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wifi: iwlwifi: mvm: add support for version 14 of the range request command
This version adds a testing option to send an incorrect SAC in the first NDPA. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240527190228.8f36ccb1cc74.I9b76461634f308e75dc3cd016d0b0bce812c6e9d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Avraham Stern
Johannes Berg
parent
626be4bf99
commit
d29fc6af1a
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@ -2,6 +2,7 @@
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/*
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* Copyright (C) 2015-2017 Intel Deutschland GmbH
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* Copyright (C) 2018-2022 Intel Corporation
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* Copyright (C) 2024 Intel Corporation
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*/
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#ifndef __iwl_fw_api_location_h__
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#define __iwl_fw_api_location_h__
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@ -561,6 +562,8 @@ struct iwl_tof_range_req_ap_entry_v2 {
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* the responder asked for LMR feedback although the initiator did not set
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* the LMR feedback bit in the FTM request. If not set, the initiator will
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* continue with the session and will provide the LMR feedback.
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* @IWL_INITIATOR_AP_FLAGS_TEST_INCORRECT_SAC: send an incorrect SAC in the
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* first NDP exchange. This is used for testing.
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*/
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enum iwl_initiator_ap_flags {
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IWL_INITIATOR_AP_FLAGS_ASAP = BIT(1),
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@ -577,6 +580,7 @@ enum iwl_initiator_ap_flags {
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IWL_INITIATOR_AP_FLAGS_USE_CALIB = BIT(13),
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IWL_INITIATOR_AP_FLAGS_PMF = BIT(14),
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IWL_INITIATOR_AP_FLAGS_TERMINATE_ON_LMR_FEEDBACK = BIT(15),
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IWL_INITIATOR_AP_FLAGS_TEST_INCORRECT_SAC = BIT(16),
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};
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/**
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@ -797,6 +801,7 @@ struct iwl_tof_range_req_ap_entry_v7 {
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} __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_7 */
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#define IWL_LOCATION_MAX_STS_POS 3
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#define IWL_LOCATION_TOTAL_LTF_POS 6
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/**
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* struct iwl_tof_range_req_ap_entry_v8 - AP configuration parameters
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@ -953,6 +958,78 @@ struct iwl_tof_range_req_ap_entry_v9 {
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__le16 min_time_between_msr;
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} __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_9 */
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/**
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* struct iwl_tof_range_req_ap_entry_v10 - AP configuration parameters
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* @initiator_ap_flags: see &enum iwl_initiator_ap_flags.
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* @band: 0 for 5.2 GHz, 1 for 2.4 GHz, 2 for 6GHz
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* @channel_num: AP Channel number
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* @format_bw: bits 0 - 3: &enum iwl_location_frame_format.
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* bits 4 - 7: &enum iwl_location_bw.
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* @ctrl_ch_position: Coding of the control channel position relative to the
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* center frequency, see iwl_mvm_get_ctrl_pos().
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* @bssid: AP's BSSID
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* @burst_period: For EDCA based ranging: Recommended value to be sent to the
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* AP. Measurement periodicity In units of 100ms. ignored if
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* num_of_bursts_exp = 0.
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* For non trigger based NDP ranging, the maximum time between
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* measurements in units of milliseconds.
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* @samples_per_burst: the number of FTMs pairs in single Burst (1-31);
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* @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of
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* the number of measurement iterations (min 2^0 = 1, max 2^14)
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* @sta_id: the station id of the AP. Only relevant when associated to the AP,
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* otherwise should be set to &IWL_MVM_INVALID_STA.
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* @cipher: pairwise cipher suite for secured measurement.
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* &enum iwl_location_cipher.
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* @hltk: HLTK to be used for secured 11az measurement
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* @tk: TK to be used for secured 11az measurement
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* @calib: An array of calibration values per FTM rx bandwidth.
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* If &IWL_INITIATOR_AP_FLAGS_USE_CALIB is set, the fw will use the
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* calibration value that corresponds to the rx bandwidth of the FTM
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* frame.
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* @beacon_interval: beacon interval of the AP in TUs. Only required if
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* &IWL_INITIATOR_AP_FLAGS_TB is set.
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* @rx_pn: the next expected PN for protected management frames Rx. LE byte
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* order. Only valid if &IWL_INITIATOR_AP_FLAGS_SECURED is set and sta_id
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* is set to &IWL_MVM_INVALID_STA.
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* @tx_pn: the next PN to use for protected management frames Tx. LE byte
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* order. Only valid if &IWL_INITIATOR_AP_FLAGS_SECURED is set and sta_id
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* is set to &IWL_MVM_INVALID_STA.
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* @r2i_ndp_params: parameters for R2I NDP ranging negotiation.
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* bits 0 - 2: max LTF repetitions
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* bits 3 - 5: max number of spatial streams
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* bits 6 - 7: max total LTFs. One of
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* &enum ieee80211_range_params_max_total_ltf.
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* @i2r_ndp_params: parameters for I2R NDP ranging negotiation.
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* bits 0 - 2: max LTF repetitions
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* bits 3 - 5: max number of spatial streams (supported values are < 2)
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* bits 6 - 7: max total LTFs. One of
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* &enum ieee80211_range_params_max_total_ltf.
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* @min_time_between_msr: For non trigger based NDP ranging, the minimum time
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* between measurements in units of milliseconds
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*/
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struct iwl_tof_range_req_ap_entry_v10 {
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__le32 initiator_ap_flags;
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u8 band;
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u8 channel_num;
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u8 format_bw;
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u8 ctrl_ch_position;
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u8 bssid[ETH_ALEN];
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__le16 burst_period;
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u8 samples_per_burst;
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u8 num_of_bursts;
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u8 sta_id;
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u8 cipher;
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u8 hltk[HLTK_11AZ_LEN];
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u8 tk[TK_11AZ_LEN];
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__le16 calib[IWL_TOF_BW_NUM];
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__le16 beacon_interval;
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u8 rx_pn[IEEE80211_CCMP_PN_LEN];
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u8 tx_pn[IEEE80211_CCMP_PN_LEN];
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u8 r2i_ndp_params;
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u8 i2r_ndp_params;
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__le16 min_time_between_msr;
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} __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_9 */
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/**
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* enum iwl_tof_response_mode
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* @IWL_MVM_TOF_RESPONSE_ASAP: report each AP measurement separately as soon as
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@ -1230,6 +1307,34 @@ struct iwl_tof_range_req_cmd_v13 {
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struct iwl_tof_range_req_ap_entry_v9 ap[IWL_MVM_TOF_MAX_APS];
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} __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_13 */
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/**
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* struct iwl_tof_range_req_cmd_v14 - start measurement cmd
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* @initiator_flags: see flags @ iwl_tof_initiator_flags
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* @request_id: A Token incremented per request. The same Token will be
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* sent back in the range response
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* @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
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* @range_req_bssid: ranging request BSSID
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* @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
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* Bits set to 1 shall be randomized by the UMAC
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* @macaddr_template: MAC address template to use for non-randomized bits
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* @req_timeout_ms: Requested timeout of the response in units of milliseconds.
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* This is the session time for completing the measurement.
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* @tsf_mac_id: report the measurement start time for each ap in terms of the
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* TSF of this mac id. 0xff to disable TSF reporting.
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* @ap: per-AP request data, see &struct iwl_tof_range_req_ap_entry_v10.
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*/
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struct iwl_tof_range_req_cmd_v14 {
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__le32 initiator_flags;
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u8 request_id;
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u8 num_of_ap;
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u8 range_req_bssid[ETH_ALEN];
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u8 macaddr_mask[ETH_ALEN];
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u8 macaddr_template[ETH_ALEN];
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__le32 req_timeout_ms;
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__le32 tsf_mac_id;
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struct iwl_tof_range_req_ap_entry_v10 ap[IWL_MVM_TOF_MAX_APS];
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} __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_13 */
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/*
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* enum iwl_tof_range_request_status - status of the sent request
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* @IWL_TOF_RANGE_REQUEST_STATUS_SUCCESSFUL - FW successfully received the
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@ -100,6 +100,7 @@
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#define IWL_MVM_FTM_INITIATOR_ALGO IWL_TOF_ALGO_TYPE_MAX_LIKE
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#define IWL_MVM_FTM_INITIATOR_DYNACK true
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#define IWL_MVM_FTM_LMR_FEEDBACK_TERMINATE false
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#define IWL_MVM_FTM_TEST_INCORRECT_SAC false
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#define IWL_MVM_FTM_R2I_MAX_REP 7
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#define IWL_MVM_FTM_I2R_MAX_REP 7
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#define IWL_MVM_FTM_R2I_MAX_STS 1
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@ -950,6 +950,105 @@ static int iwl_mvm_ftm_start_v13(struct iwl_mvm *mvm,
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return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
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}
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static int
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iwl_mvm_ftm_put_target_v10(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
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struct cfg80211_pmsr_request_peer *peer,
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struct iwl_tof_range_req_ap_entry_v10 *target)
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{
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u32 i2r_max_sts, flags;
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int ret;
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ret = iwl_mvm_ftm_target_chandef_v2(mvm, peer, &target->channel_num,
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&target->format_bw,
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&target->ctrl_ch_position);
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if (ret)
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return ret;
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memcpy(target->bssid, peer->addr, ETH_ALEN);
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target->burst_period =
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cpu_to_le16(peer->ftm.burst_period);
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target->samples_per_burst = peer->ftm.ftms_per_burst;
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target->num_of_bursts = peer->ftm.num_bursts_exp;
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iwl_mvm_ftm_set_target_flags(mvm, peer, &target->initiator_ap_flags);
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iwl_mvm_ftm_set_sta(mvm, vif, peer, &target->sta_id,
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&target->initiator_ap_flags);
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iwl_mvm_ftm_set_secured_ranging(mvm, vif, target->bssid,
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&target->cipher, target->hltk,
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target->tk, target->rx_pn,
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target->tx_pn,
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&target->initiator_ap_flags);
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i2r_max_sts = IWL_MVM_FTM_I2R_MAX_STS > 1 ? 1 :
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IWL_MVM_FTM_I2R_MAX_STS;
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target->r2i_ndp_params = IWL_MVM_FTM_R2I_MAX_REP |
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(IWL_MVM_FTM_R2I_MAX_STS << IWL_LOCATION_MAX_STS_POS) |
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(IWL_MVM_FTM_R2I_MAX_TOTAL_LTF << IWL_LOCATION_TOTAL_LTF_POS);
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target->i2r_ndp_params = IWL_MVM_FTM_I2R_MAX_REP |
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(i2r_max_sts << IWL_LOCATION_MAX_STS_POS) |
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(IWL_MVM_FTM_I2R_MAX_TOTAL_LTF << IWL_LOCATION_TOTAL_LTF_POS);
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if (peer->ftm.non_trigger_based) {
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target->min_time_between_msr =
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cpu_to_le16(IWL_MVM_FTM_NON_TB_MIN_TIME_BETWEEN_MSR);
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target->burst_period =
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cpu_to_le16(IWL_MVM_FTM_NON_TB_MAX_TIME_BETWEEN_MSR);
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} else {
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target->min_time_between_msr = cpu_to_le16(0);
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}
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target->band =
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iwl_mvm_phy_band_from_nl80211(peer->chandef.chan->band);
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/*
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* TODO: Beacon interval is currently unknown, so use the common value
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* of 100 TUs.
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*/
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target->beacon_interval = cpu_to_le16(100);
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/*
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* If secure LTF is turned off, replace the flag with PMF only
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*/
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flags = le32_to_cpu(target->initiator_ap_flags);
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if (flags & IWL_INITIATOR_AP_FLAGS_SECURED) {
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if (!IWL_MVM_FTM_INITIATOR_SECURE_LTF)
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flags &= ~IWL_INITIATOR_AP_FLAGS_SECURED;
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flags |= IWL_INITIATOR_AP_FLAGS_PMF;
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target->initiator_ap_flags = cpu_to_le32(flags);
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}
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return 0;
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}
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static int iwl_mvm_ftm_start_v14(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif,
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struct cfg80211_pmsr_request *req)
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{
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struct iwl_tof_range_req_cmd_v14 cmd;
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struct iwl_host_cmd hcmd = {
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.id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
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.dataflags[0] = IWL_HCMD_DFL_DUP,
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.data[0] = &cmd,
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.len[0] = sizeof(cmd),
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};
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u8 i;
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int err;
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iwl_mvm_ftm_cmd_common(mvm, vif, (void *)&cmd, req);
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for (i = 0; i < cmd.num_of_ap; i++) {
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struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
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struct iwl_tof_range_req_ap_entry_v10 *target = &cmd.ap[i];
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err = iwl_mvm_ftm_put_target_v10(mvm, vif, peer, target);
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if (err)
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return err;
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}
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return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
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}
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int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
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struct cfg80211_pmsr_request *req)
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{
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@ -968,6 +1067,9 @@ int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
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IWL_FW_CMD_VER_UNKNOWN);
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switch (cmd_ver) {
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case 14:
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err = iwl_mvm_ftm_start_v14(mvm, vif, req);
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break;
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case 13:
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err = iwl_mvm_ftm_start_v13(mvm, vif, req);
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break;
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