A. Zeeb #include "iwl-io.h" 14bfcc09ddSBjoern A. Zeeb 15bfcc09ddSBjoern A. Zeeb #define IWL_DENSE_EBS_SCAN_RATIO 5 16bfcc09ddSBjoern A. Zeeb #define IWL_SPARSE_EBS_SCAN_RATIO 1 17bfcc09ddSBjoern A. Zeeb 18bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_DWELL_ACTIVE 10 19bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_DWELL_PASSIVE 110 20bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_DWELL_FRAGMENTED 44 21bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_DWELL_EXTENDED 90 22bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_NUM_OF_FRAGS 3 23bfcc09ddSBjoern A. Zeeb 24bfcc09ddSBjoern A. Zeeb /* adaptive dwell max budget time [TU] for full scan */ 25bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN 300 26bfcc09ddSBjoern A. Zeeb /* adaptive dwell max budget time [TU] for directed scan */ 27bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN 100 28bfcc09ddSBjoern A. Zeeb /* adaptive dwell default high band APs number */ 29bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_DEFAULT_HB_N_APS 8 30bfcc09ddSBjoern A. Zeeb /* adaptive dwell default low band APs number */ 31bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_DEFAULT_LB_N_APS 2 32bfcc09ddSBjoern A. Zeeb /* adaptive dwell default APs number in social channels (1, 6, 11) */ 33bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL 10 34bfcc09ddSBjoern A. Zeeb /* number of scan channels */ 35bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_NUM_CHANNELS 112 36bfcc09ddSBjoern A. Zeeb /* adaptive dwell number of APs override mask for p2p friendly GO */ 37bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY_BIT BIT(20) 38bfcc09ddSBjoern A. Zeeb /* adaptive dwell number of APs override mask for social channels */ 39bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS_BIT BIT(21) 40bfcc09ddSBjoern A. Zeeb /* adaptive dwell number of APs override for p2p friendly GO channels */ 41bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY 10 42bfcc09ddSBjoern A. Zeeb /* adaptive dwell number of APs override for social channels */ 43bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS 2 44bfcc09ddSBjoern A. Zeeb 45bfcc09ddSBjoern A. Zeeb /* minimal number of 2GHz and 5GHz channels in the regular scan request */ 46bfcc09ddSBjoern A. Zeeb #define IWL_MVM_6GHZ_PASSIVE_SCAN_MIN_CHANS 4 47bfcc09ddSBjoern A. Zeeb 48bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_timing_params { 49bfcc09ddSBjoern A. Zeeb u32 suspend_time; 50bfcc09ddSBjoern A. Zeeb u32 max_out_time; 51bfcc09ddSBjoern A. Zeeb }; 52bfcc09ddSBjoern A. Zeeb 53bfcc09ddSBjoern A. Zeeb static struct iwl_mvm_scan_timing_params scan_timing[] = { 54bfcc09ddSBjoern A. Zeeb [IWL_SCAN_TYPE_UNASSOC] = { 55bfcc09ddSBjoern A. Zeeb .suspend_time = 0, 56bfcc09ddSBjoern A. Zeeb .max_out_time = 0, 57bfcc09ddSBjoern A. Zeeb }, 58bfcc09ddSBjoern A. Zeeb [IWL_SCAN_TYPE_WILD] = { 59bfcc09ddSBjoern A. Zeeb .suspend_time = 30, 60bfcc09ddSBjoern A. Zeeb .max_out_time = 120, 61bfcc09ddSBjoern A. Zeeb }, 62bfcc09ddSBjoern A. Zeeb [IWL_SCAN_TYPE_MILD] = { 63bfcc09ddSBjoern A. Zeeb .suspend_time = 120, 64bfcc09ddSBjoern A. Zeeb .max_out_time = 120, 65bfcc09ddSBjoern A. Zeeb }, 66bfcc09ddSBjoern A. Zeeb [IWL_SCAN_TYPE_FRAGMENTED] = { 67bfcc09ddSBjoern A. Zeeb .suspend_time = 95, 68bfcc09ddSBjoern A. Zeeb .max_out_time = 44, 69bfcc09ddSBjoern A. Zeeb }, 70bfcc09ddSBjoern A. Zeeb [IWL_SCAN_TYPE_FAST_BALANCE] = { 71bfcc09ddSBjoern A. Zeeb .suspend_time = 30, 72bfcc09ddSBjoern A. Zeeb .max_out_time = 37, 73bfcc09ddSBjoern A. Zeeb }, 74bfcc09ddSBjoern A. Zeeb }; 75bfcc09ddSBjoern A. Zeeb 76bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params { 77bfcc09ddSBjoern A. Zeeb /* For CDB this is low band scan type, for non-CDB - type. */ 78bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type type; 79bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type hb_type; 80bfcc09ddSBjoern A. Zeeb u32 n_channels; 81bfcc09ddSBjoern A. Zeeb u16 delay; 82bfcc09ddSBjoern A. Zeeb int n_ssids; 83bfcc09ddSBjoern A. Zeeb struct cfg80211_ssid *ssids; 84bfcc09ddSBjoern A. Zeeb struct ieee80211_channel **channels; 85bfcc09ddSBjoern A. Zeeb u32 flags; 86bfcc09ddSBjoern A. Zeeb u8 *mac_addr; 87bfcc09ddSBjoern A. Zeeb u8 *mac_addr_mask; 88bfcc09ddSBjoern A. Zeeb bool no_cck; 89bfcc09ddSBjoern A. Zeeb bool pass_all; 90bfcc09ddSBjoern A. Zeeb int n_match_sets; 91bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_req preq; 92bfcc09ddSBjoern A. Zeeb struct cfg80211_match_set *match_sets; 93bfcc09ddSBjoern A. Zeeb int n_scan_plans; 94bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_plan *scan_plans; 95bfcc09ddSBjoern A. Zeeb bool iter_notif; 96bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_6ghz_params *scan_6ghz_params; 97bfcc09ddSBjoern A. Zeeb u32 n_6ghz_params; 98bfcc09ddSBjoern A. Zeeb bool scan_6ghz; 99bfcc09ddSBjoern A. Zeeb bool enable_6ghz_passive; 100d9836fb4SBjoern A. Zeeb bool respect_p2p_go, respect_p2p_go_hb; 101bfcc09ddSBjoern A. Zeeb }; 102bfcc09ddSBjoern A. Zeeb 103bfcc09ddSBjoern A. Zeeb static inline void *iwl_mvm_get_scan_req_umac_data(struct iwl_mvm *mvm) 104bfcc09ddSBjoern A. Zeeb { 105bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac *cmd = mvm->scan_cmd; 106bfcc09ddSBjoern A. Zeeb 107bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) 108bfcc09ddSBjoern A. Zeeb return (void *)&cmd->v8.data; 109bfcc09ddSBjoern A. Zeeb 110bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_supported(mvm)) 111bfcc09ddSBjoern A. Zeeb return (void *)&cmd->v7.data; 112bfcc09ddSBjoern A. Zeeb 113bfcc09ddSBjoern A. Zeeb if (iwl_mvm_cdb_scan_api(mvm)) 114bfcc09ddSBjoern A. Zeeb return (void *)&cmd->v6.data; 115bfcc09ddSBjoern A. Zeeb 116bfcc09ddSBjoern A. Zeeb return (void *)&cmd->v1.data; 117bfcc09ddSBjoern A. Zeeb } 118bfcc09ddSBjoern A. Zeeb 119bfcc09ddSBjoern A. Zeeb static inline struct iwl_scan_umac_chan_param * 120bfcc09ddSBjoern A. Zeeb iwl_mvm_get_scan_req_umac_channel(struct iwl_mvm *mvm) 121bfcc09ddSBjoern A. Zeeb { 122bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac *cmd = mvm->scan_cmd; 123bfcc09ddSBjoern A. Zeeb 124bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) 125bfcc09ddSBjoern A. Zeeb return &cmd->v8.channel; 126bfcc09ddSBjoern A. Zeeb 127bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_supported(mvm)) 128bfcc09ddSBjoern A. Zeeb return &cmd->v7.channel; 129bfcc09ddSBjoern A. Zeeb 130bfcc09ddSBjoern A. Zeeb if (iwl_mvm_cdb_scan_api(mvm)) 131bfcc09ddSBjoern A. Zeeb return &cmd->v6.channel; 132bfcc09ddSBjoern A. Zeeb 133bfcc09ddSBjoern A. Zeeb return &cmd->v1.channel; 134bfcc09ddSBjoern A. Zeeb } 135bfcc09ddSBjoern A. Zeeb 136bfcc09ddSBjoern A. Zeeb static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm) 137bfcc09ddSBjoern A. Zeeb { 138bfcc09ddSBjoern A. Zeeb if (mvm->scan_rx_ant != ANT_NONE) 139bfcc09ddSBjoern A. Zeeb return mvm->scan_rx_ant; 140bfcc09ddSBjoern A. Zeeb return iwl_mvm_get_valid_rx_ant(mvm); 141bfcc09ddSBjoern A. Zeeb } 142bfcc09ddSBjoern A. Zeeb 143bfcc09ddSBjoern A. Zeeb static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) 144bfcc09ddSBjoern A. Zeeb { 145bfcc09ddSBjoern A. Zeeb u16 rx_chain; 146bfcc09ddSBjoern A. Zeeb u8 rx_ant; 147bfcc09ddSBjoern A. Zeeb 148bfcc09ddSBjoern A. Zeeb rx_ant = iwl_mvm_scan_rx_ant(mvm); 149bfcc09ddSBjoern A. Zeeb rx_chain = rx_ant << PHY_RX_CHAIN_VALID_POS; 150bfcc09ddSBjoern A. Zeeb rx_chain |= rx_ant << PHY_RX_CHAIN_FORCE_MIMO_SEL_POS; 151bfcc09ddSBjoern A. Zeeb rx_chain |= rx_ant << PHY_RX_CHAIN_FORCE_SEL_POS; 152bfcc09ddSBjoern A. Zeeb rx_chain |= 0x1 << PHY_RX_CHAIN_DRIVER_FORCE_POS; 153bfcc09ddSBjoern A. Zeeb return cpu_to_le16(rx_chain); 154bfcc09ddSBjoern A. Zeeb } 155bfcc09ddSBjoern A. Zeeb 156bfcc09ddSBjoern A. Zeeb static inline __le32 157bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum nl80211_band band, 158bfcc09ddSBjoern A. Zeeb bool no_cck) 159bfcc09ddSBjoern A. Zeeb { 160bfcc09ddSBjoern A. Zeeb u32 tx_ant; 161bfcc09ddSBjoern A. Zeeb 162bfcc09ddSBjoern A. Zeeb iwl_mvm_toggle_tx_ant(mvm, &mvm->scan_last_antenna_idx); 163bfcc09ddSBjoern A. Zeeb tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS; 164bfcc09ddSBjoern A. Zeeb 165bfcc09ddSBjoern A. Zeeb if (band == NL80211_BAND_2GHZ && !no_cck) 166bfcc09ddSBjoern A. Zeeb return cpu_to_le32(IWL_RATE_1M_PLCP | RATE_MCS_CCK_MSK_V1 | 167bfcc09ddSBjoern A. Zeeb tx_ant); 168bfcc09ddSBjoern A. Zeeb else 169bfcc09ddSBjoern A. Zeeb return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant); 170bfcc09ddSBjoern A. Zeeb } 171bfcc09ddSBjoern A. Zeeb 172bfcc09ddSBjoern A. Zeeb static enum iwl_mvm_traffic_load iwl_mvm_get_traffic_load(struct iwl_mvm *mvm) 173bfcc09ddSBjoern A. Zeeb { 174bfcc09ddSBjoern A. Zeeb return mvm->tcm.result.global_load; 175bfcc09ddSBjoern A. Zeeb } 176bfcc09ddSBjoern A. Zeeb 177bfcc09ddSBjoern A. Zeeb static enum iwl_mvm_traffic_load 178bfcc09ddSBjoern A. Zeeb iwl_mvm_get_traffic_load_band(struct iwl_mvm *mvm, enum nl80211_band band) 179bfcc09ddSBjoern A. Zeeb { 180bfcc09ddSBjoern A. Zeeb return mvm->tcm.result.band_load[band]; 181bfcc09ddSBjoern A. Zeeb } 182bfcc09ddSBjoern A. Zeeb 183d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_iter_data { 184d9836fb4SBjoern A. Zeeb u32 global_cnt; 185bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *current_vif; 186bfcc09ddSBjoern A. Zeeb bool is_dcm_with_p2p_go; 187bfcc09ddSBjoern A. Zeeb }; 188bfcc09ddSBjoern A. Zeeb 189d9836fb4SBjoern A. Zeeb static void iwl_mvm_scan_iterator(void *_data, u8 *mac, 190bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 191bfcc09ddSBjoern A. Zeeb { 192d9836fb4SBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 193d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_iter_data *data = _data; 194d9836fb4SBjoern A. Zeeb struct iwl_mvm_vif *curr_mvmvif; 195bfcc09ddSBjoern A. Zeeb 196d9836fb4SBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_P2P_DEVICE && mvmvif->phy_ctxt && 197d9836fb4SBjoern A. Zeeb mvmvif->phy_ctxt->id < NUM_PHY_CTX) 198d9836fb4SBjoern A. Zeeb data->global_cnt += 1; 199d9836fb4SBjoern A. Zeeb 200d9836fb4SBjoern A. Zeeb if (!data->current_vif || vif == data->current_vif) 201bfcc09ddSBjoern A. Zeeb return; 202bfcc09ddSBjoern A. Zeeb 203d9836fb4SBjoern A. Zeeb curr_mvmvif = iwl_mvm_vif_from_mac80211(data->current_vif); 204d9836fb4SBjoern A. Zeeb 205bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP && vif->p2p && 206d9836fb4SBjoern A. Zeeb mvmvif->phy_ctxt && curr_mvmvif->phy_ctxt && 207d9836fb4SBjoern A. Zeeb mvmvif->phy_ctxt->id != curr_mvmvif->phy_ctxt->id) 208bfcc09ddSBjoern A. Zeeb data->is_dcm_with_p2p_go = true; 209bfcc09ddSBjoern A. Zeeb } 210bfcc09ddSBjoern A. Zeeb 211bfcc09ddSBjoern A. Zeeb static enum 212bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_type _iwl_mvm_get_scan_type(struct iwl_mvm *mvm, 213bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 214bfcc09ddSBjoern A. Zeeb enum iwl_mvm_traffic_load load, 215bfcc09ddSBjoern A. Zeeb bool low_latency) 216bfcc09ddSBjoern A. Zeeb { 217d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_iter_data data = { 218d9836fb4SBjoern A. Zeeb .current_vif = vif, 219d9836fb4SBjoern A. Zeeb .is_dcm_with_p2p_go = false, 220d9836fb4SBjoern A. Zeeb .global_cnt = 0, 221d9836fb4SBjoern A. Zeeb }; 222bfcc09ddSBjoern A. Zeeb 223bfcc09ddSBjoern A. Zeeb ieee80211_iterate_active_interfaces_atomic(mvm->hw, 224bfcc09ddSBjoern A. Zeeb IEEE80211_IFACE_ITER_NORMAL, 225d9836fb4SBjoern A. Zeeb iwl_mvm_scan_iterator, 226d9836fb4SBjoern A. Zeeb &data); 227d9836fb4SBjoern A. Zeeb 228d9836fb4SBjoern A. Zeeb if (!data.global_cnt) 229bfcc09ddSBjoern A. Zeeb return IWL_SCAN_TYPE_UNASSOC; 230bfcc09ddSBjoern A. Zeeb 231bfcc09ddSBjoern A. Zeeb if (fw_has_api(&mvm->fw->ucode_capa, 232bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) { 233bfcc09ddSBjoern A. Zeeb if ((load == IWL_MVM_TRAFFIC_HIGH || low_latency) && 234bfcc09ddSBjoern A. Zeeb (!vif || vif->type != NL80211_IFTYPE_P2P_DEVICE)) 235bfcc09ddSBjoern A. Zeeb return IWL_SCAN_TYPE_FRAGMENTED; 236bfcc09ddSBjoern A. Zeeb 237d9836fb4SBjoern A. Zeeb /* 238d9836fb4SBjoern A. Zeeb * in case of DCM with GO where BSS DTIM interval < 220msec 239bfcc09ddSBjoern A. Zeeb * set all scan requests as fast-balance scan 240d9836fb4SBjoern A. Zeeb */ 241bfcc09ddSBjoern A. Zeeb if (vif && vif->type == NL80211_IFTYPE_STATION && 242d9836fb4SBjoern A. Zeeb vif->bss_conf.dtim_period < 220 && 243d9836fb4SBjoern A. Zeeb data.is_dcm_with_p2p_go) 244bfcc09ddSBjoern A. Zeeb return IWL_SCAN_TYPE_FAST_BALANCE; 245bfcc09ddSBjoern A. Zeeb } 246bfcc09ddSBjoern A. Zeeb 247bfcc09ddSBjoern A. Zeeb if (load >= IWL_MVM_TRAFFIC_MEDIUM || low_latency) 248bfcc09ddSBjoern A. Zeeb return IWL_SCAN_TYPE_MILD; 249bfcc09ddSBjoern A. Zeeb 250bfcc09ddSBjoern A. Zeeb return IWL_SCAN_TYPE_WILD; 251bfcc09ddSBjoern A. Zeeb } 252bfcc09ddSBjoern A. Zeeb 253bfcc09ddSBjoern A. Zeeb static enum 254bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_type iwl_mvm_get_scan_type(struct iwl_mvm *mvm, 255bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 256bfcc09ddSBjoern A. Zeeb { 257bfcc09ddSBjoern A. Zeeb enum iwl_mvm_traffic_load load; 258bfcc09ddSBjoern A. Zeeb bool low_latency; 259bfcc09ddSBjoern A. Zeeb 260bfcc09ddSBjoern A. Zeeb load = iwl_mvm_get_traffic_load(mvm); 261bfcc09ddSBjoern A. Zeeb low_latency = iwl_mvm_low_latency(mvm); 262bfcc09ddSBjoern A. Zeeb 263bfcc09ddSBjoern A. Zeeb return _iwl_mvm_get_scan_type(mvm, vif, load, low_latency); 264bfcc09ddSBjoern A. Zeeb } 265bfcc09ddSBjoern A. Zeeb 266bfcc09ddSBjoern A. Zeeb static enum 267bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_type iwl_mvm_get_scan_type_band(struct iwl_mvm *mvm, 268bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 269bfcc09ddSBjoern A. Zeeb enum nl80211_band band) 270bfcc09ddSBjoern A. Zeeb { 271bfcc09ddSBjoern A. Zeeb enum iwl_mvm_traffic_load load; 272bfcc09ddSBjoern A. Zeeb bool low_latency; 273bfcc09ddSBjoern A. Zeeb 274bfcc09ddSBjoern A. Zeeb load = iwl_mvm_get_traffic_load_band(mvm, band); 275bfcc09ddSBjoern A. Zeeb low_latency = iwl_mvm_low_latency_band(mvm, band); 276bfcc09ddSBjoern A. Zeeb 277bfcc09ddSBjoern A. Zeeb return _iwl_mvm_get_scan_type(mvm, vif, load, low_latency); 278bfcc09ddSBjoern A. Zeeb } 279bfcc09ddSBjoern A. Zeeb 280bfcc09ddSBjoern A. Zeeb static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm) 281bfcc09ddSBjoern A. Zeeb { 282bfcc09ddSBjoern A. Zeeb /* require rrm scan whenever the fw supports it */ 283bfcc09ddSBjoern A. Zeeb return fw_has_capa(&mvm->fw->ucode_capa, 284bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT); 285bfcc09ddSBjoern A. Zeeb } 286bfcc09ddSBjoern A. Zeeb 287bfcc09ddSBjoern A. Zeeb static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm) 288bfcc09ddSBjoern A. Zeeb { 289bfcc09ddSBjoern A. Zeeb int max_probe_len; 290bfcc09ddSBjoern A. Zeeb 291bfcc09ddSBjoern A. Zeeb max_probe_len = SCAN_OFFLOAD_PROBE_REQ_SIZE; 292bfcc09ddSBjoern A. Zeeb 293bfcc09ddSBjoern A. Zeeb /* we create the 802.11 header and SSID element */ 294bfcc09ddSBjoern A. Zeeb max_probe_len -= 24 + 2; 295bfcc09ddSBjoern A. Zeeb 296bfcc09ddSBjoern A. Zeeb /* DS parameter set element is added on 2.4GHZ band if required */ 297bfcc09ddSBjoern A. Zeeb if (iwl_mvm_rrm_scan_needed(mvm)) 298bfcc09ddSBjoern A. Zeeb max_probe_len -= 3; 299bfcc09ddSBjoern A. Zeeb 300bfcc09ddSBjoern A. Zeeb return max_probe_len; 301bfcc09ddSBjoern A. Zeeb } 302bfcc09ddSBjoern A. Zeeb 303bfcc09ddSBjoern A. Zeeb int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm) 304bfcc09ddSBjoern A. Zeeb { 305bfcc09ddSBjoern A. Zeeb int max_ie_len = iwl_mvm_max_scan_ie_fw_cmd_room(mvm); 306bfcc09ddSBjoern A. Zeeb 307bfcc09ddSBjoern A. Zeeb /* TODO: [BUG] This function should return the maximum allowed size of 308bfcc09ddSBjoern A. Zeeb * scan IEs, however the LMAC scan api contains both 2GHZ and 5GHZ IEs 309bfcc09ddSBjoern A. Zeeb * in the same command. So the correct implementation of this function 310bfcc09ddSBjoern A. Zeeb * is just iwl_mvm_max_scan_ie_fw_cmd_room() / 2. Currently the scan 311bfcc09ddSBjoern A. Zeeb * command has only 512 bytes and it would leave us with about 240 312bfcc09ddSBjoern A. Zeeb * bytes for scan IEs, which is clearly not enough. So meanwhile 313bfcc09ddSBjoern A. Zeeb * we will report an incorrect value. This may result in a failure to 314bfcc09ddSBjoern A. Zeeb * issue a scan in unified_scan_lmac and unified_sched_scan_lmac 315bfcc09ddSBjoern A. Zeeb * functions with -ENOBUFS, if a large enough probe will be provided. 316bfcc09ddSBjoern A. Zeeb */ 317bfcc09ddSBjoern A. Zeeb return max_ie_len; 318bfcc09ddSBjoern A. Zeeb } 319bfcc09ddSBjoern A. Zeeb 320bfcc09ddSBjoern A. Zeeb void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 321bfcc09ddSBjoern A. Zeeb struct iwl_rx_cmd_buffer *rxb) 322bfcc09ddSBjoern A. Zeeb { 323bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt = rxb_addr(rxb); 324bfcc09ddSBjoern A. Zeeb struct iwl_lmac_scan_complete_notif *notif = (void *)pkt->data; 325bfcc09ddSBjoern A. Zeeb 326bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 327bfcc09ddSBjoern A. Zeeb "Scan offload iteration complete: status=0x%x scanned channels=%d\n", 328bfcc09ddSBjoern A. Zeeb notif->status, notif->scanned_channels); 329bfcc09ddSBjoern A. Zeeb 330bfcc09ddSBjoern A. Zeeb if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_FOUND) { 331bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Pass all scheduled scan results found\n"); 332bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_results(mvm->hw); 333bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED; 334bfcc09ddSBjoern A. Zeeb } 335bfcc09ddSBjoern A. Zeeb } 336bfcc09ddSBjoern A. Zeeb 337bfcc09ddSBjoern A. Zeeb void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 338bfcc09ddSBjoern A. Zeeb struct iwl_rx_cmd_buffer *rxb) 339bfcc09ddSBjoern A. Zeeb { 340bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Scheduled scan results\n"); 341bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_results(mvm->hw); 342bfcc09ddSBjoern A. Zeeb } 343bfcc09ddSBjoern A. Zeeb 344bfcc09ddSBjoern A. Zeeb static const char *iwl_mvm_ebs_status_str(enum iwl_scan_ebs_status status) 345bfcc09ddSBjoern A. Zeeb { 346bfcc09ddSBjoern A. Zeeb switch (status) { 347bfcc09ddSBjoern A. Zeeb case IWL_SCAN_EBS_SUCCESS: 348bfcc09ddSBjoern A. Zeeb return "successful"; 349bfcc09ddSBjoern A. Zeeb case IWL_SCAN_EBS_INACTIVE: 350bfcc09ddSBjoern A. Zeeb return "inactive"; 351bfcc09ddSBjoern A. Zeeb case IWL_SCAN_EBS_FAILED: 352bfcc09ddSBjoern A. Zeeb case IWL_SCAN_EBS_CHAN_NOT_FOUND: 353bfcc09ddSBjoern A. Zeeb default: 354bfcc09ddSBjoern A. Zeeb return "failed"; 355bfcc09ddSBjoern A. Zeeb } 356bfcc09ddSBjoern A. Zeeb } 357bfcc09ddSBjoern A. Zeeb 358bfcc09ddSBjoern A. Zeeb void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 359bfcc09ddSBjoern A. Zeeb struct iwl_rx_cmd_buffer *rxb) 360bfcc09ddSBjoern A. Zeeb { 361bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt = rxb_addr(rxb); 362bfcc09ddSBjoern A. Zeeb struct iwl_periodic_scan_complete *scan_notif = (void *)pkt->data; 363bfcc09ddSBjoern A. Zeeb bool aborted = (scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED); 364bfcc09ddSBjoern A. Zeeb 365bfcc09ddSBjoern A. Zeeb /* If this happens, the firmware has mistakenly sent an LMAC 366bfcc09ddSBjoern A. Zeeb * notification during UMAC scans -- warn and ignore it. 367bfcc09ddSBjoern A. Zeeb */ 368bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(fw_has_capa(&mvm->fw->ucode_capa, 369bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_UMAC_SCAN))) 370bfcc09ddSBjoern A. Zeeb return; 371bfcc09ddSBjoern A. Zeeb 372bfcc09ddSBjoern A. Zeeb /* scan status must be locked for proper checking */ 373bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 374bfcc09ddSBjoern A. Zeeb 375bfcc09ddSBjoern A. Zeeb /* We first check if we were stopping a scan, in which case we 376bfcc09ddSBjoern A. Zeeb * just clear the stopping flag. Then we check if it was a 377bfcc09ddSBjoern A. Zeeb * firmware initiated stop, in which case we need to inform 378bfcc09ddSBjoern A. Zeeb * mac80211. 379bfcc09ddSBjoern A. Zeeb * Note that we can have a stopping and a running scan 380bfcc09ddSBjoern A. Zeeb * simultaneously, but we can't have two different types of 381bfcc09ddSBjoern A. Zeeb * scans stopping or running at the same time (since LMAC 382bfcc09ddSBjoern A. Zeeb * doesn't support it). 383bfcc09ddSBjoern A. Zeeb */ 384bfcc09ddSBjoern A. Zeeb 385bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_STOPPING_SCHED) { 386bfcc09ddSBjoern A. Zeeb WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_STOPPING_REGULAR); 387bfcc09ddSBjoern A. Zeeb 388bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n", 389bfcc09ddSBjoern A. Zeeb aborted ? "aborted" : "completed", 390bfcc09ddSBjoern A. Zeeb iwl_mvm_ebs_status_str(scan_notif->ebs_status)); 391bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 392bfcc09ddSBjoern A. Zeeb "Last line %d, Last iteration %d, Time after last iteration %d\n", 393bfcc09ddSBjoern A. Zeeb scan_notif->last_schedule_line, 394bfcc09ddSBjoern A. Zeeb scan_notif->last_schedule_iteration, 395bfcc09ddSBjoern A. Zeeb __le32_to_cpu(scan_notif->time_after_last_iter)); 396bfcc09ddSBjoern A. Zeeb 397bfcc09ddSBjoern A. Zeeb mvm->scan_status &= ~IWL_MVM_SCAN_STOPPING_SCHED; 398bfcc09ddSBjoern A. Zeeb } else if (mvm->scan_status & IWL_MVM_SCAN_STOPPING_REGULAR) { 399bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s\n", 400bfcc09ddSBjoern A. Zeeb aborted ? "aborted" : "completed", 401bfcc09ddSBjoern A. Zeeb iwl_mvm_ebs_status_str(scan_notif->ebs_status)); 402bfcc09ddSBjoern A. Zeeb 403bfcc09ddSBjoern A. Zeeb mvm->scan_status &= ~IWL_MVM_SCAN_STOPPING_REGULAR; 404bfcc09ddSBjoern A. Zeeb } else if (mvm->scan_status & IWL_MVM_SCAN_SCHED) { 405bfcc09ddSBjoern A. Zeeb WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_REGULAR); 406bfcc09ddSBjoern A. Zeeb 407bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n", 408bfcc09ddSBjoern A. Zeeb aborted ? "aborted" : "completed", 409bfcc09ddSBjoern A. Zeeb iwl_mvm_ebs_status_str(scan_notif->ebs_status)); 410bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 411bfcc09ddSBjoern A. Zeeb "Last line %d, Last iteration %d, Time after last iteration %d (FW)\n", 412bfcc09ddSBjoern A. Zeeb scan_notif->last_schedule_line, 413bfcc09ddSBjoern A. Zeeb scan_notif->last_schedule_iteration, 414bfcc09ddSBjoern A. Zeeb __le32_to_cpu(scan_notif->time_after_last_iter)); 415bfcc09ddSBjoern A. Zeeb 416bfcc09ddSBjoern A. Zeeb mvm->scan_status &= ~IWL_MVM_SCAN_SCHED; 417bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_stopped(mvm->hw); 418bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 419bfcc09ddSBjoern A. Zeeb } else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { 420bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_info info = { 421bfcc09ddSBjoern A. Zeeb .aborted = aborted, 422bfcc09ddSBjoern A. Zeeb }; 423bfcc09ddSBjoern A. Zeeb 424bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n", 425bfcc09ddSBjoern A. Zeeb aborted ? "aborted" : "completed", 426bfcc09ddSBjoern A. Zeeb iwl_mvm_ebs_status_str(scan_notif->ebs_status)); 427bfcc09ddSBjoern A. Zeeb 428bfcc09ddSBjoern A. Zeeb mvm->scan_status &= ~IWL_MVM_SCAN_REGULAR; 429bfcc09ddSBjoern A. Zeeb ieee80211_scan_completed(mvm->hw, &info); 430bfcc09ddSBjoern A. Zeeb cancel_delayed_work(&mvm->scan_timeout_dwork); 431bfcc09ddSBjoern A. Zeeb iwl_mvm_resume_tcm(mvm); 432bfcc09ddSBjoern A. Zeeb } else { 433bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 434bfcc09ddSBjoern A. Zeeb "got scan complete notification but no scan is running\n"); 435bfcc09ddSBjoern A. Zeeb } 436bfcc09ddSBjoern A. Zeeb 437bfcc09ddSBjoern A. Zeeb mvm->last_ebs_successful = 438bfcc09ddSBjoern A. Zeeb scan_notif->ebs_status == IWL_SCAN_EBS_SUCCESS || 439bfcc09ddSBjoern A. Zeeb scan_notif->ebs_status == IWL_SCAN_EBS_INACTIVE; 440bfcc09ddSBjoern A. Zeeb } 441bfcc09ddSBjoern A. Zeeb 442bfcc09ddSBjoern A. Zeeb static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) 443bfcc09ddSBjoern A. Zeeb { 444bfcc09ddSBjoern A. Zeeb int i; 445bfcc09ddSBjoern A. Zeeb 446bfcc09ddSBjoern A. Zeeb for (i = 0; i < PROBE_OPTION_MAX; i++) { 447bfcc09ddSBjoern A. Zeeb if (!ssid_list[i].len) 448bfcc09ddSBjoern A. Zeeb break; 449bfcc09ddSBjoern A. Zeeb if (ssid_list[i].len == ssid_len && 450ee7077f2SBjoern A. Zeeb #if defined(__linux__) 451bfcc09ddSBjoern A. Zeeb !memcmp(ssid_list->ssid, ssid, ssid_len)) 452ee7077f2SBjoern A. Zeeb #elif defined(__FreeBSD__) 453ee7077f2SBjoern A. Zeeb !memcmp(ssid_list[i].ssid, ssid, ssid_len)) 454ee7077f2SBjoern A. Zeeb #endif 455bfcc09ddSBjoern A. Zeeb return i; 456bfcc09ddSBjoern A. Zeeb } 457bfcc09ddSBjoern A. Zeeb return -1; 458bfcc09ddSBjoern A. Zeeb } 459bfcc09ddSBjoern A. Zeeb 460bfcc09ddSBjoern A. Zeeb /* We insert the SSIDs in an inverted order, because the FW will 461bfcc09ddSBjoern A. Zeeb * invert it back. 462bfcc09ddSBjoern A. Zeeb */ 463bfcc09ddSBjoern A. Zeeb static void iwl_scan_build_ssids(struct iwl_mvm_scan_params *params, 464bfcc09ddSBjoern A. Zeeb struct iwl_ssid_ie *ssids, 465bfcc09ddSBjoern A. Zeeb u32 *ssid_bitmap) 466bfcc09ddSBjoern A. Zeeb { 467bfcc09ddSBjoern A. Zeeb int i, j; 468bfcc09ddSBjoern A. Zeeb int index; 469bfcc09ddSBjoern A. Zeeb u32 tmp_bitmap = 0; 470bfcc09ddSBjoern A. Zeeb 471bfcc09ddSBjoern A. Zeeb /* 472bfcc09ddSBjoern A. Zeeb * copy SSIDs from match list. 473bfcc09ddSBjoern A. Zeeb * iwl_config_sched_scan_profiles() uses the order of these ssids to 474bfcc09ddSBjoern A. Zeeb * config match list. 475bfcc09ddSBjoern A. Zeeb */ 476bfcc09ddSBjoern A. Zeeb for (i = 0, j = params->n_match_sets - 1; 477bfcc09ddSBjoern A. Zeeb j >= 0 && i < PROBE_OPTION_MAX; 478bfcc09ddSBjoern A. Zeeb i++, j--) { 479bfcc09ddSBjoern A. Zeeb /* skip empty SSID matchsets */ 480bfcc09ddSBjoern A. Zeeb if (!params->match_sets[j].ssid.ssid_len) 481bfcc09ddSBjoern A. Zeeb continue; 482bfcc09ddSBjoern A. Zeeb ssids[i].id = WLAN_EID_SSID; 483bfcc09ddSBjoern A. Zeeb ssids[i].len = params->match_sets[j].ssid.ssid_len; 484bfcc09ddSBjoern A. Zeeb memcpy(ssids[i].ssid, params->match_sets[j].ssid.ssid, 485bfcc09ddSBjoern A. Zeeb ssids[i].len); 486bfcc09ddSBjoern A. Zeeb } 487bfcc09ddSBjoern A. Zeeb 488bfcc09ddSBjoern A. Zeeb /* add SSIDs from scan SSID list */ 489bfcc09ddSBjoern A. Zeeb for (j = params->n_ssids - 1; 490bfcc09ddSBjoern A. Zeeb j >= 0 && i < PROBE_OPTION_MAX; 491bfcc09ddSBjoern A. Zeeb i++, j--) { 492bfcc09ddSBjoern A. Zeeb index = iwl_ssid_exist(params->ssids[j].ssid, 493bfcc09ddSBjoern A. Zeeb params->ssids[j].ssid_len, 494bfcc09ddSBjoern A. Zeeb ssids); 495bfcc09ddSBjoern A. Zeeb if (index < 0) { 496bfcc09ddSBjoern A. Zeeb ssids[i].id = WLAN_EID_SSID; 497bfcc09ddSBjoern A. Zeeb ssids[i].len = params->ssids[j].ssid_len; 498bfcc09ddSBjoern A. Zeeb memcpy(ssids[i].ssid, params->ssids[j].ssid, 499bfcc09ddSBjoern A. Zeeb ssids[i].len); 500bfcc09ddSBjoern A. Zeeb tmp_bitmap |= BIT(i); 501bfcc09ddSBjoern A. Zeeb } else { 502bfcc09ddSBjoern A. Zeeb tmp_bitmap |= BIT(index); 503bfcc09ddSBjoern A. Zeeb } 504bfcc09ddSBjoern A. Zeeb } 505bfcc09ddSBjoern A. Zeeb if (ssid_bitmap) 506bfcc09ddSBjoern A. Zeeb *ssid_bitmap = tmp_bitmap; 507bfcc09ddSBjoern A. Zeeb } 508bfcc09ddSBjoern A. Zeeb 509bfcc09ddSBjoern A. Zeeb static int 510bfcc09ddSBjoern A. Zeeb iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, 511bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_request *req) 512bfcc09ddSBjoern A. Zeeb { 513bfcc09ddSBjoern A. Zeeb struct iwl_scan_offload_profile *profile; 514bfcc09ddSBjoern A. Zeeb struct iwl_scan_offload_profile_cfg_v1 *profile_cfg_v1; 515bfcc09ddSBjoern A. Zeeb struct iwl_scan_offload_blocklist *blocklist; 516bfcc09ddSBjoern A. Zeeb struct iwl_scan_offload_profile_cfg_data *data; 517bfcc09ddSBjoern A. Zeeb int max_profiles = iwl_umac_scan_get_max_profiles(mvm->fw); 518bfcc09ddSBjoern A. Zeeb int profile_cfg_size = sizeof(*data) + 519bfcc09ddSBjoern A. Zeeb sizeof(*profile) * max_profiles; 520bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd cmd = { 521bfcc09ddSBjoern A. Zeeb .id = SCAN_OFFLOAD_UPDATE_PROFILES_CMD, 522bfcc09ddSBjoern A. Zeeb .len[1] = profile_cfg_size, 523bfcc09ddSBjoern A. Zeeb .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 524bfcc09ddSBjoern A. Zeeb .dataflags[1] = IWL_HCMD_DFL_NOCOPY, 525bfcc09ddSBjoern A. Zeeb }; 526bfcc09ddSBjoern A. Zeeb int blocklist_len; 527bfcc09ddSBjoern A. Zeeb int i; 528bfcc09ddSBjoern A. Zeeb int ret; 529bfcc09ddSBjoern A. Zeeb 530bfcc09ddSBjoern A. Zeeb if (WARN_ON(req->n_match_sets > max_profiles)) 531bfcc09ddSBjoern A. Zeeb return -EIO; 532bfcc09ddSBjoern A. Zeeb 533bfcc09ddSBjoern A. Zeeb if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SHORT_BL) 534bfcc09ddSBjoern A. Zeeb blocklist_len = IWL_SCAN_SHORT_BLACKLIST_LEN; 535bfcc09ddSBjoern A. Zeeb else 536bfcc09ddSBjoern A. Zeeb blocklist_len = IWL_SCAN_MAX_BLACKLIST_LEN; 537bfcc09ddSBjoern A. Zeeb 538bfcc09ddSBjoern A. Zeeb blocklist = kcalloc(blocklist_len, sizeof(*blocklist), GFP_KERNEL); 539bfcc09ddSBjoern A. Zeeb if (!blocklist) 540bfcc09ddSBjoern A. Zeeb return -ENOMEM; 541bfcc09ddSBjoern A. Zeeb 542bfcc09ddSBjoern A. Zeeb profile_cfg_v1 = kzalloc(profile_cfg_size, GFP_KERNEL); 543bfcc09ddSBjoern A. Zeeb if (!profile_cfg_v1) { 544bfcc09ddSBjoern A. Zeeb ret = -ENOMEM; 545bfcc09ddSBjoern A. Zeeb goto free_blocklist; 546bfcc09ddSBjoern A. Zeeb } 547bfcc09ddSBjoern A. Zeeb 548bfcc09ddSBjoern A. Zeeb cmd.data[0] = blocklist; 549bfcc09ddSBjoern A. Zeeb cmd.len[0] = sizeof(*blocklist) * blocklist_len; 550bfcc09ddSBjoern A. Zeeb cmd.data[1] = profile_cfg_v1; 551bfcc09ddSBjoern A. Zeeb 552bfcc09ddSBjoern A. Zeeb /* if max_profile is MAX_PROFILES_V2, we have the new API */ 553bfcc09ddSBjoern A. Zeeb if (max_profiles == IWL_SCAN_MAX_PROFILES_V2) { 554bfcc09ddSBjoern A. Zeeb struct iwl_scan_offload_profile_cfg *profile_cfg = 555bfcc09ddSBjoern A. Zeeb (struct iwl_scan_offload_profile_cfg *)profile_cfg_v1; 556bfcc09ddSBjoern A. Zeeb 557bfcc09ddSBjoern A. Zeeb data = &profile_cfg->data; 558bfcc09ddSBjoern A. Zeeb } else { 559bfcc09ddSBjoern A. Zeeb data = &profile_cfg_v1->data; 560bfcc09ddSBjoern A. Zeeb } 561bfcc09ddSBjoern A. Zeeb 562bfcc09ddSBjoern A. Zeeb /* No blocklist configuration */ 563bfcc09ddSBjoern A. Zeeb data->num_profiles = req->n_match_sets; 564bfcc09ddSBjoern A. Zeeb data->active_clients = SCAN_CLIENT_SCHED_SCAN; 565bfcc09ddSBjoern A. Zeeb data->pass_match = SCAN_CLIENT_SCHED_SCAN; 566bfcc09ddSBjoern A. Zeeb data->match_notify = SCAN_CLIENT_SCHED_SCAN; 567bfcc09ddSBjoern A. Zeeb 568bfcc09ddSBjoern A. Zeeb if (!req->n_match_sets || !req->match_sets[0].ssid.ssid_len) 569bfcc09ddSBjoern A. Zeeb data->any_beacon_notify = SCAN_CLIENT_SCHED_SCAN; 570bfcc09ddSBjoern A. Zeeb 571bfcc09ddSBjoern A. Zeeb for (i = 0; i < req->n_match_sets; i++) { 572bfcc09ddSBjoern A. Zeeb profile = &profile_cfg_v1->profiles[i]; 573bfcc09ddSBjoern A. Zeeb profile->ssid_index = i; 574bfcc09ddSBjoern A. Zeeb /* Support any cipher and auth algorithm */ 575bfcc09ddSBjoern A. Zeeb profile->unicast_cipher = 0xff; 576d9836fb4SBjoern A. Zeeb profile->auth_alg = IWL_AUTH_ALGO_UNSUPPORTED | 577d9836fb4SBjoern A. Zeeb IWL_AUTH_ALGO_NONE | IWL_AUTH_ALGO_PSK | IWL_AUTH_ALGO_8021X | 578d9836fb4SBjoern A. Zeeb IWL_AUTH_ALGO_SAE | IWL_AUTH_ALGO_8021X_SHA384 | IWL_AUTH_ALGO_OWE; 579bfcc09ddSBjoern A. Zeeb profile->network_type = IWL_NETWORK_TYPE_ANY; 580bfcc09ddSBjoern A. Zeeb profile->band_selection = IWL_SCAN_OFFLOAD_SELECT_ANY; 581bfcc09ddSBjoern A. Zeeb profile->client_bitmap = SCAN_CLIENT_SCHED_SCAN; 582bfcc09ddSBjoern A. Zeeb } 583bfcc09ddSBjoern A. Zeeb 584bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Sending scheduled scan profile config\n"); 585bfcc09ddSBjoern A. Zeeb 586bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd(mvm, &cmd); 587bfcc09ddSBjoern A. Zeeb kfree(profile_cfg_v1); 588bfcc09ddSBjoern A. Zeeb free_blocklist: 589bfcc09ddSBjoern A. Zeeb kfree(blocklist); 590bfcc09ddSBjoern A. Zeeb 591bfcc09ddSBjoern A. Zeeb return ret; 592bfcc09ddSBjoern A. Zeeb } 593bfcc09ddSBjoern A. Zeeb 594bfcc09ddSBjoern A. Zeeb static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm, 595bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_request *req) 596bfcc09ddSBjoern A. Zeeb { 597bfcc09ddSBjoern A. Zeeb if (req->n_match_sets && req->match_sets[0].ssid.ssid_len) { 598bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 599bfcc09ddSBjoern A. Zeeb "Sending scheduled scan with filtering, n_match_sets %d\n", 600bfcc09ddSBjoern A. Zeeb req->n_match_sets); 601bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 602bfcc09ddSBjoern A. Zeeb return false; 603bfcc09ddSBjoern A. Zeeb } 604bfcc09ddSBjoern A. Zeeb 605bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Sending Scheduled scan without filtering\n"); 606bfcc09ddSBjoern A. Zeeb 607bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED; 608bfcc09ddSBjoern A. Zeeb return true; 609bfcc09ddSBjoern A. Zeeb } 610bfcc09ddSBjoern A. Zeeb 611bfcc09ddSBjoern A. Zeeb static int iwl_mvm_lmac_scan_abort(struct iwl_mvm *mvm) 612bfcc09ddSBjoern A. Zeeb { 613bfcc09ddSBjoern A. Zeeb int ret; 614bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd cmd = { 615bfcc09ddSBjoern A. Zeeb .id = SCAN_OFFLOAD_ABORT_CMD, 616bfcc09ddSBjoern A. Zeeb }; 617bfcc09ddSBjoern A. Zeeb u32 status = CAN_ABORT_STATUS; 618bfcc09ddSBjoern A. Zeeb 619bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd_status(mvm, &cmd, &status); 620bfcc09ddSBjoern A. Zeeb if (ret) 621bfcc09ddSBjoern A. Zeeb return ret; 622bfcc09ddSBjoern A. Zeeb 623bfcc09ddSBjoern A. Zeeb if (status != CAN_ABORT_STATUS) { 624bfcc09ddSBjoern A. Zeeb /* 625bfcc09ddSBjoern A. Zeeb * The scan abort will return 1 for success or 626bfcc09ddSBjoern A. Zeeb * 2 for "failure". A failure condition can be 627bfcc09ddSBjoern A. Zeeb * due to simply not being in an active scan which 628bfcc09ddSBjoern A. Zeeb * can occur if we send the scan abort before the 629bfcc09ddSBjoern A. Zeeb * microcode has notified us that a scan is completed. 630bfcc09ddSBjoern A. Zeeb */ 631bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "SCAN OFFLOAD ABORT ret %d.\n", status); 632bfcc09ddSBjoern A. Zeeb ret = -ENOENT; 633bfcc09ddSBjoern A. Zeeb } 634bfcc09ddSBjoern A. Zeeb 635bfcc09ddSBjoern A. Zeeb return ret; 636bfcc09ddSBjoern A. Zeeb } 637bfcc09ddSBjoern A. Zeeb 638bfcc09ddSBjoern A. Zeeb static void iwl_mvm_scan_fill_tx_cmd(struct iwl_mvm *mvm, 639bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_tx_cmd *tx_cmd, 640bfcc09ddSBjoern A. Zeeb bool no_cck) 641bfcc09ddSBjoern A. Zeeb { 642bfcc09ddSBjoern A. Zeeb tx_cmd[0].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | 643bfcc09ddSBjoern A. Zeeb TX_CMD_FLG_BT_DIS); 644bfcc09ddSBjoern A. Zeeb tx_cmd[0].rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, 645bfcc09ddSBjoern A. Zeeb NL80211_BAND_2GHZ, 646bfcc09ddSBjoern A. Zeeb no_cck); 647bfcc09ddSBjoern A. Zeeb 648d9836fb4SBjoern A. Zeeb if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) { 649bfcc09ddSBjoern A. Zeeb tx_cmd[0].sta_id = mvm->aux_sta.sta_id; 650bfcc09ddSBjoern A. Zeeb tx_cmd[1].sta_id = mvm->aux_sta.sta_id; 651bfcc09ddSBjoern A. Zeeb 652bfcc09ddSBjoern A. Zeeb /* 653bfcc09ddSBjoern A. Zeeb * Fw doesn't use this sta anymore, pending deprecation via HOST API 654bfcc09ddSBjoern A. Zeeb * change 655bfcc09ddSBjoern A. Zeeb */ 656bfcc09ddSBjoern A. Zeeb } else { 657bfcc09ddSBjoern A. Zeeb tx_cmd[0].sta_id = 0xff; 658bfcc09ddSBjoern A. Zeeb tx_cmd[1].sta_id = 0xff; 659bfcc09ddSBjoern A. Zeeb } 660bfcc09ddSBjoern A. Zeeb 661bfcc09ddSBjoern A. Zeeb tx_cmd[1].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | 662bfcc09ddSBjoern A. Zeeb TX_CMD_FLG_BT_DIS); 663bfcc09ddSBjoern A. Zeeb 664bfcc09ddSBjoern A. Zeeb tx_cmd[1].rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, 665bfcc09ddSBjoern A. Zeeb NL80211_BAND_5GHZ, 666bfcc09ddSBjoern A. Zeeb no_cck); 667bfcc09ddSBjoern A. Zeeb } 668bfcc09ddSBjoern A. Zeeb 669bfcc09ddSBjoern A. Zeeb static void 670bfcc09ddSBjoern A. Zeeb iwl_mvm_lmac_scan_cfg_channels(struct iwl_mvm *mvm, 671bfcc09ddSBjoern A. Zeeb struct ieee80211_channel **channels, 672bfcc09ddSBjoern A. Zeeb int n_channels, u32 ssid_bitmap, 673bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_lmac *cmd) 674bfcc09ddSBjoern A. Zeeb { 675bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_cfg_lmac *channel_cfg = (void *)&cmd->data; 676bfcc09ddSBjoern A. Zeeb int i; 677bfcc09ddSBjoern A. Zeeb 678bfcc09ddSBjoern A. Zeeb for (i = 0; i < n_channels; i++) { 679bfcc09ddSBjoern A. Zeeb channel_cfg[i].channel_num = 680bfcc09ddSBjoern A. Zeeb cpu_to_le16(channels[i]->hw_value); 681bfcc09ddSBjoern A. Zeeb channel_cfg[i].iter_count = cpu_to_le16(1); 682bfcc09ddSBjoern A. Zeeb channel_cfg[i].iter_interval = 0; 683bfcc09ddSBjoern A. Zeeb channel_cfg[i].flags = 684bfcc09ddSBjoern A. Zeeb cpu_to_le32(IWL_UNIFIED_SCAN_CHANNEL_PARTIAL | 685bfcc09ddSBjoern A. Zeeb ssid_bitmap); 686bfcc09ddSBjoern A. Zeeb } 687bfcc09ddSBjoern A. Zeeb } 688bfcc09ddSBjoern A. Zeeb 689bfcc09ddSBjoern A. Zeeb static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies, 690bfcc09ddSBjoern A. Zeeb size_t len, u8 *const pos) 691bfcc09ddSBjoern A. Zeeb { 692bfcc09ddSBjoern A. Zeeb static const u8 before_ds_params[] = { 693bfcc09ddSBjoern A. Zeeb WLAN_EID_SSID, 694bfcc09ddSBjoern A. Zeeb WLAN_EID_SUPP_RATES, 695bfcc09ddSBjoern A. Zeeb WLAN_EID_REQUEST, 696bfcc09ddSBjoern A. Zeeb WLAN_EID_EXT_SUPP_RATES, 697bfcc09ddSBjoern A. Zeeb }; 698bfcc09ddSBjoern A. Zeeb size_t offs; 699bfcc09ddSBjoern A. Zeeb u8 *newpos = pos; 700bfcc09ddSBjoern A. Zeeb 701bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_rrm_scan_needed(mvm)) { 702bfcc09ddSBjoern A. Zeeb memcpy(newpos, ies, len); 703bfcc09ddSBjoern A. Zeeb return newpos + len; 704bfcc09ddSBjoern A. Zeeb } 705bfcc09ddSBjoern A. Zeeb 706bfcc09ddSBjoern A. Zeeb offs = ieee80211_ie_split(ies, len, 707bfcc09ddSBjoern A. Zeeb before_ds_params, 708bfcc09ddSBjoern A. Zeeb ARRAY_SIZE(before_ds_params), 709bfcc09ddSBjoern A. Zeeb 0); 710bfcc09ddSBjoern A. Zeeb 711bfcc09ddSBjoern A. Zeeb memcpy(newpos, ies, offs); 712bfcc09ddSBjoern A. Zeeb newpos += offs; 713bfcc09ddSBjoern A. Zeeb 714bfcc09ddSBjoern A. Zeeb /* Add a placeholder for DS Parameter Set element */ 715bfcc09ddSBjoern A. Zeeb *newpos++ = WLAN_EID_DS_PARAMS; 716bfcc09ddSBjoern A. Zeeb *newpos++ = 1; 717bfcc09ddSBjoern A. Zeeb *newpos++ = 0; 718bfcc09ddSBjoern A. Zeeb 719bfcc09ddSBjoern A. Zeeb memcpy(newpos, ies + offs, len - offs); 720bfcc09ddSBjoern A. Zeeb newpos += len - offs; 721bfcc09ddSBjoern A. Zeeb 722bfcc09ddSBjoern A. Zeeb return newpos; 723bfcc09ddSBjoern A. Zeeb } 724bfcc09ddSBjoern A. Zeeb 725bfcc09ddSBjoern A. Zeeb #define WFA_TPC_IE_LEN 9 726bfcc09ddSBjoern A. Zeeb 727bfcc09ddSBjoern A. Zeeb static void iwl_mvm_add_tpc_report_ie(u8 *pos) 728bfcc09ddSBjoern A. Zeeb { 729bfcc09ddSBjoern A. Zeeb pos[0] = WLAN_EID_VENDOR_SPECIFIC; 730bfcc09ddSBjoern A. Zeeb pos[1] = WFA_TPC_IE_LEN - 2; 731bfcc09ddSBjoern A. Zeeb pos[2] = (WLAN_OUI_MICROSOFT >> 16) & 0xff; 732bfcc09ddSBjoern A. Zeeb pos[3] = (WLAN_OUI_MICROSOFT >> 8) & 0xff; 733bfcc09ddSBjoern A. Zeeb pos[4] = WLAN_OUI_MICROSOFT & 0xff; 734bfcc09ddSBjoern A. Zeeb pos[5] = WLAN_OUI_TYPE_MICROSOFT_TPC; 735bfcc09ddSBjoern A. Zeeb pos[6] = 0; 736bfcc09ddSBjoern A. Zeeb /* pos[7] - tx power will be inserted by the FW */ 737bfcc09ddSBjoern A. Zeeb pos[7] = 0; 738bfcc09ddSBjoern A. Zeeb pos[8] = 0; 739bfcc09ddSBjoern A. Zeeb } 740bfcc09ddSBjoern A. Zeeb 741bfcc09ddSBjoern A. Zeeb static void 742bfcc09ddSBjoern A. Zeeb iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 743bfcc09ddSBjoern A. Zeeb struct ieee80211_scan_ies *ies, 744bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params) 745bfcc09ddSBjoern A. Zeeb { 746bfcc09ddSBjoern A. Zeeb struct ieee80211_mgmt *frame = (void *)params->preq.buf; 747bfcc09ddSBjoern A. Zeeb u8 *pos, *newpos; 748bfcc09ddSBjoern A. Zeeb const u8 *mac_addr = params->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? 749bfcc09ddSBjoern A. Zeeb params->mac_addr : NULL; 750bfcc09ddSBjoern A. Zeeb 751bfcc09ddSBjoern A. Zeeb /* 752bfcc09ddSBjoern A. Zeeb * Unfortunately, right now the offload scan doesn't support randomising 753bfcc09ddSBjoern A. Zeeb * within the firmware, so until the firmware API is ready we implement 754bfcc09ddSBjoern A. Zeeb * it in the driver. This means that the scan iterations won't really be 755bfcc09ddSBjoern A. Zeeb * random, only when it's restarted, but at least that helps a bit. 756bfcc09ddSBjoern A. Zeeb */ 757bfcc09ddSBjoern A. Zeeb if (mac_addr) 758bfcc09ddSBjoern A. Zeeb get_random_mask_addr(frame->sa, mac_addr, 759bfcc09ddSBjoern A. Zeeb params->mac_addr_mask); 760bfcc09ddSBjoern A. Zeeb else 761bfcc09ddSBjoern A. Zeeb memcpy(frame->sa, vif->addr, ETH_ALEN); 762bfcc09ddSBjoern A. Zeeb 763bfcc09ddSBjoern A. Zeeb frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); 764bfcc09ddSBjoern A. Zeeb eth_broadcast_addr(frame->da); 765bfcc09ddSBjoern A. Zeeb eth_broadcast_addr(frame->bssid); 766bfcc09ddSBjoern A. Zeeb frame->seq_ctrl = 0; 767bfcc09ddSBjoern A. Zeeb 768bfcc09ddSBjoern A. Zeeb pos = frame->u.probe_req.variable; 769bfcc09ddSBjoern A. Zeeb *pos++ = WLAN_EID_SSID; 770bfcc09ddSBjoern A. Zeeb *pos++ = 0; 771bfcc09ddSBjoern A. Zeeb 772bfcc09ddSBjoern A. Zeeb params->preq.mac_header.offset = 0; 773bfcc09ddSBjoern A. Zeeb params->preq.mac_header.len = cpu_to_le16(24 + 2); 774bfcc09ddSBjoern A. Zeeb 775bfcc09ddSBjoern A. Zeeb /* Insert ds parameter set element on 2.4 GHz band */ 776bfcc09ddSBjoern A. Zeeb newpos = iwl_mvm_copy_and_insert_ds_elem(mvm, 777bfcc09ddSBjoern A. Zeeb ies->ies[NL80211_BAND_2GHZ], 778bfcc09ddSBjoern A. Zeeb ies->len[NL80211_BAND_2GHZ], 779bfcc09ddSBjoern A. Zeeb pos); 780bfcc09ddSBjoern A. Zeeb params->preq.band_data[0].offset = cpu_to_le16(pos - params->preq.buf); 781bfcc09ddSBjoern A. Zeeb params->preq.band_data[0].len = cpu_to_le16(newpos - pos); 782bfcc09ddSBjoern A. Zeeb pos = newpos; 783bfcc09ddSBjoern A. Zeeb 784bfcc09ddSBjoern A. Zeeb memcpy(pos, ies->ies[NL80211_BAND_5GHZ], 785bfcc09ddSBjoern A. Zeeb ies->len[NL80211_BAND_5GHZ]); 786bfcc09ddSBjoern A. Zeeb params->preq.band_data[1].offset = cpu_to_le16(pos - params->preq.buf); 787bfcc09ddSBjoern A. Zeeb params->preq.band_data[1].len = 788bfcc09ddSBjoern A. Zeeb cpu_to_le16(ies->len[NL80211_BAND_5GHZ]); 789bfcc09ddSBjoern A. Zeeb pos += ies->len[NL80211_BAND_5GHZ]; 790bfcc09ddSBjoern A. Zeeb 791bfcc09ddSBjoern A. Zeeb memcpy(pos, ies->ies[NL80211_BAND_6GHZ], 792bfcc09ddSBjoern A. Zeeb ies->len[NL80211_BAND_6GHZ]); 793bfcc09ddSBjoern A. Zeeb params->preq.band_data[2].offset = cpu_to_le16(pos - params->preq.buf); 794bfcc09ddSBjoern A. Zeeb params->preq.band_data[2].len = 795bfcc09ddSBjoern A. Zeeb cpu_to_le16(ies->len[NL80211_BAND_6GHZ]); 796bfcc09ddSBjoern A. Zeeb pos += ies->len[NL80211_BAND_6GHZ]; 797bfcc09ddSBjoern A. Zeeb memcpy(pos, ies->common_ies, ies->common_ie_len); 798bfcc09ddSBjoern A. Zeeb params->preq.common_data.offset = cpu_to_le16(pos - params->preq.buf); 799bfcc09ddSBjoern A. Zeeb 800bfcc09ddSBjoern A. Zeeb if (iwl_mvm_rrm_scan_needed(mvm) && 801bfcc09ddSBjoern A. Zeeb !fw_has_capa(&mvm->fw->ucode_capa, 802bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) { 803bfcc09ddSBjoern A. Zeeb iwl_mvm_add_tpc_report_ie(pos + ies->common_ie_len); 804bfcc09ddSBjoern A. Zeeb params->preq.common_data.len = cpu_to_le16(ies->common_ie_len + 805bfcc09ddSBjoern A. Zeeb WFA_TPC_IE_LEN); 806bfcc09ddSBjoern A. Zeeb } else { 807bfcc09ddSBjoern A. Zeeb params->preq.common_data.len = cpu_to_le16(ies->common_ie_len); 808bfcc09ddSBjoern A. Zeeb } 809bfcc09ddSBjoern A. Zeeb } 810bfcc09ddSBjoern A. Zeeb 811bfcc09ddSBjoern A. Zeeb static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm, 812bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_lmac *cmd, 813bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params) 814bfcc09ddSBjoern A. Zeeb { 815bfcc09ddSBjoern A. Zeeb cmd->active_dwell = IWL_SCAN_DWELL_ACTIVE; 816bfcc09ddSBjoern A. Zeeb cmd->passive_dwell = IWL_SCAN_DWELL_PASSIVE; 817bfcc09ddSBjoern A. Zeeb cmd->fragmented_dwell = IWL_SCAN_DWELL_FRAGMENTED; 818bfcc09ddSBjoern A. Zeeb cmd->extended_dwell = IWL_SCAN_DWELL_EXTENDED; 819bfcc09ddSBjoern A. Zeeb cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time); 820bfcc09ddSBjoern A. Zeeb cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time); 821bfcc09ddSBjoern A. Zeeb cmd->scan_prio = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); 822bfcc09ddSBjoern A. Zeeb } 823bfcc09ddSBjoern A. Zeeb 824bfcc09ddSBjoern A. Zeeb static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids, 825bfcc09ddSBjoern A. Zeeb struct ieee80211_scan_ies *ies, 826bfcc09ddSBjoern A. Zeeb int n_channels) 827bfcc09ddSBjoern A. Zeeb { 828bfcc09ddSBjoern A. Zeeb return ((n_ssids <= PROBE_OPTION_MAX) && 829bfcc09ddSBjoern A. Zeeb (n_channels <= mvm->fw->ucode_capa.n_scan_channels) & 830bfcc09ddSBjoern A. Zeeb (ies->common_ie_len + 831bfcc09ddSBjoern A. Zeeb ies->len[NL80211_BAND_2GHZ] + 832bfcc09ddSBjoern A. Zeeb ies->len[NL80211_BAND_5GHZ] <= 833bfcc09ddSBjoern A. Zeeb iwl_mvm_max_scan_ie_fw_cmd_room(mvm))); 834bfcc09ddSBjoern A. Zeeb } 835bfcc09ddSBjoern A. Zeeb 836bfcc09ddSBjoern A. Zeeb static inline bool iwl_mvm_scan_use_ebs(struct iwl_mvm *mvm, 837bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 838bfcc09ddSBjoern A. Zeeb { 839bfcc09ddSBjoern A. Zeeb const struct iwl_ucode_capabilities *capa = &mvm->fw->ucode_capa; 840bfcc09ddSBjoern A. Zeeb bool low_latency; 841bfcc09ddSBjoern A. Zeeb 842bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) 843bfcc09ddSBjoern A. Zeeb low_latency = iwl_mvm_low_latency_band(mvm, NL80211_BAND_5GHZ); 844bfcc09ddSBjoern A. Zeeb else 845bfcc09ddSBjoern A. Zeeb low_latency = iwl_mvm_low_latency(mvm); 846bfcc09ddSBjoern A. Zeeb 847bfcc09ddSBjoern A. Zeeb /* We can only use EBS if: 848bfcc09ddSBjoern A. Zeeb * 1. the feature is supported; 849bfcc09ddSBjoern A. Zeeb * 2. the last EBS was successful; 850bfcc09ddSBjoern A. Zeeb * 3. if only single scan, the single scan EBS API is supported; 851bfcc09ddSBjoern A. Zeeb * 4. it's not a p2p find operation. 852bfcc09ddSBjoern A. Zeeb * 5. we are not in low latency mode, 853bfcc09ddSBjoern A. Zeeb * or if fragmented ebs is supported by the FW 854bfcc09ddSBjoern A. Zeeb */ 855bfcc09ddSBjoern A. Zeeb return ((capa->flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT) && 856bfcc09ddSBjoern A. Zeeb mvm->last_ebs_successful && IWL_MVM_ENABLE_EBS && 857bfcc09ddSBjoern A. Zeeb vif->type != NL80211_IFTYPE_P2P_DEVICE && 858bfcc09ddSBjoern A. Zeeb (!low_latency || iwl_mvm_is_frag_ebs_supported(mvm))); 859bfcc09ddSBjoern A. Zeeb } 860bfcc09ddSBjoern A. Zeeb 861bfcc09ddSBjoern A. Zeeb static inline bool iwl_mvm_is_regular_scan(struct iwl_mvm_scan_params *params) 862bfcc09ddSBjoern A. Zeeb { 863bfcc09ddSBjoern A. Zeeb return params->n_scan_plans == 1 && 864bfcc09ddSBjoern A. Zeeb params->scan_plans[0].iterations == 1; 865bfcc09ddSBjoern A. Zeeb } 866bfcc09ddSBjoern A. Zeeb 867bfcc09ddSBjoern A. Zeeb static bool iwl_mvm_is_scan_fragmented(enum iwl_mvm_scan_type type) 868bfcc09ddSBjoern A. Zeeb { 869bfcc09ddSBjoern A. Zeeb return (type == IWL_SCAN_TYPE_FRAGMENTED || 870bfcc09ddSBjoern A. Zeeb type == IWL_SCAN_TYPE_FAST_BALANCE); 871bfcc09ddSBjoern A. Zeeb } 872bfcc09ddSBjoern A. Zeeb 873bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm, 874bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 875bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 876bfcc09ddSBjoern A. Zeeb { 877bfcc09ddSBjoern A. Zeeb int flags = 0; 878bfcc09ddSBjoern A. Zeeb 879bfcc09ddSBjoern A. Zeeb if (params->n_ssids == 0) 880bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE; 881bfcc09ddSBjoern A. Zeeb 882bfcc09ddSBjoern A. Zeeb if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0) 883bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION; 884bfcc09ddSBjoern A. Zeeb 885bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_fragmented(params->type)) 886bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED; 887bfcc09ddSBjoern A. Zeeb 888bfcc09ddSBjoern A. Zeeb if (iwl_mvm_rrm_scan_needed(mvm) && 889bfcc09ddSBjoern A. Zeeb fw_has_capa(&mvm->fw->ucode_capa, 890bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 891bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED; 892bfcc09ddSBjoern A. Zeeb 893bfcc09ddSBjoern A. Zeeb if (params->pass_all) 894bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL; 895bfcc09ddSBjoern A. Zeeb else 896bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_MATCH; 897bfcc09ddSBjoern A. Zeeb 898bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_DEBUGFS 899bfcc09ddSBjoern A. Zeeb if (mvm->scan_iter_notif_enabled) 900bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE; 901bfcc09ddSBjoern A. Zeeb #endif 902bfcc09ddSBjoern A. Zeeb 903bfcc09ddSBjoern A. Zeeb if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED) 904bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE; 905bfcc09ddSBjoern A. Zeeb 906bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_regular_scan(params) && 907bfcc09ddSBjoern A. Zeeb vif->type != NL80211_IFTYPE_P2P_DEVICE && 908bfcc09ddSBjoern A. Zeeb !iwl_mvm_is_scan_fragmented(params->type)) 909bfcc09ddSBjoern A. Zeeb flags |= IWL_MVM_LMAC_SCAN_FLAG_EXTENDED_DWELL; 910bfcc09ddSBjoern A. Zeeb 911bfcc09ddSBjoern A. Zeeb return flags; 912bfcc09ddSBjoern A. Zeeb } 913bfcc09ddSBjoern A. Zeeb 914bfcc09ddSBjoern A. Zeeb static void 915bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_set_legacy_probe_req(struct iwl_scan_probe_req_v1 *p_req, 916bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_req *src_p_req) 917bfcc09ddSBjoern A. Zeeb { 918bfcc09ddSBjoern A. Zeeb int i; 919bfcc09ddSBjoern A. Zeeb 920bfcc09ddSBjoern A. Zeeb p_req->mac_header = src_p_req->mac_header; 921bfcc09ddSBjoern A. Zeeb for (i = 0; i < SCAN_NUM_BAND_PROBE_DATA_V_1; i++) 922bfcc09ddSBjoern A. Zeeb p_req->band_data[i] = src_p_req->band_data[i]; 923bfcc09ddSBjoern A. Zeeb p_req->common_data = src_p_req->common_data; 924bfcc09ddSBjoern A. Zeeb memcpy(p_req->buf, src_p_req->buf, sizeof(p_req->buf)); 925bfcc09ddSBjoern A. Zeeb } 926bfcc09ddSBjoern A. Zeeb 927bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 928bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params) 929bfcc09ddSBjoern A. Zeeb { 930bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_lmac *cmd = mvm->scan_cmd; 931bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_req_v1 *preq = 932bfcc09ddSBjoern A. Zeeb (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * 933bfcc09ddSBjoern A. Zeeb mvm->fw->ucode_capa.n_scan_channels); 934bfcc09ddSBjoern A. Zeeb u32 ssid_bitmap = 0; 935bfcc09ddSBjoern A. Zeeb int i; 936bfcc09ddSBjoern A. Zeeb u8 band; 937bfcc09ddSBjoern A. Zeeb 938bfcc09ddSBjoern A. Zeeb if (WARN_ON(params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) 939bfcc09ddSBjoern A. Zeeb return -EINVAL; 940bfcc09ddSBjoern A. Zeeb 941bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_lmac_dwell(mvm, cmd, params); 942bfcc09ddSBjoern A. Zeeb 943bfcc09ddSBjoern A. Zeeb cmd->rx_chain_select = iwl_mvm_scan_rx_chain(mvm); 944bfcc09ddSBjoern A. Zeeb cmd->iter_num = cpu_to_le32(1); 945bfcc09ddSBjoern A. Zeeb cmd->n_channels = (u8)params->n_channels; 946bfcc09ddSBjoern A. Zeeb 947bfcc09ddSBjoern A. Zeeb cmd->delay = cpu_to_le32(params->delay); 948bfcc09ddSBjoern A. Zeeb 949bfcc09ddSBjoern A. Zeeb cmd->scan_flags = cpu_to_le32(iwl_mvm_scan_lmac_flags(mvm, params, 950bfcc09ddSBjoern A. Zeeb vif)); 951bfcc09ddSBjoern A. Zeeb 952bfcc09ddSBjoern A. Zeeb band = iwl_mvm_phy_band_from_nl80211(params->channels[0]->band); 953bfcc09ddSBjoern A. Zeeb cmd->flags = cpu_to_le32(band); 954bfcc09ddSBjoern A. Zeeb cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | 955bfcc09ddSBjoern A. Zeeb MAC_FILTER_IN_BEACON); 956bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_fill_tx_cmd(mvm, cmd->tx_cmd, params->no_cck); 957bfcc09ddSBjoern A. Zeeb iwl_scan_build_ssids(params, cmd->direct_scan, &ssid_bitmap); 958bfcc09ddSBjoern A. Zeeb 959bfcc09ddSBjoern A. Zeeb /* this API uses bits 1-20 instead of 0-19 */ 960bfcc09ddSBjoern A. Zeeb ssid_bitmap <<= 1; 961bfcc09ddSBjoern A. Zeeb 962bfcc09ddSBjoern A. Zeeb for (i = 0; i < params->n_scan_plans; i++) { 963bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_plan *scan_plan = 964bfcc09ddSBjoern A. Zeeb ¶ms->scan_plans[i]; 965bfcc09ddSBjoern A. Zeeb 966bfcc09ddSBjoern A. Zeeb cmd->schedule[i].delay = 967bfcc09ddSBjoern A. Zeeb cpu_to_le16(scan_plan->interval); 968bfcc09ddSBjoern A. Zeeb cmd->schedule[i].iterations = scan_plan->iterations; 969bfcc09ddSBjoern A. Zeeb cmd->schedule[i].full_scan_mul = 1; 970bfcc09ddSBjoern A. Zeeb } 971bfcc09ddSBjoern A. Zeeb 972bfcc09ddSBjoern A. Zeeb /* 973bfcc09ddSBjoern A. Zeeb * If the number of iterations of the last scan plan is set to 974bfcc09ddSBjoern A. Zeeb * zero, it should run infinitely. However, this is not always the case. 975bfcc09ddSBjoern A. Zeeb * For example, when regular scan is requested the driver sets one scan 976bfcc09ddSBjoern A. Zeeb * plan with one iteration. 977bfcc09ddSBjoern A. Zeeb */ 978bfcc09ddSBjoern A. Zeeb if (!cmd->schedule[i - 1].iterations) 979bfcc09ddSBjoern A. Zeeb cmd->schedule[i - 1].iterations = 0xff; 980bfcc09ddSBjoern A. Zeeb 981bfcc09ddSBjoern A. Zeeb if (iwl_mvm_scan_use_ebs(mvm, vif)) { 982bfcc09ddSBjoern A. Zeeb cmd->channel_opt[0].flags = 983bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | 984bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | 985bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_CACHE_ADD); 986bfcc09ddSBjoern A. Zeeb cmd->channel_opt[0].non_ebs_ratio = 987bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_DENSE_EBS_SCAN_RATIO); 988bfcc09ddSBjoern A. Zeeb cmd->channel_opt[1].flags = 989bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | 990bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | 991bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_CACHE_ADD); 992bfcc09ddSBjoern A. Zeeb cmd->channel_opt[1].non_ebs_ratio = 993bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SPARSE_EBS_SCAN_RATIO); 994bfcc09ddSBjoern A. Zeeb } 995bfcc09ddSBjoern A. Zeeb 996bfcc09ddSBjoern A. Zeeb iwl_mvm_lmac_scan_cfg_channels(mvm, params->channels, 997bfcc09ddSBjoern A. Zeeb params->n_channels, ssid_bitmap, cmd); 998bfcc09ddSBjoern A. Zeeb 999bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_set_legacy_probe_req(preq, ¶ms->preq); 1000bfcc09ddSBjoern A. Zeeb 1001bfcc09ddSBjoern A. Zeeb return 0; 1002bfcc09ddSBjoern A. Zeeb } 1003bfcc09ddSBjoern A. Zeeb 1004bfcc09ddSBjoern A. Zeeb static int rate_to_scan_rate_flag(unsigned int rate) 1005bfcc09ddSBjoern A. Zeeb { 1006bfcc09ddSBjoern A. Zeeb static const int rate_to_scan_rate[IWL_RATE_COUNT] = { 1007bfcc09ddSBjoern A. Zeeb [IWL_RATE_1M_INDEX] = SCAN_CONFIG_RATE_1M, 1008bfcc09ddSBjoern A. Zeeb [IWL_RATE_2M_INDEX] = SCAN_CONFIG_RATE_2M, 1009bfcc09ddSBjoern A. Zeeb [IWL_RATE_5M_INDEX] = SCAN_CONFIG_RATE_5M, 1010bfcc09ddSBjoern A. Zeeb [IWL_RATE_11M_INDEX] = SCAN_CONFIG_RATE_11M, 1011bfcc09ddSBjoern A. Zeeb [IWL_RATE_6M_INDEX] = SCAN_CONFIG_RATE_6M, 1012bfcc09ddSBjoern A. Zeeb [IWL_RATE_9M_INDEX] = SCAN_CONFIG_RATE_9M, 1013bfcc09ddSBjoern A. Zeeb [IWL_RATE_12M_INDEX] = SCAN_CONFIG_RATE_12M, 1014bfcc09ddSBjoern A. Zeeb [IWL_RATE_18M_INDEX] = SCAN_CONFIG_RATE_18M, 1015bfcc09ddSBjoern A. Zeeb [IWL_RATE_24M_INDEX] = SCAN_CONFIG_RATE_24M, 1016bfcc09ddSBjoern A. Zeeb [IWL_RATE_36M_INDEX] = SCAN_CONFIG_RATE_36M, 1017bfcc09ddSBjoern A. Zeeb [IWL_RATE_48M_INDEX] = SCAN_CONFIG_RATE_48M, 1018bfcc09ddSBjoern A. Zeeb [IWL_RATE_54M_INDEX] = SCAN_CONFIG_RATE_54M, 1019bfcc09ddSBjoern A. Zeeb }; 1020bfcc09ddSBjoern A. Zeeb 1021bfcc09ddSBjoern A. Zeeb return rate_to_scan_rate[rate]; 1022bfcc09ddSBjoern A. Zeeb } 1023bfcc09ddSBjoern A. Zeeb 1024bfcc09ddSBjoern A. Zeeb static __le32 iwl_mvm_scan_config_rates(struct iwl_mvm *mvm) 1025bfcc09ddSBjoern A. Zeeb { 1026bfcc09ddSBjoern A. Zeeb struct ieee80211_supported_band *band; 1027bfcc09ddSBjoern A. Zeeb unsigned int rates = 0; 1028bfcc09ddSBjoern A. Zeeb int i; 1029bfcc09ddSBjoern A. Zeeb 1030bfcc09ddSBjoern A. Zeeb band = &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 1031bfcc09ddSBjoern A. Zeeb for (i = 0; i < band->n_bitrates; i++) 1032bfcc09ddSBjoern A. Zeeb rates |= rate_to_scan_rate_flag(band->bitrates[i].hw_value); 1033bfcc09ddSBjoern A. Zeeb band = &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 1034bfcc09ddSBjoern A. Zeeb for (i = 0; i < band->n_bitrates; i++) 1035bfcc09ddSBjoern A. Zeeb rates |= rate_to_scan_rate_flag(band->bitrates[i].hw_value); 1036bfcc09ddSBjoern A. Zeeb 1037bfcc09ddSBjoern A. Zeeb /* Set both basic rates and supported rates */ 1038bfcc09ddSBjoern A. Zeeb rates |= SCAN_CONFIG_SUPPORTED_RATE(rates); 1039bfcc09ddSBjoern A. Zeeb 1040bfcc09ddSBjoern A. Zeeb return cpu_to_le32(rates); 1041bfcc09ddSBjoern A. Zeeb } 1042bfcc09ddSBjoern A. Zeeb 1043bfcc09ddSBjoern A. Zeeb static void iwl_mvm_fill_scan_dwell(struct iwl_mvm *mvm, 1044bfcc09ddSBjoern A. Zeeb struct iwl_scan_dwell *dwell) 1045bfcc09ddSBjoern A. Zeeb { 1046bfcc09ddSBjoern A. Zeeb dwell->active = IWL_SCAN_DWELL_ACTIVE; 1047bfcc09ddSBjoern A. Zeeb dwell->passive = IWL_SCAN_DWELL_PASSIVE; 1048bfcc09ddSBjoern A. Zeeb dwell->fragmented = IWL_SCAN_DWELL_FRAGMENTED; 1049bfcc09ddSBjoern A. Zeeb dwell->extended = IWL_SCAN_DWELL_EXTENDED; 1050bfcc09ddSBjoern A. Zeeb } 1051bfcc09ddSBjoern A. Zeeb 1052bfcc09ddSBjoern A. Zeeb static void iwl_mvm_fill_channels(struct iwl_mvm *mvm, u8 *channels, 1053bfcc09ddSBjoern A. Zeeb u32 max_channels) 1054bfcc09ddSBjoern A. Zeeb { 1055bfcc09ddSBjoern A. Zeeb struct ieee80211_supported_band *band; 1056bfcc09ddSBjoern A. Zeeb int i, j = 0; 1057bfcc09ddSBjoern A. Zeeb 1058bfcc09ddSBjoern A. Zeeb band = &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 1059bfcc09ddSBjoern A. Zeeb for (i = 0; i < band->n_channels && j < max_channels; i++, j++) 1060bfcc09ddSBjoern A. Zeeb channels[j] = band->channels[i].hw_value; 1061bfcc09ddSBjoern A. Zeeb band = &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 1062bfcc09ddSBjoern A. Zeeb for (i = 0; i < band->n_channels && j < max_channels; i++, j++) 1063bfcc09ddSBjoern A. Zeeb channels[j] = band->channels[i].hw_value; 1064bfcc09ddSBjoern A. Zeeb } 1065bfcc09ddSBjoern A. Zeeb 1066bfcc09ddSBjoern A. Zeeb static void iwl_mvm_fill_scan_config_v1(struct iwl_mvm *mvm, void *config, 1067bfcc09ddSBjoern A. Zeeb u32 flags, u8 channel_flags, 1068bfcc09ddSBjoern A. Zeeb u32 max_channels) 1069bfcc09ddSBjoern A. Zeeb { 1070bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type type = iwl_mvm_get_scan_type(mvm, NULL); 1071bfcc09ddSBjoern A. Zeeb struct iwl_scan_config_v1 *cfg = config; 1072bfcc09ddSBjoern A. Zeeb 1073bfcc09ddSBjoern A. Zeeb cfg->flags = cpu_to_le32(flags); 1074bfcc09ddSBjoern A. Zeeb cfg->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); 1075bfcc09ddSBjoern A. Zeeb cfg->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm)); 1076bfcc09ddSBjoern A. Zeeb cfg->legacy_rates = iwl_mvm_scan_config_rates(mvm); 1077bfcc09ddSBjoern A. Zeeb cfg->out_of_channel_time = cpu_to_le32(scan_timing[type].max_out_time); 1078bfcc09ddSBjoern A. Zeeb cfg->suspend_time = cpu_to_le32(scan_timing[type].suspend_time); 1079bfcc09ddSBjoern A. Zeeb 1080bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_dwell(mvm, &cfg->dwell); 1081bfcc09ddSBjoern A. Zeeb 1082bfcc09ddSBjoern A. Zeeb memcpy(&cfg->mac_addr, &mvm->addresses[0].addr, ETH_ALEN); 1083bfcc09ddSBjoern A. Zeeb 1084bfcc09ddSBjoern A. Zeeb /* This function should not be called when using ADD_STA ver >=12 */ 1085d9836fb4SBjoern A. Zeeb WARN_ON_ONCE(iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12); 1086bfcc09ddSBjoern A. Zeeb 1087bfcc09ddSBjoern A. Zeeb cfg->bcast_sta_id = mvm->aux_sta.sta_id; 1088bfcc09ddSBjoern A. Zeeb cfg->channel_flags = channel_flags; 1089bfcc09ddSBjoern A. Zeeb 1090bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_channels(mvm, cfg->channel_array, max_channels); 1091bfcc09ddSBjoern A. Zeeb } 1092bfcc09ddSBjoern A. Zeeb 1093bfcc09ddSBjoern A. Zeeb static void iwl_mvm_fill_scan_config_v2(struct iwl_mvm *mvm, void *config, 1094bfcc09ddSBjoern A. Zeeb u32 flags, u8 channel_flags, 1095bfcc09ddSBjoern A. Zeeb u32 max_channels) 1096bfcc09ddSBjoern A. Zeeb { 1097bfcc09ddSBjoern A. Zeeb struct iwl_scan_config_v2 *cfg = config; 1098bfcc09ddSBjoern A. Zeeb 1099bfcc09ddSBjoern A. Zeeb cfg->flags = cpu_to_le32(flags); 1100bfcc09ddSBjoern A. Zeeb cfg->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); 1101bfcc09ddSBjoern A. Zeeb cfg->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm)); 1102bfcc09ddSBjoern A. Zeeb cfg->legacy_rates = iwl_mvm_scan_config_rates(mvm); 1103bfcc09ddSBjoern A. Zeeb 1104bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 1105bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type lb_type, hb_type; 1106bfcc09ddSBjoern A. Zeeb 1107bfcc09ddSBjoern A. Zeeb lb_type = iwl_mvm_get_scan_type_band(mvm, NULL, 1108bfcc09ddSBjoern A. Zeeb NL80211_BAND_2GHZ); 1109bfcc09ddSBjoern A. Zeeb hb_type = iwl_mvm_get_scan_type_band(mvm, NULL, 1110bfcc09ddSBjoern A. Zeeb NL80211_BAND_5GHZ); 1111bfcc09ddSBjoern A. Zeeb 1112bfcc09ddSBjoern A. Zeeb cfg->out_of_channel_time[SCAN_LB_LMAC_IDX] = 1113bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_timing[lb_type].max_out_time); 1114bfcc09ddSBjoern A. Zeeb cfg->suspend_time[SCAN_LB_LMAC_IDX] = 1115bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_timing[lb_type].suspend_time); 1116bfcc09ddSBjoern A. Zeeb 1117bfcc09ddSBjoern A. Zeeb cfg->out_of_channel_time[SCAN_HB_LMAC_IDX] = 1118bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_timing[hb_type].max_out_time); 1119bfcc09ddSBjoern A. Zeeb cfg->suspend_time[SCAN_HB_LMAC_IDX] = 1120bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_timing[hb_type].suspend_time); 1121bfcc09ddSBjoern A. Zeeb } else { 1122bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type type = 1123bfcc09ddSBjoern A. Zeeb iwl_mvm_get_scan_type(mvm, NULL); 1124bfcc09ddSBjoern A. Zeeb 1125bfcc09ddSBjoern A. Zeeb cfg->out_of_channel_time[SCAN_LB_LMAC_IDX] = 1126bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_timing[type].max_out_time); 1127bfcc09ddSBjoern A. Zeeb cfg->suspend_time[SCAN_LB_LMAC_IDX] = 1128bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_timing[type].suspend_time); 1129bfcc09ddSBjoern A. Zeeb } 1130bfcc09ddSBjoern A. Zeeb 1131bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_dwell(mvm, &cfg->dwell); 1132bfcc09ddSBjoern A. Zeeb 1133bfcc09ddSBjoern A. Zeeb memcpy(&cfg->mac_addr, &mvm->addresses[0].addr, ETH_ALEN); 1134bfcc09ddSBjoern A. Zeeb 1135bfcc09ddSBjoern A. Zeeb /* This function should not be called when using ADD_STA ver >=12 */ 1136d9836fb4SBjoern A. Zeeb WARN_ON_ONCE(iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12); 1137bfcc09ddSBjoern A. Zeeb 1138bfcc09ddSBjoern A. Zeeb cfg->bcast_sta_id = mvm->aux_sta.sta_id; 1139bfcc09ddSBjoern A. Zeeb cfg->channel_flags = channel_flags; 1140bfcc09ddSBjoern A. Zeeb 1141bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_channels(mvm, cfg->channel_array, max_channels); 1142bfcc09ddSBjoern A. Zeeb } 1143bfcc09ddSBjoern A. Zeeb 1144bfcc09ddSBjoern A. Zeeb static int iwl_mvm_legacy_config_scan(struct iwl_mvm *mvm) 1145bfcc09ddSBjoern A. Zeeb { 1146bfcc09ddSBjoern A. Zeeb void *cfg; 1147bfcc09ddSBjoern A. Zeeb int ret, cmd_size; 1148bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd cmd = { 1149d9836fb4SBjoern A. Zeeb .id = WIDE_ID(IWL_ALWAYS_LONG_GROUP, SCAN_CFG_CMD), 1150bfcc09ddSBjoern A. Zeeb }; 1151bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type type; 1152bfcc09ddSBjoern A. Zeeb enum iwl_mvm_scan_type hb_type = IWL_SCAN_TYPE_NOT_SET; 1153bfcc09ddSBjoern A. Zeeb int num_channels = 1154bfcc09ddSBjoern A. Zeeb mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels + 1155bfcc09ddSBjoern A. Zeeb mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels; 1156bfcc09ddSBjoern A. Zeeb u32 flags; 1157bfcc09ddSBjoern A. Zeeb u8 channel_flags; 1158bfcc09ddSBjoern A. Zeeb 1159bfcc09ddSBjoern A. Zeeb if (WARN_ON(num_channels > mvm->fw->ucode_capa.n_scan_channels)) 1160bfcc09ddSBjoern A. Zeeb num_channels = mvm->fw->ucode_capa.n_scan_channels; 1161bfcc09ddSBjoern A. Zeeb 1162bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 1163bfcc09ddSBjoern A. Zeeb type = iwl_mvm_get_scan_type_band(mvm, NULL, 1164bfcc09ddSBjoern A. Zeeb NL80211_BAND_2GHZ); 1165bfcc09ddSBjoern A. Zeeb hb_type = iwl_mvm_get_scan_type_band(mvm, NULL, 1166bfcc09ddSBjoern A. Zeeb NL80211_BAND_5GHZ); 1167bfcc09ddSBjoern A. Zeeb if (type == mvm->scan_type && hb_type == mvm->hb_scan_type) 1168bfcc09ddSBjoern A. Zeeb return 0; 1169bfcc09ddSBjoern A. Zeeb } else { 1170bfcc09ddSBjoern A. Zeeb type = iwl_mvm_get_scan_type(mvm, NULL); 1171bfcc09ddSBjoern A. Zeeb if (type == mvm->scan_type) 1172bfcc09ddSBjoern A. Zeeb return 0; 1173bfcc09ddSBjoern A. Zeeb } 1174bfcc09ddSBjoern A. Zeeb 1175bfcc09ddSBjoern A. Zeeb if (iwl_mvm_cdb_scan_api(mvm)) 1176bfcc09ddSBjoern A. Zeeb cmd_size = sizeof(struct iwl_scan_config_v2); 1177bfcc09ddSBjoern A. Zeeb else 1178bfcc09ddSBjoern A. Zeeb cmd_size = sizeof(struct iwl_scan_config_v1); 1179bfcc09ddSBjoern A. Zeeb cmd_size += mvm->fw->ucode_capa.n_scan_channels; 1180bfcc09ddSBjoern A. Zeeb 1181bfcc09ddSBjoern A. Zeeb cfg = kzalloc(cmd_size, GFP_KERNEL); 1182bfcc09ddSBjoern A. Zeeb if (!cfg) 1183bfcc09ddSBjoern A. Zeeb return -ENOMEM; 1184bfcc09ddSBjoern A. Zeeb 1185bfcc09ddSBjoern A. Zeeb flags = SCAN_CONFIG_FLAG_ACTIVATE | 1186bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS | 1187bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_TX_CHAINS | 1188bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_RX_CHAINS | 1189bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_AUX_STA_ID | 1190bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_ALL_TIMES | 1191bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_LEGACY_RATES | 1192bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_MAC_ADDR | 1193bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS | 1194bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_N_CHANNELS(num_channels) | 1195bfcc09ddSBjoern A. Zeeb (iwl_mvm_is_scan_fragmented(type) ? 1196bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_FRAGMENTED : 1197bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_CLEAR_FRAGMENTED); 1198bfcc09ddSBjoern A. Zeeb 1199bfcc09ddSBjoern A. Zeeb channel_flags = IWL_CHANNEL_FLAG_EBS | 1200bfcc09ddSBjoern A. Zeeb IWL_CHANNEL_FLAG_ACCURATE_EBS | 1201bfcc09ddSBjoern A. Zeeb IWL_CHANNEL_FLAG_EBS_ADD | 1202bfcc09ddSBjoern A. Zeeb IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE; 1203bfcc09ddSBjoern A. Zeeb 1204bfcc09ddSBjoern A. Zeeb /* 1205bfcc09ddSBjoern A. Zeeb * Check for fragmented scan on LMAC2 - high band. 1206bfcc09ddSBjoern A. Zeeb * LMAC1 - low band is checked above. 1207bfcc09ddSBjoern A. Zeeb */ 1208bfcc09ddSBjoern A. Zeeb if (iwl_mvm_cdb_scan_api(mvm)) { 1209bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) 1210bfcc09ddSBjoern A. Zeeb flags |= (iwl_mvm_is_scan_fragmented(hb_type)) ? 1211bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_SET_LMAC2_FRAGMENTED : 1212bfcc09ddSBjoern A. Zeeb SCAN_CONFIG_FLAG_CLEAR_LMAC2_FRAGMENTED; 1213bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_config_v2(mvm, cfg, flags, channel_flags, 1214bfcc09ddSBjoern A. Zeeb num_channels); 1215bfcc09ddSBjoern A. Zeeb } else { 1216bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_config_v1(mvm, cfg, flags, channel_flags, 1217bfcc09ddSBjoern A. Zeeb num_channels); 1218bfcc09ddSBjoern A. Zeeb } 1219bfcc09ddSBjoern A. Zeeb 1220bfcc09ddSBjoern A. Zeeb cmd.data[0] = cfg; 1221bfcc09ddSBjoern A. Zeeb cmd.len[0] = cmd_size; 1222bfcc09ddSBjoern A. Zeeb cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; 1223bfcc09ddSBjoern A. Zeeb 1224bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Sending UMAC scan config\n"); 1225bfcc09ddSBjoern A. Zeeb 1226bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd(mvm, &cmd); 1227bfcc09ddSBjoern A. Zeeb if (!ret) { 1228bfcc09ddSBjoern A. Zeeb mvm->scan_type = type; 1229bfcc09ddSBjoern A. Zeeb mvm->hb_scan_type = hb_type; 1230bfcc09ddSBjoern A. Zeeb } 1231bfcc09ddSBjoern A. Zeeb 1232bfcc09ddSBjoern A. Zeeb kfree(cfg); 1233bfcc09ddSBjoern A. Zeeb return ret; 1234bfcc09ddSBjoern A. Zeeb } 1235bfcc09ddSBjoern A. Zeeb 1236bfcc09ddSBjoern A. Zeeb int iwl_mvm_config_scan(struct iwl_mvm *mvm) 1237bfcc09ddSBjoern A. Zeeb { 1238bfcc09ddSBjoern A. Zeeb struct iwl_scan_config cfg; 1239bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd cmd = { 1240d9836fb4SBjoern A. Zeeb .id = WIDE_ID(IWL_ALWAYS_LONG_GROUP, SCAN_CFG_CMD), 1241bfcc09ddSBjoern A. Zeeb .len[0] = sizeof(cfg), 1242bfcc09ddSBjoern A. Zeeb .data[0] = &cfg, 1243bfcc09ddSBjoern A. Zeeb .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 1244bfcc09ddSBjoern A. Zeeb }; 1245bfcc09ddSBjoern A. Zeeb 1246bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_reduced_config_scan_supported(mvm)) 1247bfcc09ddSBjoern A. Zeeb return iwl_mvm_legacy_config_scan(mvm); 1248bfcc09ddSBjoern A. Zeeb 1249bfcc09ddSBjoern A. Zeeb memset(&cfg, 0, sizeof(cfg)); 1250bfcc09ddSBjoern A. Zeeb 1251d9836fb4SBjoern A. Zeeb if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) { 1252bfcc09ddSBjoern A. Zeeb cfg.bcast_sta_id = mvm->aux_sta.sta_id; 1253d9836fb4SBjoern A. Zeeb } else if (iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_CFG_CMD, 0) < 5) { 1254bfcc09ddSBjoern A. Zeeb /* 1255bfcc09ddSBjoern A. Zeeb * Fw doesn't use this sta anymore. Deprecated on SCAN_CFG_CMD 1256bfcc09ddSBjoern A. Zeeb * version 5. 1257bfcc09ddSBjoern A. Zeeb */ 1258bfcc09ddSBjoern A. Zeeb cfg.bcast_sta_id = 0xff; 1259bfcc09ddSBjoern A. Zeeb } 1260bfcc09ddSBjoern A. Zeeb 1261bfcc09ddSBjoern A. Zeeb cfg.tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); 1262bfcc09ddSBjoern A. Zeeb cfg.rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm)); 1263bfcc09ddSBjoern A. Zeeb 1264bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Sending UMAC scan config\n"); 1265bfcc09ddSBjoern A. Zeeb 1266bfcc09ddSBjoern A. Zeeb return iwl_mvm_send_cmd(mvm, &cmd); 1267bfcc09ddSBjoern A. Zeeb } 1268bfcc09ddSBjoern A. Zeeb 1269bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_uid_by_status(struct iwl_mvm *mvm, int status) 1270bfcc09ddSBjoern A. Zeeb { 1271bfcc09ddSBjoern A. Zeeb int i; 1272bfcc09ddSBjoern A. Zeeb 1273bfcc09ddSBjoern A. Zeeb for (i = 0; i < mvm->max_scans; i++) 1274bfcc09ddSBjoern A. Zeeb if (mvm->scan_uid_status[i] == status) 1275bfcc09ddSBjoern A. Zeeb return i; 1276bfcc09ddSBjoern A. Zeeb 1277bfcc09ddSBjoern A. Zeeb return -ENOENT; 1278bfcc09ddSBjoern A. Zeeb } 1279bfcc09ddSBjoern A. Zeeb 1280bfcc09ddSBjoern A. Zeeb static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, 1281bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac *cmd, 1282bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params) 1283bfcc09ddSBjoern A. Zeeb { 1284bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_timing_params *timing, *hb_timing; 1285bfcc09ddSBjoern A. Zeeb u8 active_dwell, passive_dwell; 1286bfcc09ddSBjoern A. Zeeb 1287bfcc09ddSBjoern A. Zeeb timing = &scan_timing[params->type]; 1288bfcc09ddSBjoern A. Zeeb active_dwell = IWL_SCAN_DWELL_ACTIVE; 1289bfcc09ddSBjoern A. Zeeb passive_dwell = IWL_SCAN_DWELL_PASSIVE; 1290bfcc09ddSBjoern A. Zeeb 1291bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_supported(mvm)) { 1292bfcc09ddSBjoern A. Zeeb cmd->v7.adwell_default_n_aps_social = 1293bfcc09ddSBjoern A. Zeeb IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL; 1294bfcc09ddSBjoern A. Zeeb cmd->v7.adwell_default_n_aps = 1295bfcc09ddSBjoern A. Zeeb IWL_SCAN_ADWELL_DEFAULT_LB_N_APS; 1296bfcc09ddSBjoern A. Zeeb 1297bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adwell_hb_ap_num_supported(mvm)) 1298bfcc09ddSBjoern A. Zeeb cmd->v9.adwell_default_hb_n_aps = 1299bfcc09ddSBjoern A. Zeeb IWL_SCAN_ADWELL_DEFAULT_HB_N_APS; 1300bfcc09ddSBjoern A. Zeeb 1301bfcc09ddSBjoern A. Zeeb /* if custom max budget was configured with debugfs */ 1302bfcc09ddSBjoern A. Zeeb if (IWL_MVM_ADWELL_MAX_BUDGET) 1303bfcc09ddSBjoern A. Zeeb cmd->v7.adwell_max_budget = 1304bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_MVM_ADWELL_MAX_BUDGET); 1305bfcc09ddSBjoern A. Zeeb else if (params->ssids && params->ssids[0].ssid_len) 1306bfcc09ddSBjoern A. Zeeb cmd->v7.adwell_max_budget = 1307bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN); 1308bfcc09ddSBjoern A. Zeeb else 1309bfcc09ddSBjoern A. Zeeb cmd->v7.adwell_max_budget = 1310bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN); 1311bfcc09ddSBjoern A. Zeeb 1312bfcc09ddSBjoern A. Zeeb cmd->v7.scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); 1313bfcc09ddSBjoern A. Zeeb cmd->v7.max_out_time[SCAN_LB_LMAC_IDX] = 1314bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->max_out_time); 1315bfcc09ddSBjoern A. Zeeb cmd->v7.suspend_time[SCAN_LB_LMAC_IDX] = 1316bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->suspend_time); 1317bfcc09ddSBjoern A. Zeeb 1318bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 1319bfcc09ddSBjoern A. Zeeb hb_timing = &scan_timing[params->hb_type]; 1320bfcc09ddSBjoern A. Zeeb 1321bfcc09ddSBjoern A. Zeeb cmd->v7.max_out_time[SCAN_HB_LMAC_IDX] = 1322bfcc09ddSBjoern A. Zeeb cpu_to_le32(hb_timing->max_out_time); 1323bfcc09ddSBjoern A. Zeeb cmd->v7.suspend_time[SCAN_HB_LMAC_IDX] = 1324bfcc09ddSBjoern A. Zeeb cpu_to_le32(hb_timing->suspend_time); 1325bfcc09ddSBjoern A. Zeeb } 1326bfcc09ddSBjoern A. Zeeb 1327bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) { 1328bfcc09ddSBjoern A. Zeeb cmd->v7.active_dwell = active_dwell; 1329bfcc09ddSBjoern A. Zeeb cmd->v7.passive_dwell = passive_dwell; 1330bfcc09ddSBjoern A. Zeeb cmd->v7.fragmented_dwell = IWL_SCAN_DWELL_FRAGMENTED; 1331bfcc09ddSBjoern A. Zeeb } else { 1332bfcc09ddSBjoern A. Zeeb cmd->v8.active_dwell[SCAN_LB_LMAC_IDX] = active_dwell; 1333bfcc09ddSBjoern A. Zeeb cmd->v8.passive_dwell[SCAN_LB_LMAC_IDX] = passive_dwell; 1334bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 1335bfcc09ddSBjoern A. Zeeb cmd->v8.active_dwell[SCAN_HB_LMAC_IDX] = 1336bfcc09ddSBjoern A. Zeeb active_dwell; 1337bfcc09ddSBjoern A. Zeeb cmd->v8.passive_dwell[SCAN_HB_LMAC_IDX] = 1338bfcc09ddSBjoern A. Zeeb passive_dwell; 1339bfcc09ddSBjoern A. Zeeb } 1340bfcc09ddSBjoern A. Zeeb } 1341bfcc09ddSBjoern A. Zeeb } else { 1342bfcc09ddSBjoern A. Zeeb cmd->v1.extended_dwell = IWL_SCAN_DWELL_EXTENDED; 1343bfcc09ddSBjoern A. Zeeb cmd->v1.active_dwell = active_dwell; 1344bfcc09ddSBjoern A. Zeeb cmd->v1.passive_dwell = passive_dwell; 1345bfcc09ddSBjoern A. Zeeb cmd->v1.fragmented_dwell = IWL_SCAN_DWELL_FRAGMENTED; 1346bfcc09ddSBjoern A. Zeeb 1347bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 1348bfcc09ddSBjoern A. Zeeb hb_timing = &scan_timing[params->hb_type]; 1349bfcc09ddSBjoern A. Zeeb 1350bfcc09ddSBjoern A. Zeeb cmd->v6.max_out_time[SCAN_HB_LMAC_IDX] = 1351bfcc09ddSBjoern A. Zeeb cpu_to_le32(hb_timing->max_out_time); 1352bfcc09ddSBjoern A. Zeeb cmd->v6.suspend_time[SCAN_HB_LMAC_IDX] = 1353bfcc09ddSBjoern A. Zeeb cpu_to_le32(hb_timing->suspend_time); 1354bfcc09ddSBjoern A. Zeeb } 1355bfcc09ddSBjoern A. Zeeb 1356bfcc09ddSBjoern A. Zeeb if (iwl_mvm_cdb_scan_api(mvm)) { 1357bfcc09ddSBjoern A. Zeeb cmd->v6.scan_priority = 1358bfcc09ddSBjoern A. Zeeb cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); 1359bfcc09ddSBjoern A. Zeeb cmd->v6.max_out_time[SCAN_LB_LMAC_IDX] = 1360bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->max_out_time); 1361bfcc09ddSBjoern A. Zeeb cmd->v6.suspend_time[SCAN_LB_LMAC_IDX] = 1362bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->suspend_time); 1363bfcc09ddSBjoern A. Zeeb } else { 1364bfcc09ddSBjoern A. Zeeb cmd->v1.scan_priority = 1365bfcc09ddSBjoern A. Zeeb cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); 1366bfcc09ddSBjoern A. Zeeb cmd->v1.max_out_time = 1367bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->max_out_time); 1368bfcc09ddSBjoern A. Zeeb cmd->v1.suspend_time = 1369bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->suspend_time); 1370bfcc09ddSBjoern A. Zeeb } 1371bfcc09ddSBjoern A. Zeeb } 1372bfcc09ddSBjoern A. Zeeb 1373bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_regular_scan(params)) 1374bfcc09ddSBjoern A. Zeeb cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); 1375bfcc09ddSBjoern A. Zeeb else 1376bfcc09ddSBjoern A. Zeeb cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_2); 1377bfcc09ddSBjoern A. Zeeb } 1378bfcc09ddSBjoern A. Zeeb 1379bfcc09ddSBjoern A. Zeeb static u32 iwl_mvm_scan_umac_ooc_priority(struct iwl_mvm_scan_params *params) 1380bfcc09ddSBjoern A. Zeeb { 1381bfcc09ddSBjoern A. Zeeb return iwl_mvm_is_regular_scan(params) ? 1382bfcc09ddSBjoern A. Zeeb IWL_SCAN_PRIORITY_EXT_6 : 1383bfcc09ddSBjoern A. Zeeb IWL_SCAN_PRIORITY_EXT_2; 1384bfcc09ddSBjoern A. Zeeb } 1385bfcc09ddSBjoern A. Zeeb 1386bfcc09ddSBjoern A. Zeeb static void 1387d9836fb4SBjoern A. Zeeb iwl_mvm_scan_umac_dwell_v11(struct iwl_mvm *mvm, 1388d9836fb4SBjoern A. Zeeb struct iwl_scan_general_params_v11 *general_params, 1389bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params) 1390bfcc09ddSBjoern A. Zeeb { 1391bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_timing_params *timing, *hb_timing; 1392bfcc09ddSBjoern A. Zeeb u8 active_dwell, passive_dwell; 1393bfcc09ddSBjoern A. Zeeb 1394bfcc09ddSBjoern A. Zeeb timing = &scan_timing[params->type]; 1395bfcc09ddSBjoern A. Zeeb active_dwell = IWL_SCAN_DWELL_ACTIVE; 1396bfcc09ddSBjoern A. Zeeb passive_dwell = IWL_SCAN_DWELL_PASSIVE; 1397bfcc09ddSBjoern A. Zeeb 1398bfcc09ddSBjoern A. Zeeb general_params->adwell_default_social_chn = 1399bfcc09ddSBjoern A. Zeeb IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL; 1400bfcc09ddSBjoern A. Zeeb general_params->adwell_default_2g = IWL_SCAN_ADWELL_DEFAULT_LB_N_APS; 1401bfcc09ddSBjoern A. Zeeb general_params->adwell_default_5g = IWL_SCAN_ADWELL_DEFAULT_HB_N_APS; 1402bfcc09ddSBjoern A. Zeeb 1403bfcc09ddSBjoern A. Zeeb /* if custom max budget was configured with debugfs */ 1404bfcc09ddSBjoern A. Zeeb if (IWL_MVM_ADWELL_MAX_BUDGET) 1405bfcc09ddSBjoern A. Zeeb general_params->adwell_max_budget = 1406bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_MVM_ADWELL_MAX_BUDGET); 1407bfcc09ddSBjoern A. Zeeb else if (params->ssids && params->ssids[0].ssid_len) 1408bfcc09ddSBjoern A. Zeeb general_params->adwell_max_budget = 1409bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN); 1410bfcc09ddSBjoern A. Zeeb else 1411bfcc09ddSBjoern A. Zeeb general_params->adwell_max_budget = 1412bfcc09ddSBjoern A. Zeeb cpu_to_le16(IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN); 1413bfcc09ddSBjoern A. Zeeb 1414bfcc09ddSBjoern A. Zeeb general_params->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6); 1415bfcc09ddSBjoern A. Zeeb general_params->max_out_of_time[SCAN_LB_LMAC_IDX] = 1416bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->max_out_time); 1417bfcc09ddSBjoern A. Zeeb general_params->suspend_time[SCAN_LB_LMAC_IDX] = 1418bfcc09ddSBjoern A. Zeeb cpu_to_le32(timing->suspend_time); 1419bfcc09ddSBjoern A. Zeeb 1420bfcc09ddSBjoern A. Zeeb hb_timing = &scan_timing[params->hb_type]; 1421bfcc09ddSBjoern A. Zeeb 1422bfcc09ddSBjoern A. Zeeb general_params->max_out_of_time[SCAN_HB_LMAC_IDX] = 1423bfcc09ddSBjoern A. Zeeb cpu_to_le32(hb_timing->max_out_time); 1424bfcc09ddSBjoern A. Zeeb general_params->suspend_time[SCAN_HB_LMAC_IDX] = 1425bfcc09ddSBjoern A. Zeeb cpu_to_le32(hb_timing->suspend_time); 1426bfcc09ddSBjoern A. Zeeb 1427bfcc09ddSBjoern A. Zeeb general_params->active_dwell[SCAN_LB_LMAC_IDX] = active_dwell; 1428bfcc09ddSBjoern A. Zeeb general_params->passive_dwell[SCAN_LB_LMAC_IDX] = passive_dwell; 1429bfcc09ddSBjoern A. Zeeb general_params->active_dwell[SCAN_HB_LMAC_IDX] = active_dwell; 1430bfcc09ddSBjoern A. Zeeb general_params->passive_dwell[SCAN_HB_LMAC_IDX] = passive_dwell; 1431bfcc09ddSBjoern A. Zeeb } 1432bfcc09ddSBjoern A. Zeeb 1433bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_channel_segment { 1434bfcc09ddSBjoern A. Zeeb u8 start_idx; 1435bfcc09ddSBjoern A. Zeeb u8 end_idx; 1436bfcc09ddSBjoern A. Zeeb u8 first_channel_id; 1437bfcc09ddSBjoern A. Zeeb u8 last_channel_id; 1438bfcc09ddSBjoern A. Zeeb u8 channel_spacing_shift; 1439bfcc09ddSBjoern A. Zeeb u8 band; 1440bfcc09ddSBjoern A. Zeeb }; 1441bfcc09ddSBjoern A. Zeeb 1442bfcc09ddSBjoern A. Zeeb static const struct iwl_mvm_scan_channel_segment scan_channel_segments[] = { 1443bfcc09ddSBjoern A. Zeeb { 1444bfcc09ddSBjoern A. Zeeb .start_idx = 0, 1445bfcc09ddSBjoern A. Zeeb .end_idx = 13, 1446bfcc09ddSBjoern A. Zeeb .first_channel_id = 1, 1447bfcc09ddSBjoern A. Zeeb .last_channel_id = 14, 1448bfcc09ddSBjoern A. Zeeb .channel_spacing_shift = 0, 1449bfcc09ddSBjoern A. Zeeb .band = PHY_BAND_24 1450bfcc09ddSBjoern A. Zeeb }, 1451bfcc09ddSBjoern A. Zeeb { 1452bfcc09ddSBjoern A. Zeeb .start_idx = 14, 1453bfcc09ddSBjoern A. Zeeb .end_idx = 41, 1454bfcc09ddSBjoern A. Zeeb .first_channel_id = 36, 1455bfcc09ddSBjoern A. Zeeb .last_channel_id = 144, 1456bfcc09ddSBjoern A. Zeeb .channel_spacing_shift = 2, 1457bfcc09ddSBjoern A. Zeeb .band = PHY_BAND_5 1458bfcc09ddSBjoern A. Zeeb }, 1459bfcc09ddSBjoern A. Zeeb { 1460bfcc09ddSBjoern A. Zeeb .start_idx = 42, 1461bfcc09ddSBjoern A. Zeeb .end_idx = 50, 1462bfcc09ddSBjoern A. Zeeb .first_channel_id = 149, 1463bfcc09ddSBjoern A. Zeeb .last_channel_id = 181, 1464bfcc09ddSBjoern A. Zeeb .channel_spacing_shift = 2, 1465bfcc09ddSBjoern A. Zeeb .band = PHY_BAND_5 1466bfcc09ddSBjoern A. Zeeb }, 1467bfcc09ddSBjoern A. Zeeb { 1468bfcc09ddSBjoern A. Zeeb .start_idx = 51, 1469bfcc09ddSBjoern A. Zeeb .end_idx = 111, 1470bfcc09ddSBjoern A. Zeeb .first_channel_id = 1, 1471bfcc09ddSBjoern A. Zeeb .last_channel_id = 241, 1472bfcc09ddSBjoern A. Zeeb .channel_spacing_shift = 2, 1473bfcc09ddSBjoern A. Zeeb .band = PHY_BAND_6 1474bfcc09ddSBjoern A. Zeeb }, 1475bfcc09ddSBjoern A. Zeeb }; 1476bfcc09ddSBjoern A. Zeeb 1477bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_ch_and_band_to_idx(u8 channel_id, u8 band) 1478bfcc09ddSBjoern A. Zeeb { 1479bfcc09ddSBjoern A. Zeeb int i, index; 1480bfcc09ddSBjoern A. Zeeb 1481bfcc09ddSBjoern A. Zeeb if (!channel_id) 1482bfcc09ddSBjoern A. Zeeb return -EINVAL; 1483bfcc09ddSBjoern A. Zeeb 1484bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(scan_channel_segments); i++) { 1485bfcc09ddSBjoern A. Zeeb const struct iwl_mvm_scan_channel_segment *ch_segment = 1486bfcc09ddSBjoern A. Zeeb &scan_channel_segments[i]; 1487bfcc09ddSBjoern A. Zeeb u32 ch_offset; 1488bfcc09ddSBjoern A. Zeeb 1489bfcc09ddSBjoern A. Zeeb if (ch_segment->band != band || 1490bfcc09ddSBjoern A. Zeeb ch_segment->first_channel_id > channel_id || 1491bfcc09ddSBjoern A. Zeeb ch_segment->last_channel_id < channel_id) 1492bfcc09ddSBjoern A. Zeeb continue; 1493bfcc09ddSBjoern A. Zeeb 1494bfcc09ddSBjoern A. Zeeb ch_offset = (channel_id - ch_segment->first_channel_id) >> 1495bfcc09ddSBjoern A. Zeeb ch_segment->channel_spacing_shift; 1496bfcc09ddSBjoern A. Zeeb 1497bfcc09ddSBjoern A. Zeeb index = scan_channel_segments[i].start_idx + ch_offset; 1498bfcc09ddSBjoern A. Zeeb if (index < IWL_SCAN_NUM_CHANNELS) 1499bfcc09ddSBjoern A. Zeeb return index; 1500bfcc09ddSBjoern A. Zeeb 1501bfcc09ddSBjoern A. Zeeb break; 1502bfcc09ddSBjoern A. Zeeb } 1503bfcc09ddSBjoern A. Zeeb 1504bfcc09ddSBjoern A. Zeeb return -EINVAL; 1505bfcc09ddSBjoern A. Zeeb } 1506bfcc09ddSBjoern A. Zeeb 1507bfcc09ddSBjoern A. Zeeb static const u8 p2p_go_friendly_chs[] = { 1508bfcc09ddSBjoern A. Zeeb 36, 40, 44, 48, 149, 153, 157, 161, 165, 1509bfcc09ddSBjoern A. Zeeb }; 1510bfcc09ddSBjoern A. Zeeb 1511bfcc09ddSBjoern A. Zeeb static const u8 social_chs[] = { 1512bfcc09ddSBjoern A. Zeeb 1, 6, 11 1513bfcc09ddSBjoern A. Zeeb }; 1514bfcc09ddSBjoern A. Zeeb 1515bfcc09ddSBjoern A. Zeeb static void iwl_mvm_scan_ch_add_n_aps_override(enum nl80211_iftype vif_type, 1516bfcc09ddSBjoern A. Zeeb u8 ch_id, u8 band, u8 *ch_bitmap, 1517bfcc09ddSBjoern A. Zeeb size_t bitmap_n_entries) 1518bfcc09ddSBjoern A. Zeeb { 1519bfcc09ddSBjoern A. Zeeb int i; 1520bfcc09ddSBjoern A. Zeeb 1521bfcc09ddSBjoern A. Zeeb if (vif_type != NL80211_IFTYPE_P2P_DEVICE) 1522bfcc09ddSBjoern A. Zeeb return; 1523bfcc09ddSBjoern A. Zeeb 1524bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(p2p_go_friendly_chs); i++) { 1525bfcc09ddSBjoern A. Zeeb if (p2p_go_friendly_chs[i] == ch_id) { 1526bfcc09ddSBjoern A. Zeeb int ch_idx, bitmap_idx; 1527bfcc09ddSBjoern A. Zeeb 1528bfcc09ddSBjoern A. Zeeb ch_idx = iwl_mvm_scan_ch_and_band_to_idx(ch_id, band); 1529bfcc09ddSBjoern A. Zeeb if (ch_idx < 0) 1530bfcc09ddSBjoern A. Zeeb return; 1531bfcc09ddSBjoern A. Zeeb 1532bfcc09ddSBjoern A. Zeeb bitmap_idx = ch_idx / 8; 1533bfcc09ddSBjoern A. Zeeb if (bitmap_idx >= bitmap_n_entries) 1534bfcc09ddSBjoern A. Zeeb return; 1535bfcc09ddSBjoern A. Zeeb 1536bfcc09ddSBjoern A. Zeeb ch_idx = ch_idx % 8; 1537bfcc09ddSBjoern A. Zeeb ch_bitmap[bitmap_idx] |= BIT(ch_idx); 1538bfcc09ddSBjoern A. Zeeb 1539bfcc09ddSBjoern A. Zeeb return; 1540bfcc09ddSBjoern A. Zeeb } 1541bfcc09ddSBjoern A. Zeeb } 1542bfcc09ddSBjoern A. Zeeb } 1543bfcc09ddSBjoern A. Zeeb 1544bfcc09ddSBjoern A. Zeeb static u32 iwl_mvm_scan_ch_n_aps_flag(enum nl80211_iftype vif_type, u8 ch_id) 1545bfcc09ddSBjoern A. Zeeb { 1546bfcc09ddSBjoern A. Zeeb int i; 1547bfcc09ddSBjoern A. Zeeb u32 flags = 0; 1548bfcc09ddSBjoern A. Zeeb 1549bfcc09ddSBjoern A. Zeeb if (vif_type != NL80211_IFTYPE_P2P_DEVICE) 1550bfcc09ddSBjoern A. Zeeb goto out; 1551bfcc09ddSBjoern A. Zeeb 1552bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(p2p_go_friendly_chs); i++) { 1553bfcc09ddSBjoern A. Zeeb if (p2p_go_friendly_chs[i] == ch_id) { 1554bfcc09ddSBjoern A. Zeeb flags |= IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY_BIT; 1555bfcc09ddSBjoern A. Zeeb break; 1556bfcc09ddSBjoern A. Zeeb } 1557bfcc09ddSBjoern A. Zeeb } 1558bfcc09ddSBjoern A. Zeeb 1559bfcc09ddSBjoern A. Zeeb if (flags) 1560bfcc09ddSBjoern A. Zeeb goto out; 1561bfcc09ddSBjoern A. Zeeb 1562bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(social_chs); i++) { 1563bfcc09ddSBjoern A. Zeeb if (social_chs[i] == ch_id) { 1564bfcc09ddSBjoern A. Zeeb flags |= IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS_BIT; 1565bfcc09ddSBjoern A. Zeeb break; 1566bfcc09ddSBjoern A. Zeeb } 1567bfcc09ddSBjoern A. Zeeb } 1568bfcc09ddSBjoern A. Zeeb 1569bfcc09ddSBjoern A. Zeeb out: 1570bfcc09ddSBjoern A. Zeeb return flags; 1571bfcc09ddSBjoern A. Zeeb } 1572bfcc09ddSBjoern A. Zeeb 1573bfcc09ddSBjoern A. Zeeb static void 1574bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm, 1575bfcc09ddSBjoern A. Zeeb struct ieee80211_channel **channels, 1576bfcc09ddSBjoern A. Zeeb int n_channels, u32 flags, 1577bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_cfg_umac *channel_cfg) 1578bfcc09ddSBjoern A. Zeeb { 1579bfcc09ddSBjoern A. Zeeb int i; 1580bfcc09ddSBjoern A. Zeeb 1581bfcc09ddSBjoern A. Zeeb for (i = 0; i < n_channels; i++) { 1582bfcc09ddSBjoern A. Zeeb channel_cfg[i].flags = cpu_to_le32(flags); 1583bfcc09ddSBjoern A. Zeeb channel_cfg[i].v1.channel_num = channels[i]->hw_value; 1584bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_ext_chan_supported(mvm)) { 1585bfcc09ddSBjoern A. Zeeb enum nl80211_band band = channels[i]->band; 1586bfcc09ddSBjoern A. Zeeb 1587bfcc09ddSBjoern A. Zeeb channel_cfg[i].v2.band = 1588bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_band_from_nl80211(band); 1589bfcc09ddSBjoern A. Zeeb channel_cfg[i].v2.iter_count = 1; 1590bfcc09ddSBjoern A. Zeeb channel_cfg[i].v2.iter_interval = 0; 1591bfcc09ddSBjoern A. Zeeb } else { 1592bfcc09ddSBjoern A. Zeeb channel_cfg[i].v1.iter_count = 1; 1593bfcc09ddSBjoern A. Zeeb channel_cfg[i].v1.iter_interval = 0; 1594bfcc09ddSBjoern A. Zeeb } 1595bfcc09ddSBjoern A. Zeeb } 1596bfcc09ddSBjoern A. Zeeb } 1597bfcc09ddSBjoern A. Zeeb 1598bfcc09ddSBjoern A. Zeeb static void 1599bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels_v4(struct iwl_mvm *mvm, 1600bfcc09ddSBjoern A. Zeeb struct ieee80211_channel **channels, 1601bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_params_v4 *cp, 1602bfcc09ddSBjoern A. Zeeb int n_channels, u32 flags, 1603bfcc09ddSBjoern A. Zeeb enum nl80211_iftype vif_type) 1604bfcc09ddSBjoern A. Zeeb { 1605bfcc09ddSBjoern A. Zeeb u8 *bitmap = cp->adwell_ch_override_bitmap; 1606bfcc09ddSBjoern A. Zeeb size_t bitmap_n_entries = ARRAY_SIZE(cp->adwell_ch_override_bitmap); 1607bfcc09ddSBjoern A. Zeeb int i; 1608bfcc09ddSBjoern A. Zeeb 1609bfcc09ddSBjoern A. Zeeb for (i = 0; i < n_channels; i++) { 1610bfcc09ddSBjoern A. Zeeb enum nl80211_band band = channels[i]->band; 1611bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_cfg_umac *cfg = 1612bfcc09ddSBjoern A. Zeeb &cp->channel_config[i]; 1613bfcc09ddSBjoern A. Zeeb 1614bfcc09ddSBjoern A. Zeeb cfg->flags = cpu_to_le32(flags); 1615bfcc09ddSBjoern A. Zeeb cfg->v2.channel_num = channels[i]->hw_value; 1616bfcc09ddSBjoern A. Zeeb cfg->v2.band = iwl_mvm_phy_band_from_nl80211(band); 1617bfcc09ddSBjoern A. Zeeb cfg->v2.iter_count = 1; 1618bfcc09ddSBjoern A. Zeeb cfg->v2.iter_interval = 0; 1619bfcc09ddSBjoern A. Zeeb 1620bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_ch_add_n_aps_override(vif_type, 1621bfcc09ddSBjoern A. Zeeb cfg->v2.channel_num, 1622bfcc09ddSBjoern A. Zeeb cfg->v2.band, bitmap, 1623bfcc09ddSBjoern A. Zeeb bitmap_n_entries); 1624bfcc09ddSBjoern A. Zeeb } 1625bfcc09ddSBjoern A. Zeeb } 1626bfcc09ddSBjoern A. Zeeb 1627bfcc09ddSBjoern A. Zeeb static void 1628bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels_v6(struct iwl_mvm *mvm, 1629bfcc09ddSBjoern A. Zeeb struct ieee80211_channel **channels, 1630bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_params_v6 *cp, 1631bfcc09ddSBjoern A. Zeeb int n_channels, u32 flags, 1632bfcc09ddSBjoern A. Zeeb enum nl80211_iftype vif_type) 1633bfcc09ddSBjoern A. Zeeb { 1634bfcc09ddSBjoern A. Zeeb int i; 1635bfcc09ddSBjoern A. Zeeb 1636bfcc09ddSBjoern A. Zeeb for (i = 0; i < n_channels; i++) { 1637bfcc09ddSBjoern A. Zeeb enum nl80211_band band = channels[i]->band; 1638bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_cfg_umac *cfg = &cp->channel_config[i]; 1639bfcc09ddSBjoern A. Zeeb u32 n_aps_flag = 1640bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_ch_n_aps_flag(vif_type, 1641bfcc09ddSBjoern A. Zeeb channels[i]->hw_value); 1642bfcc09ddSBjoern A. Zeeb 1643bfcc09ddSBjoern A. Zeeb cfg->flags = cpu_to_le32(flags | n_aps_flag); 1644bfcc09ddSBjoern A. Zeeb cfg->v2.channel_num = channels[i]->hw_value; 1645bfcc09ddSBjoern A. Zeeb cfg->v2.band = iwl_mvm_phy_band_from_nl80211(band); 1646bfcc09ddSBjoern A. Zeeb if (cfg80211_channel_is_psc(channels[i])) 1647bfcc09ddSBjoern A. Zeeb cfg->flags = 0; 1648bfcc09ddSBjoern A. Zeeb cfg->v2.iter_count = 1; 1649bfcc09ddSBjoern A. Zeeb cfg->v2.iter_interval = 0; 1650bfcc09ddSBjoern A. Zeeb } 1651bfcc09ddSBjoern A. Zeeb } 1652bfcc09ddSBjoern A. Zeeb 1653d9836fb4SBjoern A. Zeeb static void 1654bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_fill_6g_chan_list(struct iwl_mvm *mvm, 1655bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 1656bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_params_v4 *pp) 1657bfcc09ddSBjoern A. Zeeb { 1658bfcc09ddSBjoern A. Zeeb int j, idex_s = 0, idex_b = 0; 1659bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_6ghz_params *scan_6ghz_params = 1660bfcc09ddSBjoern A. Zeeb params->scan_6ghz_params; 1661bfcc09ddSBjoern A. Zeeb bool hidden_supported = fw_has_capa(&mvm->fw->ucode_capa, 1662bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_HIDDEN_6GHZ_SCAN); 1663bfcc09ddSBjoern A. Zeeb 1664bfcc09ddSBjoern A. Zeeb for (j = 0; j < params->n_ssids && idex_s < SCAN_SHORT_SSID_MAX_SIZE; 1665bfcc09ddSBjoern A. Zeeb j++) { 1666bfcc09ddSBjoern A. Zeeb if (!params->ssids[j].ssid_len) 1667bfcc09ddSBjoern A. Zeeb continue; 1668bfcc09ddSBjoern A. Zeeb 1669bfcc09ddSBjoern A. Zeeb pp->short_ssid[idex_s] = 1670bfcc09ddSBjoern A. Zeeb cpu_to_le32(~crc32_le(~0, params->ssids[j].ssid, 1671bfcc09ddSBjoern A. Zeeb params->ssids[j].ssid_len)); 1672bfcc09ddSBjoern A. Zeeb 1673bfcc09ddSBjoern A. Zeeb if (hidden_supported) { 1674bfcc09ddSBjoern A. Zeeb pp->direct_scan[idex_s].id = WLAN_EID_SSID; 1675bfcc09ddSBjoern A. Zeeb pp->direct_scan[idex_s].len = params->ssids[j].ssid_len; 1676bfcc09ddSBjoern A. Zeeb memcpy(pp->direct_scan[idex_s].ssid, params->ssids[j].ssid, 1677bfcc09ddSBjoern A. Zeeb params->ssids[j].ssid_len); 1678bfcc09ddSBjoern A. Zeeb } 1679bfcc09ddSBjoern A. Zeeb idex_s++; 1680bfcc09ddSBjoern A. Zeeb } 1681bfcc09ddSBjoern A. Zeeb 1682bfcc09ddSBjoern A. Zeeb /* 1683bfcc09ddSBjoern A. Zeeb * Populate the arrays of the short SSIDs and the BSSIDs using the 6GHz 1684bfcc09ddSBjoern A. Zeeb * collocated parameters. This might not be optimal, as this processing 1685bfcc09ddSBjoern A. Zeeb * does not (yet) correspond to the actual channels, so it is possible 1686bfcc09ddSBjoern A. Zeeb * that some entries would be left out. 1687bfcc09ddSBjoern A. Zeeb * 1688bfcc09ddSBjoern A. Zeeb * TODO: improve this logic. 1689bfcc09ddSBjoern A. Zeeb */ 1690bfcc09ddSBjoern A. Zeeb for (j = 0; j < params->n_6ghz_params; j++) { 1691bfcc09ddSBjoern A. Zeeb int k; 1692bfcc09ddSBjoern A. Zeeb 1693bfcc09ddSBjoern A. Zeeb /* First, try to place the short SSID */ 1694bfcc09ddSBjoern A. Zeeb if (scan_6ghz_params[j].short_ssid_valid) { 1695bfcc09ddSBjoern A. Zeeb for (k = 0; k < idex_s; k++) { 1696bfcc09ddSBjoern A. Zeeb if (pp->short_ssid[k] == 1697bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_6ghz_params[j].short_ssid)) 1698bfcc09ddSBjoern A. Zeeb break; 1699bfcc09ddSBjoern A. Zeeb } 1700bfcc09ddSBjoern A. Zeeb 1701bfcc09ddSBjoern A. Zeeb if (k == idex_s && idex_s < SCAN_SHORT_SSID_MAX_SIZE) { 1702bfcc09ddSBjoern A. Zeeb pp->short_ssid[idex_s++] = 1703bfcc09ddSBjoern A. Zeeb cpu_to_le32(scan_6ghz_params[j].short_ssid); 1704bfcc09ddSBjoern A. Zeeb } 1705bfcc09ddSBjoern A. Zeeb } 1706bfcc09ddSBjoern A. Zeeb 1707bfcc09ddSBjoern A. Zeeb /* try to place BSSID for the same entry */ 1708bfcc09ddSBjoern A. Zeeb for (k = 0; k < idex_b; k++) { 1709bfcc09ddSBjoern A. Zeeb if (!memcmp(&pp->bssid_array[k], 1710bfcc09ddSBjoern A. Zeeb scan_6ghz_params[j].bssid, ETH_ALEN)) 1711bfcc09ddSBjoern A. Zeeb break; 1712bfcc09ddSBjoern A. Zeeb } 1713bfcc09ddSBjoern A. Zeeb 1714bfcc09ddSBjoern A. Zeeb if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE) { 1715bfcc09ddSBjoern A. Zeeb memcpy(&pp->bssid_array[idex_b++], 1716bfcc09ddSBjoern A. Zeeb scan_6ghz_params[j].bssid, ETH_ALEN); 1717bfcc09ddSBjoern A. Zeeb } 1718bfcc09ddSBjoern A. Zeeb } 1719bfcc09ddSBjoern A. Zeeb 1720bfcc09ddSBjoern A. Zeeb pp->short_ssid_num = idex_s; 1721bfcc09ddSBjoern A. Zeeb pp->bssid_num = idex_b; 1722bfcc09ddSBjoern A. Zeeb } 1723bfcc09ddSBjoern A. Zeeb 1724bfcc09ddSBjoern A. Zeeb /* TODO: this function can be merged with iwl_mvm_scan_umac_fill_ch_p_v6 */ 1725d9836fb4SBjoern A. Zeeb static u32 1726d9836fb4SBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm *mvm, 1727d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_params *params, 1728bfcc09ddSBjoern A. Zeeb u32 n_channels, 1729bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_params_v4 *pp, 1730bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_params_v6 *cp, 1731bfcc09ddSBjoern A. Zeeb enum nl80211_iftype vif_type) 1732bfcc09ddSBjoern A. Zeeb { 1733bfcc09ddSBjoern A. Zeeb int i; 1734bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_6ghz_params *scan_6ghz_params = 1735bfcc09ddSBjoern A. Zeeb params->scan_6ghz_params; 1736d9836fb4SBjoern A. Zeeb u32 ch_cnt; 1737bfcc09ddSBjoern A. Zeeb 1738d9836fb4SBjoern A. Zeeb for (i = 0, ch_cnt = 0; i < params->n_channels; i++) { 1739bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_cfg_umac *cfg = 1740d9836fb4SBjoern A. Zeeb &cp->channel_config[ch_cnt]; 1741bfcc09ddSBjoern A. Zeeb 1742bfcc09ddSBjoern A. Zeeb u32 s_ssid_bitmap = 0, bssid_bitmap = 0, flags = 0; 1743bfcc09ddSBjoern A. Zeeb u8 j, k, s_max = 0, b_max = 0, n_used_bssid_entries; 1744bfcc09ddSBjoern A. Zeeb bool force_passive, found = false, allow_passive = true, 1745bfcc09ddSBjoern A. Zeeb unsolicited_probe_on_chan = false, psc_no_listen = false; 1746bfcc09ddSBjoern A. Zeeb 1747d9836fb4SBjoern A. Zeeb /* 1748d9836fb4SBjoern A. Zeeb * Avoid performing passive scan on non PSC channels unless the 1749d9836fb4SBjoern A. Zeeb * scan is specifically a passive scan, i.e., no SSIDs 1750d9836fb4SBjoern A. Zeeb * configured in the scan command. 1751d9836fb4SBjoern A. Zeeb */ 1752d9836fb4SBjoern A. Zeeb if (!cfg80211_channel_is_psc(params->channels[i]) && 1753d9836fb4SBjoern A. Zeeb !params->n_6ghz_params && params->n_ssids) 1754d9836fb4SBjoern A. Zeeb continue; 1755d9836fb4SBjoern A. Zeeb 1756bfcc09ddSBjoern A. Zeeb cfg->v1.channel_num = params->channels[i]->hw_value; 1757bfcc09ddSBjoern A. Zeeb cfg->v2.band = 2; 1758bfcc09ddSBjoern A. Zeeb cfg->v2.iter_count = 1; 1759bfcc09ddSBjoern A. Zeeb cfg->v2.iter_interval = 0; 1760bfcc09ddSBjoern A. Zeeb 1761bfcc09ddSBjoern A. Zeeb /* 1762bfcc09ddSBjoern A. Zeeb * The optimize the scan time, i.e., reduce the scan dwell time 1763bfcc09ddSBjoern A. Zeeb * on each channel, the below logic tries to set 3 direct BSSID 1764bfcc09ddSBjoern A. Zeeb * probe requests for each broadcast probe request with a short 1765bfcc09ddSBjoern A. Zeeb * SSID. 1766bfcc09ddSBjoern A. Zeeb * TODO: improve this logic 1767bfcc09ddSBjoern A. Zeeb */ 1768bfcc09ddSBjoern A. Zeeb n_used_bssid_entries = 3; 1769bfcc09ddSBjoern A. Zeeb for (j = 0; j < params->n_6ghz_params; j++) { 1770bfcc09ddSBjoern A. Zeeb if (!(scan_6ghz_params[j].channel_idx == i)) 1771bfcc09ddSBjoern A. Zeeb continue; 1772bfcc09ddSBjoern A. Zeeb 1773bfcc09ddSBjoern A. Zeeb found = false; 1774bfcc09ddSBjoern A. Zeeb unsolicited_probe_on_chan |= 1775bfcc09ddSBjoern A. Zeeb scan_6ghz_params[j].unsolicited_probe; 1776bfcc09ddSBjoern A. Zeeb psc_no_listen |= scan_6ghz_params[j].psc_no_listen; 1777bfcc09ddSBjoern A. Zeeb 1778bfcc09ddSBjoern A. Zeeb for (k = 0; k < pp->short_ssid_num; k++) { 1779bfcc09ddSBjoern A. Zeeb if (!scan_6ghz_params[j].unsolicited_probe && 1780bfcc09ddSBjoern A. Zeeb le32_to_cpu(pp->short_ssid[k]) == 1781bfcc09ddSBjoern A. Zeeb scan_6ghz_params[j].short_ssid) { 1782bfcc09ddSBjoern A. Zeeb /* Relevant short SSID bit set */ 1783bfcc09ddSBjoern A. Zeeb if (s_ssid_bitmap & BIT(k)) { 1784bfcc09ddSBjoern A. Zeeb found = true; 1785bfcc09ddSBjoern A. Zeeb break; 1786bfcc09ddSBjoern A. Zeeb } 1787bfcc09ddSBjoern A. Zeeb 1788bfcc09ddSBjoern A. Zeeb /* 1789bfcc09ddSBjoern A. Zeeb * Use short SSID only to create a new 1790bfcc09ddSBjoern A. Zeeb * iteration during channel dwell or in 1791bfcc09ddSBjoern A. Zeeb * case that the short SSID has a 1792bfcc09ddSBjoern A. Zeeb * matching SSID, i.e., scan for hidden 1793bfcc09ddSBjoern A. Zeeb * APs. 1794bfcc09ddSBjoern A. Zeeb */ 1795bfcc09ddSBjoern A. Zeeb if (n_used_bssid_entries >= 3) { 1796bfcc09ddSBjoern A. Zeeb s_ssid_bitmap |= BIT(k); 1797bfcc09ddSBjoern A. Zeeb s_max++; 1798bfcc09ddSBjoern A. Zeeb n_used_bssid_entries -= 3; 1799bfcc09ddSBjoern A. Zeeb found = true; 1800bfcc09ddSBjoern A. Zeeb break; 1801bfcc09ddSBjoern A. Zeeb } else if (pp->direct_scan[k].len) { 1802bfcc09ddSBjoern A. Zeeb s_ssid_bitmap |= BIT(k); 1803bfcc09ddSBjoern A. Zeeb s_max++; 1804bfcc09ddSBjoern A. Zeeb found = true; 1805bfcc09ddSBjoern A. Zeeb allow_passive = false; 1806bfcc09ddSBjoern A. Zeeb break; 1807bfcc09ddSBjoern A. Zeeb } 1808bfcc09ddSBjoern A. Zeeb } 1809bfcc09ddSBjoern A. Zeeb } 1810bfcc09ddSBjoern A. Zeeb 1811bfcc09ddSBjoern A. Zeeb if (found) 1812bfcc09ddSBjoern A. Zeeb continue; 1813bfcc09ddSBjoern A. Zeeb 1814bfcc09ddSBjoern A. Zeeb for (k = 0; k < pp->bssid_num; k++) { 1815bfcc09ddSBjoern A. Zeeb if (!memcmp(&pp->bssid_array[k], 1816bfcc09ddSBjoern A. Zeeb scan_6ghz_params[j].bssid, 1817bfcc09ddSBjoern A. Zeeb ETH_ALEN)) { 1818bfcc09ddSBjoern A. Zeeb if (!(bssid_bitmap & BIT(k))) { 1819bfcc09ddSBjoern A. Zeeb bssid_bitmap |= BIT(k); 1820bfcc09ddSBjoern A. Zeeb b_max++; 1821bfcc09ddSBjoern A. Zeeb n_used_bssid_entries++; 1822bfcc09ddSBjoern A. Zeeb } 1823bfcc09ddSBjoern A. Zeeb break; 1824bfcc09ddSBjoern A. Zeeb } 1825bfcc09ddSBjoern A. Zeeb } 1826bfcc09ddSBjoern A. Zeeb } 1827bfcc09ddSBjoern A. Zeeb 1828bfcc09ddSBjoern A. Zeeb if (cfg80211_channel_is_psc(params->channels[i]) && 1829bfcc09ddSBjoern A. Zeeb psc_no_listen) 1830bfcc09ddSBjoern A. Zeeb flags |= IWL_UHB_CHAN_CFG_FLAG_PSC_CHAN_NO_LISTEN; 1831bfcc09ddSBjoern A. Zeeb 1832bfcc09ddSBjoern A. Zeeb if (unsolicited_probe_on_chan) 1833bfcc09ddSBjoern A. Zeeb flags |= IWL_UHB_CHAN_CFG_FLAG_UNSOLICITED_PROBE_RES; 1834bfcc09ddSBjoern A. Zeeb 1835bfcc09ddSBjoern A. Zeeb /* 1836bfcc09ddSBjoern A. Zeeb * In the following cases apply passive scan: 1837bfcc09ddSBjoern A. Zeeb * 1. Non fragmented scan: 1838bfcc09ddSBjoern A. Zeeb * - PSC channel with NO_LISTEN_FLAG on should be treated 1839bfcc09ddSBjoern A. Zeeb * like non PSC channel 1840bfcc09ddSBjoern A. Zeeb * - Non PSC channel with more than 3 short SSIDs or more 1841bfcc09ddSBjoern A. Zeeb * than 9 BSSIDs. 1842bfcc09ddSBjoern A. Zeeb * - Non PSC Channel with unsolicited probe response and 1843bfcc09ddSBjoern A. Zeeb * more than 2 short SSIDs or more than 6 BSSIDs. 1844bfcc09ddSBjoern A. Zeeb * - PSC channel with more than 2 short SSIDs or more than 1845bfcc09ddSBjoern A. Zeeb * 6 BSSIDs. 1846bfcc09ddSBjoern A. Zeeb * 3. Fragmented scan: 1847bfcc09ddSBjoern A. Zeeb * - PSC channel with more than 1 SSID or 3 BSSIDs. 1848bfcc09ddSBjoern A. Zeeb * - Non PSC channel with more than 2 SSIDs or 6 BSSIDs. 1849bfcc09ddSBjoern A. Zeeb * - Non PSC channel with unsolicited probe response and 1850bfcc09ddSBjoern A. Zeeb * more than 1 SSID or more than 3 BSSIDs. 1851bfcc09ddSBjoern A. Zeeb */ 1852bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_scan_fragmented(params->type)) { 1853bfcc09ddSBjoern A. Zeeb if (!cfg80211_channel_is_psc(params->channels[i]) || 1854bfcc09ddSBjoern A. Zeeb flags & IWL_UHB_CHAN_CFG_FLAG_PSC_CHAN_NO_LISTEN) { 1855bfcc09ddSBjoern A. Zeeb force_passive = (s_max > 3 || b_max > 9); 1856bfcc09ddSBjoern A. Zeeb force_passive |= (unsolicited_probe_on_chan && 1857bfcc09ddSBjoern A. Zeeb (s_max > 2 || b_max > 6)); 1858bfcc09ddSBjoern A. Zeeb } else { 1859bfcc09ddSBjoern A. Zeeb force_passive = (s_max > 2 || b_max > 6); 1860bfcc09ddSBjoern A. Zeeb } 1861bfcc09ddSBjoern A. Zeeb } else if (cfg80211_channel_is_psc(params->channels[i])) { 1862bfcc09ddSBjoern A. Zeeb force_passive = (s_max > 1 || b_max > 3); 1863bfcc09ddSBjoern A. Zeeb } else { 1864bfcc09ddSBjoern A. Zeeb force_passive = (s_max > 2 || b_max > 6); 1865bfcc09ddSBjoern A. Zeeb force_passive |= (unsolicited_probe_on_chan && 1866bfcc09ddSBjoern A. Zeeb (s_max > 1 || b_max > 3)); 1867bfcc09ddSBjoern A. Zeeb } 1868bfcc09ddSBjoern A. Zeeb if ((allow_passive && force_passive) || 1869d9836fb4SBjoern A. Zeeb (!(bssid_bitmap | s_ssid_bitmap) && 1870d9836fb4SBjoern A. Zeeb !cfg80211_channel_is_psc(params->channels[i]))) 1871bfcc09ddSBjoern A. Zeeb flags |= IWL_UHB_CHAN_CFG_FLAG_FORCE_PASSIVE; 1872d9836fb4SBjoern A. Zeeb else 1873d9836fb4SBjoern A. Zeeb flags |= bssid_bitmap | (s_ssid_bitmap << 16); 1874bfcc09ddSBjoern A. Zeeb 1875d9836fb4SBjoern A. Zeeb cfg->flags |= cpu_to_le32(flags); 1876d9836fb4SBjoern A. Zeeb ch_cnt++; 1877bfcc09ddSBjoern A. Zeeb } 1878d9836fb4SBjoern A. Zeeb 1879d9836fb4SBjoern A. Zeeb if (params->n_channels > ch_cnt) 1880d9836fb4SBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 1881d9836fb4SBjoern A. Zeeb "6GHz: reducing number channels: (%u->%u)\n", 1882d9836fb4SBjoern A. Zeeb params->n_channels, ch_cnt); 1883d9836fb4SBjoern A. Zeeb 1884d9836fb4SBjoern A. Zeeb return ch_cnt; 1885bfcc09ddSBjoern A. Zeeb } 1886bfcc09ddSBjoern A. Zeeb 1887bfcc09ddSBjoern A. Zeeb static u8 iwl_mvm_scan_umac_chan_flags_v2(struct iwl_mvm *mvm, 1888bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 1889bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1890bfcc09ddSBjoern A. Zeeb { 1891bfcc09ddSBjoern A. Zeeb u8 flags = 0; 1892bfcc09ddSBjoern A. Zeeb 1893bfcc09ddSBjoern A. Zeeb flags |= IWL_SCAN_CHANNEL_FLAG_ENABLE_CHAN_ORDER; 1894bfcc09ddSBjoern A. Zeeb 1895bfcc09ddSBjoern A. Zeeb if (iwl_mvm_scan_use_ebs(mvm, vif)) 1896bfcc09ddSBjoern A. Zeeb flags |= IWL_SCAN_CHANNEL_FLAG_EBS | 1897bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | 1898bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_CACHE_ADD; 1899bfcc09ddSBjoern A. Zeeb 1900bfcc09ddSBjoern A. Zeeb /* set fragmented ebs for fragmented scan on HB channels */ 1901d9836fb4SBjoern A. Zeeb if ((!iwl_mvm_is_cdb_supported(mvm) && 1902d9836fb4SBjoern A. Zeeb iwl_mvm_is_scan_fragmented(params->type)) || 1903d9836fb4SBjoern A. Zeeb (iwl_mvm_is_cdb_supported(mvm) && 1904d9836fb4SBjoern A. Zeeb iwl_mvm_is_scan_fragmented(params->hb_type))) 1905bfcc09ddSBjoern A. Zeeb flags |= IWL_SCAN_CHANNEL_FLAG_EBS_FRAG; 1906bfcc09ddSBjoern A. Zeeb 1907d9836fb4SBjoern A. Zeeb /* 1908d9836fb4SBjoern A. Zeeb * force EBS in case the scan is a fragmented and there is a need to take P2P 1909d9836fb4SBjoern A. Zeeb * GO operation into consideration during scan operation. 1910d9836fb4SBjoern A. Zeeb */ 1911d9836fb4SBjoern A. Zeeb if ((!iwl_mvm_is_cdb_supported(mvm) && 1912d9836fb4SBjoern A. Zeeb iwl_mvm_is_scan_fragmented(params->type) && params->respect_p2p_go) || 1913d9836fb4SBjoern A. Zeeb (iwl_mvm_is_cdb_supported(mvm) && 1914d9836fb4SBjoern A. Zeeb iwl_mvm_is_scan_fragmented(params->hb_type) && 1915d9836fb4SBjoern A. Zeeb params->respect_p2p_go_hb)) { 1916d9836fb4SBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Respect P2P GO. Force EBS\n"); 1917d9836fb4SBjoern A. Zeeb flags |= IWL_SCAN_CHANNEL_FLAG_FORCE_EBS; 1918d9836fb4SBjoern A. Zeeb } 1919d9836fb4SBjoern A. Zeeb 1920bfcc09ddSBjoern A. Zeeb return flags; 1921bfcc09ddSBjoern A. Zeeb } 1922bfcc09ddSBjoern A. Zeeb 1923bfcc09ddSBjoern A. Zeeb static void iwl_mvm_scan_6ghz_passive_scan(struct iwl_mvm *mvm, 1924bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 1925bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1926bfcc09ddSBjoern A. Zeeb { 1927bfcc09ddSBjoern A. Zeeb struct ieee80211_supported_band *sband = 1928bfcc09ddSBjoern A. Zeeb &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 1929bfcc09ddSBjoern A. Zeeb u32 n_disabled, i; 1930bfcc09ddSBjoern A. Zeeb 1931bfcc09ddSBjoern A. Zeeb params->enable_6ghz_passive = false; 1932bfcc09ddSBjoern A. Zeeb 1933bfcc09ddSBjoern A. Zeeb if (params->scan_6ghz) 1934bfcc09ddSBjoern A. Zeeb return; 1935bfcc09ddSBjoern A. Zeeb 1936bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 1937bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_PASSIVE_6GHZ_SCAN)) { 1938bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 1939bfcc09ddSBjoern A. Zeeb "6GHz passive scan: Not supported by FW\n"); 1940bfcc09ddSBjoern A. Zeeb return; 1941bfcc09ddSBjoern A. Zeeb } 1942bfcc09ddSBjoern A. Zeeb 1943bfcc09ddSBjoern A. Zeeb /* 6GHz passive scan allowed only on station interface */ 1944bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_STATION) { 1945bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 1946bfcc09ddSBjoern A. Zeeb "6GHz passive scan: not station interface\n"); 1947bfcc09ddSBjoern A. Zeeb return; 1948bfcc09ddSBjoern A. Zeeb } 1949bfcc09ddSBjoern A. Zeeb 1950bfcc09ddSBjoern A. Zeeb /* 1951d9836fb4SBjoern A. Zeeb * 6GHz passive scan is allowed in a defined time interval following HW 1952d9836fb4SBjoern A. Zeeb * reset or resume flow, or while not associated and a large interval 1953d9836fb4SBjoern A. Zeeb * has passed since the last 6GHz passive scan. 1954bfcc09ddSBjoern A. Zeeb */ 1955d9836fb4SBjoern A. Zeeb if ((vif->bss_conf.assoc || 1956d9836fb4SBjoern A. Zeeb time_after(mvm->last_6ghz_passive_scan_jiffies + 1957d9836fb4SBjoern A. Zeeb (IWL_MVM_6GHZ_PASSIVE_SCAN_TIMEOUT * HZ), jiffies)) && 1958bfcc09ddSBjoern A. Zeeb (time_before(mvm->last_reset_or_resume_time_jiffies + 1959bfcc09ddSBjoern A. Zeeb (IWL_MVM_6GHZ_PASSIVE_SCAN_ASSOC_TIMEOUT * HZ), 1960bfcc09ddSBjoern A. Zeeb jiffies))) { 1961d9836fb4SBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "6GHz passive scan: %s\n", 1962d9836fb4SBjoern A. Zeeb vif->bss_conf.assoc ? "associated" : 1963d9836fb4SBjoern A. Zeeb "timeout did not expire"); 1964bfcc09ddSBjoern A. Zeeb return; 1965bfcc09ddSBjoern A. Zeeb } 1966bfcc09ddSBjoern A. Zeeb 1967bfcc09ddSBjoern A. Zeeb /* not enough channels in the regular scan request */ 1968bfcc09ddSBjoern A. Zeeb if (params->n_channels < IWL_MVM_6GHZ_PASSIVE_SCAN_MIN_CHANS) { 1969bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 1970bfcc09ddSBjoern A. Zeeb "6GHz passive scan: not enough channels\n"); 1971bfcc09ddSBjoern A. Zeeb return; 1972bfcc09ddSBjoern A. Zeeb } 1973bfcc09ddSBjoern A. Zeeb 1974bfcc09ddSBjoern A. Zeeb for (i = 0; i < params->n_ssids; i++) { 1975bfcc09ddSBjoern A. Zeeb if (!params->ssids[i].ssid_len) 1976bfcc09ddSBjoern A. Zeeb break; 1977bfcc09ddSBjoern A. Zeeb } 1978bfcc09ddSBjoern A. Zeeb 1979bfcc09ddSBjoern A. Zeeb /* not a wildcard scan, so cannot enable passive 6GHz scan */ 1980bfcc09ddSBjoern A. Zeeb if (i == params->n_ssids) { 1981bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 1982bfcc09ddSBjoern A. Zeeb "6GHz passive scan: no wildcard SSID\n"); 1983bfcc09ddSBjoern A. Zeeb return; 1984bfcc09ddSBjoern A. Zeeb } 1985bfcc09ddSBjoern A. Zeeb 1986bfcc09ddSBjoern A. Zeeb if (!sband || !sband->n_channels) { 1987bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 1988bfcc09ddSBjoern A. Zeeb "6GHz passive scan: no 6GHz channels\n"); 1989bfcc09ddSBjoern A. Zeeb return; 1990bfcc09ddSBjoern A. Zeeb } 1991bfcc09ddSBjoern A. Zeeb 1992bfcc09ddSBjoern A. Zeeb for (i = 0, n_disabled = 0; i < sband->n_channels; i++) { 1993bfcc09ddSBjoern A. Zeeb if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED)) 1994bfcc09ddSBjoern A. Zeeb n_disabled++; 1995bfcc09ddSBjoern A. Zeeb } 1996bfcc09ddSBjoern A. Zeeb 1997bfcc09ddSBjoern A. Zeeb /* 1998bfcc09ddSBjoern A. Zeeb * Not all the 6GHz channels are disabled, so no need for 6GHz passive 1999bfcc09ddSBjoern A. Zeeb * scan 2000bfcc09ddSBjoern A. Zeeb */ 2001bfcc09ddSBjoern A. Zeeb if (n_disabled != sband->n_channels) { 2002bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 2003bfcc09ddSBjoern A. Zeeb "6GHz passive scan: 6GHz channels enabled\n"); 2004bfcc09ddSBjoern A. Zeeb return; 2005bfcc09ddSBjoern A. Zeeb } 2006bfcc09ddSBjoern A. Zeeb 2007bfcc09ddSBjoern A. Zeeb /* all conditions to enable 6ghz passive scan are satisfied */ 2008bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "6GHz passive scan: can be enabled\n"); 2009bfcc09ddSBjoern A. Zeeb params->enable_6ghz_passive = true; 2010bfcc09ddSBjoern A. Zeeb } 2011bfcc09ddSBjoern A. Zeeb 2012bfcc09ddSBjoern A. Zeeb static u16 iwl_mvm_scan_umac_flags_v2(struct iwl_mvm *mvm, 2013bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2014bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2015bfcc09ddSBjoern A. Zeeb int type) 2016bfcc09ddSBjoern A. Zeeb { 2017bfcc09ddSBjoern A. Zeeb u16 flags = 0; 2018bfcc09ddSBjoern A. Zeeb 2019bfcc09ddSBjoern A. Zeeb /* 2020bfcc09ddSBjoern A. Zeeb * If no direct SSIDs are provided perform a passive scan. Otherwise, 2021bfcc09ddSBjoern A. Zeeb * if there is a single SSID which is not the broadcast SSID, assume 2022bfcc09ddSBjoern A. Zeeb * that the scan is intended for roaming purposes and thus enable Rx on 2023bfcc09ddSBjoern A. Zeeb * all chains to improve chances of hearing the beacons/probe responses. 2024bfcc09ddSBjoern A. Zeeb */ 2025bfcc09ddSBjoern A. Zeeb if (params->n_ssids == 0) 2026bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FORCE_PASSIVE; 2027bfcc09ddSBjoern A. Zeeb else if (params->n_ssids == 1 && params->ssids[0].ssid_len) 2028bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_USE_ALL_RX_CHAINS; 2029bfcc09ddSBjoern A. Zeeb 2030bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_fragmented(params->type)) 2031bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1; 2032bfcc09ddSBjoern A. Zeeb 2033bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_fragmented(params->hb_type)) 2034bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2; 2035bfcc09ddSBjoern A. Zeeb 2036bfcc09ddSBjoern A. Zeeb if (params->pass_all) 2037bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_PASS_ALL; 2038bfcc09ddSBjoern A. Zeeb else 2039bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_MATCH; 2040bfcc09ddSBjoern A. Zeeb 2041bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_regular_scan(params)) 2042bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_PERIODIC; 2043bfcc09ddSBjoern A. Zeeb 2044bfcc09ddSBjoern A. Zeeb if (params->iter_notif || 2045bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED) 2046bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_NTFY_ITER_COMPLETE; 2047bfcc09ddSBjoern A. Zeeb 2048bfcc09ddSBjoern A. Zeeb if (IWL_MVM_ADWELL_ENABLE) 2049bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_ADAPTIVE_DWELL; 2050bfcc09ddSBjoern A. Zeeb 2051bfcc09ddSBjoern A. Zeeb if (type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT) 2052bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_PREEMPTIVE; 2053bfcc09ddSBjoern A. Zeeb 2054bfcc09ddSBjoern A. Zeeb if ((type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT) && 2055bfcc09ddSBjoern A. Zeeb params->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ) 2056bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_TRIGGER_UHB_SCAN; 2057bfcc09ddSBjoern A. Zeeb 2058bfcc09ddSBjoern A. Zeeb if (params->enable_6ghz_passive) 2059bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN; 2060bfcc09ddSBjoern A. Zeeb 2061d9836fb4SBjoern A. Zeeb if (iwl_mvm_is_oce_supported(mvm) && 2062d9836fb4SBjoern A. Zeeb (params->flags & (NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP | 2063d9836fb4SBjoern A. Zeeb NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE | 2064d9836fb4SBjoern A. Zeeb NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME))) 2065d9836fb4SBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_OCE; 2066d9836fb4SBjoern A. Zeeb 2067d9836fb4SBjoern A. Zeeb return flags; 2068d9836fb4SBjoern A. Zeeb } 2069d9836fb4SBjoern A. Zeeb 2070d9836fb4SBjoern A. Zeeb static u8 iwl_mvm_scan_umac_flags2(struct iwl_mvm *mvm, 2071d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2072d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif, int type) 2073d9836fb4SBjoern A. Zeeb { 2074d9836fb4SBjoern A. Zeeb u8 flags = 0; 2075d9836fb4SBjoern A. Zeeb 2076d9836fb4SBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 2077d9836fb4SBjoern A. Zeeb if (params->respect_p2p_go) 2078d9836fb4SBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_LB; 2079d9836fb4SBjoern A. Zeeb if (params->respect_p2p_go_hb) 2080d9836fb4SBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_HB; 2081d9836fb4SBjoern A. Zeeb } else { 2082d9836fb4SBjoern A. Zeeb if (params->respect_p2p_go) 2083d9836fb4SBjoern A. Zeeb flags = IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_LB | 2084d9836fb4SBjoern A. Zeeb IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_HB; 2085d9836fb4SBjoern A. Zeeb } 2086d9836fb4SBjoern A. Zeeb 2087bfcc09ddSBjoern A. Zeeb return flags; 2088bfcc09ddSBjoern A. Zeeb } 2089bfcc09ddSBjoern A. Zeeb 2090bfcc09ddSBjoern A. Zeeb static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, 2091bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2092bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 2093bfcc09ddSBjoern A. Zeeb { 2094bfcc09ddSBjoern A. Zeeb u16 flags = 0; 2095bfcc09ddSBjoern A. Zeeb 2096bfcc09ddSBjoern A. Zeeb if (params->n_ssids == 0) 2097bfcc09ddSBjoern A. Zeeb flags = IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE; 2098bfcc09ddSBjoern A. Zeeb 2099bfcc09ddSBjoern A. Zeeb if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0) 2100bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT; 2101bfcc09ddSBjoern A. Zeeb 2102bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_fragmented(params->type)) 2103bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED; 2104bfcc09ddSBjoern A. Zeeb 2105bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm) && 2106bfcc09ddSBjoern A. Zeeb iwl_mvm_is_scan_fragmented(params->hb_type)) 2107bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED; 2108bfcc09ddSBjoern A. Zeeb 2109bfcc09ddSBjoern A. Zeeb if (iwl_mvm_rrm_scan_needed(mvm) && 2110bfcc09ddSBjoern A. Zeeb fw_has_capa(&mvm->fw->ucode_capa, 2111bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 2112bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED; 2113bfcc09ddSBjoern A. Zeeb 2114bfcc09ddSBjoern A. Zeeb if (params->pass_all) 2115bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL; 2116bfcc09ddSBjoern A. Zeeb else 2117bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_MATCH; 2118bfcc09ddSBjoern A. Zeeb 2119bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_regular_scan(params)) 2120bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC; 2121bfcc09ddSBjoern A. Zeeb 2122bfcc09ddSBjoern A. Zeeb if (params->iter_notif) 2123bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE; 2124bfcc09ddSBjoern A. Zeeb 2125bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_DEBUGFS 2126bfcc09ddSBjoern A. Zeeb if (mvm->scan_iter_notif_enabled) 2127bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE; 2128bfcc09ddSBjoern A. Zeeb #endif 2129bfcc09ddSBjoern A. Zeeb 2130bfcc09ddSBjoern A. Zeeb if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED) 2131bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE; 2132bfcc09ddSBjoern A. Zeeb 2133bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_supported(mvm) && IWL_MVM_ADWELL_ENABLE) 2134bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_ADAPTIVE_DWELL; 2135bfcc09ddSBjoern A. Zeeb 2136bfcc09ddSBjoern A. Zeeb /* 2137bfcc09ddSBjoern A. Zeeb * Extended dwell is relevant only for low band to start with, as it is 2138bfcc09ddSBjoern A. Zeeb * being used for social channles only (1, 6, 11), so we can check 2139bfcc09ddSBjoern A. Zeeb * only scan type on low band also for CDB. 2140bfcc09ddSBjoern A. Zeeb */ 2141bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_regular_scan(params) && 2142bfcc09ddSBjoern A. Zeeb vif->type != NL80211_IFTYPE_P2P_DEVICE && 2143bfcc09ddSBjoern A. Zeeb !iwl_mvm_is_scan_fragmented(params->type) && 2144bfcc09ddSBjoern A. Zeeb !iwl_mvm_is_adaptive_dwell_supported(mvm) && 2145bfcc09ddSBjoern A. Zeeb !iwl_mvm_is_oce_supported(mvm)) 2146bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL; 2147bfcc09ddSBjoern A. Zeeb 2148bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_oce_supported(mvm)) { 2149bfcc09ddSBjoern A. Zeeb if ((params->flags & 2150bfcc09ddSBjoern A. Zeeb NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE)) 2151bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_HIGH_TX_RATE; 2152bfcc09ddSBjoern A. Zeeb /* Since IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL and 2153bfcc09ddSBjoern A. Zeeb * NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION shares 2154bfcc09ddSBjoern A. Zeeb * the same bit, we need to make sure that we use this bit here 2155bfcc09ddSBjoern A. Zeeb * only when IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL cannot be 2156bfcc09ddSBjoern A. Zeeb * used. */ 2157bfcc09ddSBjoern A. Zeeb if ((params->flags & 2158bfcc09ddSBjoern A. Zeeb NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) && 2159bfcc09ddSBjoern A. Zeeb !WARN_ON_ONCE(!iwl_mvm_is_adaptive_dwell_supported(mvm))) 2160bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_DEFER_SUPP; 2161bfcc09ddSBjoern A. Zeeb if ((params->flags & NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME)) 2162bfcc09ddSBjoern A. Zeeb flags |= IWL_UMAC_SCAN_GEN_FLAGS_MAX_CHNL_TIME; 2163bfcc09ddSBjoern A. Zeeb } 2164bfcc09ddSBjoern A. Zeeb 2165bfcc09ddSBjoern A. Zeeb return flags; 2166bfcc09ddSBjoern A. Zeeb } 2167bfcc09ddSBjoern A. Zeeb 2168bfcc09ddSBjoern A. Zeeb static int 2169bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_sched_params(struct iwl_mvm_scan_params *params, 2170bfcc09ddSBjoern A. Zeeb struct iwl_scan_umac_schedule *schedule, 2171bfcc09ddSBjoern A. Zeeb __le16 *delay) 2172bfcc09ddSBjoern A. Zeeb { 2173bfcc09ddSBjoern A. Zeeb int i; 2174bfcc09ddSBjoern A. Zeeb if (WARN_ON(!params->n_scan_plans || 2175bfcc09ddSBjoern A. Zeeb params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) 2176bfcc09ddSBjoern A. Zeeb return -EINVAL; 2177bfcc09ddSBjoern A. Zeeb 2178bfcc09ddSBjoern A. Zeeb for (i = 0; i < params->n_scan_plans; i++) { 2179bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_plan *scan_plan = 2180bfcc09ddSBjoern A. Zeeb ¶ms->scan_plans[i]; 2181bfcc09ddSBjoern A. Zeeb 2182bfcc09ddSBjoern A. Zeeb schedule[i].iter_count = scan_plan->iterations; 2183bfcc09ddSBjoern A. Zeeb schedule[i].interval = 2184bfcc09ddSBjoern A. Zeeb cpu_to_le16(scan_plan->interval); 2185bfcc09ddSBjoern A. Zeeb } 2186bfcc09ddSBjoern A. Zeeb 2187bfcc09ddSBjoern A. Zeeb /* 2188bfcc09ddSBjoern A. Zeeb * If the number of iterations of the last scan plan is set to 2189bfcc09ddSBjoern A. Zeeb * zero, it should run infinitely. However, this is not always the case. 2190bfcc09ddSBjoern A. Zeeb * For example, when regular scan is requested the driver sets one scan 2191bfcc09ddSBjoern A. Zeeb * plan with one iteration. 2192bfcc09ddSBjoern A. Zeeb */ 2193bfcc09ddSBjoern A. Zeeb if (!schedule[params->n_scan_plans - 1].iter_count) 2194bfcc09ddSBjoern A. Zeeb schedule[params->n_scan_plans - 1].iter_count = 0xff; 2195bfcc09ddSBjoern A. Zeeb 2196bfcc09ddSBjoern A. Zeeb *delay = cpu_to_le16(params->delay); 2197bfcc09ddSBjoern A. Zeeb 2198bfcc09ddSBjoern A. Zeeb return 0; 2199bfcc09ddSBjoern A. Zeeb } 2200bfcc09ddSBjoern A. Zeeb 2201bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2202bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2203bfcc09ddSBjoern A. Zeeb int type, int uid) 2204bfcc09ddSBjoern A. Zeeb { 2205bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac *cmd = mvm->scan_cmd; 2206bfcc09ddSBjoern A. Zeeb struct iwl_scan_umac_chan_param *chan_param; 2207bfcc09ddSBjoern A. Zeeb void *cmd_data = iwl_mvm_get_scan_req_umac_data(mvm); 2208d9836fb4SBjoern A. Zeeb void *sec_part = (u8 *)cmd_data + sizeof(struct iwl_scan_channel_cfg_umac) * 2209bfcc09ddSBjoern A. Zeeb mvm->fw->ucode_capa.n_scan_channels; 2210bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac_tail_v2 *tail_v2 = 2211bfcc09ddSBjoern A. Zeeb (struct iwl_scan_req_umac_tail_v2 *)sec_part; 2212bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac_tail_v1 *tail_v1; 2213bfcc09ddSBjoern A. Zeeb struct iwl_ssid_ie *direct_scan; 2214bfcc09ddSBjoern A. Zeeb int ret = 0; 2215bfcc09ddSBjoern A. Zeeb u32 ssid_bitmap = 0; 2216bfcc09ddSBjoern A. Zeeb u8 channel_flags = 0; 2217bfcc09ddSBjoern A. Zeeb u16 gen_flags; 2218bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif); 2219bfcc09ddSBjoern A. Zeeb 2220bfcc09ddSBjoern A. Zeeb chan_param = iwl_mvm_get_scan_req_umac_channel(mvm); 2221bfcc09ddSBjoern A. Zeeb 2222bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_dwell(mvm, cmd, params); 2223bfcc09ddSBjoern A. Zeeb 2224bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = type; 2225bfcc09ddSBjoern A. Zeeb 2226bfcc09ddSBjoern A. Zeeb cmd->uid = cpu_to_le32(uid); 2227bfcc09ddSBjoern A. Zeeb gen_flags = iwl_mvm_scan_umac_flags(mvm, params, vif); 2228bfcc09ddSBjoern A. Zeeb cmd->general_flags = cpu_to_le16(gen_flags); 2229bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) { 2230bfcc09ddSBjoern A. Zeeb if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED) 2231bfcc09ddSBjoern A. Zeeb cmd->v8.num_of_fragments[SCAN_LB_LMAC_IDX] = 2232bfcc09ddSBjoern A. Zeeb IWL_SCAN_NUM_OF_FRAGS; 2233bfcc09ddSBjoern A. Zeeb if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED) 2234bfcc09ddSBjoern A. Zeeb cmd->v8.num_of_fragments[SCAN_HB_LMAC_IDX] = 2235bfcc09ddSBjoern A. Zeeb IWL_SCAN_NUM_OF_FRAGS; 2236bfcc09ddSBjoern A. Zeeb 2237bfcc09ddSBjoern A. Zeeb cmd->v8.general_flags2 = 2238bfcc09ddSBjoern A. Zeeb IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER; 2239bfcc09ddSBjoern A. Zeeb } 2240bfcc09ddSBjoern A. Zeeb 2241bfcc09ddSBjoern A. Zeeb cmd->scan_start_mac_id = scan_vif->id; 2242bfcc09ddSBjoern A. Zeeb 2243bfcc09ddSBjoern A. Zeeb if (type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT) 2244bfcc09ddSBjoern A. Zeeb cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE); 2245bfcc09ddSBjoern A. Zeeb 2246bfcc09ddSBjoern A. Zeeb if (iwl_mvm_scan_use_ebs(mvm, vif)) { 2247bfcc09ddSBjoern A. Zeeb channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS | 2248bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | 2249bfcc09ddSBjoern A. Zeeb IWL_SCAN_CHANNEL_FLAG_CACHE_ADD; 2250bfcc09ddSBjoern A. Zeeb 2251bfcc09ddSBjoern A. Zeeb /* set fragmented ebs for fragmented scan on HB channels */ 2252bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_frag_ebs_supported(mvm)) { 2253bfcc09ddSBjoern A. Zeeb if (gen_flags & 2254bfcc09ddSBjoern A. Zeeb IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED || 2255bfcc09ddSBjoern A. Zeeb (!iwl_mvm_is_cdb_supported(mvm) && 2256bfcc09ddSBjoern A. Zeeb gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED)) 2257bfcc09ddSBjoern A. Zeeb channel_flags |= IWL_SCAN_CHANNEL_FLAG_EBS_FRAG; 2258bfcc09ddSBjoern A. Zeeb } 2259bfcc09ddSBjoern A. Zeeb } 2260bfcc09ddSBjoern A. Zeeb 2261bfcc09ddSBjoern A. Zeeb chan_param->flags = channel_flags; 2262bfcc09ddSBjoern A. Zeeb chan_param->count = params->n_channels; 2263bfcc09ddSBjoern A. Zeeb 2264bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_fill_scan_sched_params(params, tail_v2->schedule, 2265bfcc09ddSBjoern A. Zeeb &tail_v2->delay); 2266bfcc09ddSBjoern A. Zeeb if (ret) { 2267bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 2268bfcc09ddSBjoern A. Zeeb return ret; 2269bfcc09ddSBjoern A. Zeeb } 2270bfcc09ddSBjoern A. Zeeb 2271bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_ext_chan_supported(mvm)) { 2272bfcc09ddSBjoern A. Zeeb tail_v2->preq = params->preq; 2273bfcc09ddSBjoern A. Zeeb direct_scan = tail_v2->direct_scan; 2274bfcc09ddSBjoern A. Zeeb } else { 2275bfcc09ddSBjoern A. Zeeb tail_v1 = (struct iwl_scan_req_umac_tail_v1 *)sec_part; 2276bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_set_legacy_probe_req(&tail_v1->preq, 2277bfcc09ddSBjoern A. Zeeb ¶ms->preq); 2278bfcc09ddSBjoern A. Zeeb direct_scan = tail_v1->direct_scan; 2279bfcc09ddSBjoern A. Zeeb } 2280bfcc09ddSBjoern A. Zeeb iwl_scan_build_ssids(params, direct_scan, &ssid_bitmap); 2281bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels(mvm, params->channels, 2282bfcc09ddSBjoern A. Zeeb params->n_channels, ssid_bitmap, 2283bfcc09ddSBjoern A. Zeeb cmd_data); 2284bfcc09ddSBjoern A. Zeeb return 0; 2285bfcc09ddSBjoern A. Zeeb } 2286bfcc09ddSBjoern A. Zeeb 2287bfcc09ddSBjoern A. Zeeb static void 2288d9836fb4SBjoern A. Zeeb iwl_mvm_scan_umac_fill_general_p_v11(struct iwl_mvm *mvm, 2289bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2290bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2291d9836fb4SBjoern A. Zeeb struct iwl_scan_general_params_v11 *gp, 2292d9836fb4SBjoern A. Zeeb u16 gen_flags, u8 gen_flags2) 2293bfcc09ddSBjoern A. Zeeb { 2294bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif); 2295bfcc09ddSBjoern A. Zeeb 2296d9836fb4SBjoern A. Zeeb iwl_mvm_scan_umac_dwell_v11(mvm, gp, params); 2297d9836fb4SBjoern A. Zeeb 2298d9836fb4SBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Gerenal: flags=0x%x, flags2=0x%x\n", 2299d9836fb4SBjoern A. Zeeb gen_flags, gen_flags2); 2300bfcc09ddSBjoern A. Zeeb 2301bfcc09ddSBjoern A. Zeeb gp->flags = cpu_to_le16(gen_flags); 2302d9836fb4SBjoern A. Zeeb gp->flags2 = gen_flags2; 2303bfcc09ddSBjoern A. Zeeb 2304bfcc09ddSBjoern A. Zeeb if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1) 2305bfcc09ddSBjoern A. Zeeb gp->num_of_fragments[SCAN_LB_LMAC_IDX] = IWL_SCAN_NUM_OF_FRAGS; 2306bfcc09ddSBjoern A. Zeeb if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2) 2307bfcc09ddSBjoern A. Zeeb gp->num_of_fragments[SCAN_HB_LMAC_IDX] = IWL_SCAN_NUM_OF_FRAGS; 2308bfcc09ddSBjoern A. Zeeb 2309bfcc09ddSBjoern A. Zeeb gp->scan_start_mac_id = scan_vif->id; 2310bfcc09ddSBjoern A. Zeeb } 2311bfcc09ddSBjoern A. Zeeb 2312bfcc09ddSBjoern A. Zeeb static void 2313bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_probe_p_v3(struct iwl_mvm_scan_params *params, 2314bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_params_v3 *pp) 2315bfcc09ddSBjoern A. Zeeb { 2316bfcc09ddSBjoern A. Zeeb pp->preq = params->preq; 2317bfcc09ddSBjoern A. Zeeb pp->ssid_num = params->n_ssids; 2318bfcc09ddSBjoern A. Zeeb iwl_scan_build_ssids(params, pp->direct_scan, NULL); 2319bfcc09ddSBjoern A. Zeeb } 2320bfcc09ddSBjoern A. Zeeb 2321bfcc09ddSBjoern A. Zeeb static void 2322bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_probe_p_v4(struct iwl_mvm_scan_params *params, 2323bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_params_v4 *pp, 2324bfcc09ddSBjoern A. Zeeb u32 *bitmap_ssid) 2325bfcc09ddSBjoern A. Zeeb { 2326bfcc09ddSBjoern A. Zeeb pp->preq = params->preq; 2327bfcc09ddSBjoern A. Zeeb iwl_scan_build_ssids(params, pp->direct_scan, bitmap_ssid); 2328bfcc09ddSBjoern A. Zeeb } 2329bfcc09ddSBjoern A. Zeeb 2330bfcc09ddSBjoern A. Zeeb static void 2331bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_ch_p_v4(struct iwl_mvm *mvm, 2332bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2333bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2334bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_params_v4 *cp, 2335bfcc09ddSBjoern A. Zeeb u32 channel_cfg_flags) 2336bfcc09ddSBjoern A. Zeeb { 2337bfcc09ddSBjoern A. Zeeb cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif); 2338bfcc09ddSBjoern A. Zeeb cp->count = params->n_channels; 2339bfcc09ddSBjoern A. Zeeb cp->num_of_aps_override = IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY; 2340bfcc09ddSBjoern A. Zeeb 2341bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels_v4(mvm, params->channels, cp, 2342bfcc09ddSBjoern A. Zeeb params->n_channels, 2343bfcc09ddSBjoern A. Zeeb channel_cfg_flags, 2344bfcc09ddSBjoern A. Zeeb vif->type); 2345bfcc09ddSBjoern A. Zeeb } 2346bfcc09ddSBjoern A. Zeeb 2347bfcc09ddSBjoern A. Zeeb static void 2348bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_ch_p_v6(struct iwl_mvm *mvm, 2349bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2350bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2351bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_params_v6 *cp, 2352bfcc09ddSBjoern A. Zeeb u32 channel_cfg_flags) 2353bfcc09ddSBjoern A. Zeeb { 2354bfcc09ddSBjoern A. Zeeb cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif); 2355bfcc09ddSBjoern A. Zeeb cp->count = params->n_channels; 2356bfcc09ddSBjoern A. Zeeb cp->n_aps_override[0] = IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY; 2357bfcc09ddSBjoern A. Zeeb cp->n_aps_override[1] = IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS; 2358bfcc09ddSBjoern A. Zeeb 2359bfcc09ddSBjoern A. Zeeb iwl_mvm_umac_scan_cfg_channels_v6(mvm, params->channels, cp, 2360bfcc09ddSBjoern A. Zeeb params->n_channels, 2361bfcc09ddSBjoern A. Zeeb channel_cfg_flags, 2362bfcc09ddSBjoern A. Zeeb vif->type); 2363bfcc09ddSBjoern A. Zeeb 2364bfcc09ddSBjoern A. Zeeb if (params->enable_6ghz_passive) { 2365bfcc09ddSBjoern A. Zeeb struct ieee80211_supported_band *sband = 2366bfcc09ddSBjoern A. Zeeb &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 2367bfcc09ddSBjoern A. Zeeb u32 i; 2368bfcc09ddSBjoern A. Zeeb 2369bfcc09ddSBjoern A. Zeeb for (i = 0; i < sband->n_channels; i++) { 2370bfcc09ddSBjoern A. Zeeb struct ieee80211_channel *channel = 2371bfcc09ddSBjoern A. Zeeb &sband->channels[i]; 2372bfcc09ddSBjoern A. Zeeb 2373bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_cfg_umac *cfg = 2374bfcc09ddSBjoern A. Zeeb &cp->channel_config[cp->count]; 2375bfcc09ddSBjoern A. Zeeb 2376bfcc09ddSBjoern A. Zeeb if (!cfg80211_channel_is_psc(channel)) 2377bfcc09ddSBjoern A. Zeeb continue; 2378bfcc09ddSBjoern A. Zeeb 2379bfcc09ddSBjoern A. Zeeb cfg->flags = 0; 2380bfcc09ddSBjoern A. Zeeb cfg->v2.channel_num = channel->hw_value; 2381bfcc09ddSBjoern A. Zeeb cfg->v2.band = PHY_BAND_6; 2382bfcc09ddSBjoern A. Zeeb cfg->v2.iter_count = 1; 2383bfcc09ddSBjoern A. Zeeb cfg->v2.iter_interval = 0; 2384bfcc09ddSBjoern A. Zeeb cp->count++; 2385bfcc09ddSBjoern A. Zeeb } 2386bfcc09ddSBjoern A. Zeeb } 2387bfcc09ddSBjoern A. Zeeb } 2388bfcc09ddSBjoern A. Zeeb 2389bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_umac_v12(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2390bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, int type, 2391bfcc09ddSBjoern A. Zeeb int uid) 2392bfcc09ddSBjoern A. Zeeb { 2393bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_umac_v12 *cmd = mvm->scan_cmd; 2394bfcc09ddSBjoern A. Zeeb struct iwl_scan_req_params_v12 *scan_p = &cmd->scan_params; 2395bfcc09ddSBjoern A. Zeeb int ret; 2396bfcc09ddSBjoern A. Zeeb u16 gen_flags; 2397bfcc09ddSBjoern A. Zeeb 2398bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = type; 2399bfcc09ddSBjoern A. Zeeb 2400bfcc09ddSBjoern A. Zeeb cmd->ooc_priority = cpu_to_le32(iwl_mvm_scan_umac_ooc_priority(params)); 2401bfcc09ddSBjoern A. Zeeb cmd->uid = cpu_to_le32(uid); 2402bfcc09ddSBjoern A. Zeeb 2403bfcc09ddSBjoern A. Zeeb gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type); 2404d9836fb4SBjoern A. Zeeb iwl_mvm_scan_umac_fill_general_p_v11(mvm, params, vif, 2405bfcc09ddSBjoern A. Zeeb &scan_p->general_params, 2406d9836fb4SBjoern A. Zeeb gen_flags, 0); 2407bfcc09ddSBjoern A. Zeeb 2408bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_fill_scan_sched_params(params, 2409bfcc09ddSBjoern A. Zeeb scan_p->periodic_params.schedule, 2410bfcc09ddSBjoern A. Zeeb &scan_p->periodic_params.delay); 2411bfcc09ddSBjoern A. Zeeb if (ret) 2412bfcc09ddSBjoern A. Zeeb return ret; 2413bfcc09ddSBjoern A. Zeeb 2414bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_probe_p_v3(params, &scan_p->probe_params); 2415bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_ch_p_v4(mvm, params, vif, 2416bfcc09ddSBjoern A. Zeeb &scan_p->channel_params, 0); 2417bfcc09ddSBjoern A. Zeeb 2418bfcc09ddSBjoern A. Zeeb return 0; 2419bfcc09ddSBjoern A. Zeeb } 2420bfcc09ddSBjoern A. Zeeb 2421d9836fb4SBjoern A. Zeeb static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm, 2422d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif, 2423d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2424d9836fb4SBjoern A. Zeeb int type, int uid, u32 version) 2425bfcc09ddSBjoern A. Zeeb { 2426d9836fb4SBjoern A. Zeeb struct iwl_scan_req_umac_v15 *cmd = mvm->scan_cmd; 2427d9836fb4SBjoern A. Zeeb struct iwl_scan_req_params_v15 *scan_p = &cmd->scan_params; 2428bfcc09ddSBjoern A. Zeeb struct iwl_scan_channel_params_v6 *cp = &scan_p->channel_params; 2429bfcc09ddSBjoern A. Zeeb struct iwl_scan_probe_params_v4 *pb = &scan_p->probe_params; 2430bfcc09ddSBjoern A. Zeeb int ret; 2431bfcc09ddSBjoern A. Zeeb u16 gen_flags; 2432d9836fb4SBjoern A. Zeeb u8 gen_flags2; 2433bfcc09ddSBjoern A. Zeeb u32 bitmap_ssid = 0; 2434bfcc09ddSBjoern A. Zeeb 2435bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = type; 2436bfcc09ddSBjoern A. Zeeb 2437bfcc09ddSBjoern A. Zeeb cmd->ooc_priority = cpu_to_le32(iwl_mvm_scan_umac_ooc_priority(params)); 2438bfcc09ddSBjoern A. Zeeb cmd->uid = cpu_to_le32(uid); 2439bfcc09ddSBjoern A. Zeeb 2440bfcc09ddSBjoern A. Zeeb gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type); 2441d9836fb4SBjoern A. Zeeb 2442d9836fb4SBjoern A. Zeeb if (version >= 15) 2443d9836fb4SBjoern A. Zeeb gen_flags2 = iwl_mvm_scan_umac_flags2(mvm, params, vif, type); 2444d9836fb4SBjoern A. Zeeb else 2445d9836fb4SBjoern A. Zeeb gen_flags2 = 0; 2446d9836fb4SBjoern A. Zeeb 2447d9836fb4SBjoern A. Zeeb iwl_mvm_scan_umac_fill_general_p_v11(mvm, params, vif, 2448bfcc09ddSBjoern A. Zeeb &scan_p->general_params, 2449d9836fb4SBjoern A. Zeeb gen_flags, gen_flags2); 2450bfcc09ddSBjoern A. Zeeb 2451bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_fill_scan_sched_params(params, 2452bfcc09ddSBjoern A. Zeeb scan_p->periodic_params.schedule, 2453bfcc09ddSBjoern A. Zeeb &scan_p->periodic_params.delay); 2454bfcc09ddSBjoern A. Zeeb if (ret) 2455bfcc09ddSBjoern A. Zeeb return ret; 2456bfcc09ddSBjoern A. Zeeb 2457bfcc09ddSBjoern A. Zeeb if (!params->scan_6ghz) { 2458bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_probe_p_v4(params, &scan_p->probe_params, 2459bfcc09ddSBjoern A. Zeeb &bitmap_ssid); 2460bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_umac_fill_ch_p_v6(mvm, params, vif, 2461bfcc09ddSBjoern A. Zeeb &scan_p->channel_params, bitmap_ssid); 2462bfcc09ddSBjoern A. Zeeb 2463bfcc09ddSBjoern A. Zeeb return 0; 2464bfcc09ddSBjoern A. Zeeb } else { 2465bfcc09ddSBjoern A. Zeeb pb->preq = params->preq; 2466bfcc09ddSBjoern A. Zeeb } 2467bfcc09ddSBjoern A. Zeeb 2468bfcc09ddSBjoern A. Zeeb cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif); 2469bfcc09ddSBjoern A. Zeeb cp->n_aps_override[0] = IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY; 2470bfcc09ddSBjoern A. Zeeb cp->n_aps_override[1] = IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS; 2471bfcc09ddSBjoern A. Zeeb 2472d9836fb4SBjoern A. Zeeb iwl_mvm_umac_scan_fill_6g_chan_list(mvm, params, pb); 2473bfcc09ddSBjoern A. Zeeb 2474d9836fb4SBjoern A. Zeeb cp->count = iwl_mvm_umac_scan_cfg_channels_v6_6g(mvm, params, 2475bfcc09ddSBjoern A. Zeeb params->n_channels, 2476bfcc09ddSBjoern A. Zeeb pb, cp, vif->type); 2477d9836fb4SBjoern A. Zeeb if (!cp->count) { 2478d9836fb4SBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 2479d9836fb4SBjoern A. Zeeb return -EINVAL; 2480d9836fb4SBjoern A. Zeeb } 2481d9836fb4SBjoern A. Zeeb 2482bfcc09ddSBjoern A. Zeeb if (!params->n_ssids || 2483bfcc09ddSBjoern A. Zeeb (params->n_ssids == 1 && !params->ssids[0].ssid_len)) 2484bfcc09ddSBjoern A. Zeeb cp->flags |= IWL_SCAN_CHANNEL_FLAG_6G_PSC_NO_FILTER; 2485bfcc09ddSBjoern A. Zeeb 2486bfcc09ddSBjoern A. Zeeb return 0; 2487bfcc09ddSBjoern A. Zeeb } 2488bfcc09ddSBjoern A. Zeeb 2489d9836fb4SBjoern A. Zeeb static int iwl_mvm_scan_umac_v14(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2490d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_params *params, int type, 2491d9836fb4SBjoern A. Zeeb int uid) 2492d9836fb4SBjoern A. Zeeb { 2493d9836fb4SBjoern A. Zeeb return iwl_mvm_scan_umac_v14_and_above(mvm, vif, params, type, uid, 14); 2494d9836fb4SBjoern A. Zeeb } 2495d9836fb4SBjoern A. Zeeb 2496d9836fb4SBjoern A. Zeeb static int iwl_mvm_scan_umac_v15(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2497d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_params *params, int type, 2498d9836fb4SBjoern A. Zeeb int uid) 2499d9836fb4SBjoern A. Zeeb { 2500d9836fb4SBjoern A. Zeeb return iwl_mvm_scan_umac_v14_and_above(mvm, vif, params, type, uid, 15); 2501d9836fb4SBjoern A. Zeeb } 2502d9836fb4SBjoern A. Zeeb 2503bfcc09ddSBjoern A. Zeeb static int iwl_mvm_num_scans(struct iwl_mvm *mvm) 2504bfcc09ddSBjoern A. Zeeb { 2505bfcc09ddSBjoern A. Zeeb return hweight32(mvm->scan_status & IWL_MVM_SCAN_MASK); 2506bfcc09ddSBjoern A. Zeeb } 2507bfcc09ddSBjoern A. Zeeb 2508bfcc09ddSBjoern A. Zeeb static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) 2509bfcc09ddSBjoern A. Zeeb { 2510bfcc09ddSBjoern A. Zeeb bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, 2511bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 2512bfcc09ddSBjoern A. Zeeb 2513bfcc09ddSBjoern A. Zeeb /* This looks a bit arbitrary, but the idea is that if we run 2514bfcc09ddSBjoern A. Zeeb * out of possible simultaneous scans and the userspace is 2515bfcc09ddSBjoern A. Zeeb * trying to run a scan type that is already running, we 2516bfcc09ddSBjoern A. Zeeb * return -EBUSY. But if the userspace wants to start a 2517bfcc09ddSBjoern A. Zeeb * different type of scan, we stop the opposite type to make 2518bfcc09ddSBjoern A. Zeeb * space for the new request. The reason is backwards 2519bfcc09ddSBjoern A. Zeeb * compatibility with old wpa_supplicant that wouldn't stop a 2520bfcc09ddSBjoern A. Zeeb * scheduled scan before starting a normal scan. 2521bfcc09ddSBjoern A. Zeeb */ 2522bfcc09ddSBjoern A. Zeeb 2523bfcc09ddSBjoern A. Zeeb /* FW supports only a single periodic scan */ 2524bfcc09ddSBjoern A. Zeeb if ((type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT) && 2525bfcc09ddSBjoern A. Zeeb mvm->scan_status & (IWL_MVM_SCAN_SCHED | IWL_MVM_SCAN_NETDETECT)) 2526bfcc09ddSBjoern A. Zeeb return -EBUSY; 2527bfcc09ddSBjoern A. Zeeb 2528bfcc09ddSBjoern A. Zeeb if (iwl_mvm_num_scans(mvm) < mvm->max_scans) 2529bfcc09ddSBjoern A. Zeeb return 0; 2530bfcc09ddSBjoern A. Zeeb 2531bfcc09ddSBjoern A. Zeeb /* Use a switch, even though this is a bitmask, so that more 2532bfcc09ddSBjoern A. Zeeb * than one bits set will fall in default and we will warn. 2533bfcc09ddSBjoern A. Zeeb */ 2534bfcc09ddSBjoern A. Zeeb switch (type) { 2535bfcc09ddSBjoern A. Zeeb case IWL_MVM_SCAN_REGULAR: 2536bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_REGULAR_MASK) 2537bfcc09ddSBjoern A. Zeeb return -EBUSY; 2538bfcc09ddSBjoern A. Zeeb return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2539bfcc09ddSBjoern A. Zeeb case IWL_MVM_SCAN_SCHED: 2540bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_SCHED_MASK) 2541bfcc09ddSBjoern A. Zeeb return -EBUSY; 2542bfcc09ddSBjoern A. Zeeb return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2543bfcc09ddSBjoern A. Zeeb case IWL_MVM_SCAN_NETDETECT: 2544bfcc09ddSBjoern A. Zeeb /* For non-unified images, there's no need to stop 2545bfcc09ddSBjoern A. Zeeb * anything for net-detect since the firmware is 2546bfcc09ddSBjoern A. Zeeb * restarted anyway. This way, any sched scans that 2547bfcc09ddSBjoern A. Zeeb * were running will be restarted when we resume. 2548bfcc09ddSBjoern A. Zeeb */ 2549bfcc09ddSBjoern A. Zeeb if (!unified_image) 2550bfcc09ddSBjoern A. Zeeb return 0; 2551bfcc09ddSBjoern A. Zeeb 2552bfcc09ddSBjoern A. Zeeb /* If this is a unified image and we ran out of scans, 2553bfcc09ddSBjoern A. Zeeb * we need to stop something. Prefer stopping regular 2554bfcc09ddSBjoern A. Zeeb * scans, because the results are useless at this 2555bfcc09ddSBjoern A. Zeeb * point, and we should be able to keep running 2556bfcc09ddSBjoern A. Zeeb * another scheduled scan while suspended. 2557bfcc09ddSBjoern A. Zeeb */ 2558bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_REGULAR_MASK) 2559bfcc09ddSBjoern A. Zeeb return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, 2560bfcc09ddSBjoern A. Zeeb true); 2561bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_SCHED_MASK) 2562bfcc09ddSBjoern A. Zeeb return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, 2563bfcc09ddSBjoern A. Zeeb true); 2564bfcc09ddSBjoern A. Zeeb /* Something is wrong if no scan was running but we 2565bfcc09ddSBjoern A. Zeeb * ran out of scans. 2566bfcc09ddSBjoern A. Zeeb */ 2567bfcc09ddSBjoern A. Zeeb fallthrough; 2568bfcc09ddSBjoern A. Zeeb default: 2569bfcc09ddSBjoern A. Zeeb WARN_ON(1); 2570bfcc09ddSBjoern A. Zeeb break; 2571bfcc09ddSBjoern A. Zeeb } 2572bfcc09ddSBjoern A. Zeeb 2573bfcc09ddSBjoern A. Zeeb return -EIO; 2574bfcc09ddSBjoern A. Zeeb } 2575bfcc09ddSBjoern A. Zeeb 2576d9836fb4SBjoern A. Zeeb #define SCAN_TIMEOUT 30000 2577bfcc09ddSBjoern A. Zeeb 2578bfcc09ddSBjoern A. Zeeb void iwl_mvm_scan_timeout_wk(struct work_struct *work) 2579bfcc09ddSBjoern A. Zeeb { 2580bfcc09ddSBjoern A. Zeeb struct delayed_work *delayed_work = to_delayed_work(work); 2581bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = container_of(delayed_work, struct iwl_mvm, 2582bfcc09ddSBjoern A. Zeeb scan_timeout_dwork); 2583bfcc09ddSBjoern A. Zeeb 2584bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "regular scan timed out\n"); 2585bfcc09ddSBjoern A. Zeeb 2586bfcc09ddSBjoern A. Zeeb iwl_force_nmi(mvm->trans); 2587bfcc09ddSBjoern A. Zeeb } 2588bfcc09ddSBjoern A. Zeeb 2589bfcc09ddSBjoern A. Zeeb static void iwl_mvm_fill_scan_type(struct iwl_mvm *mvm, 2590bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2591bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 2592bfcc09ddSBjoern A. Zeeb { 2593bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 2594bfcc09ddSBjoern A. Zeeb params->type = 2595bfcc09ddSBjoern A. Zeeb iwl_mvm_get_scan_type_band(mvm, vif, 2596bfcc09ddSBjoern A. Zeeb NL80211_BAND_2GHZ); 2597bfcc09ddSBjoern A. Zeeb params->hb_type = 2598bfcc09ddSBjoern A. Zeeb iwl_mvm_get_scan_type_band(mvm, vif, 2599bfcc09ddSBjoern A. Zeeb NL80211_BAND_5GHZ); 2600bfcc09ddSBjoern A. Zeeb } else { 2601bfcc09ddSBjoern A. Zeeb params->type = iwl_mvm_get_scan_type(mvm, vif); 2602bfcc09ddSBjoern A. Zeeb } 2603bfcc09ddSBjoern A. Zeeb } 2604bfcc09ddSBjoern A. Zeeb 2605bfcc09ddSBjoern A. Zeeb struct iwl_scan_umac_handler { 2606bfcc09ddSBjoern A. Zeeb u8 version; 2607bfcc09ddSBjoern A. Zeeb int (*handler)(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2608bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, int type, int uid); 2609bfcc09ddSBjoern A. Zeeb }; 2610bfcc09ddSBjoern A. Zeeb 2611bfcc09ddSBjoern A. Zeeb #define IWL_SCAN_UMAC_HANDLER(_ver) { \ 2612bfcc09ddSBjoern A. Zeeb .version = _ver, \ 2613bfcc09ddSBjoern A. Zeeb .handler = iwl_mvm_scan_umac_v##_ver, \ 2614bfcc09ddSBjoern A. Zeeb } 2615bfcc09ddSBjoern A. Zeeb 2616bfcc09ddSBjoern A. Zeeb static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = { 2617bfcc09ddSBjoern A. Zeeb /* set the newest version first to shorten the list traverse time */ 2618d9836fb4SBjoern A. Zeeb IWL_SCAN_UMAC_HANDLER(15), 2619bfcc09ddSBjoern A. Zeeb IWL_SCAN_UMAC_HANDLER(14), 2620bfcc09ddSBjoern A. Zeeb IWL_SCAN_UMAC_HANDLER(12), 2621bfcc09ddSBjoern A. Zeeb }; 2622bfcc09ddSBjoern A. Zeeb 2623bfcc09ddSBjoern A. Zeeb static int iwl_mvm_build_scan_cmd(struct iwl_mvm *mvm, 2624bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2625bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd *hcmd, 2626bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2627bfcc09ddSBjoern A. Zeeb int type) 2628bfcc09ddSBjoern A. Zeeb { 2629bfcc09ddSBjoern A. Zeeb int uid, i, err; 2630bfcc09ddSBjoern A. Zeeb u8 scan_ver; 2631bfcc09ddSBjoern A. Zeeb 2632bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 2633bfcc09ddSBjoern A. Zeeb memset(mvm->scan_cmd, 0, ksize(mvm->scan_cmd)); 2634bfcc09ddSBjoern A. Zeeb 2635bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 2636bfcc09ddSBjoern A. Zeeb hcmd->id = SCAN_OFFLOAD_REQUEST_CMD; 2637bfcc09ddSBjoern A. Zeeb 2638bfcc09ddSBjoern A. Zeeb return iwl_mvm_scan_lmac(mvm, vif, params); 2639bfcc09ddSBjoern A. Zeeb } 2640bfcc09ddSBjoern A. Zeeb 2641bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_scan_uid_by_status(mvm, 0); 2642bfcc09ddSBjoern A. Zeeb if (uid < 0) 2643bfcc09ddSBjoern A. Zeeb return uid; 2644bfcc09ddSBjoern A. Zeeb 2645d9836fb4SBjoern A. Zeeb hcmd->id = WIDE_ID(IWL_ALWAYS_LONG_GROUP, SCAN_REQ_UMAC); 2646bfcc09ddSBjoern A. Zeeb 2647d9836fb4SBjoern A. Zeeb scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 2648bfcc09ddSBjoern A. Zeeb IWL_FW_CMD_VER_UNKNOWN); 2649bfcc09ddSBjoern A. Zeeb 2650bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(iwl_scan_umac_handlers); i++) { 2651bfcc09ddSBjoern A. Zeeb const struct iwl_scan_umac_handler *ver_handler = 2652bfcc09ddSBjoern A. Zeeb &iwl_scan_umac_handlers[i]; 2653bfcc09ddSBjoern A. Zeeb 2654bfcc09ddSBjoern A. Zeeb if (ver_handler->version != scan_ver) 2655bfcc09ddSBjoern A. Zeeb continue; 2656bfcc09ddSBjoern A. Zeeb 2657bfcc09ddSBjoern A. Zeeb return ver_handler->handler(mvm, vif, params, type, uid); 2658bfcc09ddSBjoern A. Zeeb } 2659bfcc09ddSBjoern A. Zeeb 2660bfcc09ddSBjoern A. Zeeb err = iwl_mvm_scan_umac(mvm, vif, params, type, uid); 2661bfcc09ddSBjoern A. Zeeb if (err) 2662bfcc09ddSBjoern A. Zeeb return err; 2663bfcc09ddSBjoern A. Zeeb 2664bfcc09ddSBjoern A. Zeeb return uid; 2665bfcc09ddSBjoern A. Zeeb } 2666bfcc09ddSBjoern A. Zeeb 2667d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_respect_p2p_go_iter_data { 2668d9836fb4SBjoern A. Zeeb struct ieee80211_vif *current_vif; 2669d9836fb4SBjoern A. Zeeb bool p2p_go; 2670d9836fb4SBjoern A. Zeeb enum nl80211_band band; 2671d9836fb4SBjoern A. Zeeb }; 2672d9836fb4SBjoern A. Zeeb 2673d9836fb4SBjoern A. Zeeb static void iwl_mvm_scan_respect_p2p_go_iter(void *_data, u8 *mac, 2674d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif) 2675d9836fb4SBjoern A. Zeeb { 2676d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_respect_p2p_go_iter_data *data = _data; 2677d9836fb4SBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2678d9836fb4SBjoern A. Zeeb 2679d9836fb4SBjoern A. Zeeb /* exclude the given vif */ 2680d9836fb4SBjoern A. Zeeb if (vif == data->current_vif) 2681d9836fb4SBjoern A. Zeeb return; 2682d9836fb4SBjoern A. Zeeb 2683d9836fb4SBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP && vif->p2p && 2684d9836fb4SBjoern A. Zeeb mvmvif->phy_ctxt->id < NUM_PHY_CTX && 2685d9836fb4SBjoern A. Zeeb (data->band == NUM_NL80211_BANDS || 2686d9836fb4SBjoern A. Zeeb mvmvif->phy_ctxt->channel->band == data->band)) 2687d9836fb4SBjoern A. Zeeb data->p2p_go = true; 2688d9836fb4SBjoern A. Zeeb } 2689d9836fb4SBjoern A. Zeeb 2690d9836fb4SBjoern A. Zeeb static bool _iwl_mvm_get_respect_p2p_go(struct iwl_mvm *mvm, 2691d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif, 2692d9836fb4SBjoern A. Zeeb bool low_latency, 2693d9836fb4SBjoern A. Zeeb enum nl80211_band band) 2694d9836fb4SBjoern A. Zeeb { 2695d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_respect_p2p_go_iter_data data = { 2696d9836fb4SBjoern A. Zeeb .current_vif = vif, 2697d9836fb4SBjoern A. Zeeb .p2p_go = false, 2698d9836fb4SBjoern A. Zeeb .band = band, 2699d9836fb4SBjoern A. Zeeb }; 2700d9836fb4SBjoern A. Zeeb 2701d9836fb4SBjoern A. Zeeb if (!low_latency) 2702d9836fb4SBjoern A. Zeeb return false; 2703d9836fb4SBjoern A. Zeeb 2704d9836fb4SBjoern A. Zeeb ieee80211_iterate_active_interfaces_atomic(mvm->hw, 2705d9836fb4SBjoern A. Zeeb IEEE80211_IFACE_ITER_NORMAL, 2706d9836fb4SBjoern A. Zeeb iwl_mvm_scan_respect_p2p_go_iter, 2707d9836fb4SBjoern A. Zeeb &data); 2708d9836fb4SBjoern A. Zeeb 2709d9836fb4SBjoern A. Zeeb return data.p2p_go; 2710d9836fb4SBjoern A. Zeeb } 2711d9836fb4SBjoern A. Zeeb 2712d9836fb4SBjoern A. Zeeb static bool iwl_mvm_get_respect_p2p_go_band(struct iwl_mvm *mvm, 2713d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif, 2714d9836fb4SBjoern A. Zeeb enum nl80211_band band) 2715d9836fb4SBjoern A. Zeeb { 2716d9836fb4SBjoern A. Zeeb bool low_latency = iwl_mvm_low_latency_band(mvm, band); 2717d9836fb4SBjoern A. Zeeb 2718d9836fb4SBjoern A. Zeeb return _iwl_mvm_get_respect_p2p_go(mvm, vif, low_latency, band); 2719d9836fb4SBjoern A. Zeeb } 2720d9836fb4SBjoern A. Zeeb 2721d9836fb4SBjoern A. Zeeb static bool iwl_mvm_get_respect_p2p_go(struct iwl_mvm *mvm, 2722d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif) 2723d9836fb4SBjoern A. Zeeb { 2724d9836fb4SBjoern A. Zeeb bool low_latency = iwl_mvm_low_latency(mvm); 2725d9836fb4SBjoern A. Zeeb 2726d9836fb4SBjoern A. Zeeb return _iwl_mvm_get_respect_p2p_go(mvm, vif, low_latency, 2727d9836fb4SBjoern A. Zeeb NUM_NL80211_BANDS); 2728d9836fb4SBjoern A. Zeeb } 2729d9836fb4SBjoern A. Zeeb 2730d9836fb4SBjoern A. Zeeb static void iwl_mvm_fill_respect_p2p_go(struct iwl_mvm *mvm, 2731d9836fb4SBjoern A. Zeeb struct iwl_mvm_scan_params *params, 2732d9836fb4SBjoern A. Zeeb struct ieee80211_vif *vif) 2733d9836fb4SBjoern A. Zeeb { 2734d9836fb4SBjoern A. Zeeb if (iwl_mvm_is_cdb_supported(mvm)) { 2735d9836fb4SBjoern A. Zeeb params->respect_p2p_go = 2736d9836fb4SBjoern A. Zeeb iwl_mvm_get_respect_p2p_go_band(mvm, vif, 2737d9836fb4SBjoern A. Zeeb NL80211_BAND_2GHZ); 2738d9836fb4SBjoern A. Zeeb params->respect_p2p_go_hb = 2739d9836fb4SBjoern A. Zeeb iwl_mvm_get_respect_p2p_go_band(mvm, vif, 2740d9836fb4SBjoern A. Zeeb NL80211_BAND_5GHZ); 2741d9836fb4SBjoern A. Zeeb } else { 2742d9836fb4SBjoern A. Zeeb params->respect_p2p_go = iwl_mvm_get_respect_p2p_go(mvm, vif); 2743d9836fb4SBjoern A. Zeeb } 2744d9836fb4SBjoern A. Zeeb } 2745d9836fb4SBjoern A. Zeeb 2746bfcc09ddSBjoern A. Zeeb int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2747bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_request *req, 2748bfcc09ddSBjoern A. Zeeb struct ieee80211_scan_ies *ies) 2749bfcc09ddSBjoern A. Zeeb { 2750bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd hcmd = { 2751bfcc09ddSBjoern A. Zeeb .len = { iwl_mvm_scan_size(mvm), }, 2752bfcc09ddSBjoern A. Zeeb .data = { mvm->scan_cmd, }, 2753bfcc09ddSBjoern A. Zeeb .dataflags = { IWL_HCMD_DFL_NOCOPY, }, 2754bfcc09ddSBjoern A. Zeeb }; 2755bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params params = {}; 2756bfcc09ddSBjoern A. Zeeb int ret, uid; 2757bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_plan scan_plan = { .iterations = 1 }; 2758bfcc09ddSBjoern A. Zeeb 2759bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 2760bfcc09ddSBjoern A. Zeeb 2761bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { 2762bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "scan while LAR regdomain is not set\n"); 2763bfcc09ddSBjoern A. Zeeb return -EBUSY; 2764bfcc09ddSBjoern A. Zeeb } 2765bfcc09ddSBjoern A. Zeeb 2766bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_check_running_scans(mvm, IWL_MVM_SCAN_REGULAR); 2767bfcc09ddSBjoern A. Zeeb if (ret) 2768bfcc09ddSBjoern A. Zeeb return ret; 2769bfcc09ddSBjoern A. Zeeb 2770bfcc09ddSBjoern A. Zeeb /* we should have failed registration if scan_cmd was NULL */ 2771bfcc09ddSBjoern A. Zeeb if (WARN_ON(!mvm->scan_cmd)) 2772bfcc09ddSBjoern A. Zeeb return -ENOMEM; 2773bfcc09ddSBjoern A. Zeeb 2774bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_scan_fits(mvm, req->n_ssids, ies, req->n_channels)) 2775bfcc09ddSBjoern A. Zeeb return -ENOBUFS; 2776bfcc09ddSBjoern A. Zeeb 2777bfcc09ddSBjoern A. Zeeb params.n_ssids = req->n_ssids; 2778bfcc09ddSBjoern A. Zeeb params.flags = req->flags; 2779bfcc09ddSBjoern A. Zeeb params.n_channels = req->n_channels; 2780bfcc09ddSBjoern A. Zeeb params.delay = 0; 2781bfcc09ddSBjoern A. Zeeb params.ssids = req->ssids; 2782bfcc09ddSBjoern A. Zeeb params.channels = req->channels; 2783bfcc09ddSBjoern A. Zeeb params.mac_addr = req->mac_addr; 2784bfcc09ddSBjoern A. Zeeb params.mac_addr_mask = req->mac_addr_mask; 2785bfcc09ddSBjoern A. Zeeb params.no_cck = req->no_cck; 2786bfcc09ddSBjoern A. Zeeb params.pass_all = true; 2787bfcc09ddSBjoern A. Zeeb params.n_match_sets = 0; 2788bfcc09ddSBjoern A. Zeeb params.match_sets = NULL; 2789bfcc09ddSBjoern A. Zeeb 2790bfcc09ddSBjoern A. Zeeb params.scan_plans = &scan_plan; 2791bfcc09ddSBjoern A. Zeeb params.n_scan_plans = 1; 2792bfcc09ddSBjoern A. Zeeb 2793bfcc09ddSBjoern A. Zeeb params.n_6ghz_params = req->n_6ghz_params; 2794bfcc09ddSBjoern A. Zeeb params.scan_6ghz_params = req->scan_6ghz_params; 2795bfcc09ddSBjoern A. Zeeb params.scan_6ghz = req->scan_6ghz; 2796bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_type(mvm, ¶ms, vif); 2797d9836fb4SBjoern A. Zeeb iwl_mvm_fill_respect_p2p_go(mvm, ¶ms, vif); 2798bfcc09ddSBjoern A. Zeeb 2799bfcc09ddSBjoern A. Zeeb if (req->duration) 2800bfcc09ddSBjoern A. Zeeb params.iter_notif = true; 2801bfcc09ddSBjoern A. Zeeb 2802bfcc09ddSBjoern A. Zeeb iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); 2803bfcc09ddSBjoern A. Zeeb 2804bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_6ghz_passive_scan(mvm, ¶ms, vif); 2805bfcc09ddSBjoern A. Zeeb 2806bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_build_scan_cmd(mvm, vif, &hcmd, ¶ms, 2807bfcc09ddSBjoern A. Zeeb IWL_MVM_SCAN_REGULAR); 2808bfcc09ddSBjoern A. Zeeb 2809bfcc09ddSBjoern A. Zeeb if (uid < 0) 2810bfcc09ddSBjoern A. Zeeb return uid; 2811bfcc09ddSBjoern A. Zeeb 2812bfcc09ddSBjoern A. Zeeb iwl_mvm_pause_tcm(mvm, false); 2813bfcc09ddSBjoern A. Zeeb 2814bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd(mvm, &hcmd); 2815bfcc09ddSBjoern A. Zeeb if (ret) { 2816bfcc09ddSBjoern A. Zeeb /* If the scan failed, it usually means that the FW was unable 2817bfcc09ddSBjoern A. Zeeb * to allocate the time events. Warn on it, but maybe we 2818bfcc09ddSBjoern A. Zeeb * should try to send the command again with different params. 2819bfcc09ddSBjoern A. Zeeb */ 2820bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Scan failed! ret %d\n", ret); 2821bfcc09ddSBjoern A. Zeeb iwl_mvm_resume_tcm(mvm); 2822bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 2823bfcc09ddSBjoern A. Zeeb return ret; 2824bfcc09ddSBjoern A. Zeeb } 2825bfcc09ddSBjoern A. Zeeb 2826bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n"); 2827bfcc09ddSBjoern A. Zeeb mvm->scan_status |= IWL_MVM_SCAN_REGULAR; 2828bfcc09ddSBjoern A. Zeeb mvm->scan_vif = iwl_mvm_vif_from_mac80211(vif); 2829bfcc09ddSBjoern A. Zeeb 2830bfcc09ddSBjoern A. Zeeb if (params.enable_6ghz_passive) 2831bfcc09ddSBjoern A. Zeeb mvm->last_6ghz_passive_scan_jiffies = jiffies; 2832bfcc09ddSBjoern A. Zeeb 2833bfcc09ddSBjoern A. Zeeb schedule_delayed_work(&mvm->scan_timeout_dwork, 2834bfcc09ddSBjoern A. Zeeb msecs_to_jiffies(SCAN_TIMEOUT)); 2835bfcc09ddSBjoern A. Zeeb 2836bfcc09ddSBjoern A. Zeeb return 0; 2837bfcc09ddSBjoern A. Zeeb } 2838bfcc09ddSBjoern A. Zeeb 2839bfcc09ddSBjoern A. Zeeb int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 2840bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2841bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_request *req, 2842bfcc09ddSBjoern A. Zeeb struct ieee80211_scan_ies *ies, 2843bfcc09ddSBjoern A. Zeeb int type) 2844bfcc09ddSBjoern A. Zeeb { 2845bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd hcmd = { 2846bfcc09ddSBjoern A. Zeeb .len = { iwl_mvm_scan_size(mvm), }, 2847bfcc09ddSBjoern A. Zeeb .data = { mvm->scan_cmd, }, 2848bfcc09ddSBjoern A. Zeeb .dataflags = { IWL_HCMD_DFL_NOCOPY, }, 2849bfcc09ddSBjoern A. Zeeb }; 2850bfcc09ddSBjoern A. Zeeb struct iwl_mvm_scan_params params = {}; 2851bfcc09ddSBjoern A. Zeeb int ret, uid; 2852bfcc09ddSBjoern A. Zeeb int i, j; 2853bfcc09ddSBjoern A. Zeeb bool non_psc_included = false; 2854bfcc09ddSBjoern A. Zeeb 2855bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 2856bfcc09ddSBjoern A. Zeeb 2857bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { 2858bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "sched-scan while LAR regdomain is not set\n"); 2859bfcc09ddSBjoern A. Zeeb return -EBUSY; 2860bfcc09ddSBjoern A. Zeeb } 2861bfcc09ddSBjoern A. Zeeb 2862bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_check_running_scans(mvm, type); 2863bfcc09ddSBjoern A. Zeeb if (ret) 2864bfcc09ddSBjoern A. Zeeb return ret; 2865bfcc09ddSBjoern A. Zeeb 2866bfcc09ddSBjoern A. Zeeb /* we should have failed registration if scan_cmd was NULL */ 2867bfcc09ddSBjoern A. Zeeb if (WARN_ON(!mvm->scan_cmd)) 2868bfcc09ddSBjoern A. Zeeb return -ENOMEM; 2869bfcc09ddSBjoern A. Zeeb 2870bfcc09ddSBjoern A. Zeeb 2871bfcc09ddSBjoern A. Zeeb params.n_ssids = req->n_ssids; 2872bfcc09ddSBjoern A. Zeeb params.flags = req->flags; 2873bfcc09ddSBjoern A. Zeeb params.n_channels = req->n_channels; 2874bfcc09ddSBjoern A. Zeeb params.ssids = req->ssids; 2875bfcc09ddSBjoern A. Zeeb params.channels = req->channels; 2876bfcc09ddSBjoern A. Zeeb params.mac_addr = req->mac_addr; 2877bfcc09ddSBjoern A. Zeeb params.mac_addr_mask = req->mac_addr_mask; 2878bfcc09ddSBjoern A. Zeeb params.no_cck = false; 2879bfcc09ddSBjoern A. Zeeb params.pass_all = iwl_mvm_scan_pass_all(mvm, req); 2880bfcc09ddSBjoern A. Zeeb params.n_match_sets = req->n_match_sets; 2881bfcc09ddSBjoern A. Zeeb params.match_sets = req->match_sets; 2882bfcc09ddSBjoern A. Zeeb if (!req->n_scan_plans) 2883bfcc09ddSBjoern A. Zeeb return -EINVAL; 2884bfcc09ddSBjoern A. Zeeb 2885bfcc09ddSBjoern A. Zeeb params.n_scan_plans = req->n_scan_plans; 2886bfcc09ddSBjoern A. Zeeb params.scan_plans = req->scan_plans; 2887bfcc09ddSBjoern A. Zeeb 2888bfcc09ddSBjoern A. Zeeb iwl_mvm_fill_scan_type(mvm, ¶ms, vif); 2889d9836fb4SBjoern A. Zeeb iwl_mvm_fill_respect_p2p_go(mvm, ¶ms, vif); 2890bfcc09ddSBjoern A. Zeeb 2891bfcc09ddSBjoern A. Zeeb /* In theory, LMAC scans can handle a 32-bit delay, but since 2892bfcc09ddSBjoern A. Zeeb * waiting for over 18 hours to start the scan is a bit silly 2893bfcc09ddSBjoern A. Zeeb * and to keep it aligned with UMAC scans (which only support 2894bfcc09ddSBjoern A. Zeeb * 16-bit delays), trim it down to 16-bits. 2895bfcc09ddSBjoern A. Zeeb */ 2896bfcc09ddSBjoern A. Zeeb if (req->delay > U16_MAX) { 2897bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 2898bfcc09ddSBjoern A. Zeeb "delay value is > 16-bits, set to max possible\n"); 2899bfcc09ddSBjoern A. Zeeb params.delay = U16_MAX; 2900bfcc09ddSBjoern A. Zeeb } else { 2901bfcc09ddSBjoern A. Zeeb params.delay = req->delay; 2902bfcc09ddSBjoern A. Zeeb } 2903bfcc09ddSBjoern A. Zeeb 2904bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_config_sched_scan_profiles(mvm, req); 2905bfcc09ddSBjoern A. Zeeb if (ret) 2906bfcc09ddSBjoern A. Zeeb return ret; 2907bfcc09ddSBjoern A. Zeeb 2908bfcc09ddSBjoern A. Zeeb iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); 2909bfcc09ddSBjoern A. Zeeb 2910bfcc09ddSBjoern A. Zeeb /* for 6 GHZ band only PSC channels need to be added */ 2911bfcc09ddSBjoern A. Zeeb for (i = 0; i < params.n_channels; i++) { 2912bfcc09ddSBjoern A. Zeeb struct ieee80211_channel *channel = params.channels[i]; 2913bfcc09ddSBjoern A. Zeeb 2914bfcc09ddSBjoern A. Zeeb if (channel->band == NL80211_BAND_6GHZ && 2915bfcc09ddSBjoern A. Zeeb !cfg80211_channel_is_psc(channel)) { 2916bfcc09ddSBjoern A. Zeeb non_psc_included = true; 2917bfcc09ddSBjoern A. Zeeb break; 2918bfcc09ddSBjoern A. Zeeb } 2919bfcc09ddSBjoern A. Zeeb } 2920bfcc09ddSBjoern A. Zeeb 2921bfcc09ddSBjoern A. Zeeb if (non_psc_included) { 2922bfcc09ddSBjoern A. Zeeb params.channels = kmemdup(params.channels, 2923bfcc09ddSBjoern A. Zeeb sizeof(params.channels[0]) * 2924bfcc09ddSBjoern A. Zeeb params.n_channels, 2925bfcc09ddSBjoern A. Zeeb GFP_KERNEL); 2926bfcc09ddSBjoern A. Zeeb if (!params.channels) 2927bfcc09ddSBjoern A. Zeeb return -ENOMEM; 2928bfcc09ddSBjoern A. Zeeb 2929bfcc09ddSBjoern A. Zeeb for (i = j = 0; i < params.n_channels; i++) { 2930bfcc09ddSBjoern A. Zeeb if (params.channels[i]->band == NL80211_BAND_6GHZ && 2931bfcc09ddSBjoern A. Zeeb !cfg80211_channel_is_psc(params.channels[i])) 2932bfcc09ddSBjoern A. Zeeb continue; 2933bfcc09ddSBjoern A. Zeeb params.channels[j++] = params.channels[i]; 2934bfcc09ddSBjoern A. Zeeb } 2935bfcc09ddSBjoern A. Zeeb params.n_channels = j; 2936bfcc09ddSBjoern A. Zeeb } 2937bfcc09ddSBjoern A. Zeeb 2938bfcc09ddSBjoern A. Zeeb if (non_psc_included && 2939bfcc09ddSBjoern A. Zeeb !iwl_mvm_scan_fits(mvm, req->n_ssids, ies, params.n_channels)) { 2940bfcc09ddSBjoern A. Zeeb kfree(params.channels); 2941bfcc09ddSBjoern A. Zeeb return -ENOBUFS; 2942bfcc09ddSBjoern A. Zeeb } 2943bfcc09ddSBjoern A. Zeeb 2944bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_build_scan_cmd(mvm, vif, &hcmd, ¶ms, type); 2945bfcc09ddSBjoern A. Zeeb 2946bfcc09ddSBjoern A. Zeeb if (non_psc_included) 2947bfcc09ddSBjoern A. Zeeb kfree(params.channels); 2948bfcc09ddSBjoern A. Zeeb if (uid < 0) 2949bfcc09ddSBjoern A. Zeeb return uid; 2950bfcc09ddSBjoern A. Zeeb 2951bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd(mvm, &hcmd); 2952bfcc09ddSBjoern A. Zeeb if (!ret) { 2953bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 2954bfcc09ddSBjoern A. Zeeb "Sched scan request was sent successfully\n"); 2955bfcc09ddSBjoern A. Zeeb mvm->scan_status |= type; 2956bfcc09ddSBjoern A. Zeeb } else { 2957bfcc09ddSBjoern A. Zeeb /* If the scan failed, it usually means that the FW was unable 2958bfcc09ddSBjoern A. Zeeb * to allocate the time events. Warn on it, but maybe we 2959bfcc09ddSBjoern A. Zeeb * should try to send the command again with different params. 2960bfcc09ddSBjoern A. Zeeb */ 2961bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Sched scan failed! ret %d\n", ret); 2962bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 2963bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 2964bfcc09ddSBjoern A. Zeeb } 2965bfcc09ddSBjoern A. Zeeb 2966bfcc09ddSBjoern A. Zeeb return ret; 2967bfcc09ddSBjoern A. Zeeb } 2968bfcc09ddSBjoern A. Zeeb 2969bfcc09ddSBjoern A. Zeeb void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 2970bfcc09ddSBjoern A. Zeeb struct iwl_rx_cmd_buffer *rxb) 2971bfcc09ddSBjoern A. Zeeb { 2972bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt = rxb_addr(rxb); 2973bfcc09ddSBjoern A. Zeeb struct iwl_umac_scan_complete *notif = (void *)pkt->data; 2974bfcc09ddSBjoern A. Zeeb u32 uid = __le32_to_cpu(notif->uid); 2975bfcc09ddSBjoern A. Zeeb bool aborted = (notif->status == IWL_SCAN_OFFLOAD_ABORTED); 2976bfcc09ddSBjoern A. Zeeb 2977bfcc09ddSBjoern A. Zeeb if (WARN_ON(!(mvm->scan_uid_status[uid] & mvm->scan_status))) 2978bfcc09ddSBjoern A. Zeeb return; 2979bfcc09ddSBjoern A. Zeeb 2980bfcc09ddSBjoern A. Zeeb /* if the scan is already stopping, we don't need to notify mac80211 */ 2981bfcc09ddSBjoern A. Zeeb if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) { 2982bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_info info = { 2983bfcc09ddSBjoern A. Zeeb .aborted = aborted, 2984bfcc09ddSBjoern A. Zeeb .scan_start_tsf = mvm->scan_start, 2985bfcc09ddSBjoern A. Zeeb }; 2986bfcc09ddSBjoern A. Zeeb 2987bfcc09ddSBjoern A. Zeeb memcpy(info.tsf_bssid, mvm->scan_vif->bssid, ETH_ALEN); 2988bfcc09ddSBjoern A. Zeeb ieee80211_scan_completed(mvm->hw, &info); 2989bfcc09ddSBjoern A. Zeeb mvm->scan_vif = NULL; 2990bfcc09ddSBjoern A. Zeeb cancel_delayed_work(&mvm->scan_timeout_dwork); 2991bfcc09ddSBjoern A. Zeeb iwl_mvm_resume_tcm(mvm); 2992bfcc09ddSBjoern A. Zeeb } else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) { 2993bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_stopped(mvm->hw); 2994bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 2995bfcc09ddSBjoern A. Zeeb } 2996bfcc09ddSBjoern A. Zeeb 2997bfcc09ddSBjoern A. Zeeb mvm->scan_status &= ~mvm->scan_uid_status[uid]; 2998bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 2999bfcc09ddSBjoern A. Zeeb "Scan completed, uid %u type %u, status %s, EBS status %s\n", 3000bfcc09ddSBjoern A. Zeeb uid, mvm->scan_uid_status[uid], 3001bfcc09ddSBjoern A. Zeeb notif->status == IWL_SCAN_OFFLOAD_COMPLETED ? 3002bfcc09ddSBjoern A. Zeeb "completed" : "aborted", 3003bfcc09ddSBjoern A. Zeeb iwl_mvm_ebs_status_str(notif->ebs_status)); 3004bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 3005bfcc09ddSBjoern A. Zeeb "Last line %d, Last iteration %d, Time from last iteration %d\n", 3006bfcc09ddSBjoern A. Zeeb notif->last_schedule, notif->last_iter, 3007bfcc09ddSBjoern A. Zeeb __le32_to_cpu(notif->time_from_last_iter)); 3008bfcc09ddSBjoern A. Zeeb 3009bfcc09ddSBjoern A. Zeeb if (notif->ebs_status != IWL_SCAN_EBS_SUCCESS && 3010bfcc09ddSBjoern A. Zeeb notif->ebs_status != IWL_SCAN_EBS_INACTIVE) 3011bfcc09ddSBjoern A. Zeeb mvm->last_ebs_successful = false; 3012bfcc09ddSBjoern A. Zeeb 3013bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 3014bfcc09ddSBjoern A. Zeeb } 3015bfcc09ddSBjoern A. Zeeb 3016bfcc09ddSBjoern A. Zeeb void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 3017bfcc09ddSBjoern A. Zeeb struct iwl_rx_cmd_buffer *rxb) 3018bfcc09ddSBjoern A. Zeeb { 3019bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt = rxb_addr(rxb); 3020bfcc09ddSBjoern A. Zeeb struct iwl_umac_scan_iter_complete_notif *notif = (void *)pkt->data; 3021bfcc09ddSBjoern A. Zeeb 3022bfcc09ddSBjoern A. Zeeb mvm->scan_start = le64_to_cpu(notif->start_tsf); 3023bfcc09ddSBjoern A. Zeeb 3024bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 3025bfcc09ddSBjoern A. Zeeb "UMAC Scan iteration complete: status=0x%x scanned_channels=%d\n", 3026bfcc09ddSBjoern A. Zeeb notif->status, notif->scanned_channels); 3027bfcc09ddSBjoern A. Zeeb 3028bfcc09ddSBjoern A. Zeeb if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_FOUND) { 3029bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Pass all scheduled scan results found\n"); 3030bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_results(mvm->hw); 3031bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED; 3032bfcc09ddSBjoern A. Zeeb } 3033bfcc09ddSBjoern A. Zeeb 3034bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, 3035bfcc09ddSBjoern A. Zeeb "UMAC Scan iteration complete: scan started at %llu (TSF)\n", 3036bfcc09ddSBjoern A. Zeeb mvm->scan_start); 3037bfcc09ddSBjoern A. Zeeb } 3038bfcc09ddSBjoern A. Zeeb 3039bfcc09ddSBjoern A. Zeeb static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type) 3040bfcc09ddSBjoern A. Zeeb { 3041bfcc09ddSBjoern A. Zeeb struct iwl_umac_scan_abort cmd = {}; 3042bfcc09ddSBjoern A. Zeeb int uid, ret; 3043bfcc09ddSBjoern A. Zeeb 3044bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 3045bfcc09ddSBjoern A. Zeeb 3046bfcc09ddSBjoern A. Zeeb /* We should always get a valid index here, because we already 3047bfcc09ddSBjoern A. Zeeb * checked that this type of scan was running in the generic 3048bfcc09ddSBjoern A. Zeeb * code. 3049bfcc09ddSBjoern A. Zeeb */ 3050bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_scan_uid_by_status(mvm, type); 3051bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(uid < 0)) 3052bfcc09ddSBjoern A. Zeeb return uid; 3053bfcc09ddSBjoern A. Zeeb 3054bfcc09ddSBjoern A. Zeeb cmd.uid = cpu_to_le32(uid); 3055bfcc09ddSBjoern A. Zeeb 3056bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Sending scan abort, uid %u\n", uid); 3057bfcc09ddSBjoern A. Zeeb 3058bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd_pdu(mvm, 3059d9836fb4SBjoern A. Zeeb WIDE_ID(IWL_ALWAYS_LONG_GROUP, SCAN_ABORT_UMAC), 3060bfcc09ddSBjoern A. Zeeb 0, sizeof(cmd), &cmd); 3061bfcc09ddSBjoern A. Zeeb if (!ret) 3062bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = type << IWL_MVM_SCAN_STOPPING_SHIFT; 3063bfcc09ddSBjoern A. Zeeb 3064bfcc09ddSBjoern A. Zeeb return ret; 3065bfcc09ddSBjoern A. Zeeb } 3066bfcc09ddSBjoern A. Zeeb 3067bfcc09ddSBjoern A. Zeeb static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) 3068bfcc09ddSBjoern A. Zeeb { 3069bfcc09ddSBjoern A. Zeeb struct iwl_notification_wait wait_scan_done; 3070bfcc09ddSBjoern A. Zeeb static const u16 scan_done_notif[] = { SCAN_COMPLETE_UMAC, 3071bfcc09ddSBjoern A. Zeeb SCAN_OFFLOAD_COMPLETE, }; 3072bfcc09ddSBjoern A. Zeeb int ret; 3073bfcc09ddSBjoern A. Zeeb 3074bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 3075bfcc09ddSBjoern A. Zeeb 3076bfcc09ddSBjoern A. Zeeb iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done, 3077bfcc09ddSBjoern A. Zeeb scan_done_notif, 3078bfcc09ddSBjoern A. Zeeb ARRAY_SIZE(scan_done_notif), 3079bfcc09ddSBjoern A. Zeeb NULL, NULL); 3080bfcc09ddSBjoern A. Zeeb 3081bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "Preparing to stop scan, type %x\n", type); 3082bfcc09ddSBjoern A. Zeeb 3083bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 3084bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_umac_scan_abort(mvm, type); 3085bfcc09ddSBjoern A. Zeeb else 3086bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_lmac_scan_abort(mvm); 3087bfcc09ddSBjoern A. Zeeb 3088bfcc09ddSBjoern A. Zeeb if (ret) { 3089bfcc09ddSBjoern A. Zeeb IWL_DEBUG_SCAN(mvm, "couldn't stop scan type %d\n", type); 3090bfcc09ddSBjoern A. Zeeb iwl_remove_notification(&mvm->notif_wait, &wait_scan_done); 3091bfcc09ddSBjoern A. Zeeb return ret; 3092bfcc09ddSBjoern A. Zeeb } 3093bfcc09ddSBjoern A. Zeeb 3094bfcc09ddSBjoern A. Zeeb return iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 3095bfcc09ddSBjoern A. Zeeb 1 * HZ); 3096bfcc09ddSBjoern A. Zeeb } 3097bfcc09ddSBjoern A. Zeeb 3098bfcc09ddSBjoern A. Zeeb static int iwl_scan_req_umac_get_size(u8 scan_ver) 3099bfcc09ddSBjoern A. Zeeb { 3100bfcc09ddSBjoern A. Zeeb switch (scan_ver) { 3101d9836fb4SBjoern A. Zeeb case 12: 3102d9836fb4SBjoern A. Zeeb return sizeof(struct iwl_scan_req_umac_v12); 3103d9836fb4SBjoern A. Zeeb case 14: 3104d9836fb4SBjoern A. Zeeb case 15: 3105d9836fb4SBjoern A. Zeeb return sizeof(struct iwl_scan_req_umac_v15); 3106bfcc09ddSBjoern A. Zeeb } 3107bfcc09ddSBjoern A. Zeeb 3108bfcc09ddSBjoern A. Zeeb return 0; 3109bfcc09ddSBjoern A. Zeeb } 3110bfcc09ddSBjoern A. Zeeb 3111bfcc09ddSBjoern A. Zeeb int iwl_mvm_scan_size(struct iwl_mvm *mvm) 3112bfcc09ddSBjoern A. Zeeb { 3113bfcc09ddSBjoern A. Zeeb int base_size, tail_size; 3114d9836fb4SBjoern A. Zeeb u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 3115bfcc09ddSBjoern A. Zeeb IWL_FW_CMD_VER_UNKNOWN); 3116bfcc09ddSBjoern A. Zeeb 3117bfcc09ddSBjoern A. Zeeb base_size = iwl_scan_req_umac_get_size(scan_ver); 3118bfcc09ddSBjoern A. Zeeb if (base_size) 3119bfcc09ddSBjoern A. Zeeb return base_size; 3120bfcc09ddSBjoern A. Zeeb 3121bfcc09ddSBjoern A. Zeeb 3122bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) 3123bfcc09ddSBjoern A. Zeeb base_size = IWL_SCAN_REQ_UMAC_SIZE_V8; 3124bfcc09ddSBjoern A. Zeeb else if (iwl_mvm_is_adaptive_dwell_supported(mvm)) 3125bfcc09ddSBjoern A. Zeeb base_size = IWL_SCAN_REQ_UMAC_SIZE_V7; 3126bfcc09ddSBjoern A. Zeeb else if (iwl_mvm_cdb_scan_api(mvm)) 3127bfcc09ddSBjoern A. Zeeb base_size = IWL_SCAN_REQ_UMAC_SIZE_V6; 3128bfcc09ddSBjoern A. Zeeb else 3129bfcc09ddSBjoern A. Zeeb base_size = IWL_SCAN_REQ_UMAC_SIZE_V1; 3130bfcc09ddSBjoern A. Zeeb 3131bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 3132bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_scan_ext_chan_supported(mvm)) 3133bfcc09ddSBjoern A. Zeeb tail_size = sizeof(struct iwl_scan_req_umac_tail_v2); 3134bfcc09ddSBjoern A. Zeeb else 3135bfcc09ddSBjoern A. Zeeb tail_size = sizeof(struct iwl_scan_req_umac_tail_v1); 3136bfcc09ddSBjoern A. Zeeb 3137bfcc09ddSBjoern A. Zeeb return base_size + 3138bfcc09ddSBjoern A. Zeeb sizeof(struct iwl_scan_channel_cfg_umac) * 3139bfcc09ddSBjoern A. Zeeb mvm->fw->ucode_capa.n_scan_channels + 3140bfcc09ddSBjoern A. Zeeb tail_size; 3141bfcc09ddSBjoern A. Zeeb } 3142bfcc09ddSBjoern A. Zeeb return sizeof(struct iwl_scan_req_lmac) + 3143bfcc09ddSBjoern A. Zeeb sizeof(struct iwl_scan_channel_cfg_lmac) * 3144bfcc09ddSBjoern A. Zeeb mvm->fw->ucode_capa.n_scan_channels + 3145bfcc09ddSBjoern A. Zeeb sizeof(struct iwl_scan_probe_req_v1); 3146bfcc09ddSBjoern A. Zeeb } 3147bfcc09ddSBjoern A. Zeeb 3148bfcc09ddSBjoern A. Zeeb /* 3149bfcc09ddSBjoern A. Zeeb * This function is used in nic restart flow, to inform mac80211 about scans 3150bfcc09ddSBjoern A. Zeeb * that was aborted by restart flow or by an assert. 3151bfcc09ddSBjoern A. Zeeb */ 3152bfcc09ddSBjoern A. Zeeb void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) 3153bfcc09ddSBjoern A. Zeeb { 3154bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 3155bfcc09ddSBjoern A. Zeeb int uid, i; 3156bfcc09ddSBjoern A. Zeeb 3157bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_REGULAR); 3158bfcc09ddSBjoern A. Zeeb if (uid >= 0) { 3159bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_info info = { 3160bfcc09ddSBjoern A. Zeeb .aborted = true, 3161bfcc09ddSBjoern A. Zeeb }; 3162bfcc09ddSBjoern A. Zeeb 3163bfcc09ddSBjoern A. Zeeb cancel_delayed_work(&mvm->scan_timeout_dwork); 3164bfcc09ddSBjoern A. Zeeb 3165bfcc09ddSBjoern A. Zeeb ieee80211_scan_completed(mvm->hw, &info); 3166bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 3167bfcc09ddSBjoern A. Zeeb } 3168bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED); 3169bfcc09ddSBjoern A. Zeeb if (uid >= 0) { 3170bfcc09ddSBjoern A. Zeeb /* Sched scan will be restarted by mac80211 in 3171bfcc09ddSBjoern A. Zeeb * restart_hw, so do not report if FW is about to be 3172bfcc09ddSBjoern A. Zeeb * restarted. 3173bfcc09ddSBjoern A. Zeeb */ 3174bfcc09ddSBjoern A. Zeeb if (!mvm->fw_restart) 3175bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_stopped(mvm->hw); 3176bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 3177bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 3178bfcc09ddSBjoern A. Zeeb } 3179bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_scan_uid_by_status(mvm, 3180bfcc09ddSBjoern A. Zeeb IWL_MVM_SCAN_STOPPING_REGULAR); 3181bfcc09ddSBjoern A. Zeeb if (uid >= 0) 3182bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 3183bfcc09ddSBjoern A. Zeeb 3184bfcc09ddSBjoern A. Zeeb uid = iwl_mvm_scan_uid_by_status(mvm, 3185bfcc09ddSBjoern A. Zeeb IWL_MVM_SCAN_STOPPING_SCHED); 3186bfcc09ddSBjoern A. Zeeb if (uid >= 0) 3187bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[uid] = 0; 3188bfcc09ddSBjoern A. Zeeb 3189bfcc09ddSBjoern A. Zeeb /* We shouldn't have any UIDs still set. Loop over all the 3190bfcc09ddSBjoern A. Zeeb * UIDs to make sure there's nothing left there and warn if 3191bfcc09ddSBjoern A. Zeeb * any is found. 3192bfcc09ddSBjoern A. Zeeb */ 3193bfcc09ddSBjoern A. Zeeb for (i = 0; i < mvm->max_scans; i++) { 3194bfcc09ddSBjoern A. Zeeb if (WARN_ONCE(mvm->scan_uid_status[i], 3195bfcc09ddSBjoern A. Zeeb "UMAC scan UID %d status was not cleaned\n", 3196bfcc09ddSBjoern A. Zeeb i)) 3197bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[i] = 0; 3198bfcc09ddSBjoern A. Zeeb } 3199bfcc09ddSBjoern A. Zeeb } else { 3200bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { 3201bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_info info = { 3202bfcc09ddSBjoern A. Zeeb .aborted = true, 3203bfcc09ddSBjoern A. Zeeb }; 3204bfcc09ddSBjoern A. Zeeb 3205bfcc09ddSBjoern A. Zeeb cancel_delayed_work(&mvm->scan_timeout_dwork); 3206bfcc09ddSBjoern A. Zeeb ieee80211_scan_completed(mvm->hw, &info); 3207bfcc09ddSBjoern A. Zeeb } 3208bfcc09ddSBjoern A. Zeeb 3209bfcc09ddSBjoern A. Zeeb /* Sched scan will be restarted by mac80211 in 3210bfcc09ddSBjoern A. Zeeb * restart_hw, so do not report if FW is about to be 3211bfcc09ddSBjoern A. Zeeb * restarted. 3212bfcc09ddSBjoern A. Zeeb */ 3213bfcc09ddSBjoern A. Zeeb if ((mvm->scan_status & IWL_MVM_SCAN_SCHED) && 3214bfcc09ddSBjoern A. Zeeb !mvm->fw_restart) { 3215bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_stopped(mvm->hw); 3216bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 3217bfcc09ddSBjoern A. Zeeb } 3218bfcc09ddSBjoern A. Zeeb } 3219bfcc09ddSBjoern A. Zeeb } 3220bfcc09ddSBjoern A. Zeeb 3221bfcc09ddSBjoern A. Zeeb int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify) 3222bfcc09ddSBjoern A. Zeeb { 3223bfcc09ddSBjoern A. Zeeb int ret; 3224bfcc09ddSBjoern A. Zeeb 3225bfcc09ddSBjoern A. Zeeb if (!(mvm->scan_status & type)) 3226bfcc09ddSBjoern A. Zeeb return 0; 3227bfcc09ddSBjoern A. Zeeb 3228bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_radio_killed(mvm)) { 3229bfcc09ddSBjoern A. Zeeb ret = 0; 3230bfcc09ddSBjoern A. Zeeb goto out; 3231bfcc09ddSBjoern A. Zeeb } 3232bfcc09ddSBjoern A. Zeeb 3233bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_scan_stop_wait(mvm, type); 3234bfcc09ddSBjoern A. Zeeb if (!ret) 3235bfcc09ddSBjoern A. Zeeb mvm->scan_status |= type << IWL_MVM_SCAN_STOPPING_SHIFT; 3236bfcc09ddSBjoern A. Zeeb out: 3237bfcc09ddSBjoern A. Zeeb /* Clear the scan status so the next scan requests will 3238bfcc09ddSBjoern A. Zeeb * succeed and mark the scan as stopping, so that the Rx 3239bfcc09ddSBjoern A. Zeeb * handler doesn't do anything, as the scan was stopped from 3240bfcc09ddSBjoern A. Zeeb * above. 3241bfcc09ddSBjoern A. Zeeb */ 3242bfcc09ddSBjoern A. Zeeb mvm->scan_status &= ~type; 3243bfcc09ddSBjoern A. Zeeb 3244bfcc09ddSBjoern A. Zeeb if (type == IWL_MVM_SCAN_REGULAR) { 3245bfcc09ddSBjoern A. Zeeb cancel_delayed_work(&mvm->scan_timeout_dwork); 3246bfcc09ddSBjoern A. Zeeb if (notify) { 3247bfcc09ddSBjoern A. Zeeb struct cfg80211_scan_info info = { 3248bfcc09ddSBjoern A. Zeeb .aborted = true, 3249bfcc09ddSBjoern A. Zeeb }; 3250bfcc09ddSBjoern A. Zeeb 3251bfcc09ddSBjoern A. Zeeb ieee80211_scan_completed(mvm->hw, &info); 3252bfcc09ddSBjoern A. Zeeb } 3253bfcc09ddSBjoern A. Zeeb } else if (notify) { 3254bfcc09ddSBjoern A. Zeeb ieee80211_sched_scan_stopped(mvm->hw); 3255bfcc09ddSBjoern A. Zeeb mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; 3256bfcc09ddSBjoern A. Zeeb } 3257bfcc09ddSBjoern A. Zeeb 3258bfcc09ddSBjoern A. Zeeb return ret; 3259bfcc09ddSBjoern A. Zeeb } 3260