1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (C) 2015-2017 Intel Deutschland GmbH
4 * Copyright (C) 2018-2024 Intel Corporation
6 #include <linux/etherdevice.h>
7 #include <linux/math64.h>
8 #include <net/cfg80211.h>
12 #include "constants.h"
14 struct iwl_mvm_loc_entry {
15 struct list_head list;
17 u8 lci_len, civic_len;
21 struct iwl_mvm_smooth_entry {
22 struct list_head list;
28 enum iwl_mvm_pasn_flags {
29 IWL_MVM_PASN_FLAG_HAS_HLTK = BIT(0),
32 struct iwl_mvm_ftm_pasn_entry {
33 struct list_head list;
35 u8 hltk[HLTK_11AZ_LEN];
38 u8 tx_pn[IEEE80211_CCMP_PN_LEN];
39 u8 rx_pn[IEEE80211_CCMP_PN_LEN];
43 struct iwl_mvm_ftm_iter_data {
49 int iwl_mvm_ftm_add_pasn_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
50 u8 *addr, u32 cipher, u8 *tk, u32 tk_len,
51 u8 *hltk, u32 hltk_len)
53 struct iwl_mvm_ftm_pasn_entry *pasn = kzalloc(sizeof(*pasn),
57 lockdep_assert_held(&mvm->mutex);
62 iwl_mvm_ftm_remove_pasn_sta(mvm, addr);
64 pasn->cipher = iwl_mvm_cipher_to_location_cipher(cipher);
66 switch (pasn->cipher) {
67 case IWL_LOCATION_CIPHER_CCMP_128:
68 case IWL_LOCATION_CIPHER_GCMP_128:
69 expected_tk_len = WLAN_KEY_LEN_CCMP;
71 case IWL_LOCATION_CIPHER_GCMP_256:
72 expected_tk_len = WLAN_KEY_LEN_GCMP_256;
79 * If associated to this AP and already have security context,
80 * the TK is already configured for this station, so it
81 * shouldn't be set again here.
84 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
85 struct ieee80211_bss_conf *link_conf;
87 struct ieee80211_sta *sta;
91 for_each_vif_active_link(vif, link_conf, link_id) {
92 if (memcmp(addr, link_conf->bssid, ETH_ALEN))
95 sta_id = mvmvif->link[link_id]->ap_sta_id;
96 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
97 if (!IS_ERR_OR_NULL(sta) && sta->mfp)
104 if (tk_len != expected_tk_len ||
105 (hltk_len && hltk_len != sizeof(pasn->hltk))) {
106 IWL_ERR(mvm, "Invalid key length: tk_len=%u hltk_len=%u\n",
111 if (!expected_tk_len && !hltk_len) {
112 IWL_ERR(mvm, "TK and HLTK not set\n");
116 memcpy(pasn->addr, addr, sizeof(pasn->addr));
119 memcpy(pasn->hltk, hltk, sizeof(pasn->hltk));
120 pasn->flags |= IWL_MVM_PASN_FLAG_HAS_HLTK;
124 memcpy(pasn->tk, tk, sizeof(pasn->tk));
126 list_add_tail(&pasn->list, &mvm->ftm_initiator.pasn_list);
133 void iwl_mvm_ftm_remove_pasn_sta(struct iwl_mvm *mvm, u8 *addr)
135 struct iwl_mvm_ftm_pasn_entry *entry, *prev;
137 lockdep_assert_held(&mvm->mutex);
139 list_for_each_entry_safe(entry, prev, &mvm->ftm_initiator.pasn_list,
141 if (memcmp(entry->addr, addr, sizeof(entry->addr)))
144 list_del(&entry->list);
150 static void iwl_mvm_ftm_reset(struct iwl_mvm *mvm)
152 struct iwl_mvm_loc_entry *e, *t;
154 mvm->ftm_initiator.req = NULL;
155 mvm->ftm_initiator.req_wdev = NULL;
156 memset(mvm->ftm_initiator.responses, 0,
157 sizeof(mvm->ftm_initiator.responses));
159 list_for_each_entry_safe(e, t, &mvm->ftm_initiator.loc_list, list) {
165 void iwl_mvm_ftm_restart(struct iwl_mvm *mvm)
167 struct cfg80211_pmsr_result result = {
168 .status = NL80211_PMSR_STATUS_FAILURE,
170 .host_time = ktime_get_boottime_ns(),
171 .type = NL80211_PMSR_TYPE_FTM,
175 lockdep_assert_held(&mvm->mutex);
177 if (!mvm->ftm_initiator.req)
180 for (i = 0; i < mvm->ftm_initiator.req->n_peers; i++) {
181 memcpy(result.addr, mvm->ftm_initiator.req->peers[i].addr,
183 result.ftm.burst_index = mvm->ftm_initiator.responses[i];
185 cfg80211_pmsr_report(mvm->ftm_initiator.req_wdev,
186 mvm->ftm_initiator.req,
187 &result, GFP_KERNEL);
190 cfg80211_pmsr_complete(mvm->ftm_initiator.req_wdev,
191 mvm->ftm_initiator.req, GFP_KERNEL);
192 iwl_mvm_ftm_reset(mvm);
195 void iwl_mvm_ftm_initiator_smooth_config(struct iwl_mvm *mvm)
197 INIT_LIST_HEAD(&mvm->ftm_initiator.smooth.resp);
200 "enable=%u, alpha=%u, age_jiffies=%u, thresh=(%u:%u)\n",
201 IWL_MVM_FTM_INITIATOR_ENABLE_SMOOTH,
202 IWL_MVM_FTM_INITIATOR_SMOOTH_ALPHA,
203 IWL_MVM_FTM_INITIATOR_SMOOTH_AGE_SEC * HZ,
204 IWL_MVM_FTM_INITIATOR_SMOOTH_OVERSHOOT,
205 IWL_MVM_FTM_INITIATOR_SMOOTH_UNDERSHOOT);
208 void iwl_mvm_ftm_initiator_smooth_stop(struct iwl_mvm *mvm)
210 struct iwl_mvm_smooth_entry *se, *st;
212 list_for_each_entry_safe(se, st, &mvm->ftm_initiator.smooth.resp,
220 iwl_ftm_range_request_status_to_err(enum iwl_tof_range_request_status s)
223 case IWL_TOF_RANGE_REQUEST_STATUS_SUCCESS:
225 case IWL_TOF_RANGE_REQUEST_STATUS_BUSY:
233 static void iwl_mvm_ftm_cmd_v5(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
234 struct iwl_tof_range_req_cmd_v5 *cmd,
235 struct cfg80211_pmsr_request *req)
239 cmd->request_id = req->cookie;
240 cmd->num_of_ap = req->n_peers;
242 /* use maximum for "no timeout" or bigger than what we can do */
243 if (!req->timeout || req->timeout > 255 * 100)
244 cmd->req_timeout = 255;
246 cmd->req_timeout = DIV_ROUND_UP(req->timeout, 100);
249 * We treat it always as random, since if not we'll
250 * have filled our local address there instead.
252 cmd->macaddr_random = 1;
253 memcpy(cmd->macaddr_template, req->mac_addr, ETH_ALEN);
254 for (i = 0; i < ETH_ALEN; i++)
255 cmd->macaddr_mask[i] = ~req->mac_addr_mask[i];
258 memcpy(cmd->range_req_bssid, vif->bss_conf.bssid, ETH_ALEN);
260 eth_broadcast_addr(cmd->range_req_bssid);
263 static void iwl_mvm_ftm_cmd_common(struct iwl_mvm *mvm,
264 struct ieee80211_vif *vif,
265 struct iwl_tof_range_req_cmd_v9 *cmd,
266 struct cfg80211_pmsr_request *req)
270 cmd->initiator_flags =
271 cpu_to_le32(IWL_TOF_INITIATOR_FLAGS_MACADDR_RANDOM |
272 IWL_TOF_INITIATOR_FLAGS_NON_ASAP_SUPPORT);
273 cmd->request_id = req->cookie;
274 cmd->num_of_ap = req->n_peers;
277 * Use a large value for "no timeout". Don't use the maximum value
278 * because of fw limitations.
281 cmd->req_timeout_ms = cpu_to_le32(req->timeout);
283 cmd->req_timeout_ms = cpu_to_le32(0xfffff);
285 memcpy(cmd->macaddr_template, req->mac_addr, ETH_ALEN);
286 for (i = 0; i < ETH_ALEN; i++)
287 cmd->macaddr_mask[i] = ~req->mac_addr_mask[i];
289 if (vif->cfg.assoc) {
290 memcpy(cmd->range_req_bssid, vif->bss_conf.bssid, ETH_ALEN);
292 /* AP's TSF is only relevant if associated */
293 for (i = 0; i < req->n_peers; i++) {
294 if (req->peers[i].report_ap_tsf) {
295 struct iwl_mvm_vif *mvmvif =
296 iwl_mvm_vif_from_mac80211(vif);
298 cmd->tsf_mac_id = cpu_to_le32(mvmvif->id);
303 eth_broadcast_addr(cmd->range_req_bssid);
306 /* Don't report AP's TSF */
307 cmd->tsf_mac_id = cpu_to_le32(0xff);
310 static void iwl_mvm_ftm_cmd_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
311 struct iwl_tof_range_req_cmd_v8 *cmd,
312 struct cfg80211_pmsr_request *req)
314 iwl_mvm_ftm_cmd_common(mvm, vif, (void *)cmd, req);
318 iwl_mvm_ftm_target_chandef_v1(struct iwl_mvm *mvm,
319 struct cfg80211_pmsr_request_peer *peer,
320 u8 *channel, u8 *bandwidth,
321 u8 *ctrl_ch_position)
323 u32 freq = peer->chandef.chan->center_freq;
325 *channel = ieee80211_frequency_to_channel(freq);
327 switch (peer->chandef.width) {
328 case NL80211_CHAN_WIDTH_20_NOHT:
329 *bandwidth = IWL_TOF_BW_20_LEGACY;
331 case NL80211_CHAN_WIDTH_20:
332 *bandwidth = IWL_TOF_BW_20_HT;
334 case NL80211_CHAN_WIDTH_40:
335 *bandwidth = IWL_TOF_BW_40;
337 case NL80211_CHAN_WIDTH_80:
338 *bandwidth = IWL_TOF_BW_80;
341 IWL_ERR(mvm, "Unsupported BW in FTM request (%d)\n",
342 peer->chandef.width);
346 *ctrl_ch_position = (peer->chandef.width > NL80211_CHAN_WIDTH_20) ?
347 iwl_mvm_get_ctrl_pos(&peer->chandef) : 0;
353 iwl_mvm_ftm_target_chandef_v2(struct iwl_mvm *mvm,
354 struct cfg80211_pmsr_request_peer *peer,
355 u8 *channel, u8 *format_bw,
356 u8 *ctrl_ch_position)
358 u32 freq = peer->chandef.chan->center_freq;
361 *channel = ieee80211_frequency_to_channel(freq);
363 switch (peer->chandef.width) {
364 case NL80211_CHAN_WIDTH_20_NOHT:
365 *format_bw = IWL_LOCATION_FRAME_FORMAT_LEGACY;
366 *format_bw |= IWL_LOCATION_BW_20MHZ << LOCATION_BW_POS;
368 case NL80211_CHAN_WIDTH_20:
369 *format_bw = IWL_LOCATION_FRAME_FORMAT_HT;
370 *format_bw |= IWL_LOCATION_BW_20MHZ << LOCATION_BW_POS;
372 case NL80211_CHAN_WIDTH_40:
373 *format_bw = IWL_LOCATION_FRAME_FORMAT_HT;
374 *format_bw |= IWL_LOCATION_BW_40MHZ << LOCATION_BW_POS;
376 case NL80211_CHAN_WIDTH_80:
377 *format_bw = IWL_LOCATION_FRAME_FORMAT_VHT;
378 *format_bw |= IWL_LOCATION_BW_80MHZ << LOCATION_BW_POS;
380 case NL80211_CHAN_WIDTH_160:
381 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
382 WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
383 IWL_FW_CMD_VER_UNKNOWN);
386 *format_bw = IWL_LOCATION_FRAME_FORMAT_HE;
387 *format_bw |= IWL_LOCATION_BW_160MHZ << LOCATION_BW_POS;
392 IWL_ERR(mvm, "Unsupported BW in FTM request (%d)\n",
393 peer->chandef.width);
397 /* non EDCA based measurement must use HE preamble */
398 if (peer->ftm.trigger_based || peer->ftm.non_trigger_based)
399 *format_bw |= IWL_LOCATION_FRAME_FORMAT_HE;
401 *ctrl_ch_position = (peer->chandef.width > NL80211_CHAN_WIDTH_20) ?
402 iwl_mvm_get_ctrl_pos(&peer->chandef) : 0;
408 iwl_mvm_ftm_put_target_v2(struct iwl_mvm *mvm,
409 struct cfg80211_pmsr_request_peer *peer,
410 struct iwl_tof_range_req_ap_entry_v2 *target)
414 ret = iwl_mvm_ftm_target_chandef_v1(mvm, peer, &target->channel_num,
416 &target->ctrl_ch_position);
420 memcpy(target->bssid, peer->addr, ETH_ALEN);
421 target->burst_period =
422 cpu_to_le16(peer->ftm.burst_period);
423 target->samples_per_burst = peer->ftm.ftms_per_burst;
424 target->num_of_bursts = peer->ftm.num_bursts_exp;
425 target->measure_type = 0; /* regular two-sided FTM */
426 target->retries_per_sample = peer->ftm.ftmr_retries;
427 target->asap_mode = peer->ftm.asap;
428 target->enable_dyn_ack = IWL_MVM_FTM_INITIATOR_DYNACK;
430 if (peer->ftm.request_lci)
431 target->location_req |= IWL_TOF_LOC_LCI;
432 if (peer->ftm.request_civicloc)
433 target->location_req |= IWL_TOF_LOC_CIVIC;
435 target->algo_type = IWL_MVM_FTM_INITIATOR_ALGO;
440 #define FTM_SET_FLAG(flag) (*flags |= \
441 cpu_to_le32(IWL_INITIATOR_AP_FLAGS_##flag))
444 iwl_mvm_ftm_set_target_flags(struct iwl_mvm *mvm,
445 struct cfg80211_pmsr_request_peer *peer,
448 *flags = cpu_to_le32(0);
453 if (peer->ftm.request_lci)
454 FTM_SET_FLAG(LCI_REQUEST);
456 if (peer->ftm.request_civicloc)
457 FTM_SET_FLAG(CIVIC_REQUEST);
459 if (IWL_MVM_FTM_INITIATOR_DYNACK)
460 FTM_SET_FLAG(DYN_ACK);
462 if (IWL_MVM_FTM_INITIATOR_ALGO == IWL_TOF_ALGO_TYPE_LINEAR_REG)
463 FTM_SET_FLAG(ALGO_LR);
464 else if (IWL_MVM_FTM_INITIATOR_ALGO == IWL_TOF_ALGO_TYPE_FFT)
465 FTM_SET_FLAG(ALGO_FFT);
467 if (peer->ftm.trigger_based)
469 else if (peer->ftm.non_trigger_based)
470 FTM_SET_FLAG(NON_TB);
472 if ((peer->ftm.trigger_based || peer->ftm.non_trigger_based) &&
473 peer->ftm.lmr_feedback)
474 FTM_SET_FLAG(LMR_FEEDBACK);
478 iwl_mvm_ftm_put_target_common(struct iwl_mvm *mvm,
479 struct cfg80211_pmsr_request_peer *peer,
480 struct iwl_tof_range_req_ap_entry_v6 *target)
482 memcpy(target->bssid, peer->addr, ETH_ALEN);
483 target->burst_period =
484 cpu_to_le16(peer->ftm.burst_period);
485 target->samples_per_burst = peer->ftm.ftms_per_burst;
486 target->num_of_bursts = peer->ftm.num_bursts_exp;
487 target->ftmr_max_retries = peer->ftm.ftmr_retries;
488 iwl_mvm_ftm_set_target_flags(mvm, peer, &target->initiator_ap_flags);
492 iwl_mvm_ftm_put_target_v3(struct iwl_mvm *mvm,
493 struct cfg80211_pmsr_request_peer *peer,
494 struct iwl_tof_range_req_ap_entry_v3 *target)
498 ret = iwl_mvm_ftm_target_chandef_v1(mvm, peer, &target->channel_num,
500 &target->ctrl_ch_position);
505 * Versions 3 and 4 has some common fields, so
506 * iwl_mvm_ftm_put_target_common() can be used for version 7 too.
508 iwl_mvm_ftm_put_target_common(mvm, peer, (void *)target);
514 iwl_mvm_ftm_put_target_v4(struct iwl_mvm *mvm,
515 struct cfg80211_pmsr_request_peer *peer,
516 struct iwl_tof_range_req_ap_entry_v4 *target)
520 ret = iwl_mvm_ftm_target_chandef_v2(mvm, peer, &target->channel_num,
522 &target->ctrl_ch_position);
526 iwl_mvm_ftm_put_target_common(mvm, peer, (void *)target);
531 static int iwl_mvm_ftm_set_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
532 struct cfg80211_pmsr_request_peer *peer,
533 u8 *sta_id, __le32 *flags)
535 if (vif->cfg.assoc) {
536 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
537 struct ieee80211_sta *sta;
538 struct ieee80211_bss_conf *link_conf;
539 unsigned int link_id;
542 for_each_vif_active_link(vif, link_conf, link_id) {
543 if (memcmp(peer->addr, link_conf->bssid, ETH_ALEN))
546 *sta_id = mvmvif->link[link_id]->ap_sta_id;
547 sta = rcu_dereference(mvm->fw_id_to_mac_id[*sta_id]);
548 if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) {
550 return PTR_ERR_OR_ZERO(sta);
553 if (sta->mfp && (peer->ftm.trigger_based ||
554 peer->ftm.non_trigger_based))
560 #ifdef CONFIG_IWLWIFI_DEBUGFS
561 if (mvmvif->ftm_unprotected) {
562 *sta_id = IWL_INVALID_STA;
563 *flags &= ~cpu_to_le32(IWL_INITIATOR_AP_FLAGS_PMF);
567 *sta_id = IWL_INVALID_STA;
574 iwl_mvm_ftm_put_target(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
575 struct cfg80211_pmsr_request_peer *peer,
576 struct iwl_tof_range_req_ap_entry_v6 *target)
580 ret = iwl_mvm_ftm_target_chandef_v2(mvm, peer, &target->channel_num,
582 &target->ctrl_ch_position);
586 iwl_mvm_ftm_put_target_common(mvm, peer, target);
588 iwl_mvm_ftm_set_sta(mvm, vif, peer, &target->sta_id,
589 &target->initiator_ap_flags);
592 * TODO: Beacon interval is currently unknown, so use the common value
595 target->beacon_interval = cpu_to_le16(100);
599 static int iwl_mvm_ftm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *hcmd)
602 int err = iwl_mvm_send_cmd_status(mvm, hcmd, &status);
604 if (!err && status) {
605 IWL_ERR(mvm, "FTM range request command failure, status: %u\n",
607 err = iwl_ftm_range_request_status_to_err(status);
613 static int iwl_mvm_ftm_start_v5(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
614 struct cfg80211_pmsr_request *req)
616 struct iwl_tof_range_req_cmd_v5 cmd_v5;
617 struct iwl_host_cmd hcmd = {
618 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
619 .dataflags[0] = IWL_HCMD_DFL_DUP,
621 .len[0] = sizeof(cmd_v5),
626 iwl_mvm_ftm_cmd_v5(mvm, vif, &cmd_v5, req);
628 for (i = 0; i < cmd_v5.num_of_ap; i++) {
629 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
631 err = iwl_mvm_ftm_put_target_v2(mvm, peer, &cmd_v5.ap[i]);
636 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
639 static int iwl_mvm_ftm_start_v7(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
640 struct cfg80211_pmsr_request *req)
642 struct iwl_tof_range_req_cmd_v7 cmd_v7;
643 struct iwl_host_cmd hcmd = {
644 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
645 .dataflags[0] = IWL_HCMD_DFL_DUP,
647 .len[0] = sizeof(cmd_v7),
653 * Versions 7 and 8 has the same structure except from the responders
654 * list, so iwl_mvm_ftm_cmd() can be used for version 7 too.
656 iwl_mvm_ftm_cmd_v8(mvm, vif, (void *)&cmd_v7, req);
658 for (i = 0; i < cmd_v7.num_of_ap; i++) {
659 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
661 err = iwl_mvm_ftm_put_target_v3(mvm, peer, &cmd_v7.ap[i]);
666 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
669 static int iwl_mvm_ftm_start_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
670 struct cfg80211_pmsr_request *req)
672 struct iwl_tof_range_req_cmd_v8 cmd;
673 struct iwl_host_cmd hcmd = {
674 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
675 .dataflags[0] = IWL_HCMD_DFL_DUP,
677 .len[0] = sizeof(cmd),
682 iwl_mvm_ftm_cmd_v8(mvm, vif, (void *)&cmd, req);
684 for (i = 0; i < cmd.num_of_ap; i++) {
685 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
687 err = iwl_mvm_ftm_put_target_v4(mvm, peer, &cmd.ap[i]);
692 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
695 static int iwl_mvm_ftm_start_v9(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
696 struct cfg80211_pmsr_request *req)
698 struct iwl_tof_range_req_cmd_v9 cmd;
699 struct iwl_host_cmd hcmd = {
700 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
701 .dataflags[0] = IWL_HCMD_DFL_DUP,
703 .len[0] = sizeof(cmd),
708 iwl_mvm_ftm_cmd_common(mvm, vif, &cmd, req);
710 for (i = 0; i < cmd.num_of_ap; i++) {
711 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
712 struct iwl_tof_range_req_ap_entry_v6 *target = &cmd.ap[i];
714 err = iwl_mvm_ftm_put_target(mvm, vif, peer, target);
719 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
722 static void iter(struct ieee80211_hw *hw,
723 struct ieee80211_vif *vif,
724 struct ieee80211_sta *sta,
725 struct ieee80211_key_conf *key,
728 struct iwl_mvm_ftm_iter_data *target = data;
730 if (!sta || memcmp(sta->addr, target->bssid, ETH_ALEN))
735 target->tk = key->key;
736 *target->cipher = iwl_mvm_cipher_to_location_cipher(key->cipher);
737 WARN_ON(*target->cipher == IWL_LOCATION_CIPHER_INVALID);
741 iwl_mvm_ftm_set_secured_ranging(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
742 u8 *bssid, u8 *cipher, u8 *hltk, u8 *tk,
743 u8 *rx_pn, u8 *tx_pn, __le32 *flags)
745 struct iwl_mvm_ftm_pasn_entry *entry;
746 #ifdef CONFIG_IWLWIFI_DEBUGFS
747 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
749 if (mvmvif->ftm_unprotected)
753 if (!(le32_to_cpu(*flags) & (IWL_INITIATOR_AP_FLAGS_NON_TB |
754 IWL_INITIATOR_AP_FLAGS_TB)))
757 lockdep_assert_held(&mvm->mutex);
759 list_for_each_entry(entry, &mvm->ftm_initiator.pasn_list, list) {
760 if (memcmp(entry->addr, bssid, sizeof(entry->addr)))
763 *cipher = entry->cipher;
765 if (entry->flags & IWL_MVM_PASN_FLAG_HAS_HLTK)
766 memcpy(hltk, entry->hltk, sizeof(entry->hltk));
768 memset(hltk, 0, sizeof(entry->hltk));
770 if (vif->cfg.assoc &&
771 !memcmp(vif->bss_conf.bssid, bssid, ETH_ALEN)) {
772 struct iwl_mvm_ftm_iter_data target;
774 target.bssid = bssid;
775 target.cipher = cipher;
776 ieee80211_iter_keys(mvm->hw, vif, iter, &target);
778 memcpy(tk, entry->tk, sizeof(entry->tk));
781 memcpy(rx_pn, entry->rx_pn, sizeof(entry->rx_pn));
782 memcpy(tx_pn, entry->tx_pn, sizeof(entry->tx_pn));
784 FTM_SET_FLAG(SECURED);
790 iwl_mvm_ftm_put_target_v7(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
791 struct cfg80211_pmsr_request_peer *peer,
792 struct iwl_tof_range_req_ap_entry_v7 *target)
794 int err = iwl_mvm_ftm_put_target(mvm, vif, peer, (void *)target);
798 iwl_mvm_ftm_set_secured_ranging(mvm, vif, target->bssid,
799 &target->cipher, target->hltk,
800 target->tk, target->rx_pn,
802 &target->initiator_ap_flags);
806 static int iwl_mvm_ftm_start_v11(struct iwl_mvm *mvm,
807 struct ieee80211_vif *vif,
808 struct cfg80211_pmsr_request *req)
810 struct iwl_tof_range_req_cmd_v11 cmd;
811 struct iwl_host_cmd hcmd = {
812 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
813 .dataflags[0] = IWL_HCMD_DFL_DUP,
815 .len[0] = sizeof(cmd),
820 iwl_mvm_ftm_cmd_common(mvm, vif, (void *)&cmd, req);
822 for (i = 0; i < cmd.num_of_ap; i++) {
823 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
824 struct iwl_tof_range_req_ap_entry_v7 *target = &cmd.ap[i];
826 err = iwl_mvm_ftm_put_target_v7(mvm, vif, peer, target);
831 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
835 iwl_mvm_ftm_set_ndp_params(struct iwl_mvm *mvm,
836 struct iwl_tof_range_req_ap_entry_v8 *target)
838 /* Only 2 STS are supported on Tx */
839 u32 i2r_max_sts = IWL_MVM_FTM_I2R_MAX_STS > 1 ? 1 :
840 IWL_MVM_FTM_I2R_MAX_STS;
842 target->r2i_ndp_params = IWL_MVM_FTM_R2I_MAX_REP |
843 (IWL_MVM_FTM_R2I_MAX_STS << IWL_LOCATION_MAX_STS_POS);
844 target->i2r_ndp_params = IWL_MVM_FTM_I2R_MAX_REP |
845 (i2r_max_sts << IWL_LOCATION_MAX_STS_POS);
846 target->r2i_max_total_ltf = IWL_MVM_FTM_R2I_MAX_TOTAL_LTF;
847 target->i2r_max_total_ltf = IWL_MVM_FTM_I2R_MAX_TOTAL_LTF;
851 iwl_mvm_ftm_put_target_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
852 struct cfg80211_pmsr_request_peer *peer,
853 struct iwl_tof_range_req_ap_entry_v8 *target)
856 int ret = iwl_mvm_ftm_put_target_v7(mvm, vif, peer, (void *)target);
861 iwl_mvm_ftm_set_ndp_params(mvm, target);
864 * If secure LTF is turned off, replace the flag with PMF only
866 flags = le32_to_cpu(target->initiator_ap_flags);
867 if (flags & IWL_INITIATOR_AP_FLAGS_SECURED) {
868 if (!IWL_MVM_FTM_INITIATOR_SECURE_LTF)
869 flags &= ~IWL_INITIATOR_AP_FLAGS_SECURED;
871 flags |= IWL_INITIATOR_AP_FLAGS_PMF;
872 target->initiator_ap_flags = cpu_to_le32(flags);
878 static int iwl_mvm_ftm_start_v12(struct iwl_mvm *mvm,
879 struct ieee80211_vif *vif,
880 struct cfg80211_pmsr_request *req)
882 struct iwl_tof_range_req_cmd_v12 cmd;
883 struct iwl_host_cmd hcmd = {
884 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
885 .dataflags[0] = IWL_HCMD_DFL_DUP,
887 .len[0] = sizeof(cmd),
892 iwl_mvm_ftm_cmd_common(mvm, vif, (void *)&cmd, req);
894 for (i = 0; i < cmd.num_of_ap; i++) {
895 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
896 struct iwl_tof_range_req_ap_entry_v8 *target = &cmd.ap[i];
898 err = iwl_mvm_ftm_put_target_v8(mvm, vif, peer, target);
903 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
906 static int iwl_mvm_ftm_start_v13(struct iwl_mvm *mvm,
907 struct ieee80211_vif *vif,
908 struct cfg80211_pmsr_request *req)
910 struct iwl_tof_range_req_cmd_v13 cmd;
911 struct iwl_host_cmd hcmd = {
912 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
913 .dataflags[0] = IWL_HCMD_DFL_DUP,
915 .len[0] = sizeof(cmd),
920 iwl_mvm_ftm_cmd_common(mvm, vif, (void *)&cmd, req);
922 for (i = 0; i < cmd.num_of_ap; i++) {
923 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
924 struct iwl_tof_range_req_ap_entry_v9 *target = &cmd.ap[i];
926 err = iwl_mvm_ftm_put_target_v8(mvm, vif, peer, (void *)target);
930 if (peer->ftm.trigger_based || peer->ftm.non_trigger_based)
931 target->bss_color = peer->ftm.bss_color;
933 if (peer->ftm.non_trigger_based) {
934 target->min_time_between_msr =
935 cpu_to_le16(IWL_MVM_FTM_NON_TB_MIN_TIME_BETWEEN_MSR);
936 target->burst_period =
937 cpu_to_le16(IWL_MVM_FTM_NON_TB_MAX_TIME_BETWEEN_MSR);
939 target->min_time_between_msr = cpu_to_le16(0);
943 iwl_mvm_phy_band_from_nl80211(peer->chandef.chan->band);
946 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
950 iwl_mvm_ftm_put_target_v10(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
951 struct cfg80211_pmsr_request_peer *peer,
952 struct iwl_tof_range_req_ap_entry_v10 *target)
954 u32 i2r_max_sts, flags;
957 ret = iwl_mvm_ftm_target_chandef_v2(mvm, peer, &target->channel_num,
959 &target->ctrl_ch_position);
963 memcpy(target->bssid, peer->addr, ETH_ALEN);
964 target->burst_period =
965 cpu_to_le16(peer->ftm.burst_period);
966 target->samples_per_burst = peer->ftm.ftms_per_burst;
967 target->num_of_bursts = peer->ftm.num_bursts_exp;
968 iwl_mvm_ftm_set_target_flags(mvm, peer, &target->initiator_ap_flags);
969 iwl_mvm_ftm_set_sta(mvm, vif, peer, &target->sta_id,
970 &target->initiator_ap_flags);
971 iwl_mvm_ftm_set_secured_ranging(mvm, vif, target->bssid,
972 &target->cipher, target->hltk,
973 target->tk, target->rx_pn,
975 &target->initiator_ap_flags);
977 i2r_max_sts = IWL_MVM_FTM_I2R_MAX_STS > 1 ? 1 :
978 IWL_MVM_FTM_I2R_MAX_STS;
980 target->r2i_ndp_params = IWL_MVM_FTM_R2I_MAX_REP |
981 (IWL_MVM_FTM_R2I_MAX_STS << IWL_LOCATION_MAX_STS_POS) |
982 (IWL_MVM_FTM_R2I_MAX_TOTAL_LTF << IWL_LOCATION_TOTAL_LTF_POS);
983 target->i2r_ndp_params = IWL_MVM_FTM_I2R_MAX_REP |
984 (i2r_max_sts << IWL_LOCATION_MAX_STS_POS) |
985 (IWL_MVM_FTM_I2R_MAX_TOTAL_LTF << IWL_LOCATION_TOTAL_LTF_POS);
987 if (peer->ftm.non_trigger_based) {
988 target->min_time_between_msr =
989 cpu_to_le16(IWL_MVM_FTM_NON_TB_MIN_TIME_BETWEEN_MSR);
990 target->burst_period =
991 cpu_to_le16(IWL_MVM_FTM_NON_TB_MAX_TIME_BETWEEN_MSR);
993 target->min_time_between_msr = cpu_to_le16(0);
997 iwl_mvm_phy_band_from_nl80211(peer->chandef.chan->band);
1000 * TODO: Beacon interval is currently unknown, so use the common value
1003 target->beacon_interval = cpu_to_le16(100);
1006 * If secure LTF is turned off, replace the flag with PMF only
1008 flags = le32_to_cpu(target->initiator_ap_flags);
1009 if (flags & IWL_INITIATOR_AP_FLAGS_SECURED) {
1010 if (!IWL_MVM_FTM_INITIATOR_SECURE_LTF)
1011 flags &= ~IWL_INITIATOR_AP_FLAGS_SECURED;
1013 flags |= IWL_INITIATOR_AP_FLAGS_PMF;
1014 target->initiator_ap_flags = cpu_to_le32(flags);
1020 static int iwl_mvm_ftm_start_v14(struct iwl_mvm *mvm,
1021 struct ieee80211_vif *vif,
1022 struct cfg80211_pmsr_request *req)
1024 struct iwl_tof_range_req_cmd_v14 cmd;
1025 struct iwl_host_cmd hcmd = {
1026 .id = WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
1027 .dataflags[0] = IWL_HCMD_DFL_DUP,
1029 .len[0] = sizeof(cmd),
1034 iwl_mvm_ftm_cmd_common(mvm, vif, (void *)&cmd, req);
1036 for (i = 0; i < cmd.num_of_ap; i++) {
1037 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
1038 struct iwl_tof_range_req_ap_entry_v10 *target = &cmd.ap[i];
1040 err = iwl_mvm_ftm_put_target_v10(mvm, vif, peer, target);
1045 return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
1048 int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1049 struct cfg80211_pmsr_request *req)
1051 bool new_api = fw_has_api(&mvm->fw->ucode_capa,
1052 IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ);
1055 lockdep_assert_held(&mvm->mutex);
1057 if (mvm->ftm_initiator.req)
1061 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1062 WIDE_ID(LOCATION_GROUP, TOF_RANGE_REQ_CMD),
1063 IWL_FW_CMD_VER_UNKNOWN);
1067 /* Version 15 has the same struct as 14 */
1069 err = iwl_mvm_ftm_start_v14(mvm, vif, req);
1072 err = iwl_mvm_ftm_start_v13(mvm, vif, req);
1075 err = iwl_mvm_ftm_start_v12(mvm, vif, req);
1078 err = iwl_mvm_ftm_start_v11(mvm, vif, req);
1082 err = iwl_mvm_ftm_start_v9(mvm, vif, req);
1085 err = iwl_mvm_ftm_start_v8(mvm, vif, req);
1088 err = iwl_mvm_ftm_start_v7(mvm, vif, req);
1092 err = iwl_mvm_ftm_start_v5(mvm, vif, req);
1096 mvm->ftm_initiator.req = req;
1097 mvm->ftm_initiator.req_wdev = ieee80211_vif_to_wdev(vif);
1103 void iwl_mvm_ftm_abort(struct iwl_mvm *mvm, struct cfg80211_pmsr_request *req)
1105 struct iwl_tof_range_abort_cmd cmd = {
1106 .request_id = req->cookie,
1109 lockdep_assert_held(&mvm->mutex);
1111 if (req != mvm->ftm_initiator.req)
1114 iwl_mvm_ftm_reset(mvm);
1116 if (iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(LOCATION_GROUP, TOF_RANGE_ABORT_CMD),
1117 0, sizeof(cmd), &cmd))
1118 IWL_ERR(mvm, "failed to abort FTM process\n");
1121 static int iwl_mvm_ftm_find_peer(struct cfg80211_pmsr_request *req,
1126 for (i = 0; i < req->n_peers; i++) {
1127 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
1129 if (ether_addr_equal_unaligned(peer->addr, addr))
1136 static u64 iwl_mvm_ftm_get_host_time(struct iwl_mvm *mvm, __le32 fw_gp2_ts)
1138 u32 gp2_ts = le32_to_cpu(fw_gp2_ts);
1140 u64 now_from_boot_ns;
1142 iwl_mvm_get_sync_time(mvm, CLOCK_BOOTTIME, &curr_gp2,
1143 &now_from_boot_ns, NULL);
1145 if (curr_gp2 >= gp2_ts)
1146 diff = curr_gp2 - gp2_ts;
1148 diff = curr_gp2 + (U32_MAX - gp2_ts + 1);
1150 return now_from_boot_ns - (u64)diff * 1000;
1153 static void iwl_mvm_ftm_get_lci_civic(struct iwl_mvm *mvm,
1154 struct cfg80211_pmsr_result *res)
1156 struct iwl_mvm_loc_entry *entry;
1158 list_for_each_entry(entry, &mvm->ftm_initiator.loc_list, list) {
1159 if (!ether_addr_equal_unaligned(res->addr, entry->addr))
1162 if (entry->lci_len) {
1163 res->ftm.lci_len = entry->lci_len;
1164 res->ftm.lci = entry->buf;
1167 if (entry->civic_len) {
1168 res->ftm.civicloc_len = entry->civic_len;
1169 res->ftm.civicloc = entry->buf + entry->lci_len;
1172 /* we found the entry we needed */
1177 static int iwl_mvm_ftm_range_resp_valid(struct iwl_mvm *mvm, u8 request_id,
1180 lockdep_assert_held(&mvm->mutex);
1182 if (request_id != (u8)mvm->ftm_initiator.req->cookie) {
1183 IWL_ERR(mvm, "Request ID mismatch, got %u, active %u\n",
1184 request_id, (u8)mvm->ftm_initiator.req->cookie);
1188 if (num_of_aps > mvm->ftm_initiator.req->n_peers) {
1189 IWL_ERR(mvm, "FTM range response invalid\n");
1196 static void iwl_mvm_ftm_rtt_smoothing(struct iwl_mvm *mvm,
1197 struct cfg80211_pmsr_result *res)
1199 struct iwl_mvm_smooth_entry *resp = NULL, *iter;
1200 s64 rtt_avg, rtt = res->ftm.rtt_avg;
1201 u32 undershoot, overshoot;
1204 if (!IWL_MVM_FTM_INITIATOR_ENABLE_SMOOTH)
1209 if (res->status != NL80211_PMSR_STATUS_SUCCESS) {
1211 ": %pM: ignore failed measurement. Status=%u\n",
1212 res->addr, res->status);
1216 list_for_each_entry(iter, &mvm->ftm_initiator.smooth.resp, list) {
1217 if (!memcmp(res->addr, iter->addr, ETH_ALEN)) {
1224 resp = kzalloc(sizeof(*resp), GFP_KERNEL);
1228 memcpy(resp->addr, res->addr, ETH_ALEN);
1229 list_add_tail(&resp->list, &mvm->ftm_initiator.smooth.resp);
1231 resp->rtt_avg = rtt;
1233 IWL_DEBUG_INFO(mvm, "new: %pM: rtt_avg=%lld\n",
1234 resp->addr, resp->rtt_avg);
1238 if (res->host_time - resp->host_time >
1239 IWL_MVM_FTM_INITIATOR_SMOOTH_AGE_SEC * 1000000000) {
1240 resp->rtt_avg = rtt;
1242 IWL_DEBUG_INFO(mvm, "expired: %pM: rtt_avg=%lld\n",
1243 resp->addr, resp->rtt_avg);
1247 /* Smooth the results based on the tracked RTT average */
1248 undershoot = IWL_MVM_FTM_INITIATOR_SMOOTH_UNDERSHOOT;
1249 overshoot = IWL_MVM_FTM_INITIATOR_SMOOTH_OVERSHOOT;
1250 alpha = IWL_MVM_FTM_INITIATOR_SMOOTH_ALPHA;
1252 rtt_avg = div_s64(alpha * rtt + (100 - alpha) * resp->rtt_avg, 100);
1255 "%pM: prev rtt_avg=%lld, new rtt_avg=%lld, rtt=%lld\n",
1256 resp->addr, resp->rtt_avg, rtt_avg, rtt);
1259 * update the responder's average RTT results regardless of
1260 * the under/over shoot logic below
1262 resp->rtt_avg = rtt_avg;
1264 /* smooth the results */
1265 if (rtt_avg > rtt && (rtt_avg - rtt) > undershoot) {
1266 res->ftm.rtt_avg = rtt_avg;
1269 "undershoot: val=%lld\n",
1271 } else if (rtt_avg < rtt && (rtt - rtt_avg) >
1273 res->ftm.rtt_avg = rtt_avg;
1275 "overshoot: val=%lld\n",
1280 resp->host_time = res->host_time;
1283 static void iwl_mvm_debug_range_resp(struct iwl_mvm *mvm, u8 index,
1284 struct cfg80211_pmsr_result *res)
1286 s64 rtt_avg = div_s64(res->ftm.rtt_avg * 100, 6666);
1288 IWL_DEBUG_INFO(mvm, "entry %d\n", index);
1289 IWL_DEBUG_INFO(mvm, "\tstatus: %d\n", res->status);
1290 IWL_DEBUG_INFO(mvm, "\tBSSID: %pM\n", res->addr);
1291 IWL_DEBUG_INFO(mvm, "\thost time: %llu\n", res->host_time);
1292 IWL_DEBUG_INFO(mvm, "\tburst index: %d\n", res->ftm.burst_index);
1293 IWL_DEBUG_INFO(mvm, "\tsuccess num: %u\n", res->ftm.num_ftmr_successes);
1294 IWL_DEBUG_INFO(mvm, "\trssi: %d\n", res->ftm.rssi_avg);
1295 IWL_DEBUG_INFO(mvm, "\trssi spread: %d\n", res->ftm.rssi_spread);
1296 IWL_DEBUG_INFO(mvm, "\trtt: %lld\n", res->ftm.rtt_avg);
1297 IWL_DEBUG_INFO(mvm, "\trtt var: %llu\n", res->ftm.rtt_variance);
1298 IWL_DEBUG_INFO(mvm, "\trtt spread: %llu\n", res->ftm.rtt_spread);
1299 IWL_DEBUG_INFO(mvm, "\tdistance: %lld\n", rtt_avg);
1303 iwl_mvm_ftm_pasn_update_pn(struct iwl_mvm *mvm,
1304 struct iwl_tof_range_rsp_ap_entry_ntfy_v6 *fw_ap)
1306 struct iwl_mvm_ftm_pasn_entry *entry;
1308 lockdep_assert_held(&mvm->mutex);
1310 list_for_each_entry(entry, &mvm->ftm_initiator.pasn_list, list) {
1311 if (memcmp(fw_ap->bssid, entry->addr, sizeof(entry->addr)))
1314 memcpy(entry->rx_pn, fw_ap->rx_pn, sizeof(entry->rx_pn));
1315 memcpy(entry->tx_pn, fw_ap->tx_pn, sizeof(entry->tx_pn));
1320 static u8 iwl_mvm_ftm_get_range_resp_ver(struct iwl_mvm *mvm)
1322 if (!fw_has_api(&mvm->fw->ucode_capa,
1323 IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ))
1326 /* Starting from version 8, the FW advertises the version */
1327 if (mvm->cmd_ver.range_resp >= 8)
1328 return mvm->cmd_ver.range_resp;
1329 else if (fw_has_api(&mvm->fw->ucode_capa,
1330 IWL_UCODE_TLV_API_FTM_RTT_ACCURACY))
1333 /* The first version of the new range request API */
1337 static bool iwl_mvm_ftm_resp_size_validation(u8 ver, unsigned int pkt_len)
1342 return pkt_len == sizeof(struct iwl_tof_range_rsp_ntfy_v8);
1344 return pkt_len == sizeof(struct iwl_tof_range_rsp_ntfy_v7);
1346 return pkt_len == sizeof(struct iwl_tof_range_rsp_ntfy_v6);
1348 return pkt_len == sizeof(struct iwl_tof_range_rsp_ntfy_v5);
1350 WARN_ONCE(1, "FTM: unsupported range response version %u", ver);
1355 void iwl_mvm_ftm_range_resp(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
1357 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1358 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1359 struct iwl_tof_range_rsp_ntfy_v5 *fw_resp_v5 = (void *)pkt->data;
1360 struct iwl_tof_range_rsp_ntfy_v6 *fw_resp_v6 = (void *)pkt->data;
1361 struct iwl_tof_range_rsp_ntfy_v7 *fw_resp_v7 = (void *)pkt->data;
1362 struct iwl_tof_range_rsp_ntfy_v8 *fw_resp_v8 = (void *)pkt->data;
1364 bool new_api = fw_has_api(&mvm->fw->ucode_capa,
1365 IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ);
1366 u8 num_of_aps, last_in_batch;
1367 u8 notif_ver = iwl_mvm_ftm_get_range_resp_ver(mvm);
1369 lockdep_assert_held(&mvm->mutex);
1371 if (!mvm->ftm_initiator.req) {
1375 if (unlikely(!iwl_mvm_ftm_resp_size_validation(notif_ver, pkt_len)))
1379 if (iwl_mvm_ftm_range_resp_valid(mvm, fw_resp_v8->request_id,
1380 fw_resp_v8->num_of_aps))
1383 num_of_aps = fw_resp_v8->num_of_aps;
1384 last_in_batch = fw_resp_v8->last_report;
1386 if (iwl_mvm_ftm_range_resp_valid(mvm, fw_resp_v5->request_id,
1387 fw_resp_v5->num_of_aps))
1390 num_of_aps = fw_resp_v5->num_of_aps;
1391 last_in_batch = fw_resp_v5->last_in_batch;
1394 IWL_DEBUG_INFO(mvm, "Range response received\n");
1395 IWL_DEBUG_INFO(mvm, "request id: %lld, num of entries: %u\n",
1396 mvm->ftm_initiator.req->cookie, num_of_aps);
1398 for (i = 0; i < num_of_aps && i < IWL_MVM_TOF_MAX_APS; i++) {
1399 struct cfg80211_pmsr_result result = {};
1400 struct iwl_tof_range_rsp_ap_entry_ntfy_v6 *fw_ap;
1404 if (notif_ver >= 8) {
1405 fw_ap = &fw_resp_v8->ap[i];
1406 iwl_mvm_ftm_pasn_update_pn(mvm, fw_ap);
1407 } else if (notif_ver == 7) {
1408 fw_ap = (void *)&fw_resp_v7->ap[i];
1410 fw_ap = (void *)&fw_resp_v6->ap[i];
1413 result.final = fw_ap->last_burst;
1414 result.ap_tsf = le32_to_cpu(fw_ap->start_tsf);
1415 result.ap_tsf_valid = 1;
1417 /* the first part is the same for old and new APIs */
1418 fw_ap = (void *)&fw_resp_v5->ap[i];
1420 * FIXME: the firmware needs to report this, we don't
1421 * even know the number of bursts the responder picked
1422 * (if we asked it to)
1427 peer_idx = iwl_mvm_ftm_find_peer(mvm->ftm_initiator.req,
1431 "Unknown address (%pM, target #%d) in FTM response\n",
1436 switch (fw_ap->measure_status) {
1437 case IWL_TOF_ENTRY_SUCCESS:
1438 result.status = NL80211_PMSR_STATUS_SUCCESS;
1440 case IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT:
1441 result.status = NL80211_PMSR_STATUS_TIMEOUT;
1443 case IWL_TOF_ENTRY_NO_RESPONSE:
1444 result.status = NL80211_PMSR_STATUS_FAILURE;
1445 result.ftm.failure_reason =
1446 NL80211_PMSR_FTM_FAILURE_NO_RESPONSE;
1448 case IWL_TOF_ENTRY_REQUEST_REJECTED:
1449 result.status = NL80211_PMSR_STATUS_FAILURE;
1450 result.ftm.failure_reason =
1451 NL80211_PMSR_FTM_FAILURE_PEER_BUSY;
1452 result.ftm.busy_retry_time = fw_ap->refusal_period;
1455 result.status = NL80211_PMSR_STATUS_FAILURE;
1456 result.ftm.failure_reason =
1457 NL80211_PMSR_FTM_FAILURE_UNSPECIFIED;
1460 memcpy(result.addr, fw_ap->bssid, ETH_ALEN);
1461 result.host_time = iwl_mvm_ftm_get_host_time(mvm,
1463 result.type = NL80211_PMSR_TYPE_FTM;
1464 result.ftm.burst_index = mvm->ftm_initiator.responses[peer_idx];
1465 mvm->ftm_initiator.responses[peer_idx]++;
1466 result.ftm.rssi_avg = fw_ap->rssi;
1467 result.ftm.rssi_avg_valid = 1;
1468 result.ftm.rssi_spread = fw_ap->rssi_spread;
1469 result.ftm.rssi_spread_valid = 1;
1470 result.ftm.rtt_avg = (s32)le32_to_cpu(fw_ap->rtt);
1471 result.ftm.rtt_avg_valid = 1;
1472 result.ftm.rtt_variance = le32_to_cpu(fw_ap->rtt_variance);
1473 result.ftm.rtt_variance_valid = 1;
1474 result.ftm.rtt_spread = le32_to_cpu(fw_ap->rtt_spread);
1475 result.ftm.rtt_spread_valid = 1;
1477 iwl_mvm_ftm_get_lci_civic(mvm, &result);
1479 iwl_mvm_ftm_rtt_smoothing(mvm, &result);
1481 cfg80211_pmsr_report(mvm->ftm_initiator.req_wdev,
1482 mvm->ftm_initiator.req,
1483 &result, GFP_KERNEL);
1485 if (fw_has_api(&mvm->fw->ucode_capa,
1486 IWL_UCODE_TLV_API_FTM_RTT_ACCURACY))
1487 IWL_DEBUG_INFO(mvm, "RTT confidence: %u\n",
1488 fw_ap->rttConfidence);
1490 iwl_mvm_debug_range_resp(mvm, i, &result);
1493 if (last_in_batch) {
1494 cfg80211_pmsr_complete(mvm->ftm_initiator.req_wdev,
1495 mvm->ftm_initiator.req,
1497 iwl_mvm_ftm_reset(mvm);
1501 void iwl_mvm_ftm_lc_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
1503 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1504 const struct ieee80211_mgmt *mgmt = (void *)pkt->data;
1505 size_t len = iwl_rx_packet_payload_len(pkt);
1506 struct iwl_mvm_loc_entry *entry;
1507 const u8 *ies, *lci, *civic, *msr_ie;
1508 size_t ies_len, lci_len = 0, civic_len = 0;
1509 size_t baselen = IEEE80211_MIN_ACTION_SIZE +
1510 sizeof(mgmt->u.action.u.ftm);
1511 static const u8 rprt_type_lci = IEEE80211_SPCT_MSR_RPRT_TYPE_LCI;
1512 static const u8 rprt_type_civic = IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC;
1517 lockdep_assert_held(&mvm->mutex);
1519 ies = mgmt->u.action.u.ftm.variable;
1520 ies_len = len - baselen;
1522 msr_ie = cfg80211_find_ie_match(WLAN_EID_MEASURE_REPORT, ies, ies_len,
1523 &rprt_type_lci, 1, 4);
1526 lci_len = msr_ie[1];
1529 msr_ie = cfg80211_find_ie_match(WLAN_EID_MEASURE_REPORT, ies, ies_len,
1530 &rprt_type_civic, 1, 4);
1533 civic_len = msr_ie[1];
1536 entry = kmalloc(sizeof(*entry) + lci_len + civic_len, GFP_KERNEL);
1540 memcpy(entry->addr, mgmt->bssid, ETH_ALEN);
1542 entry->lci_len = lci_len;
1544 memcpy(entry->buf, lci, lci_len);
1546 entry->civic_len = civic_len;
1548 memcpy(entry->buf + lci_len, civic, civic_len);
1550 list_add_tail(&entry->list, &mvm->ftm_initiator.loc_list);