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