diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mld/scan.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/scan.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/scan.h b/drivers/net/wireless/intel/iwlwifi/mld/scan.h new file mode 100644 index 000000000000..3ae940d55065 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/mld/scan.h @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * Copyright (C) 2024-2025 Intel Corporation + */ +#ifndef __iwl_mld_scan_h__ +#define __iwl_mld_scan_h__ + +int iwl_mld_alloc_scan_cmd(struct iwl_mld *mld); + +int iwl_mld_regular_scan_start(struct iwl_mld *mld, struct ieee80211_vif *vif, + struct cfg80211_scan_request *req, + struct ieee80211_scan_ies *ies); + +void iwl_mld_int_mlo_scan(struct iwl_mld *mld, struct ieee80211_vif *vif); + +void iwl_mld_handle_scan_iter_complete_notif(struct iwl_mld *mld, + struct iwl_rx_packet *pkt); + +int iwl_mld_scan_stop(struct iwl_mld *mld, int type, bool notify); + +int iwl_mld_sched_scan_start(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_scan_ies *ies, + int type); + +void iwl_mld_handle_match_found_notif(struct iwl_mld *mld, + struct iwl_rx_packet *pkt); + +void iwl_mld_handle_scan_complete_notif(struct iwl_mld *mld, + struct iwl_rx_packet *pkt); + +#define WFA_TPC_IE_LEN 9 + +static inline int iwl_mld_scan_max_template_size(void) +{ +#define MAC_HDR_LEN 24 +#define DS_IE_LEN 3 +#define SSID_IE_LEN 2 + +/* driver create the 802.11 header, WFA TPC IE, DS parameter and SSID IE */ +#define DRIVER_TOTAL_IES_LEN \ + (MAC_HDR_LEN + WFA_TPC_IE_LEN + DS_IE_LEN + SSID_IE_LEN) + + BUILD_BUG_ON(SCAN_OFFLOAD_PROBE_REQ_SIZE < DRIVER_TOTAL_IES_LEN); + + return SCAN_OFFLOAD_PROBE_REQ_SIZE - DRIVER_TOTAL_IES_LEN; +} + +void iwl_mld_report_scan_aborted(struct iwl_mld *mld); + +enum iwl_mld_scan_status { + IWL_MLD_SCAN_NONE = 0, + IWL_MLD_SCAN_REGULAR = BIT(0), + IWL_MLD_SCAN_SCHED = BIT(1), + IWL_MLD_SCAN_NETDETECT = BIT(2), + IWL_MLD_SCAN_INT_MLO = BIT(3), +}; + +/* enum iwl_mld_pass_all_sched_results_states - Defines the states for + * handling/passing scheduled scan results to mac80211 + * @SCHED_SCAN_PASS_ALL_STATE_DISABLED: Don't pass all scan results, only when + * a match found. + * @SCHED_SCAN_PASS_ALL_STATE_ENABLED: Pass all scan results is enabled + * (no filtering). + * @SCHED_SCAN_PASS_ALL_STATE_FOUND: A scan result is found, pass it on the + * next scan iteration complete notification. + */ +enum iwl_mld_pass_all_sched_results_states { + SCHED_SCAN_PASS_ALL_STATE_DISABLED, + SCHED_SCAN_PASS_ALL_STATE_ENABLED, + SCHED_SCAN_PASS_ALL_STATE_FOUND, +}; + +/** + * enum iwl_mld_traffic_load - Levels of traffic load + * + * @IWL_MLD_TRAFFIC_LOW: low traffic load + * @IWL_MLD_TRAFFIC_MEDIUM: medium traffic load + * @IWL_MLD_TRAFFIC_HIGH: high traffic load + */ +enum iwl_mld_traffic_load { + IWL_MLD_TRAFFIC_LOW, + IWL_MLD_TRAFFIC_MEDIUM, + IWL_MLD_TRAFFIC_HIGH, +}; + +/** + * struct iwl_mld_scan - Scan data + * @status: scan status, a combination of %enum iwl_mld_scan_status, + * reflects the %scan.uid_status array. + * @uid_status: array to track the scan status per uid. + * @start_tsf: start time of last scan in TSF of the link that requested + * the scan. + * @last_ebs_failed: true if the last EBS (Energy Based Scan) failed. + * @pass_all_sched_res: see %enum iwl_mld_pass_all_sched_results_states. + * @fw_link_id: the current (regular) scan fw link id, used by scan + * complete notif. + * @traffic_load: traffic load related data + * @traffic_load.last_stats_ts_usec: The timestamp of the last statistics + * notification, used to calculate the elapsed time between two + * notifications and determine the traffic load + * @traffic_load.status: The current traffic load status, see + * &enum iwl_mld_traffic_load + * @cmd_size: size of %cmd. + * @cmd: pointer to scan cmd buffer (allocated once in op mode start). + * @last_6ghz_passive_jiffies: stores the last 6GHz passive scan time + * in jiffies. + * @last_start_time_jiffies: stores the last start time in jiffies + * (interface up/reset/resume). + * @last_mlo_scan_time: start time of the last MLO scan in nanoseconds since + * boot. + */ +struct iwl_mld_scan { + /* Add here fields that need clean up on restart */ + struct_group(zeroed_on_hw_restart, + unsigned int status; + u32 uid_status[IWL_MAX_UMAC_SCANS]; + u64 start_tsf; + bool last_ebs_failed; + enum iwl_mld_pass_all_sched_results_states pass_all_sched_res; + u8 fw_link_id; + struct { + u32 last_stats_ts_usec; + enum iwl_mld_traffic_load status; + } traffic_load; + ); + /* And here fields that survive a fw restart */ + size_t cmd_size; + void *cmd; + unsigned long last_6ghz_passive_jiffies; + unsigned long last_start_time_jiffies; + unsigned long last_mlo_scan_time; +}; + +#endif /* __iwl_mld_scan_h__ */ |