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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / net / wireless / intel / iwlwifi / mvm / rxmq.c
bloba2f16bfaec4413c20e99cd290229b34c2f49298f
1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2015-2017 Intel Deutschland GmbH
6 */
7 #include <linux/etherdevice.h>
8 #include <linux/skbuff.h>
9 #include "iwl-trans.h"
10 #include "mvm.h"
11 #include "fw-api.h"
12 #include "time-sync.h"
13
14 static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb,
15 int queue, struct ieee80211_sta *sta)
16 {
17 struct iwl_mvm_sta *mvmsta;
18 struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
19 struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb);
20 struct iwl_mvm_key_pn *ptk_pn;
21 int res;
22 u8 tid, keyidx;
23 u8 pn[IEEE80211_CCMP_PN_LEN];
24 u8 *extiv;
25
26 /* do PN checking */
27
28 /* multicast and non-data only arrives on default queue */
29 if (!ieee80211_is_data(hdr->frame_control) ||
30 is_multicast_ether_addr(hdr->addr1))
31 return 0;
32
33 /* do not check PN for open AP */
34 if (!(stats->flag & RX_FLAG_DECRYPTED))
35 return 0;
36
37 /*
38 * avoid checking for default queue - we don't want to replicate
39 * all the logic that's necessary for checking the PN on fragmented
40 * frames, leave that to mac80211
41 */
42 if (queue == 0)
43 return 0;
44
45 /* if we are here - this for sure is either CCMP or GCMP */
46 if (IS_ERR_OR_NULL(sta)) {
47 IWL_DEBUG_DROP(mvm,
48 "expected hw-decrypted unicast frame for station\n");
49 return -1;
50 }
51
52 mvmsta = iwl_mvm_sta_from_mac80211(sta);
53
54 extiv = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
55 keyidx = extiv[3] >> 6;
56
57 ptk_pn = rcu_dereference(mvmsta->ptk_pn[keyidx]);
58 if (!ptk_pn)
59 return -1;
60
61 if (ieee80211_is_data_qos(hdr->frame_control))
62 tid = ieee80211_get_tid(hdr);
63 else
64 tid = 0;
65
66 /* we don't use HCCA/802.11 QoS TSPECs, so drop such frames */
67 if (tid >= IWL_MAX_TID_COUNT)
68 return -1;
69
70 /* load pn */
71 pn[0] = extiv[7];
72 pn[1] = extiv[6];
73 pn[2] = extiv[5];
74 pn[3] = extiv[4];
75 pn[4] = extiv[1];
76 pn[5] = extiv[0];
77
78 res = memcmp(pn, ptk_pn->q[queue].pn[tid], IEEE80211_CCMP_PN_LEN);
79 if (res < 0)
80 return -1;
81 if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN))
82 return -1;
83
84 memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN);
85 stats->flag |= RX_FLAG_PN_VALIDATED;
86
87 return 0;
88 }
89
90 /* iwl_mvm_create_skb Adds the rxb to a new skb */
91 static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
92 struct ieee80211_hdr *hdr, u16 len, u8 crypt_len,
93 struct iwl_rx_cmd_buffer *rxb)
94 {
95 struct iwl_rx_packet *pkt = rxb_addr(rxb);
96 struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
97 unsigned int headlen, fraglen, pad_len = 0;
98 unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
99 u8 mic_crc_len = u8_get_bits(desc->mac_flags1,
100 IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK) << 1;
101
102 if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
103 len -= 2;
104 pad_len = 2;
105 }
106
107 /*
108 * For non monitor interface strip the bytes the RADA might not have
109 * removed (it might be disabled, e.g. for mgmt frames). As a monitor
110 * interface cannot exist with other interfaces, this removal is safe
111 * and sufficient, in monitor mode there's no decryption being done.
112 */
113 if (len > mic_crc_len && !ieee80211_hw_check(mvm->hw, RX_INCLUDES_FCS))
114 len -= mic_crc_len;
115
116 /* If frame is small enough to fit in skb->head, pull it completely.
117 * If not, only pull ieee80211_hdr (including crypto if present, and
118 * an additional 8 bytes for SNAP/ethertype, see below) so that
119 * splice() or TCP coalesce are more efficient.
120 *
121 * Since, in addition, ieee80211_data_to_8023() always pull in at
122 * least 8 bytes (possibly more for mesh) we can do the same here
123 * to save the cost of doing it later. That still doesn't pull in
124 * the actual IP header since the typical case has a SNAP header.
125 * If the latter changes (there are efforts in the standards group
126 * to do so) we should revisit this and ieee80211_data_to_8023().
127 */
128 headlen = (len <= skb_tailroom(skb)) ? len :
129 hdrlen + crypt_len + 8;
130
131 /* The firmware may align the packet to DWORD.
132 * The padding is inserted after the IV.
133 * After copying the header + IV skip the padding if
134 * present before copying packet data.
135 */
136 hdrlen += crypt_len;
137
138 if (unlikely(headlen < hdrlen))
139 return -EINVAL;
140
141 /* Since data doesn't move data while putting data on skb and that is
142 * the only way we use, data + len is the next place that hdr would be put
143 */
144 skb_set_mac_header(skb, skb->len);
145 skb_put_data(skb, hdr, hdrlen);
146 skb_put_data(skb, (u8 *)hdr + hdrlen + pad_len, headlen - hdrlen);
147
148 /*
149 * If we did CHECKSUM_COMPLETE, the hardware only does it right for
150 * certain cases and starts the checksum after the SNAP. Check if
151 * this is the case - it's easier to just bail out to CHECKSUM_NONE
152 * in the cases the hardware didn't handle, since it's rare to see
153 * such packets, even though the hardware did calculate the checksum
154 * in this case, just starting after the MAC header instead.
155 *
156 * Starting from Bz hardware, it calculates starting directly after
157 * the MAC header, so that matches mac80211's expectation.
158 */
159 if (skb->ip_summed == CHECKSUM_COMPLETE) {
160 struct {
161 u8 hdr[6];
162 __be16 type;
163 } __packed *shdr = (void *)((u8 *)hdr + hdrlen + pad_len);
164
165 if (unlikely(headlen - hdrlen < sizeof(*shdr) ||
166 !ether_addr_equal(shdr->hdr, rfc1042_header) ||
167 (shdr->type != htons(ETH_P_IP) &&
168 shdr->type != htons(ETH_P_ARP) &&
169 shdr->type != htons(ETH_P_IPV6) &&
170 shdr->type != htons(ETH_P_8021Q) &&
171 shdr->type != htons(ETH_P_PAE) &&
172 shdr->type != htons(ETH_P_TDLS))))
173 skb->ip_summed = CHECKSUM_NONE;
174 else if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
175 /* mac80211 assumes full CSUM including SNAP header */
176 skb_postpush_rcsum(skb, shdr, sizeof(*shdr));
177 }
178
179 fraglen = len - headlen;
180
181 if (fraglen) {
182 int offset = (u8 *)hdr + headlen + pad_len -
183 (u8 *)rxb_addr(rxb) + rxb_offset(rxb);
184
185 skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
186 fraglen, rxb->truesize);
187 }
188
189 return 0;
190 }
191
192 /* put a TLV on the skb and return data pointer
193 *
194 * Also pad to 4 the len and zero out all data part
195 */
196 static void *
197 iwl_mvm_radiotap_put_tlv(struct sk_buff *skb, u16 type, u16 len)
198 {
199 struct ieee80211_radiotap_tlv *tlv;
200
201 tlv = skb_put(skb, sizeof(*tlv));
202 tlv->type = cpu_to_le16(type);
203 tlv->len = cpu_to_le16(len);
204 return skb_put_zero(skb, ALIGN(len, 4));
205 }
206
207 static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm,
208 struct sk_buff *skb)
209 {
210 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
211 struct ieee80211_radiotap_vendor_content *radiotap;
212 const u16 vendor_data_len = sizeof(mvm->cur_aid);
213
214 if (!mvm->cur_aid)
215 return;
216
217 radiotap = iwl_mvm_radiotap_put_tlv(skb,
218 IEEE80211_RADIOTAP_VENDOR_NAMESPACE,
219 sizeof(*radiotap) + vendor_data_len);
220
221 /* Intel OUI */
222 radiotap->oui[0] = 0xf6;
223 radiotap->oui[1] = 0x54;
224 radiotap->oui[2] = 0x25;
225 /* radiotap sniffer config sub-namespace */
226 radiotap->oui_subtype = 1;
227 radiotap->vendor_type = 0;
228
229 /* fill the data now */
230 memcpy(radiotap->data, &mvm->cur_aid, sizeof(mvm->cur_aid));
231
232 rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
233 }
234
235 /* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
236 static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
237 struct napi_struct *napi,
238 struct sk_buff *skb, int queue,
239 struct ieee80211_sta *sta)
240 {
241 if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) {
242 kfree_skb(skb);
243 return;
244 }
245
246 ieee80211_rx_napi(mvm->hw, sta, skb, napi);
247 }
248
249 static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
250 struct ieee80211_rx_status *rx_status,
251 u32 rate_n_flags, int energy_a,
252 int energy_b)
253 {
254 int max_energy;
255 u32 rate_flags = rate_n_flags;
256
257 energy_a = energy_a ? -energy_a : S8_MIN;
258 energy_b = energy_b ? -energy_b : S8_MIN;
259 max_energy = max(energy_a, energy_b);
260
261 IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n",
262 energy_a, energy_b, max_energy);
263
264 rx_status->signal = max_energy;
265 rx_status->chains =
266 (rate_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS;
267 rx_status->chain_signal[0] = energy_a;
268 rx_status->chain_signal[1] = energy_b;
269 }
270
271 static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
272 struct ieee80211_hdr *hdr,
273 struct iwl_rx_mpdu_desc *desc,
274 u32 status,
275 struct ieee80211_rx_status *stats)
276 {
277 struct wireless_dev *wdev;
278 struct iwl_mvm_sta *mvmsta;
279 struct iwl_mvm_vif *mvmvif;
280 u8 keyid;
281 struct ieee80211_key_conf *key;
282 u32 len = le16_to_cpu(desc->mpdu_len);
283 const u8 *frame = (void *)hdr;
284
285 if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE)
286 return 0;
287
288 /*
289 * For non-beacon, we don't really care. But beacons may
290 * be filtered out, and we thus need the firmware's replay
291 * detection, otherwise beacons the firmware previously
292 * filtered could be replayed, or something like that, and
293 * it can filter a lot - though usually only if nothing has
294 * changed.
295 */
296 if (!ieee80211_is_beacon(hdr->frame_control))
297 return 0;
298
299 if (!sta)
300 return -1;
301
302 mvmsta = iwl_mvm_sta_from_mac80211(sta);
303 mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
304
305 /* key mismatch - will also report !MIC_OK but we shouldn't count it */
306 if (!(status & IWL_RX_MPDU_STATUS_KEY_VALID))
307 goto report;
308
309 /* good cases */
310 if (likely(status & IWL_RX_MPDU_STATUS_MIC_OK &&
311 !(status & IWL_RX_MPDU_STATUS_REPLAY_ERROR))) {
312 stats->flag |= RX_FLAG_DECRYPTED;
313 return 0;
314 }
315
316 /*
317 * both keys will have the same cipher and MIC length, use
318 * whichever one is available
319 */
320 key = rcu_dereference(mvmvif->bcn_prot.keys[0]);
321 if (!key) {
322 key = rcu_dereference(mvmvif->bcn_prot.keys[1]);
323 if (!key)
324 goto report;
325 }
326
327 if (len < key->icv_len + IEEE80211_GMAC_PN_LEN + 2)
328 goto report;
329
330 /* get the real key ID */
331 keyid = frame[len - key->icv_len - IEEE80211_GMAC_PN_LEN - 2];
332 /* and if that's the other key, look it up */
333 if (keyid != key->keyidx) {
334 /*
335 * shouldn't happen since firmware checked, but be safe
336 * in case the MIC length is wrong too, for example
337 */
338 if (keyid != 6 && keyid != 7)
339 return -1;
340 key = rcu_dereference(mvmvif->bcn_prot.keys[keyid - 6]);
341 if (!key)
342 goto report;
343 }
344
345 /* Report status to mac80211 */
346 if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
347 ieee80211_key_mic_failure(key);
348 else if (status & IWL_RX_MPDU_STATUS_REPLAY_ERROR)
349 ieee80211_key_replay(key);
350 report:
351 wdev = ieee80211_vif_to_wdev(mvmsta->vif);
352 if (wdev->netdev)
353 cfg80211_rx_unprot_mlme_mgmt(wdev->netdev, (void *)hdr, len);
354
355 return -1;
356 }
357
358 static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
359 struct ieee80211_hdr *hdr,
360 struct ieee80211_rx_status *stats, u16 phy_info,
361 struct iwl_rx_mpdu_desc *desc,
362 u32 pkt_flags, int queue, u8 *crypt_len)
363 {
364 u32 status = le32_to_cpu(desc->status);
365
366 /*
367 * Drop UNKNOWN frames in aggregation, unless in monitor mode
368 * (where we don't have the keys).
369 * We limit this to aggregation because in TKIP this is a valid
370 * scenario, since we may not have the (correct) TTAK (phase 1
371 * key) in the firmware.
372 */
373 if (phy_info & IWL_RX_MPDU_PHY_AMPDU &&
374 (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
375 IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) {
376 IWL_DEBUG_DROP(mvm, "Dropping packets, bad enc status\n");
377 return -1;
378 }
379
380 if (unlikely(ieee80211_is_mgmt(hdr->frame_control) &&
381 !ieee80211_has_protected(hdr->frame_control)))
382 return iwl_mvm_rx_mgmt_prot(sta, hdr, desc, status, stats);
383
384 if (!ieee80211_has_protected(hdr->frame_control) ||
385 (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
386 IWL_RX_MPDU_STATUS_SEC_NONE)
387 return 0;
388
389 /* TODO: handle packets encrypted with unknown alg */
390
391 switch (status & IWL_RX_MPDU_STATUS_SEC_MASK) {
392 case IWL_RX_MPDU_STATUS_SEC_CCM:
393 case IWL_RX_MPDU_STATUS_SEC_GCM:
394 BUILD_BUG_ON(IEEE80211_CCMP_PN_LEN != IEEE80211_GCMP_PN_LEN);
395 /* alg is CCM: check MIC only */
396 if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) {
397 IWL_DEBUG_DROP(mvm,
398 "Dropping packet, bad MIC (CCM/GCM)\n");
399 return -1;
400 }
401
402 stats->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MIC_STRIPPED;
403 *crypt_len = IEEE80211_CCMP_HDR_LEN;
404 return 0;
405 case IWL_RX_MPDU_STATUS_SEC_TKIP:
406 /* Don't drop the frame and decrypt it in SW */
407 if (!fw_has_api(&mvm->fw->ucode_capa,
408 IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
409 !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK))
410 return 0;
411
412 if (mvm->trans->trans_cfg->gen2 &&
413 !(status & RX_MPDU_RES_STATUS_MIC_OK))
414 stats->flag |= RX_FLAG_MMIC_ERROR;
415
416 *crypt_len = IEEE80211_TKIP_IV_LEN;
417 fallthrough;
418 case IWL_RX_MPDU_STATUS_SEC_WEP:
419 if (!(status & IWL_RX_MPDU_STATUS_ICV_OK))
420 return -1;
421
422 stats->flag |= RX_FLAG_DECRYPTED;
423 if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
424 IWL_RX_MPDU_STATUS_SEC_WEP)
425 *crypt_len = IEEE80211_WEP_IV_LEN;
426
427 if (pkt_flags & FH_RSCSR_RADA_EN) {
428 stats->flag |= RX_FLAG_ICV_STRIPPED;
429 if (mvm->trans->trans_cfg->gen2)
430 stats->flag |= RX_FLAG_MMIC_STRIPPED;
431 }
432
433 return 0;
434 case IWL_RX_MPDU_STATUS_SEC_EXT_ENC:
435 if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
436 return -1;
437 stats->flag |= RX_FLAG_DECRYPTED;
438 return 0;
439 case RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC:
440 break;
441 default:
442 /*
443 * Sometimes we can get frames that were not decrypted
444 * because the firmware didn't have the keys yet. This can
445 * happen after connection where we can get multicast frames
446 * before the GTK is installed.
447 * Silently drop those frames.
448 * Also drop un-decrypted frames in monitor mode.
449 */
450 if (!is_multicast_ether_addr(hdr->addr1) &&
451 !mvm->monitor_on && net_ratelimit())
452 IWL_WARN(mvm, "Unhandled alg: 0x%x\n", status);
453 }
454
455 return 0;
456 }
457
458 static void iwl_mvm_rx_csum(struct iwl_mvm *mvm,
459 struct ieee80211_sta *sta,
460 struct sk_buff *skb,
461 struct iwl_rx_packet *pkt)
462 {
463 struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
464
465 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
466 if (pkt->len_n_flags & cpu_to_le32(FH_RSCSR_RPA_EN)) {
467 u16 hwsum = be16_to_cpu(desc->v3.raw_xsum);
468
469 skb->ip_summed = CHECKSUM_COMPLETE;
470 skb->csum = csum_unfold(~(__force __sum16)hwsum);
471 }
472 } else {
473 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
474 struct iwl_mvm_vif *mvmvif;
475 u16 flags = le16_to_cpu(desc->l3l4_flags);
476 u8 l3_prot = (u8)((flags & IWL_RX_L3L4_L3_PROTO_MASK) >>
477 IWL_RX_L3_PROTO_POS);
478
479 mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
480
481 if (mvmvif->features & NETIF_F_RXCSUM &&
482 flags & IWL_RX_L3L4_TCP_UDP_CSUM_OK &&
483 (flags & IWL_RX_L3L4_IP_HDR_CSUM_OK ||
484 l3_prot == IWL_RX_L3_TYPE_IPV6 ||
485 l3_prot == IWL_RX_L3_TYPE_IPV6_FRAG))
486 skb->ip_summed = CHECKSUM_UNNECESSARY;
487 }
488 }
489
490 /*
491 * returns true if a packet is a duplicate or invalid tid and should be dropped.
492 * Updates AMSDU PN tracking info
493 */
494 static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue,
495 struct ieee80211_rx_status *rx_status,
496 struct ieee80211_hdr *hdr,
497 struct iwl_rx_mpdu_desc *desc)
498 {
499 struct iwl_mvm_sta *mvm_sta;
500 struct iwl_mvm_rxq_dup_data *dup_data;
501 u8 tid, sub_frame_idx;
502
503 if (WARN_ON(IS_ERR_OR_NULL(sta)))
504 return false;
505
506 mvm_sta = iwl_mvm_sta_from_mac80211(sta);
507
508 if (WARN_ON_ONCE(!mvm_sta->dup_data))
509 return false;
510
511 dup_data = &mvm_sta->dup_data[queue];
512
513 /*
514 * Drop duplicate 802.11 retransmissions
515 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
516 */
517 if (ieee80211_is_ctl(hdr->frame_control) ||
518 ieee80211_is_any_nullfunc(hdr->frame_control) ||
519 is_multicast_ether_addr(hdr->addr1))
520 return false;
521
522 if (ieee80211_is_data_qos(hdr->frame_control)) {
523 /* frame has qos control */
524 tid = ieee80211_get_tid(hdr);
525 if (tid >= IWL_MAX_TID_COUNT)
526 return true;
527 } else {
528 tid = IWL_MAX_TID_COUNT;
529 }
530
531 /* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */
532 sub_frame_idx = desc->amsdu_info &
533 IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
534
535 if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
536 dup_data->last_seq[tid] == hdr->seq_ctrl &&
537 dup_data->last_sub_frame[tid] >= sub_frame_idx))
538 return true;
539
540 /* Allow same PN as the first subframe for following sub frames */
541 if (dup_data->last_seq[tid] == hdr->seq_ctrl &&
542 sub_frame_idx > dup_data->last_sub_frame[tid] &&
543 desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU)
544 rx_status->flag |= RX_FLAG_ALLOW_SAME_PN;
545
546 dup_data->last_seq[tid] = hdr->seq_ctrl;
547 dup_data->last_sub_frame[tid] = sub_frame_idx;
548
549 rx_status->flag |= RX_FLAG_DUP_VALIDATED;
550
551 return false;
552 }
553
554 static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
555 struct ieee80211_sta *sta,
556 struct napi_struct *napi,
557 struct iwl_mvm_baid_data *baid_data,
558 struct iwl_mvm_reorder_buffer *reorder_buf,
559 u16 nssn)
560 {
561 struct iwl_mvm_reorder_buf_entry *entries =
562 &baid_data->entries[reorder_buf->queue *
563 baid_data->entries_per_queue];
564 u16 ssn = reorder_buf->head_sn;
565
566 lockdep_assert_held(&reorder_buf->lock);
567
568 while (ieee80211_sn_less(ssn, nssn)) {
569 int index = ssn % baid_data->buf_size;
570 struct sk_buff_head *skb_list = &entries[index].frames;
571 struct sk_buff *skb;
572
573 ssn = ieee80211_sn_inc(ssn);
574
575 /*
576 * Empty the list. Will have more than one frame for A-MSDU.
577 * Empty list is valid as well since nssn indicates frames were
578 * received.
579 */
580 while ((skb = __skb_dequeue(skb_list))) {
581 iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb,
582 reorder_buf->queue,
583 sta);
584 reorder_buf->num_stored--;
585 }
586 }
587 reorder_buf->head_sn = nssn;
588 }
589
590 static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue,
591 struct iwl_mvm_delba_data *data)
592 {
593 struct iwl_mvm_baid_data *ba_data;
594 struct ieee80211_sta *sta;
595 struct iwl_mvm_reorder_buffer *reorder_buf;
596 u8 baid = data->baid;
597 u32 sta_id;
598
599 if (WARN_ONCE(baid >= IWL_MAX_BAID, "invalid BAID: %x\n", baid))
600 return;
601
602 rcu_read_lock();
603
604 ba_data = rcu_dereference(mvm->baid_map[baid]);
605 if (WARN_ON_ONCE(!ba_data))
606 goto out;
607
608 /* pick any STA ID to find the pointer */
609 sta_id = ffs(ba_data->sta_mask) - 1;
610 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
611 if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
612 goto out;
613
614 reorder_buf = &ba_data->reorder_buf[queue];
615
616 /* release all frames that are in the reorder buffer to the stack */
617 spin_lock_bh(&reorder_buf->lock);
618 iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf,
619 ieee80211_sn_add(reorder_buf->head_sn,
620 ba_data->buf_size));
621 spin_unlock_bh(&reorder_buf->lock);
622
623 out:
624 rcu_read_unlock();
625 }
626
627 static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm,
628 struct napi_struct *napi,
629 u8 baid, u16 nssn, int queue)
630 {
631 struct ieee80211_sta *sta;
632 struct iwl_mvm_reorder_buffer *reorder_buf;
633 struct iwl_mvm_baid_data *ba_data;
634 u32 sta_id;
635
636 IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n",
637 baid, nssn);
638
639 if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
640 baid >= ARRAY_SIZE(mvm->baid_map)))
641 return;
642
643 rcu_read_lock();
644
645 ba_data = rcu_dereference(mvm->baid_map[baid]);
646 if (WARN(!ba_data, "BAID %d not found in map\n", baid))
647 goto out;
648
649 /* pick any STA ID to find the pointer */
650 sta_id = ffs(ba_data->sta_mask) - 1;
651 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
652 if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
653 goto out;
654
655 reorder_buf = &ba_data->reorder_buf[queue];
656
657 spin_lock_bh(&reorder_buf->lock);
658 iwl_mvm_release_frames(mvm, sta, napi, ba_data,
659 reorder_buf, nssn);
660 spin_unlock_bh(&reorder_buf->lock);
661
662 out:
663 rcu_read_unlock();
664 }
665
666 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi,
667 struct iwl_rx_cmd_buffer *rxb, int queue)
668 {
669 struct iwl_rx_packet *pkt = rxb_addr(rxb);
670 struct iwl_rxq_sync_notification *notif;
671 struct iwl_mvm_internal_rxq_notif *internal_notif;
672 u32 len = iwl_rx_packet_payload_len(pkt);
673
674 notif = (void *)pkt->data;
675 internal_notif = (void *)notif->payload;
676
677 if (WARN_ONCE(len < sizeof(*notif) + sizeof(*internal_notif),
678 "invalid notification size %d (%d)",
679 len, (int)(sizeof(*notif) + sizeof(*internal_notif))))
680 return;
681 len -= sizeof(*notif) + sizeof(*internal_notif);
682
683 if (WARN_ONCE(internal_notif->sync &&
684 mvm->queue_sync_cookie != internal_notif->cookie,
685 "Received expired RX queue sync message (cookie %d but wanted %d, queue %d)\n",
686 internal_notif->cookie, mvm->queue_sync_cookie, queue))
687 return;
688
689 switch (internal_notif->type) {
690 case IWL_MVM_RXQ_EMPTY:
691 WARN_ONCE(len, "invalid empty notification size %d", len);
692 break;
693 case IWL_MVM_RXQ_NOTIF_DEL_BA:
694 if (WARN_ONCE(len != sizeof(struct iwl_mvm_delba_data),
695 "invalid delba notification size %d (%d)",
696 len, (int)sizeof(struct iwl_mvm_delba_data)))
697 break;
698 iwl_mvm_del_ba(mvm, queue, (void *)internal_notif->data);
699 break;
700 default:
701 WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
702 }
703
704 if (internal_notif->sync) {
705 WARN_ONCE(!test_and_clear_bit(queue, &mvm->queue_sync_state),
706 "queue sync: queue %d responded a second time!\n",
707 queue);
708 if (READ_ONCE(mvm->queue_sync_state) == 0)
709 wake_up(&mvm->rx_sync_waitq);
710 }
711 }
712
713 /*
714 * Returns true if the MPDU was buffered\dropped, false if it should be passed
715 * to upper layer.
716 */
717 static bool iwl_mvm_reorder(struct iwl_mvm *mvm,
718 struct napi_struct *napi,
719 int queue,
720 struct ieee80211_sta *sta,
721 struct sk_buff *skb,
722 struct iwl_rx_mpdu_desc *desc)
723 {
724 struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
725 struct iwl_mvm_baid_data *baid_data;
726 struct iwl_mvm_reorder_buffer *buffer;
727 u32 reorder = le32_to_cpu(desc->reorder_data);
728 bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU;
729 bool last_subframe =
730 desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME;
731 u8 tid = ieee80211_get_tid(hdr);
732 struct iwl_mvm_reorder_buf_entry *entries;
733 u32 sta_mask;
734 int index;
735 u16 nssn, sn;
736 u8 baid;
737
738 baid = (reorder & IWL_RX_MPDU_REORDER_BAID_MASK) >>
739 IWL_RX_MPDU_REORDER_BAID_SHIFT;
740
741 if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000)
742 return false;
743
744 /*
745 * This also covers the case of receiving a Block Ack Request
746 * outside a BA session; we'll pass it to mac80211 and that
747 * then sends a delBA action frame.
748 * This also covers pure monitor mode, in which case we won't
749 * have any BA sessions.
750 */
751 if (baid == IWL_RX_REORDER_DATA_INVALID_BAID)
752 return false;
753
754 /* no sta yet */
755 if (WARN_ONCE(IS_ERR_OR_NULL(sta),
756 "Got valid BAID without a valid station assigned\n"))
757 return false;
758
759 /* not a data packet or a bar */
760 if (!ieee80211_is_back_req(hdr->frame_control) &&
761 (!ieee80211_is_data_qos(hdr->frame_control) ||
762 is_multicast_ether_addr(hdr->addr1)))
763 return false;
764
765 if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
766 return false;
767
768 baid_data = rcu_dereference(mvm->baid_map[baid]);
769 if (!baid_data) {
770 IWL_DEBUG_RX(mvm,
771 "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
772 baid, reorder);
773 return false;
774 }
775
776 sta_mask = iwl_mvm_sta_fw_id_mask(mvm, sta, -1);
777
778 if (IWL_FW_CHECK(mvm,
779 tid != baid_data->tid ||
780 !(sta_mask & baid_data->sta_mask),
781 "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but was received for sta_mask:0x%x tid:%d\n",
782 baid, baid_data->sta_mask, baid_data->tid,
783 sta_mask, tid))
784 return false;
785
786 nssn = reorder & IWL_RX_MPDU_REORDER_NSSN_MASK;
787 sn = (reorder & IWL_RX_MPDU_REORDER_SN_MASK) >>
788 IWL_RX_MPDU_REORDER_SN_SHIFT;
789
790 buffer = &baid_data->reorder_buf[queue];
791 entries = &baid_data->entries[queue * baid_data->entries_per_queue];
792
793 spin_lock_bh(&buffer->lock);
794
795 if (!buffer->valid) {
796 if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN) {
797 spin_unlock_bh(&buffer->lock);
798 return false;
799 }
800 buffer->valid = true;
801 }
802
803 /* drop any duplicated packets */
804 if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE))
805 goto drop;
806
807 /* drop any oudated packets */
808 if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN)
809 goto drop;
810
811 /* release immediately if allowed by nssn and no stored frames */
812 if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) {
813 if (!amsdu || last_subframe)
814 buffer->head_sn = nssn;
815
816 spin_unlock_bh(&buffer->lock);
817 return false;
818 }
819
820 /*
821 * release immediately if there are no stored frames, and the sn is
822 * equal to the head.
823 * This can happen due to reorder timer, where NSSN is behind head_sn.
824 * When we released everything, and we got the next frame in the
825 * sequence, according to the NSSN we can't release immediately,
826 * while technically there is no hole and we can move forward.
827 */
828 if (!buffer->num_stored && sn == buffer->head_sn) {
829 if (!amsdu || last_subframe)
830 buffer->head_sn = ieee80211_sn_inc(buffer->head_sn);
831
832 spin_unlock_bh(&buffer->lock);
833 return false;
834 }
835
836 /* put in reorder buffer */
837 index = sn % baid_data->buf_size;
838 __skb_queue_tail(&entries[index].frames, skb);
839 buffer->num_stored++;
840
841 /*
842 * We cannot trust NSSN for AMSDU sub-frames that are not the last.
843 * The reason is that NSSN advances on the first sub-frame, and may
844 * cause the reorder buffer to advance before all the sub-frames arrive.
845 * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with
846 * SN 1. NSSN for first sub frame will be 3 with the result of driver
847 * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is
848 * already ahead and it will be dropped.
849 * If the last sub-frame is not on this queue - we will get frame
850 * release notification with up to date NSSN.
851 */
852 if (!amsdu || last_subframe)
853 iwl_mvm_release_frames(mvm, sta, napi, baid_data,
854 buffer, nssn);
855
856 spin_unlock_bh(&buffer->lock);
857 return true;
858
859 drop:
860 kfree_skb(skb);
861 spin_unlock_bh(&buffer->lock);
862 return true;
863 }
864
865 static void iwl_mvm_agg_rx_received(struct iwl_mvm *mvm,
866 u32 reorder_data, u8 baid)
867 {
868 unsigned long now = jiffies;
869 unsigned long timeout;
870 struct iwl_mvm_baid_data *data;
871
872 rcu_read_lock();
873
874 data = rcu_dereference(mvm->baid_map[baid]);
875 if (!data) {
876 IWL_DEBUG_RX(mvm,
877 "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
878 baid, reorder_data);
879 goto out;
880 }
881
882 if (!data->timeout)
883 goto out;
884
885 timeout = data->timeout;
886 /*
887 * Do not update last rx all the time to avoid cache bouncing
888 * between the rx queues.
889 * Update it every timeout. Worst case is the session will
890 * expire after ~ 2 * timeout, which doesn't matter that much.
891 */
892 if (time_before(data->last_rx + TU_TO_JIFFIES(timeout), now))
893 /* Update is atomic */
894 data->last_rx = now;
895
896 out:
897 rcu_read_unlock();
898 }
899
900 static void iwl_mvm_flip_address(u8 *addr)
901 {
902 int i;
903 u8 mac_addr[ETH_ALEN];
904
905 for (i = 0; i < ETH_ALEN; i++)
906 mac_addr[i] = addr[ETH_ALEN - i - 1];
907 ether_addr_copy(addr, mac_addr);
908 }
909
910 struct iwl_mvm_rx_phy_data {
911 enum iwl_rx_phy_info_type info_type;
912 __le32 d0, d1, d2, d3, eht_d4, d5;
913 __le16 d4;
914 bool with_data;
915 bool first_subframe;
916 __le32 rx_vec[4];
917
918 u32 rate_n_flags;
919 u32 gp2_on_air_rise;
920 u16 phy_info;
921 u8 energy_a, energy_b;
922 u8 channel;
923 };
924
925 static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm *mvm,
926 struct iwl_mvm_rx_phy_data *phy_data,
927 struct ieee80211_radiotap_he_mu *he_mu)
928 {
929 u32 phy_data2 = le32_to_cpu(phy_data->d2);
930 u32 phy_data3 = le32_to_cpu(phy_data->d3);
931 u16 phy_data4 = le16_to_cpu(phy_data->d4);
932 u32 rate_n_flags = phy_data->rate_n_flags;
933
934 if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK, phy_data4)) {
935 he_mu->flags1 |=
936 cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN |
937 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN);
938
939 he_mu->flags1 |=
940 le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU,
941 phy_data4),
942 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU);
943
944 he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0,
945 phy_data2);
946 he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1,
947 phy_data3);
948 he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2,
949 phy_data2);
950 he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3,
951 phy_data3);
952 }
953
954 if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK, phy_data4) &&
955 (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) != RATE_MCS_CHAN_WIDTH_20) {
956 he_mu->flags1 |=
957 cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN |
958 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN);
959
960 he_mu->flags2 |=
961 le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU,
962 phy_data4),
963 IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU);
964
965 he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0,
966 phy_data2);
967 he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1,
968 phy_data3);
969 he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2,
970 phy_data2);
971 he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3,
972 phy_data3);
973 }
974 }
975
976 static void
977 iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
978 struct ieee80211_radiotap_he *he,
979 struct ieee80211_radiotap_he_mu *he_mu,
980 struct ieee80211_rx_status *rx_status)
981 {
982 /*
983 * Unfortunately, we have to leave the mac80211 data
984 * incorrect for the case that we receive an HE-MU
985 * transmission and *don't* have the HE phy data (due
986 * to the bits being used for TSF). This shouldn't
987 * happen though as management frames where we need
988 * the TSF/timers are not be transmitted in HE-MU.
989 */
990 u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK);
991 u32 rate_n_flags = phy_data->rate_n_flags;
992 u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK_V1;
993 u8 offs = 0;
994
995 rx_status->bw = RATE_INFO_BW_HE_RU;
996
997 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
998
999 switch (ru) {
1000 case 0 ... 36:
1001 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
1002 offs = ru;
1003 break;
1004 case 37 ... 52:
1005 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
1006 offs = ru - 37;
1007 break;
1008 case 53 ... 60:
1009 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1010 offs = ru - 53;
1011 break;
1012 case 61 ... 64:
1013 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
1014 offs = ru - 61;
1015 break;
1016 case 65 ... 66:
1017 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
1018 offs = ru - 65;
1019 break;
1020 case 67:
1021 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
1022 break;
1023 case 68:
1024 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
1025 break;
1026 }
1027 he->data2 |= le16_encode_bits(offs,
1028 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
1029 he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
1030 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
1031 if (phy_data->d1 & cpu_to_le32(IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80))
1032 he->data2 |=
1033 cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
1034
1035 #define CHECK_BW(bw) \
1036 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
1037 RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS); \
1038 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_ ## bw ## MHZ != \
1039 RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
1040 CHECK_BW(20);
1041 CHECK_BW(40);
1042 CHECK_BW(80);
1043 CHECK_BW(160);
1044
1045 if (he_mu)
1046 he_mu->flags2 |=
1047 le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1,
1048 rate_n_flags),
1049 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
1050 else if (he_type == RATE_MCS_HE_TYPE_TRIG_V1)
1051 he->data6 |=
1052 cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN) |
1053 le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1,
1054 rate_n_flags),
1055 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW);
1056 }
1057
1058 static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
1059 struct iwl_mvm_rx_phy_data *phy_data,
1060 struct ieee80211_radiotap_he *he,
1061 struct ieee80211_radiotap_he_mu *he_mu,
1062 struct ieee80211_rx_status *rx_status,
1063 int queue)
1064 {
1065 switch (phy_data->info_type) {
1066 case IWL_RX_PHY_INFO_TYPE_NONE:
1067 case IWL_RX_PHY_INFO_TYPE_CCK:
1068 case IWL_RX_PHY_INFO_TYPE_OFDM_LGCY:
1069 case IWL_RX_PHY_INFO_TYPE_HT:
1070 case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1071 case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1072 case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1073 case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1074 case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1075 case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
1076 return;
1077 case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1078 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
1079 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN |
1080 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN |
1081 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN);
1082 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1083 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1),
1084 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1);
1085 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1086 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2),
1087 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2);
1088 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1089 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3),
1090 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3);
1091 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1092 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4),
1093 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4);
1094 fallthrough;
1095 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1096 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1097 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1098 case IWL_RX_PHY_INFO_TYPE_HE_TB:
1099 /* HE common */
1100 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN |
1101 IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN |
1102 IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN);
1103 he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN |
1104 IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN |
1105 IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN |
1106 IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
1107 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1108 IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK),
1109 IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR);
1110 if (phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB &&
1111 phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB_EXT) {
1112 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN);
1113 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1114 IWL_RX_PHY_DATA0_HE_UPLINK),
1115 IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
1116 }
1117 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1118 IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM),
1119 IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG);
1120 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1121 IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK),
1122 IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD);
1123 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1124 IWL_RX_PHY_DATA0_HE_PE_DISAMBIG),
1125 IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG);
1126 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d1,
1127 IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK),
1128 IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
1129 he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1130 IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK),
1131 IEEE80211_RADIOTAP_HE_DATA6_TXOP);
1132 he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1133 IWL_RX_PHY_DATA0_HE_DOPPLER),
1134 IEEE80211_RADIOTAP_HE_DATA6_DOPPLER);
1135 break;
1136 }
1137
1138 switch (phy_data->info_type) {
1139 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1140 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1141 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1142 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN);
1143 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1144 IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK),
1145 IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE);
1146 break;
1147 default:
1148 /* nothing here */
1149 break;
1150 }
1151
1152 switch (phy_data->info_type) {
1153 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1154 he_mu->flags1 |=
1155 le16_encode_bits(le16_get_bits(phy_data->d4,
1156 IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM),
1157 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
1158 he_mu->flags1 |=
1159 le16_encode_bits(le16_get_bits(phy_data->d4,
1160 IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK),
1161 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
1162 he_mu->flags2 |=
1163 le16_encode_bits(le16_get_bits(phy_data->d4,
1164 IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK),
1165 IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
1166 iwl_mvm_decode_he_mu_ext(mvm, phy_data, he_mu);
1167 fallthrough;
1168 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1169 he_mu->flags2 |=
1170 le16_encode_bits(le32_get_bits(phy_data->d1,
1171 IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK),
1172 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
1173 he_mu->flags2 |=
1174 le16_encode_bits(le32_get_bits(phy_data->d1,
1175 IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION),
1176 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
1177 fallthrough;
1178 case IWL_RX_PHY_INFO_TYPE_HE_TB:
1179 case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1180 iwl_mvm_decode_he_phy_ru_alloc(phy_data, he, he_mu, rx_status);
1181 break;
1182 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1183 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN);
1184 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1185 IWL_RX_PHY_DATA0_HE_BEAM_CHNG),
1186 IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE);
1187 break;
1188 default:
1189 /* nothing */
1190 break;
1191 }
1192 }
1193
1194 #define LE32_DEC_ENC(value, dec_bits, enc_bits) \
1195 le32_encode_bits(le32_get_bits(value, dec_bits), enc_bits)
1196
1197 #define IWL_MVM_ENC_USIG_VALUE_MASK(usig, in_value, dec_bits, enc_bits) do { \
1198 typeof(enc_bits) _enc_bits = enc_bits; \
1199 typeof(usig) _usig = usig; \
1200 (_usig)->mask |= cpu_to_le32(_enc_bits); \
1201 (_usig)->value |= LE32_DEC_ENC(in_value, dec_bits, _enc_bits); \
1202 } while (0)
1203
1204 #define __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) \
1205 eht->data[(rt_data)] |= \
1206 (cpu_to_le32 \
1207 (IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru ## _KNOWN) | \
1208 LE32_DEC_ENC(data ## fw_data, \
1209 IWL_RX_PHY_DATA ## fw_data ## _EHT_MU_EXT_RU_ALLOC_ ## fw_ru, \
1210 IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru))
1211
1212 #define _IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) \
1213 __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru)
1214
1215 #define IEEE80211_RADIOTAP_RU_DATA_1_1_1 1
1216 #define IEEE80211_RADIOTAP_RU_DATA_2_1_1 2
1217 #define IEEE80211_RADIOTAP_RU_DATA_1_1_2 2
1218 #define IEEE80211_RADIOTAP_RU_DATA_2_1_2 2
1219 #define IEEE80211_RADIOTAP_RU_DATA_1_2_1 3
1220 #define IEEE80211_RADIOTAP_RU_DATA_2_2_1 3
1221 #define IEEE80211_RADIOTAP_RU_DATA_1_2_2 3
1222 #define IEEE80211_RADIOTAP_RU_DATA_2_2_2 4
1223
1224 #define IWL_RX_RU_DATA_A1 2
1225 #define IWL_RX_RU_DATA_A2 2
1226 #define IWL_RX_RU_DATA_B1 2
1227 #define IWL_RX_RU_DATA_B2 4
1228 #define IWL_RX_RU_DATA_C1 3
1229 #define IWL_RX_RU_DATA_C2 3
1230 #define IWL_RX_RU_DATA_D1 4
1231 #define IWL_RX_RU_DATA_D2 4
1232
1233 #define IWL_MVM_ENC_EHT_RU(rt_ru, fw_ru) \
1234 _IWL_MVM_ENC_EHT_RU(IEEE80211_RADIOTAP_RU_DATA_ ## rt_ru, \
1235 rt_ru, \
1236 IWL_RX_RU_DATA_ ## fw_ru, \
1237 fw_ru)
1238
1239 static void iwl_mvm_decode_eht_ext_mu(struct iwl_mvm *mvm,
1240 struct iwl_mvm_rx_phy_data *phy_data,
1241 struct ieee80211_rx_status *rx_status,
1242 struct ieee80211_radiotap_eht *eht,
1243 struct ieee80211_radiotap_eht_usig *usig)
1244 {
1245 if (phy_data->with_data) {
1246 __le32 data1 = phy_data->d1;
1247 __le32 data2 = phy_data->d2;
1248 __le32 data3 = phy_data->d3;
1249 __le32 data4 = phy_data->eht_d4;
1250 __le32 data5 = phy_data->d5;
1251 u32 phy_bw = phy_data->rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK;
1252
1253 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1254 IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1255 IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1256 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1257 IWL_RX_PHY_DATA5_EHT_MU_PUNC_CH_CODE,
1258 IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1259 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data4,
1260 IWL_RX_PHY_DATA4_EHT_MU_EXT_SIGB_MCS,
1261 IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1262 IWL_MVM_ENC_USIG_VALUE_MASK
1263 (usig, data1, IWL_RX_PHY_DATA1_EHT_MU_NUM_SIG_SYM_USIGA2,
1264 IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1265
1266 eht->user_info[0] |=
1267 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN) |
1268 LE32_DEC_ENC(data5, IWL_RX_PHY_DATA5_EHT_MU_STA_ID_USR,
1269 IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID);
1270
1271 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M);
1272 eht->data[7] |= LE32_DEC_ENC
1273 (data5, IWL_RX_PHY_DATA5_EHT_MU_NUM_USR_NON_OFDMA,
1274 IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS);
1275
1276 /*
1277 * Hardware labels the content channels/RU allocation values
1278 * as follows:
1279 * Content Channel 1 Content Channel 2
1280 * 20 MHz: A1
1281 * 40 MHz: A1 B1
1282 * 80 MHz: A1 C1 B1 D1
1283 * 160 MHz: A1 C1 A2 C2 B1 D1 B2 D2
1284 * 320 MHz: A1 C1 A2 C2 A3 C3 A4 C4 B1 D1 B2 D2 B3 D3 B4 D4
1285 *
1286 * However firmware can only give us A1-D2, so the higher
1287 * frequencies are missing.
1288 */
1289
1290 switch (phy_bw) {
1291 case RATE_MCS_CHAN_WIDTH_320:
1292 /* additional values are missing in RX metadata */
1293 case RATE_MCS_CHAN_WIDTH_160:
1294 /* content channel 1 */
1295 IWL_MVM_ENC_EHT_RU(1_2_1, A2);
1296 IWL_MVM_ENC_EHT_RU(1_2_2, C2);
1297 /* content channel 2 */
1298 IWL_MVM_ENC_EHT_RU(2_2_1, B2);
1299 IWL_MVM_ENC_EHT_RU(2_2_2, D2);
1300 fallthrough;
1301 case RATE_MCS_CHAN_WIDTH_80:
1302 /* content channel 1 */
1303 IWL_MVM_ENC_EHT_RU(1_1_2, C1);
1304 /* content channel 2 */
1305 IWL_MVM_ENC_EHT_RU(2_1_2, D1);
1306 fallthrough;
1307 case RATE_MCS_CHAN_WIDTH_40:
1308 /* content channel 2 */
1309 IWL_MVM_ENC_EHT_RU(2_1_1, B1);
1310 fallthrough;
1311 case RATE_MCS_CHAN_WIDTH_20:
1312 IWL_MVM_ENC_EHT_RU(1_1_1, A1);
1313 break;
1314 }
1315 } else {
1316 __le32 usig_a1 = phy_data->rx_vec[0];
1317 __le32 usig_a2 = phy_data->rx_vec[1];
1318
1319 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1320 IWL_RX_USIG_A1_DISREGARD,
1321 IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD);
1322 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1323 IWL_RX_USIG_A1_VALIDATE,
1324 IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE);
1325 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1326 IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1327 IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1328 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1329 IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1330 IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE);
1331 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1332 IWL_RX_USIG_A2_EHT_PUNC_CHANNEL,
1333 IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1334 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1335 IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B8,
1336 IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE);
1337 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1338 IWL_RX_USIG_A2_EHT_SIG_MCS,
1339 IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1340 IWL_MVM_ENC_USIG_VALUE_MASK
1341 (usig, usig_a2, IWL_RX_USIG_A2_EHT_SIG_SYM_NUM,
1342 IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1343 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1344 IWL_RX_USIG_A2_EHT_CRC_OK,
1345 IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC);
1346 }
1347 }
1348
1349 static void iwl_mvm_decode_eht_ext_tb(struct iwl_mvm *mvm,
1350 struct iwl_mvm_rx_phy_data *phy_data,
1351 struct ieee80211_rx_status *rx_status,
1352 struct ieee80211_radiotap_eht *eht,
1353 struct ieee80211_radiotap_eht_usig *usig)
1354 {
1355 if (phy_data->with_data) {
1356 __le32 data5 = phy_data->d5;
1357
1358 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1359 IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1360 IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1361 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1362 IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE1,
1363 IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1364
1365 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1366 IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE2,
1367 IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1368 } else {
1369 __le32 usig_a1 = phy_data->rx_vec[0];
1370 __le32 usig_a2 = phy_data->rx_vec[1];
1371
1372 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1373 IWL_RX_USIG_A1_DISREGARD,
1374 IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD);
1375 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1376 IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1377 IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1378 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1379 IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1380 IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE);
1381 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1382 IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_1,
1383 IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1384 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1385 IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_2,
1386 IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1387 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1388 IWL_RX_USIG_A2_EHT_TRIG_USIG2_DISREGARD,
1389 IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD);
1390 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1391 IWL_RX_USIG_A2_EHT_CRC_OK,
1392 IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC);
1393 }
1394 }
1395
1396 static void iwl_mvm_decode_eht_ru(struct iwl_mvm *mvm,
1397 struct ieee80211_rx_status *rx_status,
1398 struct ieee80211_radiotap_eht *eht)
1399 {
1400 u32 ru = le32_get_bits(eht->data[8],
1401 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1402 enum nl80211_eht_ru_alloc nl_ru;
1403
1404 /* Using D1.5 Table 9-53a - Encoding of PS160 and RU Allocation subfields
1405 * in an EHT variant User Info field
1406 */
1407
1408 switch (ru) {
1409 case 0 ... 36:
1410 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_26;
1411 break;
1412 case 37 ... 52:
1413 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52;
1414 break;
1415 case 53 ... 60:
1416 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106;
1417 break;
1418 case 61 ... 64:
1419 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_242;
1420 break;
1421 case 65 ... 66:
1422 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484;
1423 break;
1424 case 67:
1425 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996;
1426 break;
1427 case 68:
1428 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996;
1429 break;
1430 case 69:
1431 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_4x996;
1432 break;
1433 case 70 ... 81:
1434 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52P26;
1435 break;
1436 case 82 ... 89:
1437 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106P26;
1438 break;
1439 case 90 ... 93:
1440 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484P242;
1441 break;
1442 case 94 ... 95:
1443 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484;
1444 break;
1445 case 96 ... 99:
1446 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484P242;
1447 break;
1448 case 100 ... 103:
1449 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996P484;
1450 break;
1451 case 104:
1452 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996;
1453 break;
1454 case 105 ... 106:
1455 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996P484;
1456 break;
1457 default:
1458 return;
1459 }
1460
1461 rx_status->bw = RATE_INFO_BW_EHT_RU;
1462 rx_status->eht.ru = nl_ru;
1463 }
1464
1465 static void iwl_mvm_decode_eht_phy_data(struct iwl_mvm *mvm,
1466 struct iwl_mvm_rx_phy_data *phy_data,
1467 struct ieee80211_rx_status *rx_status,
1468 struct ieee80211_radiotap_eht *eht,
1469 struct ieee80211_radiotap_eht_usig *usig)
1470
1471 {
1472 __le32 data0 = phy_data->d0;
1473 __le32 data1 = phy_data->d1;
1474 __le32 usig_a1 = phy_data->rx_vec[0];
1475 u8 info_type = phy_data->info_type;
1476
1477 /* Not in EHT range */
1478 if (info_type < IWL_RX_PHY_INFO_TYPE_EHT_MU ||
1479 info_type > IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT)
1480 return;
1481
1482 usig->common |= cpu_to_le32
1483 (IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN |
1484 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN);
1485 if (phy_data->with_data) {
1486 usig->common |= LE32_DEC_ENC(data0,
1487 IWL_RX_PHY_DATA0_EHT_UPLINK,
1488 IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1489 usig->common |= LE32_DEC_ENC(data0,
1490 IWL_RX_PHY_DATA0_EHT_BSS_COLOR_MASK,
1491 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1492 } else {
1493 usig->common |= LE32_DEC_ENC(usig_a1,
1494 IWL_RX_USIG_A1_UL_FLAG,
1495 IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1496 usig->common |= LE32_DEC_ENC(usig_a1,
1497 IWL_RX_USIG_A1_BSS_COLOR,
1498 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1499 }
1500
1501 if (fw_has_capa(&mvm->fw->ucode_capa,
1502 IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT)) {
1503 usig->common |=
1504 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED);
1505 usig->common |=
1506 LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_VALIDATE,
1507 IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK);
1508 }
1509
1510 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE);
1511 eht->data[0] |= LE32_DEC_ENC(data0,
1512 IWL_RX_PHY_DATA0_ETH_SPATIAL_REUSE_MASK,
1513 IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE);
1514
1515 /* All RU allocating size/index is in TB format */
1516 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT);
1517 eht->data[8] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PS160,
1518 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160);
1519 eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B0,
1520 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0);
1521 eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B1_B7,
1522 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1523
1524 iwl_mvm_decode_eht_ru(mvm, rx_status, eht);
1525
1526 /* We only get here in case of IWL_RX_MPDU_PHY_TSF_OVERLOAD is set
1527 * which is on only in case of monitor mode so no need to check monitor
1528 * mode
1529 */
1530 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80);
1531 eht->data[1] |=
1532 le32_encode_bits(mvm->monitor_p80,
1533 IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80);
1534
1535 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN);
1536 if (phy_data->with_data)
1537 usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_TXOP_DUR_MASK,
1538 IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1539 else
1540 usig->common |= LE32_DEC_ENC(usig_a1, IWL_RX_USIG_A1_TXOP_DURATION,
1541 IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1542
1543 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM);
1544 eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_LDPC_EXT_SYM,
1545 IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM);
1546
1547 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM);
1548 eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PRE_FEC_PAD_MASK,
1549 IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM);
1550
1551 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM);
1552 eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PE_DISAMBIG,
1553 IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM);
1554
1555 /* TODO: what about IWL_RX_PHY_DATA0_EHT_BW320_SLOT */
1556
1557 if (!le32_get_bits(data0, IWL_RX_PHY_DATA0_EHT_SIGA_CRC_OK))
1558 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC);
1559
1560 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN);
1561 usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PHY_VER,
1562 IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER);
1563
1564 /*
1565 * TODO: what about TB - IWL_RX_PHY_DATA1_EHT_TB_PILOT_TYPE,
1566 * IWL_RX_PHY_DATA1_EHT_TB_LOW_SS
1567 */
1568
1569 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF);
1570 eht->data[0] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_SIG_LTF_NUM,
1571 IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF);
1572
1573 if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT ||
1574 info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB)
1575 iwl_mvm_decode_eht_ext_tb(mvm, phy_data, rx_status, eht, usig);
1576
1577 if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT ||
1578 info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU)
1579 iwl_mvm_decode_eht_ext_mu(mvm, phy_data, rx_status, eht, usig);
1580 }
1581
1582 static void iwl_mvm_rx_eht(struct iwl_mvm *mvm, struct sk_buff *skb,
1583 struct iwl_mvm_rx_phy_data *phy_data,
1584 int queue)
1585 {
1586 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1587
1588 struct ieee80211_radiotap_eht *eht;
1589 struct ieee80211_radiotap_eht_usig *usig;
1590 size_t eht_len = sizeof(*eht);
1591
1592 u32 rate_n_flags = phy_data->rate_n_flags;
1593 u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1594 /* EHT and HE have the same valus for LTF */
1595 u8 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1596 u16 phy_info = phy_data->phy_info;
1597 u32 bw;
1598
1599 /* u32 for 1 user_info */
1600 if (phy_data->with_data)
1601 eht_len += sizeof(u32);
1602
1603 eht = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT, eht_len);
1604
1605 usig = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT_USIG,
1606 sizeof(*usig));
1607 rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
1608 usig->common |=
1609 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN);
1610
1611 /* specific handling for 320MHz */
1612 bw = FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags);
1613 if (bw == RATE_MCS_CHAN_WIDTH_320_VAL)
1614 bw += FIELD_GET(IWL_RX_PHY_DATA0_EHT_BW320_SLOT,
1615 le32_to_cpu(phy_data->d0));
1616
1617 usig->common |= cpu_to_le32
1618 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW, bw));
1619
1620 /* report the AMPDU-EOF bit on single frames */
1621 if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1622 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1623 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1624 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1625 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1626 }
1627
1628 /* update aggregation data for monitor sake on default queue */
1629 if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
1630 (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1631 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1632 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1633 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1634 }
1635
1636 if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1637 iwl_mvm_decode_eht_phy_data(mvm, phy_data, rx_status, eht, usig);
1638
1639 #define CHECK_TYPE(F) \
1640 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F != \
1641 (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1642
1643 CHECK_TYPE(SU);
1644 CHECK_TYPE(EXT_SU);
1645 CHECK_TYPE(MU);
1646 CHECK_TYPE(TRIG);
1647
1648 switch (FIELD_GET(RATE_MCS_HE_GI_LTF_MSK, rate_n_flags)) {
1649 case 0:
1650 if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1651 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1652 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1653 } else {
1654 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1655 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1656 }
1657 break;
1658 case 1:
1659 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1660 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1661 break;
1662 case 2:
1663 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1664 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1665 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1666 else
1667 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1668 break;
1669 case 3:
1670 if (he_type != RATE_MCS_HE_TYPE_TRIG) {
1671 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1672 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1673 }
1674 break;
1675 default:
1676 /* nothing here */
1677 break;
1678 }
1679
1680 if (ltf != IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN) {
1681 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_GI);
1682 eht->data[0] |= cpu_to_le32
1683 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_LTF,
1684 ltf) |
1685 FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_GI,
1686 rx_status->eht.gi));
1687 }
1688
1689
1690 if (!phy_data->with_data) {
1691 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S |
1692 IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S);
1693 eht->data[7] |=
1694 le32_encode_bits(le32_get_bits(phy_data->rx_vec[2],
1695 RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK),
1696 IEEE80211_RADIOTAP_EHT_DATA7_NSS_S);
1697 if (rate_n_flags & RATE_MCS_BF_MSK)
1698 eht->data[7] |=
1699 cpu_to_le32(IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S);
1700 } else {
1701 eht->user_info[0] |=
1702 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN |
1703 IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN |
1704 IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O |
1705 IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O |
1706 IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER);
1707
1708 if (rate_n_flags & RATE_MCS_BF_MSK)
1709 eht->user_info[0] |=
1710 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O);
1711
1712 if (rate_n_flags & RATE_MCS_LDPC_MSK)
1713 eht->user_info[0] |=
1714 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_CODING);
1715
1716 eht->user_info[0] |= cpu_to_le32
1717 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS,
1718 FIELD_GET(RATE_VHT_MCS_RATE_CODE_MSK,
1719 rate_n_flags)) |
1720 FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O,
1721 FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags)));
1722 }
1723 }
1724
1725 static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
1726 struct iwl_mvm_rx_phy_data *phy_data,
1727 int queue)
1728 {
1729 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1730 struct ieee80211_radiotap_he *he = NULL;
1731 struct ieee80211_radiotap_he_mu *he_mu = NULL;
1732 u32 rate_n_flags = phy_data->rate_n_flags;
1733 u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1734 u8 ltf;
1735 static const struct ieee80211_radiotap_he known = {
1736 .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
1737 IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
1738 IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN |
1739 IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN),
1740 .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN |
1741 IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN),
1742 };
1743 static const struct ieee80211_radiotap_he_mu mu_known = {
1744 .flags1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN |
1745 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN |
1746 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN |
1747 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN),
1748 .flags2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN |
1749 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
1750 };
1751 u16 phy_info = phy_data->phy_info;
1752
1753 he = skb_put_data(skb, &known, sizeof(known));
1754 rx_status->flag |= RX_FLAG_RADIOTAP_HE;
1755
1756 if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU ||
1757 phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU_EXT) {
1758 he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known));
1759 rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU;
1760 }
1761
1762 /* report the AMPDU-EOF bit on single frames */
1763 if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1764 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1765 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1766 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF))
1767 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1768 }
1769
1770 if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1771 iwl_mvm_decode_he_phy_data(mvm, phy_data, he, he_mu, rx_status,
1772 queue);
1773
1774 /* update aggregation data for monitor sake on default queue */
1775 if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
1776 (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1777 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1778 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1779 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1780 }
1781
1782 if (he_type == RATE_MCS_HE_TYPE_EXT_SU &&
1783 rate_n_flags & RATE_MCS_HE_106T_MSK) {
1784 rx_status->bw = RATE_INFO_BW_HE_RU;
1785 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1786 }
1787
1788 /* actually data is filled in mac80211 */
1789 if (he_type == RATE_MCS_HE_TYPE_SU ||
1790 he_type == RATE_MCS_HE_TYPE_EXT_SU)
1791 he->data1 |=
1792 cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1793
1794 #define CHECK_TYPE(F) \
1795 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F != \
1796 (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1797
1798 CHECK_TYPE(SU);
1799 CHECK_TYPE(EXT_SU);
1800 CHECK_TYPE(MU);
1801 CHECK_TYPE(TRIG);
1802
1803 he->data1 |= cpu_to_le16(he_type >> RATE_MCS_HE_TYPE_POS);
1804
1805 if (rate_n_flags & RATE_MCS_BF_MSK)
1806 he->data5 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA5_TXBF);
1807
1808 switch ((rate_n_flags & RATE_MCS_HE_GI_LTF_MSK) >>
1809 RATE_MCS_HE_GI_LTF_POS) {
1810 case 0:
1811 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1812 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1813 else
1814 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1815 if (he_type == RATE_MCS_HE_TYPE_MU)
1816 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1817 else
1818 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1819 break;
1820 case 1:
1821 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1822 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1823 else
1824 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1825 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1826 break;
1827 case 2:
1828 if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1829 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
1830 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1831 } else {
1832 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1833 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1834 }
1835 break;
1836 case 3:
1837 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
1838 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1839 break;
1840 case 4:
1841 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1842 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1843 break;
1844 default:
1845 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1846 }
1847
1848 he->data5 |= le16_encode_bits(ltf,
1849 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
1850 }
1851
1852 static void iwl_mvm_decode_lsig(struct sk_buff *skb,
1853 struct iwl_mvm_rx_phy_data *phy_data)
1854 {
1855 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1856 struct ieee80211_radiotap_lsig *lsig;
1857
1858 switch (phy_data->info_type) {
1859 case IWL_RX_PHY_INFO_TYPE_HT:
1860 case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1861 case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1862 case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1863 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1864 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1865 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1866 case IWL_RX_PHY_INFO_TYPE_HE_TB:
1867 case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1868 case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1869 case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1870 case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
1871 lsig = skb_put(skb, sizeof(*lsig));
1872 lsig->data1 = cpu_to_le16(IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN);
1873 lsig->data2 = le16_encode_bits(le32_get_bits(phy_data->d1,
1874 IWL_RX_PHY_DATA1_LSIG_LEN_MASK),
1875 IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH);
1876 rx_status->flag |= RX_FLAG_RADIOTAP_LSIG;
1877 break;
1878 default:
1879 break;
1880 }
1881 }
1882
1883 struct iwl_rx_sta_csa {
1884 bool all_sta_unblocked;
1885 struct ieee80211_vif *vif;
1886 };
1887
1888 static void iwl_mvm_rx_get_sta_block_tx(void *data, struct ieee80211_sta *sta)
1889 {
1890 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1891 struct iwl_rx_sta_csa *rx_sta_csa = data;
1892
1893 if (mvmsta->vif != rx_sta_csa->vif)
1894 return;
1895
1896 if (mvmsta->disable_tx)
1897 rx_sta_csa->all_sta_unblocked = false;
1898 }
1899
1900 /*
1901 * Note: requires also rx_status->band to be prefilled, as well
1902 * as phy_data (apart from phy_data->info_type)
1903 */
1904 static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
1905 struct sk_buff *skb,
1906 struct iwl_mvm_rx_phy_data *phy_data,
1907 int queue)
1908 {
1909 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1910 u32 rate_n_flags = phy_data->rate_n_flags;
1911 u8 stbc = u32_get_bits(rate_n_flags, RATE_MCS_STBC_MSK);
1912 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
1913 bool is_sgi;
1914
1915 phy_data->info_type = IWL_RX_PHY_INFO_TYPE_NONE;
1916
1917 if (phy_data->phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1918 phy_data->info_type =
1919 le32_get_bits(phy_data->d1,
1920 IWL_RX_PHY_DATA1_INFO_TYPE_MASK);
1921
1922 /* This may be overridden by iwl_mvm_rx_he() to HE_RU */
1923 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
1924 case RATE_MCS_CHAN_WIDTH_20:
1925 break;
1926 case RATE_MCS_CHAN_WIDTH_40:
1927 rx_status->bw = RATE_INFO_BW_40;
1928 break;
1929 case RATE_MCS_CHAN_WIDTH_80:
1930 rx_status->bw = RATE_INFO_BW_80;
1931 break;
1932 case RATE_MCS_CHAN_WIDTH_160:
1933 rx_status->bw = RATE_INFO_BW_160;
1934 break;
1935 case RATE_MCS_CHAN_WIDTH_320:
1936 rx_status->bw = RATE_INFO_BW_320;
1937 break;
1938 }
1939
1940 /* must be before L-SIG data */
1941 if (format == RATE_MCS_HE_MSK)
1942 iwl_mvm_rx_he(mvm, skb, phy_data, queue);
1943
1944 iwl_mvm_decode_lsig(skb, phy_data);
1945
1946 rx_status->device_timestamp = phy_data->gp2_on_air_rise;
1947
1948 if (mvm->rx_ts_ptp && mvm->monitor_on) {
1949 u64 adj_time =
1950 iwl_mvm_ptp_get_adj_time(mvm, phy_data->gp2_on_air_rise * NSEC_PER_USEC);
1951
1952 rx_status->mactime = div64_u64(adj_time, NSEC_PER_USEC);
1953 rx_status->flag |= RX_FLAG_MACTIME_IS_RTAP_TS64;
1954 rx_status->flag &= ~RX_FLAG_MACTIME;
1955 }
1956
1957 rx_status->freq = ieee80211_channel_to_frequency(phy_data->channel,
1958 rx_status->band);
1959 iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags,
1960 phy_data->energy_a, phy_data->energy_b);
1961
1962 /* using TLV format and must be after all fixed len fields */
1963 if (format == RATE_MCS_EHT_MSK)
1964 iwl_mvm_rx_eht(mvm, skb, phy_data, queue);
1965
1966 if (unlikely(mvm->monitor_on))
1967 iwl_mvm_add_rtap_sniffer_config(mvm, skb);
1968
1969 is_sgi = format == RATE_MCS_HE_MSK ?
1970 iwl_he_is_sgi(rate_n_flags) :
1971 rate_n_flags & RATE_MCS_SGI_MSK;
1972
1973 if (!(format == RATE_MCS_CCK_MSK) && is_sgi)
1974 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
1975
1976 if (rate_n_flags & RATE_MCS_LDPC_MSK)
1977 rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
1978
1979 switch (format) {
1980 case RATE_MCS_VHT_MSK:
1981 rx_status->encoding = RX_ENC_VHT;
1982 break;
1983 case RATE_MCS_HE_MSK:
1984 rx_status->encoding = RX_ENC_HE;
1985 rx_status->he_dcm =
1986 !!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK);
1987 break;
1988 case RATE_MCS_EHT_MSK:
1989 rx_status->encoding = RX_ENC_EHT;
1990 break;
1991 }
1992
1993 switch (format) {
1994 case RATE_MCS_HT_MSK:
1995 rx_status->encoding = RX_ENC_HT;
1996 rx_status->rate_idx = RATE_HT_MCS_INDEX(rate_n_flags);
1997 rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
1998 break;
1999 case RATE_MCS_VHT_MSK:
2000 case RATE_MCS_HE_MSK:
2001 case RATE_MCS_EHT_MSK:
2002 rx_status->nss =
2003 u32_get_bits(rate_n_flags, RATE_MCS_NSS_MSK) + 1;
2004 rx_status->rate_idx = rate_n_flags & RATE_MCS_CODE_MSK;
2005 rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
2006 break;
2007 default: {
2008 int rate = iwl_mvm_legacy_hw_idx_to_mac80211_idx(rate_n_flags,
2009 rx_status->band);
2010
2011 rx_status->rate_idx = rate;
2012
2013 if ((rate < 0 || rate > 0xFF)) {
2014 rx_status->rate_idx = 0;
2015 if (net_ratelimit())
2016 IWL_ERR(mvm, "Invalid rate flags 0x%x, band %d,\n",
2017 rate_n_flags, rx_status->band);
2018 }
2019
2020 break;
2021 }
2022 }
2023 }
2024
2025 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
2026 struct iwl_rx_cmd_buffer *rxb, int queue)
2027 {
2028 struct ieee80211_rx_status *rx_status;
2029 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2030 struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
2031 struct ieee80211_hdr *hdr;
2032 u32 len;
2033 u32 pkt_len = iwl_rx_packet_payload_len(pkt);
2034 struct ieee80211_sta *sta = NULL;
2035 struct sk_buff *skb;
2036 u8 crypt_len = 0;
2037 u8 sta_id = le32_get_bits(desc->status, IWL_RX_MPDU_STATUS_STA_ID);
2038 size_t desc_size;
2039 struct iwl_mvm_rx_phy_data phy_data = {};
2040 u32 format;
2041
2042 if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2043 return;
2044
2045 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
2046 desc_size = sizeof(*desc);
2047 else
2048 desc_size = IWL_RX_DESC_SIZE_V1;
2049
2050 if (unlikely(pkt_len < desc_size)) {
2051 IWL_DEBUG_DROP(mvm, "Bad REPLY_RX_MPDU_CMD size\n");
2052 return;
2053 }
2054
2055 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
2056 phy_data.rate_n_flags = le32_to_cpu(desc->v3.rate_n_flags);
2057 phy_data.channel = desc->v3.channel;
2058 phy_data.gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise);
2059 phy_data.energy_a = desc->v3.energy_a;
2060 phy_data.energy_b = desc->v3.energy_b;
2061
2062 phy_data.d0 = desc->v3.phy_data0;
2063 phy_data.d1 = desc->v3.phy_data1;
2064 phy_data.d2 = desc->v3.phy_data2;
2065 phy_data.d3 = desc->v3.phy_data3;
2066 phy_data.eht_d4 = desc->phy_eht_data4;
2067 phy_data.d5 = desc->v3.phy_data5;
2068 } else {
2069 phy_data.rate_n_flags = le32_to_cpu(desc->v1.rate_n_flags);
2070 phy_data.channel = desc->v1.channel;
2071 phy_data.gp2_on_air_rise = le32_to_cpu(desc->v1.gp2_on_air_rise);
2072 phy_data.energy_a = desc->v1.energy_a;
2073 phy_data.energy_b = desc->v1.energy_b;
2074
2075 phy_data.d0 = desc->v1.phy_data0;
2076 phy_data.d1 = desc->v1.phy_data1;
2077 phy_data.d2 = desc->v1.phy_data2;
2078 phy_data.d3 = desc->v1.phy_data3;
2079 }
2080
2081 if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
2082 REPLY_RX_MPDU_CMD, 0) < 4) {
2083 phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags);
2084 IWL_DEBUG_DROP(mvm, "Got old format rate, converting. New rate: 0x%x\n",
2085 phy_data.rate_n_flags);
2086 }
2087
2088 format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
2089
2090 len = le16_to_cpu(desc->mpdu_len);
2091
2092 if (unlikely(len + desc_size > pkt_len)) {
2093 IWL_DEBUG_DROP(mvm, "FW lied about packet len\n");
2094 return;
2095 }
2096
2097 phy_data.with_data = true;
2098 phy_data.phy_info = le16_to_cpu(desc->phy_info);
2099 phy_data.d4 = desc->phy_data4;
2100
2101 hdr = (void *)(pkt->data + desc_size);
2102 /* Dont use dev_alloc_skb(), we'll have enough headroom once
2103 * ieee80211_hdr pulled.
2104 */
2105 skb = alloc_skb(128, GFP_ATOMIC);
2106 if (!skb) {
2107 IWL_ERR(mvm, "alloc_skb failed\n");
2108 return;
2109 }
2110
2111 if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
2112 /*
2113 * If the device inserted padding it means that (it thought)
2114 * the 802.11 header wasn't a multiple of 4 bytes long. In
2115 * this case, reserve two bytes at the start of the SKB to
2116 * align the payload properly in case we end up copying it.
2117 */
2118 skb_reserve(skb, 2);
2119 }
2120
2121 rx_status = IEEE80211_SKB_RXCB(skb);
2122
2123 /*
2124 * Keep packets with CRC errors (and with overrun) for monitor mode
2125 * (otherwise the firmware discards them) but mark them as bad.
2126 */
2127 if (!(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_CRC_OK)) ||
2128 !(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_OVERRUN_OK))) {
2129 IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n",
2130 le32_to_cpu(desc->status));
2131 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
2132 }
2133
2134 /* set the preamble flag if appropriate */
2135 if (format == RATE_MCS_CCK_MSK &&
2136 phy_data.phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE)
2137 rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
2138
2139 if (likely(!(phy_data.phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) {
2140 u64 tsf_on_air_rise;
2141
2142 if (mvm->trans->trans_cfg->device_family >=
2143 IWL_DEVICE_FAMILY_AX210)
2144 tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise);
2145 else
2146 tsf_on_air_rise = le64_to_cpu(desc->v1.tsf_on_air_rise);
2147
2148 rx_status->mactime = tsf_on_air_rise;
2149 /* TSF as indicated by the firmware is at INA time */
2150 rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
2151 }
2152
2153 if (iwl_mvm_is_band_in_rx_supported(mvm)) {
2154 u8 band = BAND_IN_RX_STATUS(desc->mac_phy_idx);
2155
2156 rx_status->band = iwl_mvm_nl80211_band_from_phy(band);
2157 } else {
2158 rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
2159 NL80211_BAND_2GHZ;
2160 }
2161
2162 /* update aggregation data for monitor sake on default queue */
2163 if (!queue && (phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
2164 bool toggle_bit;
2165
2166 toggle_bit = phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE;
2167 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
2168 /*
2169 * Toggle is switched whenever new aggregation starts. Make
2170 * sure ampdu_reference is never 0 so we can later use it to
2171 * see if the frame was really part of an A-MPDU or not.
2172 */
2173 if (toggle_bit != mvm->ampdu_toggle) {
2174 mvm->ampdu_ref++;
2175 if (mvm->ampdu_ref == 0)
2176 mvm->ampdu_ref++;
2177 mvm->ampdu_toggle = toggle_bit;
2178 phy_data.first_subframe = true;
2179 }
2180 rx_status->ampdu_reference = mvm->ampdu_ref;
2181 }
2182
2183 rcu_read_lock();
2184
2185 if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_SRC_STA_FOUND)) {
2186 if (!WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) {
2187 struct ieee80211_link_sta *link_sta;
2188
2189 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
2190 if (IS_ERR(sta))
2191 sta = NULL;
2192 link_sta = rcu_dereference(mvm->fw_id_to_link_sta[sta_id]);
2193
2194 if (sta && sta->valid_links && link_sta) {
2195 rx_status->link_valid = 1;
2196 rx_status->link_id = link_sta->link_id;
2197 }
2198 }
2199 } else if (!is_multicast_ether_addr(hdr->addr2)) {
2200 /*
2201 * This is fine since we prevent two stations with the same
2202 * address from being added.
2203 */
2204 sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
2205 }
2206
2207 if (iwl_mvm_rx_crypto(mvm, sta, hdr, rx_status, phy_data.phy_info, desc,
2208 le32_to_cpu(pkt->len_n_flags), queue,
2209 &crypt_len)) {
2210 kfree_skb(skb);
2211 goto out;
2212 }
2213
2214 iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue);
2215
2216 if (sta) {
2217 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
2218 struct ieee80211_vif *tx_blocked_vif =
2219 rcu_dereference(mvm->csa_tx_blocked_vif);
2220 u8 baid = (u8)((le32_to_cpu(desc->reorder_data) &
2221 IWL_RX_MPDU_REORDER_BAID_MASK) >>
2222 IWL_RX_MPDU_REORDER_BAID_SHIFT);
2223 struct iwl_fw_dbg_trigger_tlv *trig;
2224 struct ieee80211_vif *vif = mvmsta->vif;
2225
2226 if (!mvm->tcm.paused && len >= sizeof(*hdr) &&
2227 !is_multicast_ether_addr(hdr->addr1) &&
2228 ieee80211_is_data(hdr->frame_control) &&
2229 time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD))
2230 schedule_delayed_work(&mvm->tcm.work, 0);
2231
2232 /*
2233 * We have tx blocked stations (with CS bit). If we heard
2234 * frames from a blocked station on a new channel we can
2235 * TX to it again.
2236 */
2237 if (unlikely(tx_blocked_vif) && tx_blocked_vif == vif) {
2238 struct iwl_mvm_vif *mvmvif =
2239 iwl_mvm_vif_from_mac80211(tx_blocked_vif);
2240 struct iwl_rx_sta_csa rx_sta_csa = {
2241 .all_sta_unblocked = true,
2242 .vif = tx_blocked_vif,
2243 };
2244
2245 if (mvmvif->csa_target_freq == rx_status->freq)
2246 iwl_mvm_sta_modify_disable_tx_ap(mvm, sta,
2247 false);
2248 ieee80211_iterate_stations_atomic(mvm->hw,
2249 iwl_mvm_rx_get_sta_block_tx,
2250 &rx_sta_csa);
2251
2252 if (rx_sta_csa.all_sta_unblocked) {
2253 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2254 /* Unblock BCAST / MCAST station */
2255 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
2256 cancel_delayed_work(&mvm->cs_tx_unblock_dwork);
2257 }
2258 }
2259
2260 rs_update_last_rssi(mvm, mvmsta, rx_status);
2261
2262 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
2263 ieee80211_vif_to_wdev(vif),
2264 FW_DBG_TRIGGER_RSSI);
2265
2266 if (trig && ieee80211_is_beacon(hdr->frame_control)) {
2267 struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
2268 s32 rssi;
2269
2270 rssi_trig = (void *)trig->data;
2271 rssi = le32_to_cpu(rssi_trig->rssi);
2272
2273 if (rx_status->signal < rssi)
2274 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
2275 NULL);
2276 }
2277
2278 if (ieee80211_is_data(hdr->frame_control))
2279 iwl_mvm_rx_csum(mvm, sta, skb, pkt);
2280
2281 if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
2282 IWL_DEBUG_DROP(mvm, "Dropping duplicate packet 0x%x\n",
2283 le16_to_cpu(hdr->seq_ctrl));
2284 kfree_skb(skb);
2285 goto out;
2286 }
2287
2288 /*
2289 * Our hardware de-aggregates AMSDUs but copies the mac header
2290 * as it to the de-aggregated MPDUs. We need to turn off the
2291 * AMSDU bit in the QoS control ourselves.
2292 * In addition, HW reverses addr3 and addr4 - reverse it back.
2293 */
2294 if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2295 !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
2296 u8 *qc = ieee80211_get_qos_ctl(hdr);
2297
2298 *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
2299
2300 if (mvm->trans->trans_cfg->device_family ==
2301 IWL_DEVICE_FAMILY_9000) {
2302 iwl_mvm_flip_address(hdr->addr3);
2303
2304 if (ieee80211_has_a4(hdr->frame_control))
2305 iwl_mvm_flip_address(hdr->addr4);
2306 }
2307 }
2308 if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) {
2309 u32 reorder_data = le32_to_cpu(desc->reorder_data);
2310
2311 iwl_mvm_agg_rx_received(mvm, reorder_data, baid);
2312 }
2313
2314 if (ieee80211_is_data(hdr->frame_control)) {
2315 u8 sub_frame_idx = desc->amsdu_info &
2316 IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
2317
2318 /* 0 means not an A-MSDU, and 1 means a new A-MSDU */
2319 if (!sub_frame_idx || sub_frame_idx == 1)
2320 iwl_mvm_count_mpdu(mvmsta, sta_id, 1, false,
2321 queue);
2322 }
2323 }
2324
2325 /* management stuff on default queue */
2326 if (!queue) {
2327 if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
2328 ieee80211_is_probe_resp(hdr->frame_control)) &&
2329 mvm->sched_scan_pass_all ==
2330 SCHED_SCAN_PASS_ALL_ENABLED))
2331 mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
2332
2333 if (unlikely(ieee80211_is_beacon(hdr->frame_control) ||
2334 ieee80211_is_probe_resp(hdr->frame_control)))
2335 rx_status->boottime_ns = ktime_get_boottime_ns();
2336 }
2337
2338 if (iwl_mvm_create_skb(mvm, skb, hdr, len, crypt_len, rxb)) {
2339 kfree_skb(skb);
2340 goto out;
2341 }
2342
2343 if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc) &&
2344 likely(!iwl_mvm_time_sync_frame(mvm, skb, hdr->addr2)) &&
2345 likely(!iwl_mvm_mei_filter_scan(mvm, skb))) {
2346 if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
2347 (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2348 !(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME))
2349 rx_status->flag |= RX_FLAG_AMSDU_MORE;
2350
2351 iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
2352 }
2353 out:
2354 rcu_read_unlock();
2355 }
2356
2357 void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
2358 struct iwl_rx_cmd_buffer *rxb, int queue)
2359 {
2360 struct ieee80211_rx_status *rx_status;
2361 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2362 struct iwl_rx_no_data_ver_3 *desc = (void *)pkt->data;
2363 u32 rssi;
2364 struct ieee80211_sta *sta = NULL;
2365 struct sk_buff *skb;
2366 struct iwl_mvm_rx_phy_data phy_data;
2367 u32 format;
2368
2369 if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2370 return;
2371
2372 if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(struct iwl_rx_no_data)))
2373 return;
2374
2375 rssi = le32_to_cpu(desc->rssi);
2376 phy_data.d0 = desc->phy_info[0];
2377 phy_data.d1 = desc->phy_info[1];
2378 phy_data.phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD;
2379 phy_data.gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time);
2380 phy_data.rate_n_flags = le32_to_cpu(desc->rate);
2381 phy_data.energy_a = u32_get_bits(rssi, RX_NO_DATA_CHAIN_A_MSK);
2382 phy_data.energy_b = u32_get_bits(rssi, RX_NO_DATA_CHAIN_B_MSK);
2383 phy_data.channel = u32_get_bits(rssi, RX_NO_DATA_CHANNEL_MSK);
2384 phy_data.with_data = false;
2385 phy_data.rx_vec[0] = desc->rx_vec[0];
2386 phy_data.rx_vec[1] = desc->rx_vec[1];
2387
2388 if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2389 RX_NO_DATA_NOTIF, 0) < 2) {
2390 IWL_DEBUG_DROP(mvm, "Got an old rate format. Old rate: 0x%x\n",
2391 phy_data.rate_n_flags);
2392 phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags);
2393 IWL_DEBUG_DROP(mvm, " Rate after conversion to the new format: 0x%x\n",
2394 phy_data.rate_n_flags);
2395 }
2396
2397 format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
2398
2399 if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2400 RX_NO_DATA_NOTIF, 0) >= 3) {
2401 if (unlikely(iwl_rx_packet_payload_len(pkt) <
2402 sizeof(struct iwl_rx_no_data_ver_3)))
2403 /* invalid len for ver 3 */
2404 return;
2405 phy_data.rx_vec[2] = desc->rx_vec[2];
2406 phy_data.rx_vec[3] = desc->rx_vec[3];
2407 } else {
2408 if (format == RATE_MCS_EHT_MSK)
2409 /* no support for EHT before version 3 API */
2410 return;
2411 }
2412
2413 /* Dont use dev_alloc_skb(), we'll have enough headroom once
2414 * ieee80211_hdr pulled.
2415 */
2416 skb = alloc_skb(128, GFP_ATOMIC);
2417 if (!skb) {
2418 IWL_ERR(mvm, "alloc_skb failed\n");
2419 return;
2420 }
2421
2422 rx_status = IEEE80211_SKB_RXCB(skb);
2423
2424 /* 0-length PSDU */
2425 rx_status->flag |= RX_FLAG_NO_PSDU;
2426
2427 /* mark as failed PLCP on any errors to skip checks in mac80211 */
2428 if (le32_get_bits(desc->info, RX_NO_DATA_INFO_ERR_MSK) !=
2429 RX_NO_DATA_INFO_ERR_NONE)
2430 rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC;
2431
2432 switch (le32_get_bits(desc->info, RX_NO_DATA_INFO_TYPE_MSK)) {
2433 case RX_NO_DATA_INFO_TYPE_NDP:
2434 rx_status->zero_length_psdu_type =
2435 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING;
2436 break;
2437 case RX_NO_DATA_INFO_TYPE_MU_UNMATCHED:
2438 case RX_NO_DATA_INFO_TYPE_TB_UNMATCHED:
2439 rx_status->zero_length_psdu_type =
2440 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED;
2441 break;
2442 default:
2443 rx_status->zero_length_psdu_type =
2444 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR;
2445 break;
2446 }
2447
2448 rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
2449 NL80211_BAND_2GHZ;
2450
2451 iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue);
2452
2453 /* no more radio tap info should be put after this point.
2454 *
2455 * We mark it as mac header, for upper layers to know where
2456 * all radio tap header ends.
2457 *
2458 * Since data doesn't move data while putting data on skb and that is
2459 * the only way we use, data + len is the next place that hdr would be put
2460 */
2461 skb_set_mac_header(skb, skb->len);
2462
2463 /*
2464 * Override the nss from the rx_vec since the rate_n_flags has
2465 * only 2 bits for the nss which gives a max of 4 ss but there
2466 * may be up to 8 spatial streams.
2467 */
2468 switch (format) {
2469 case RATE_MCS_VHT_MSK:
2470 rx_status->nss =
2471 le32_get_bits(desc->rx_vec[0],
2472 RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1;
2473 break;
2474 case RATE_MCS_HE_MSK:
2475 rx_status->nss =
2476 le32_get_bits(desc->rx_vec[0],
2477 RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1;
2478 break;
2479 case RATE_MCS_EHT_MSK:
2480 rx_status->nss =
2481 le32_get_bits(desc->rx_vec[2],
2482 RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK) + 1;
2483 }
2484
2485 rcu_read_lock();
2486 ieee80211_rx_napi(mvm->hw, sta, skb, napi);
2487 rcu_read_unlock();
2488 }
2489
2490 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2491 struct iwl_rx_cmd_buffer *rxb, int queue)
2492 {
2493 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2494 struct iwl_frame_release *release = (void *)pkt->data;
2495
2496 if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
2497 return;
2498
2499 iwl_mvm_release_frames_from_notif(mvm, napi, release->baid,
2500 le16_to_cpu(release->nssn),
2501 queue);
2502 }
2503
2504 void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2505 struct iwl_rx_cmd_buffer *rxb, int queue)
2506 {
2507 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2508 struct iwl_bar_frame_release *release = (void *)pkt->data;
2509 unsigned int baid = le32_get_bits(release->ba_info,
2510 IWL_BAR_FRAME_RELEASE_BAID_MASK);
2511 unsigned int nssn = le32_get_bits(release->ba_info,
2512 IWL_BAR_FRAME_RELEASE_NSSN_MASK);
2513 unsigned int sta_id = le32_get_bits(release->sta_tid,
2514 IWL_BAR_FRAME_RELEASE_STA_MASK);
2515 unsigned int tid = le32_get_bits(release->sta_tid,
2516 IWL_BAR_FRAME_RELEASE_TID_MASK);
2517 struct iwl_mvm_baid_data *baid_data;
2518
2519 if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
2520 return;
2521
2522 if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
2523 baid >= ARRAY_SIZE(mvm->baid_map)))
2524 return;
2525
2526 rcu_read_lock();
2527 baid_data = rcu_dereference(mvm->baid_map[baid]);
2528 if (!baid_data) {
2529 IWL_DEBUG_RX(mvm,
2530 "Got valid BAID %d but not allocated, invalid BAR release!\n",
2531 baid);
2532 goto out;
2533 }
2534
2535 if (WARN(tid != baid_data->tid || sta_id > IWL_STATION_COUNT_MAX ||
2536 !(baid_data->sta_mask & BIT(sta_id)),
2537 "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but BAR release received for sta:%d tid:%d\n",
2538 baid, baid_data->sta_mask, baid_data->tid, sta_id,
2539 tid))
2540 goto out;
2541
2542 IWL_DEBUG_DROP(mvm, "Received a BAR, expect packet loss: nssn %d\n",
2543 nssn);
2544
2545 iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue);
2546 out:
2547 rcu_read_unlock();
2548 }
Kernel DRM miscellaneous fixes and cross-tree changes