// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2012-2014, 2018-2024 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ #include <linux/etherdevice.h> #include <net/mac80211.h> #include <linux/crc32.h> #include "mvm.h" #include "fw/api/scan.h" #include "iwl-io.h" #define IWL_DENSE_EBS_SCAN_RATIO … #define IWL_SPARSE_EBS_SCAN_RATIO … #define IWL_SCAN_DWELL_ACTIVE … #define IWL_SCAN_DWELL_PASSIVE … #define IWL_SCAN_DWELL_FRAGMENTED … #define IWL_SCAN_DWELL_EXTENDED … #define IWL_SCAN_NUM_OF_FRAGS … /* adaptive dwell max budget time [TU] for full scan */ #define IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN … /* adaptive dwell max budget time [TU] for directed scan */ #define IWL_SCAN_ADWELL_MAX_BUDGET_DIRECTED_SCAN … /* adaptive dwell default high band APs number */ #define IWL_SCAN_ADWELL_DEFAULT_HB_N_APS … /* adaptive dwell default low band APs number */ #define IWL_SCAN_ADWELL_DEFAULT_LB_N_APS … /* adaptive dwell default APs number in social channels (1, 6, 11) */ #define IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL … /* number of scan channels */ #define IWL_SCAN_NUM_CHANNELS … /* adaptive dwell number of APs override mask for p2p friendly GO */ #define IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY_BIT … /* adaptive dwell number of APs override mask for social channels */ #define IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS_BIT … /* adaptive dwell number of APs override for p2p friendly GO channels */ #define IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY … /* adaptive dwell number of APs override for social channels */ #define IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS … /* minimal number of 2GHz and 5GHz channels in the regular scan request */ #define IWL_MVM_6GHZ_PASSIVE_SCAN_MIN_CHANS … /* Number of iterations on the channel for mei filtered scan */ #define IWL_MEI_SCAN_NUM_ITER … struct iwl_mvm_scan_timing_params { … }; static struct iwl_mvm_scan_timing_params scan_timing[] = …; struct iwl_mvm_scan_params { … }; static inline void *iwl_mvm_get_scan_req_umac_data(struct iwl_mvm *mvm) { … } static inline struct iwl_scan_umac_chan_param * iwl_mvm_get_scan_req_umac_channel(struct iwl_mvm *mvm) { … } static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm) { … } static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) { … } static inline __le32 iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum nl80211_band band, bool no_cck) { … } static enum iwl_mvm_traffic_load iwl_mvm_get_traffic_load(struct iwl_mvm *mvm) { … } static enum iwl_mvm_traffic_load iwl_mvm_get_traffic_load_band(struct iwl_mvm *mvm, enum nl80211_band band) { … } struct iwl_mvm_scan_iter_data { … }; static void iwl_mvm_scan_iterator(void *_data, u8 *mac, struct ieee80211_vif *vif) { … } static enum iwl_mvm_scan_type _iwl_mvm_get_scan_type(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum iwl_mvm_traffic_load load, bool low_latency) { … } static enum iwl_mvm_scan_type iwl_mvm_get_scan_type(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { … } static enum iwl_mvm_scan_type iwl_mvm_get_scan_type_band(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum nl80211_band band) { … } static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm) { … } static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm) { … } int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm) { … } void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { … } void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { … } static const char *iwl_mvm_ebs_status_str(enum iwl_scan_ebs_status status) { … } void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { … } static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) { … } /* We insert the SSIDs in an inverted order, because the FW will * invert it back. */ static void iwl_scan_build_ssids(struct iwl_mvm_scan_params *params, struct iwl_ssid_ie *ssids, u32 *ssid_bitmap) { … } static int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req) { … } static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req) { … } static int iwl_mvm_lmac_scan_abort(struct iwl_mvm *mvm) { … } static void iwl_mvm_scan_fill_tx_cmd(struct iwl_mvm *mvm, struct iwl_scan_req_tx_cmd *tx_cmd, bool no_cck) { … } static void iwl_mvm_lmac_scan_cfg_channels(struct iwl_mvm *mvm, struct ieee80211_channel **channels, int n_channels, u32 ssid_bitmap, struct iwl_scan_req_lmac *cmd) { … } static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies, size_t len, u8 *const pos) { … } #define WFA_TPC_IE_LEN … static void iwl_mvm_add_tpc_report_ie(u8 *pos) { … } static void iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_scan_ies *ies, struct iwl_mvm_scan_params *params) { … } static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm, struct iwl_scan_req_lmac *cmd, struct iwl_mvm_scan_params *params) { … } static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids, struct ieee80211_scan_ies *ies, int n_channels) { … } static inline bool iwl_mvm_scan_use_ebs(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { … } static inline bool iwl_mvm_is_regular_scan(struct iwl_mvm_scan_params *params) { … } static bool iwl_mvm_is_scan_fragmented(enum iwl_mvm_scan_type type) { … } static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) { … } static void iwl_mvm_scan_set_legacy_probe_req(struct iwl_scan_probe_req_v1 *p_req, struct iwl_scan_probe_req *src_p_req) { … } static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params) { … } static int rate_to_scan_rate_flag(unsigned int rate) { … } static __le32 iwl_mvm_scan_config_rates(struct iwl_mvm *mvm) { … } static void iwl_mvm_fill_scan_dwell(struct iwl_mvm *mvm, struct iwl_scan_dwell *dwell) { … } static void iwl_mvm_fill_channels(struct iwl_mvm *mvm, u8 *channels, u32 max_channels) { … } static void iwl_mvm_fill_scan_config_v1(struct iwl_mvm *mvm, void *config, u32 flags, u8 channel_flags, u32 max_channels) { … } static void iwl_mvm_fill_scan_config_v2(struct iwl_mvm *mvm, void *config, u32 flags, u8 channel_flags, u32 max_channels) { … } static int iwl_mvm_legacy_config_scan(struct iwl_mvm *mvm) { … } int iwl_mvm_config_scan(struct iwl_mvm *mvm) { … } static int iwl_mvm_scan_uid_by_status(struct iwl_mvm *mvm, int status) { … } static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, struct iwl_scan_req_umac *cmd, struct iwl_mvm_scan_params *params) { … } static u32 iwl_mvm_scan_umac_ooc_priority(int type) { … } static void iwl_mvm_scan_umac_dwell_v11(struct iwl_mvm *mvm, struct iwl_scan_general_params_v11 *general_params, struct iwl_mvm_scan_params *params) { … } struct iwl_mvm_scan_channel_segment { … }; static const struct iwl_mvm_scan_channel_segment scan_channel_segments[] = …; static int iwl_mvm_scan_ch_and_band_to_idx(u8 channel_id, u8 band) { … } static const u8 p2p_go_friendly_chs[] = …; static const u8 social_chs[] = …; static void iwl_mvm_scan_ch_add_n_aps_override(enum nl80211_iftype vif_type, u8 ch_id, u8 band, u8 *ch_bitmap, size_t bitmap_n_entries) { … } static u32 iwl_mvm_scan_ch_n_aps_flag(enum nl80211_iftype vif_type, u8 ch_id) { … } static void iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm, struct ieee80211_channel **channels, int n_channels, u32 flags, struct iwl_scan_channel_cfg_umac *channel_cfg) { … } static void iwl_mvm_umac_scan_cfg_channels_v4(struct iwl_mvm *mvm, struct ieee80211_channel **channels, struct iwl_scan_channel_params_v4 *cp, int n_channels, u32 flags, enum nl80211_iftype vif_type) { … } static void iwl_mvm_umac_scan_cfg_channels_v7(struct iwl_mvm *mvm, struct ieee80211_channel **channels, struct iwl_scan_channel_params_v7 *cp, int n_channels, u32 flags, enum nl80211_iftype vif_type, u32 version) { … } static void iwl_mvm_umac_scan_fill_6g_chan_list(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct iwl_scan_probe_params_v4 *pp) { … } /* TODO: this function can be merged with iwl_mvm_scan_umac_fill_ch_p_v7 */ static u32 iwl_mvm_umac_scan_cfg_channels_v7_6g(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, u32 n_channels, struct iwl_scan_probe_params_v4 *pp, struct iwl_scan_channel_params_v7 *cp, enum nl80211_iftype vif_type, u32 version) { … } static u8 iwl_mvm_scan_umac_chan_flags_v2(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) { … } static void iwl_mvm_scan_6ghz_passive_scan(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) { … } static u16 iwl_mvm_scan_umac_flags_v2(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif, int type) { … } static u8 iwl_mvm_scan_umac_flags2(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif, int type, u16 gen_flags) { … } static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) { … } static int iwl_mvm_fill_scan_sched_params(struct iwl_mvm_scan_params *params, struct iwl_scan_umac_schedule *schedule, __le16 *delay) { … } static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid) { … } static void iwl_mvm_scan_umac_fill_general_p_v12(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif, struct iwl_scan_general_params_v11 *gp, u16 gen_flags, u8 gen_flags2, u32 version) { … } static void iwl_mvm_scan_umac_fill_probe_p_v3(struct iwl_mvm_scan_params *params, struct iwl_scan_probe_params_v3 *pp) { … } static void iwl_mvm_scan_umac_fill_probe_p_v4(struct iwl_mvm_scan_params *params, struct iwl_scan_probe_params_v4 *pp, u32 *bitmap_ssid) { … } static void iwl_mvm_scan_umac_fill_ch_p_v4(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif, struct iwl_scan_channel_params_v4 *cp, u32 channel_cfg_flags) { … } static void iwl_mvm_scan_umac_fill_ch_p_v7(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif, struct iwl_scan_channel_params_v7 *cp, u32 channel_cfg_flags, u32 version) { … } static int iwl_mvm_scan_umac_v12(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid) { … } static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid, u32 version) { … } static int iwl_mvm_scan_umac_v14(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid) { … } static int iwl_mvm_scan_umac_v15(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid) { … } static int iwl_mvm_scan_umac_v16(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid) { … } static int iwl_mvm_scan_umac_v17(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, int uid) { … } static int iwl_mvm_num_scans(struct iwl_mvm *mvm) { … } static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) { … } #define SCAN_TIMEOUT … void iwl_mvm_scan_timeout_wk(struct work_struct *work) { … } static void iwl_mvm_fill_scan_type(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) { … } struct iwl_scan_umac_handler { … }; #define IWL_SCAN_UMAC_HANDLER(_ver) … static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = …; static void iwl_mvm_mei_scan_work(struct work_struct *wk) { … } void iwl_mvm_mei_scan_filter_init(struct iwl_mei_scan_filter *mei_scan_filter) { … } /* In case CSME is connected and has link protection set, this function will * override the scan request to scan only the associated channel and only for * the associated SSID. */ static void iwl_mvm_mei_limited_scan(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params) { … } static int iwl_mvm_build_scan_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_host_cmd *hcmd, struct iwl_mvm_scan_params *params, int type) { … } struct iwl_mvm_scan_respect_p2p_go_iter_data { … }; static void iwl_mvm_scan_respect_p2p_go_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) { … } static bool _iwl_mvm_get_respect_p2p_go(struct iwl_mvm *mvm, struct ieee80211_vif *vif, bool low_latency, enum nl80211_band band) { … } static bool iwl_mvm_get_respect_p2p_go_band(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum nl80211_band band) { … } static bool iwl_mvm_get_respect_p2p_go(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { … } static void iwl_mvm_fill_respect_p2p_go(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) { … } static int _iwl_mvm_single_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_scan_request *req, struct ieee80211_scan_ies *ies, int type) { … } int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_scan_request *req, struct ieee80211_scan_ies *ies) { … } int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, struct ieee80211_scan_ies *ies, int type) { … } void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { … } void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { … } static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type) { … } static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) { … } static size_t iwl_scan_req_umac_get_size(u8 scan_ver) { … } size_t iwl_mvm_scan_size(struct iwl_mvm *mvm) { … } /* * This function is used in nic restart flow, to inform mac80211 about scans * that was aborted by restart flow or by an assert. */ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) { … } int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify) { … } static int iwl_mvm_int_mlo_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_channel **channels, size_t n_channels) { … } int iwl_mvm_int_mlo_scan(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { … } static int iwl_mvm_chanidx_from_phy(struct iwl_mvm *mvm, enum nl80211_band band, u16 phy_chan_num) { … } static u32 iwl_mvm_div_by_db(u32 value, u8 db) { … } VISIBLE_IF_IWLWIFI_KUNIT s8 iwl_mvm_average_dbm_values(const struct iwl_umac_scan_channel_survey_notif *notif) { … } EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(…); void iwl_mvm_rx_channel_survey_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { … }
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