1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62#include <linux/etherdevice.h>
63#include <linux/math64.h>
64#include <net/cfg80211.h>
65#include "mvm.h"
66#include "iwl-io.h"
67#include "iwl-prph.h"
68#include "constants.h"
69
70struct iwl_mvm_loc_entry {
71 struct list_head list;
72 u8 addr[ETH_ALEN];
73 u8 lci_len, civic_len;
74 u8 buf[];
75};
76
77static void iwl_mvm_ftm_reset(struct iwl_mvm *mvm)
78{
79 struct iwl_mvm_loc_entry *e, *t;
80
81 mvm->ftm_initiator.req = NULL;
82 mvm->ftm_initiator.req_wdev = NULL;
83 memset(mvm->ftm_initiator.responses, 0,
84 sizeof(mvm->ftm_initiator.responses));
85 list_for_each_entry_safe(e, t, &mvm->ftm_initiator.loc_list, list) {
86 list_del(&e->list);
87 kfree(e);
88 }
89}
90
91void iwl_mvm_ftm_restart(struct iwl_mvm *mvm)
92{
93 struct cfg80211_pmsr_result result = {
94 .status = NL80211_PMSR_STATUS_FAILURE,
95 .final = 1,
96 .host_time = ktime_get_boottime_ns(),
97 .type = NL80211_PMSR_TYPE_FTM,
98 };
99 int i;
100
101 lockdep_assert_held(&mvm->mutex);
102
103 if (!mvm->ftm_initiator.req)
104 return;
105
106 for (i = 0; i < mvm->ftm_initiator.req->n_peers; i++) {
107 memcpy(result.addr, mvm->ftm_initiator.req->peers[i].addr,
108 ETH_ALEN);
109 result.ftm.burst_index = mvm->ftm_initiator.responses[i];
110
111 cfg80211_pmsr_report(mvm->ftm_initiator.req_wdev,
112 mvm->ftm_initiator.req,
113 &result, GFP_KERNEL);
114 }
115
116 cfg80211_pmsr_complete(mvm->ftm_initiator.req_wdev,
117 mvm->ftm_initiator.req, GFP_KERNEL);
118 iwl_mvm_ftm_reset(mvm);
119}
120
121static int
122iwl_ftm_range_request_status_to_err(enum iwl_tof_range_request_status s)
123{
124 switch (s) {
125 case IWL_TOF_RANGE_REQUEST_STATUS_SUCCESS:
126 return 0;
127 case IWL_TOF_RANGE_REQUEST_STATUS_BUSY:
128 return -EBUSY;
129 default:
130 WARN_ON_ONCE(1);
131 return -EIO;
132 }
133}
134
135static void iwl_mvm_ftm_cmd_v5(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
136 struct iwl_tof_range_req_cmd_v5 *cmd,
137 struct cfg80211_pmsr_request *req)
138{
139 int i;
140
141 cmd->request_id = req->cookie;
142 cmd->num_of_ap = req->n_peers;
143
144
145 if (!req->timeout || req->timeout > 255 * 100)
146 cmd->req_timeout = 255;
147 else
148 cmd->req_timeout = DIV_ROUND_UP(req->timeout, 100);
149
150
151
152
153
154 cmd->macaddr_random = 1;
155 memcpy(cmd->macaddr_template, req->mac_addr, ETH_ALEN);
156 for (i = 0; i < ETH_ALEN; i++)
157 cmd->macaddr_mask[i] = ~req->mac_addr_mask[i];
158
159 if (vif->bss_conf.assoc)
160 memcpy(cmd->range_req_bssid, vif->bss_conf.bssid, ETH_ALEN);
161 else
162 eth_broadcast_addr(cmd->range_req_bssid);
163}
164
165static void iwl_mvm_ftm_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
166 struct iwl_tof_range_req_cmd *cmd,
167 struct cfg80211_pmsr_request *req)
168{
169 int i;
170
171 cmd->initiator_flags =
172 cpu_to_le32(IWL_TOF_INITIATOR_FLAGS_MACADDR_RANDOM |
173 IWL_TOF_INITIATOR_FLAGS_NON_ASAP_SUPPORT);
174 cmd->request_id = req->cookie;
175 cmd->num_of_ap = req->n_peers;
176
177
178
179
180
181 if (req->timeout)
182 cmd->req_timeout_ms = cpu_to_le32(req->timeout);
183 else
184 cmd->req_timeout_ms = cpu_to_le32(0xfffff);
185
186 memcpy(cmd->macaddr_template, req->mac_addr, ETH_ALEN);
187 for (i = 0; i < ETH_ALEN; i++)
188 cmd->macaddr_mask[i] = ~req->mac_addr_mask[i];
189
190 if (vif->bss_conf.assoc) {
191 memcpy(cmd->range_req_bssid, vif->bss_conf.bssid, ETH_ALEN);
192
193
194 for (i = 0; i < req->n_peers; i++) {
195 if (req->peers[i].report_ap_tsf) {
196 struct iwl_mvm_vif *mvmvif =
197 iwl_mvm_vif_from_mac80211(vif);
198
199 cmd->tsf_mac_id = cpu_to_le32(mvmvif->id);
200 return;
201 }
202 }
203 } else {
204 eth_broadcast_addr(cmd->range_req_bssid);
205 }
206
207
208 cmd->tsf_mac_id = cpu_to_le32(0xff);
209}
210
211static int iwl_mvm_ftm_target_chandef(struct iwl_mvm *mvm,
212 struct cfg80211_pmsr_request_peer *peer,
213 u8 *channel, u8 *bandwidth,
214 u8 *ctrl_ch_position)
215{
216 u32 freq = peer->chandef.chan->center_freq;
217
218 *channel = ieee80211_frequency_to_channel(freq);
219
220 switch (peer->chandef.width) {
221 case NL80211_CHAN_WIDTH_20_NOHT:
222 *bandwidth = IWL_TOF_BW_20_LEGACY;
223 break;
224 case NL80211_CHAN_WIDTH_20:
225 *bandwidth = IWL_TOF_BW_20_HT;
226 break;
227 case NL80211_CHAN_WIDTH_40:
228 *bandwidth = IWL_TOF_BW_40;
229 break;
230 case NL80211_CHAN_WIDTH_80:
231 *bandwidth = IWL_TOF_BW_80;
232 break;
233 default:
234 IWL_ERR(mvm, "Unsupported BW in FTM request (%d)\n",
235 peer->chandef.width);
236 return -EINVAL;
237 }
238
239 *ctrl_ch_position = (peer->chandef.width > NL80211_CHAN_WIDTH_20) ?
240 iwl_mvm_get_ctrl_pos(&peer->chandef) : 0;
241
242 return 0;
243}
244
245static int
246iwl_mvm_ftm_put_target_v2(struct iwl_mvm *mvm,
247 struct cfg80211_pmsr_request_peer *peer,
248 struct iwl_tof_range_req_ap_entry_v2 *target)
249{
250 int ret;
251
252 ret = iwl_mvm_ftm_target_chandef(mvm, peer, &target->channel_num,
253 &target->bandwidth,
254 &target->ctrl_ch_position);
255 if (ret)
256 return ret;
257
258 memcpy(target->bssid, peer->addr, ETH_ALEN);
259 target->burst_period =
260 cpu_to_le16(peer->ftm.burst_period);
261 target->samples_per_burst = peer->ftm.ftms_per_burst;
262 target->num_of_bursts = peer->ftm.num_bursts_exp;
263 target->measure_type = 0;
264 target->retries_per_sample = peer->ftm.ftmr_retries;
265 target->asap_mode = peer->ftm.asap;
266 target->enable_dyn_ack = IWL_MVM_FTM_INITIATOR_DYNACK;
267
268 if (peer->ftm.request_lci)
269 target->location_req |= IWL_TOF_LOC_LCI;
270 if (peer->ftm.request_civicloc)
271 target->location_req |= IWL_TOF_LOC_CIVIC;
272
273 target->algo_type = IWL_MVM_FTM_INITIATOR_ALGO;
274
275 return 0;
276}
277
278#define FTM_PUT_FLAG(flag) (target->initiator_ap_flags |= \
279 cpu_to_le32(IWL_INITIATOR_AP_FLAGS_##flag))
280
281static int iwl_mvm_ftm_put_target(struct iwl_mvm *mvm,
282 struct cfg80211_pmsr_request_peer *peer,
283 struct iwl_tof_range_req_ap_entry *target)
284{
285 int ret;
286
287 ret = iwl_mvm_ftm_target_chandef(mvm, peer, &target->channel_num,
288 &target->bandwidth,
289 &target->ctrl_ch_position);
290 if (ret)
291 return ret;
292
293 memcpy(target->bssid, peer->addr, ETH_ALEN);
294 target->burst_period =
295 cpu_to_le16(peer->ftm.burst_period);
296 target->samples_per_burst = peer->ftm.ftms_per_burst;
297 target->num_of_bursts = peer->ftm.num_bursts_exp;
298 target->ftmr_max_retries = peer->ftm.ftmr_retries;
299 target->initiator_ap_flags = cpu_to_le32(0);
300
301 if (peer->ftm.asap)
302 FTM_PUT_FLAG(ASAP);
303
304 if (peer->ftm.request_lci)
305 FTM_PUT_FLAG(LCI_REQUEST);
306
307 if (peer->ftm.request_civicloc)
308 FTM_PUT_FLAG(CIVIC_REQUEST);
309
310 if (IWL_MVM_FTM_INITIATOR_DYNACK)
311 FTM_PUT_FLAG(DYN_ACK);
312
313 if (IWL_MVM_FTM_INITIATOR_ALGO == IWL_TOF_ALGO_TYPE_LINEAR_REG)
314 FTM_PUT_FLAG(ALGO_LR);
315 else if (IWL_MVM_FTM_INITIATOR_ALGO == IWL_TOF_ALGO_TYPE_FFT)
316 FTM_PUT_FLAG(ALGO_FFT);
317
318 return 0;
319}
320
321int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
322 struct cfg80211_pmsr_request *req)
323{
324 struct iwl_tof_range_req_cmd_v5 cmd_v5;
325 struct iwl_tof_range_req_cmd cmd;
326 bool new_api = fw_has_api(&mvm->fw->ucode_capa,
327 IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ);
328 u8 num_of_ap;
329 struct iwl_host_cmd hcmd = {
330 .id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0),
331 .dataflags[0] = IWL_HCMD_DFL_DUP,
332 };
333 u32 status = 0;
334 int err, i;
335
336 lockdep_assert_held(&mvm->mutex);
337
338 if (mvm->ftm_initiator.req)
339 return -EBUSY;
340
341 if (new_api) {
342 iwl_mvm_ftm_cmd(mvm, vif, &cmd, req);
343 hcmd.data[0] = &cmd;
344 hcmd.len[0] = sizeof(cmd);
345 num_of_ap = cmd.num_of_ap;
346 } else {
347 iwl_mvm_ftm_cmd_v5(mvm, vif, &cmd_v5, req);
348 hcmd.data[0] = &cmd_v5;
349 hcmd.len[0] = sizeof(cmd_v5);
350 num_of_ap = cmd_v5.num_of_ap;
351 }
352
353 for (i = 0; i < num_of_ap; i++) {
354 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
355
356 if (new_api)
357 err = iwl_mvm_ftm_put_target(mvm, peer, &cmd.ap[i]);
358 else
359 err = iwl_mvm_ftm_put_target_v2(mvm, peer,
360 &cmd_v5.ap[i]);
361
362 if (err)
363 return err;
364 }
365
366 err = iwl_mvm_send_cmd_status(mvm, &hcmd, &status);
367 if (!err && status) {
368 IWL_ERR(mvm, "FTM range request command failure, status: %u\n",
369 status);
370 err = iwl_ftm_range_request_status_to_err(status);
371 }
372
373 if (!err) {
374 mvm->ftm_initiator.req = req;
375 mvm->ftm_initiator.req_wdev = ieee80211_vif_to_wdev(vif);
376 }
377
378 return err;
379}
380
381void iwl_mvm_ftm_abort(struct iwl_mvm *mvm, struct cfg80211_pmsr_request *req)
382{
383 struct iwl_tof_range_abort_cmd cmd = {
384 .request_id = req->cookie,
385 };
386
387 lockdep_assert_held(&mvm->mutex);
388
389 if (req != mvm->ftm_initiator.req)
390 return;
391
392 if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_RANGE_ABORT_CMD,
393 LOCATION_GROUP, 0),
394 0, sizeof(cmd), &cmd))
395 IWL_ERR(mvm, "failed to abort FTM process\n");
396}
397
398static int iwl_mvm_ftm_find_peer(struct cfg80211_pmsr_request *req,
399 const u8 *addr)
400{
401 int i;
402
403 for (i = 0; i < req->n_peers; i++) {
404 struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
405
406 if (ether_addr_equal_unaligned(peer->addr, addr))
407 return i;
408 }
409
410 return -ENOENT;
411}
412
413static u64 iwl_mvm_ftm_get_host_time(struct iwl_mvm *mvm, __le32 fw_gp2_ts)
414{
415 u32 gp2_ts = le32_to_cpu(fw_gp2_ts);
416 u32 curr_gp2, diff;
417 u64 now_from_boot_ns;
418
419 iwl_mvm_get_sync_time(mvm, &curr_gp2, &now_from_boot_ns);
420
421 if (curr_gp2 >= gp2_ts)
422 diff = curr_gp2 - gp2_ts;
423 else
424 diff = curr_gp2 + (U32_MAX - gp2_ts + 1);
425
426 return now_from_boot_ns - (u64)diff * 1000;
427}
428
429static void iwl_mvm_ftm_get_lci_civic(struct iwl_mvm *mvm,
430 struct cfg80211_pmsr_result *res)
431{
432 struct iwl_mvm_loc_entry *entry;
433
434 list_for_each_entry(entry, &mvm->ftm_initiator.loc_list, list) {
435 if (!ether_addr_equal_unaligned(res->addr, entry->addr))
436 continue;
437
438 if (entry->lci_len) {
439 res->ftm.lci_len = entry->lci_len;
440 res->ftm.lci = entry->buf;
441 }
442
443 if (entry->civic_len) {
444 res->ftm.civicloc_len = entry->civic_len;
445 res->ftm.civicloc = entry->buf + entry->lci_len;
446 }
447
448
449 break;
450 }
451}
452
453static int iwl_mvm_ftm_range_resp_valid(struct iwl_mvm *mvm, u8 request_id,
454 u8 num_of_aps)
455{
456 lockdep_assert_held(&mvm->mutex);
457
458 if (request_id != (u8)mvm->ftm_initiator.req->cookie) {
459 IWL_ERR(mvm, "Request ID mismatch, got %u, active %u\n",
460 request_id, (u8)mvm->ftm_initiator.req->cookie);
461 return -EINVAL;
462 }
463
464 if (num_of_aps > mvm->ftm_initiator.req->n_peers) {
465 IWL_ERR(mvm, "FTM range response invalid\n");
466 return -EINVAL;
467 }
468
469 return 0;
470}
471
472static void iwl_mvm_debug_range_resp(struct iwl_mvm *mvm, u8 index,
473 struct cfg80211_pmsr_result *res)
474{
475 s64 rtt_avg = div_s64(res->ftm.rtt_avg * 100, 6666);
476
477 IWL_DEBUG_INFO(mvm, "entry %d\n", index);
478 IWL_DEBUG_INFO(mvm, "\tstatus: %d\n", res->status);
479 IWL_DEBUG_INFO(mvm, "\tBSSID: %pM\n", res->addr);
480 IWL_DEBUG_INFO(mvm, "\thost time: %llu\n", res->host_time);
481 IWL_DEBUG_INFO(mvm, "\tburst index: %hhu\n", res->ftm.burst_index);
482 IWL_DEBUG_INFO(mvm, "\tsuccess num: %u\n", res->ftm.num_ftmr_successes);
483 IWL_DEBUG_INFO(mvm, "\trssi: %d\n", res->ftm.rssi_avg);
484 IWL_DEBUG_INFO(mvm, "\trssi spread: %hhu\n", res->ftm.rssi_spread);
485 IWL_DEBUG_INFO(mvm, "\trtt: %lld\n", res->ftm.rtt_avg);
486 IWL_DEBUG_INFO(mvm, "\trtt var: %llu\n", res->ftm.rtt_variance);
487 IWL_DEBUG_INFO(mvm, "\trtt spread: %llu\n", res->ftm.rtt_spread);
488 IWL_DEBUG_INFO(mvm, "\tdistance: %lld\n", rtt_avg);
489}
490
491void iwl_mvm_ftm_range_resp(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
492{
493 struct iwl_rx_packet *pkt = rxb_addr(rxb);
494 struct iwl_tof_range_rsp_ntfy_v5 *fw_resp_v5 = (void *)pkt->data;
495 struct iwl_tof_range_rsp_ntfy_v6 *fw_resp_v6 = (void *)pkt->data;
496 struct iwl_tof_range_rsp_ntfy *fw_resp = (void *)pkt->data;
497 int i;
498 bool new_api = fw_has_api(&mvm->fw->ucode_capa,
499 IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ);
500 u8 num_of_aps, last_in_batch;
501
502 lockdep_assert_held(&mvm->mutex);
503
504 if (!mvm->ftm_initiator.req) {
505 IWL_ERR(mvm, "Got FTM response but have no request?\n");
506 return;
507 }
508
509 if (new_api) {
510 if (iwl_mvm_ftm_range_resp_valid(mvm, fw_resp->request_id,
511 fw_resp->num_of_aps))
512 return;
513
514 num_of_aps = fw_resp->num_of_aps;
515 last_in_batch = fw_resp->last_report;
516 } else {
517 if (iwl_mvm_ftm_range_resp_valid(mvm, fw_resp_v5->request_id,
518 fw_resp_v5->num_of_aps))
519 return;
520
521 num_of_aps = fw_resp_v5->num_of_aps;
522 last_in_batch = fw_resp_v5->last_in_batch;
523 }
524
525 IWL_DEBUG_INFO(mvm, "Range response received\n");
526 IWL_DEBUG_INFO(mvm, "request id: %lld, num of entries: %hhu\n",
527 mvm->ftm_initiator.req->cookie, num_of_aps);
528
529 for (i = 0; i < num_of_aps && i < IWL_MVM_TOF_MAX_APS; i++) {
530 struct cfg80211_pmsr_result result = {};
531 struct iwl_tof_range_rsp_ap_entry_ntfy *fw_ap;
532 int peer_idx;
533
534 if (new_api) {
535 if (fw_has_api(&mvm->fw->ucode_capa,
536 IWL_UCODE_TLV_API_FTM_RTT_ACCURACY))
537 fw_ap = &fw_resp->ap[i];
538 else
539 fw_ap = (void *)&fw_resp_v6->ap[i];
540
541 result.final = fw_resp->ap[i].last_burst;
542 result.ap_tsf = le32_to_cpu(fw_ap->start_tsf);
543 result.ap_tsf_valid = 1;
544 } else {
545
546 fw_ap = (void *)&fw_resp_v5->ap[i];
547
548
549
550
551
552 result.final = 0;
553 }
554
555 peer_idx = iwl_mvm_ftm_find_peer(mvm->ftm_initiator.req,
556 fw_ap->bssid);
557 if (peer_idx < 0) {
558 IWL_WARN(mvm,
559 "Unknown address (%pM, target #%d) in FTM response\n",
560 fw_ap->bssid, i);
561 continue;
562 }
563
564 switch (fw_ap->measure_status) {
565 case IWL_TOF_ENTRY_SUCCESS:
566 result.status = NL80211_PMSR_STATUS_SUCCESS;
567 break;
568 case IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT:
569 result.status = NL80211_PMSR_STATUS_TIMEOUT;
570 break;
571 case IWL_TOF_ENTRY_NO_RESPONSE:
572 result.status = NL80211_PMSR_STATUS_FAILURE;
573 result.ftm.failure_reason =
574 NL80211_PMSR_FTM_FAILURE_NO_RESPONSE;
575 break;
576 case IWL_TOF_ENTRY_REQUEST_REJECTED:
577 result.status = NL80211_PMSR_STATUS_FAILURE;
578 result.ftm.failure_reason =
579 NL80211_PMSR_FTM_FAILURE_PEER_BUSY;
580 result.ftm.busy_retry_time = fw_ap->refusal_period;
581 break;
582 default:
583 result.status = NL80211_PMSR_STATUS_FAILURE;
584 result.ftm.failure_reason =
585 NL80211_PMSR_FTM_FAILURE_UNSPECIFIED;
586 break;
587 }
588 memcpy(result.addr, fw_ap->bssid, ETH_ALEN);
589 result.host_time = iwl_mvm_ftm_get_host_time(mvm,
590 fw_ap->timestamp);
591 result.type = NL80211_PMSR_TYPE_FTM;
592 result.ftm.burst_index = mvm->ftm_initiator.responses[peer_idx];
593 mvm->ftm_initiator.responses[peer_idx]++;
594 result.ftm.rssi_avg = fw_ap->rssi;
595 result.ftm.rssi_avg_valid = 1;
596 result.ftm.rssi_spread = fw_ap->rssi_spread;
597 result.ftm.rssi_spread_valid = 1;
598 result.ftm.rtt_avg = (s32)le32_to_cpu(fw_ap->rtt);
599 result.ftm.rtt_avg_valid = 1;
600 result.ftm.rtt_variance = le32_to_cpu(fw_ap->rtt_variance);
601 result.ftm.rtt_variance_valid = 1;
602 result.ftm.rtt_spread = le32_to_cpu(fw_ap->rtt_spread);
603 result.ftm.rtt_spread_valid = 1;
604
605 iwl_mvm_ftm_get_lci_civic(mvm, &result);
606
607 cfg80211_pmsr_report(mvm->ftm_initiator.req_wdev,
608 mvm->ftm_initiator.req,
609 &result, GFP_KERNEL);
610
611 if (fw_has_api(&mvm->fw->ucode_capa,
612 IWL_UCODE_TLV_API_FTM_RTT_ACCURACY))
613 IWL_DEBUG_INFO(mvm, "RTT confidence: %hhu\n",
614 fw_ap->rttConfidence);
615
616 iwl_mvm_debug_range_resp(mvm, i, &result);
617 }
618
619 if (last_in_batch) {
620 cfg80211_pmsr_complete(mvm->ftm_initiator.req_wdev,
621 mvm->ftm_initiator.req,
622 GFP_KERNEL);
623 iwl_mvm_ftm_reset(mvm);
624 }
625}
626
627void iwl_mvm_ftm_lc_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
628{
629 struct iwl_rx_packet *pkt = rxb_addr(rxb);
630 const struct ieee80211_mgmt *mgmt = (void *)pkt->data;
631 size_t len = iwl_rx_packet_payload_len(pkt);
632 struct iwl_mvm_loc_entry *entry;
633 const u8 *ies, *lci, *civic, *msr_ie;
634 size_t ies_len, lci_len = 0, civic_len = 0;
635 size_t baselen = IEEE80211_MIN_ACTION_SIZE +
636 sizeof(mgmt->u.action.u.ftm);
637 static const u8 rprt_type_lci = IEEE80211_SPCT_MSR_RPRT_TYPE_LCI;
638 static const u8 rprt_type_civic = IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC;
639
640 if (len <= baselen)
641 return;
642
643 lockdep_assert_held(&mvm->mutex);
644
645 ies = mgmt->u.action.u.ftm.variable;
646 ies_len = len - baselen;
647
648 msr_ie = cfg80211_find_ie_match(WLAN_EID_MEASURE_REPORT, ies, ies_len,
649 &rprt_type_lci, 1, 4);
650 if (msr_ie) {
651 lci = msr_ie + 2;
652 lci_len = msr_ie[1];
653 }
654
655 msr_ie = cfg80211_find_ie_match(WLAN_EID_MEASURE_REPORT, ies, ies_len,
656 &rprt_type_civic, 1, 4);
657 if (msr_ie) {
658 civic = msr_ie + 2;
659 civic_len = msr_ie[1];
660 }
661
662 entry = kmalloc(sizeof(*entry) + lci_len + civic_len, GFP_KERNEL);
663 if (!entry)
664 return;
665
666 memcpy(entry->addr, mgmt->bssid, ETH_ALEN);
667
668 entry->lci_len = lci_len;
669 if (lci_len)
670 memcpy(entry->buf, lci, lci_len);
671
672 entry->civic_len = civic_len;
673 if (civic_len)
674 memcpy(entry->buf + lci_len, civic, civic_len);
675
676 list_add_tail(&entry->list, &mvm->ftm_initiator.loc_list);
677}
678
