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Linux 6.14-rc3
[linux.git] / drivers / net / wireless / intel / iwlwifi / mvm / rxmq.c
CommitLineData
8e99ea8d
JB		 1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
f4eedfd8 3 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
8e99ea8d
JB		 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2015-2017 Intel Deutschland GmbH
6 */
780e87c2
JB		 7#include <linux/etherdevice.h>
8#include <linux/skbuff.h>
9#include "iwl-trans.h"
10#include "mvm.h"
11#include "fw-api.h"
c7eca79d 12#include "time-sync.h"
780e87c2 13
f5e28eac
JB		 14static 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;
3f7a9d57 18 struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
f5e28eac
JB		 19 struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb);
20 struct iwl_mvm_key_pn *ptk_pn;
5ab2ba93 21 int res;
f5e28eac
JB		 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)) {
3df5c0dd
AS		 47 IWL_DEBUG_DROP(mvm,
48 "expected hw-decrypted unicast frame for station\n");
f5e28eac
JB		 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))
8f66e064 62 tid = ieee80211_get_tid(hdr);
f5e28eac
JB		 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
5ab2ba93
SS		 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))
f5e28eac
JB		 82 return -1;
83
5ab2ba93 84 memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN);
f5e28eac
JB		 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 */
de1887c0
LC		 91static 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)
780e87c2 94{
e29cc6b9
SS		 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);
40a0b38d
IP		 99 u8 mic_crc_len = u8_get_bits(desc->mac_flags1,
100 IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK) << 1;
e29cc6b9 101
4b40571e 102 if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
1e5b7750 103 len -= 2;
e29cc6b9 104 pad_len = 2;
4b40571e 105 }
780e87c2 106
40a0b38d
IP		 107 /*
108 * For non monitor interface strip the bytes the RADA might not have
7b41a99c
JB		 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.
40a0b38d 112 */
7b41a99c 113 if (len > mic_crc_len && !ieee80211_hw_check(mvm->hw, RX_INCLUDES_FCS))
40a0b38d 114 len -= mic_crc_len;
40a0b38d 115
780e87c2
JB		 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 */
e29cc6b9
SS		 128 headlen = (len <= skb_tailroom(skb)) ? len :
129 hdrlen + crypt_len + 8;
780e87c2 130
e29cc6b9
SS		 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;
de1887c0 137
8ccb768c 138 if (unlikely(headlen < hdrlen))
de1887c0 139 return -EINVAL;
de1887c0 140
3f7a9d57
MG		 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);
59ae1d12
JB		 145 skb_put_data(skb, hdr, hdrlen);
146 skb_put_data(skb, (u8 *)hdr + hdrlen + pad_len, headlen - hdrlen);
e29cc6b9 147
59ca9572
JB		 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.
b6f5b647
JB		 155 *
156 * Starting from Bz hardware, it calculates starting directly after
157 * the MAC header, so that matches mac80211's expectation.
59ca9572 158 */
217f3c52 159 if (skb->ip_summed == CHECKSUM_COMPLETE) {
59ca9572
JB		 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;
217f3c52 174 else if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
667aa742
JB		 175 /* mac80211 assumes full CSUM including SNAP header */
176 skb_postpush_rcsum(skb, shdr, sizeof(*shdr));
59ca9572
JB		 177 }
178
e29cc6b9 179 fraglen = len - headlen;
780e87c2
JB		 180
181 if (fraglen) {
3827cb59
JB		 182 int offset = (u8 *)hdr + headlen + pad_len -
183 (u8 *)rxb_addr(rxb) + rxb_offset(rxb);
780e87c2
JB		 184
185 skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
186 fraglen, rxb->truesize);
187 }
de1887c0
LC		 188
189 return 0;
f5e28eac 190}
780e87c2 191
056805bc
MG		 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 */
196static void *
197iwl_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
9bf13bee
JB		 207static 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);
056805bc 211 struct ieee80211_radiotap_vendor_content *radiotap;
9179dff8 212 const u16 vendor_data_len = sizeof(mvm->cur_aid);
9bf13bee
JB		 213
214 if (!mvm->cur_aid)
215 return;
216
056805bc
MG		 217 radiotap = iwl_mvm_radiotap_put_tlv(skb,
218 IEEE80211_RADIOTAP_VENDOR_NAMESPACE,
219 sizeof(*radiotap) + vendor_data_len);
3619b088 220
9bf13bee 221 /* Intel OUI */
056805bc
MG		 222 radiotap->oui[0] = 0xf6;
223 radiotap->oui[1] = 0x54;
224 radiotap->oui[2] = 0x25;
9bf13bee 225 /* radiotap sniffer config sub-namespace */
056805bc
MG		 226 radiotap->oui_subtype = 1;
227 radiotap->vendor_type = 0;
228
9bf13bee 229 /* fill the data now */
056805bc 230 memcpy(radiotap->data, &mvm->cur_aid, sizeof(mvm->cur_aid));
9bf13bee 231
9179dff8 232 rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
9bf13bee
JB		 233}
234
f5e28eac
JB		 235/* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
236static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
237 struct napi_struct *napi,
238 struct sk_buff *skb, int queue,
e78d7877 239 struct ieee80211_sta *sta)
f5e28eac 240{
b8a85a1d 241 if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) {
f5e28eac 242 kfree_skb(skb);
b8a85a1d
JB		 243 return;
244 }
245
b8a85a1d 246 ieee80211_rx_napi(mvm->hw, sta, skb, napi);
780e87c2
JB		 247}
248
249static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
18ead597
GBA		 250 struct ieee80211_rx_status *rx_status,
251 u32 rate_n_flags, int energy_a,
252 int energy_b)
780e87c2 253{
18ead597
GBA		 254 int max_energy;
255 u32 rate_flags = rate_n_flags;
780e87c2 256
780e87c2 257 energy_a = energy_a ? -energy_a : S8_MIN;
780e87c2 258 energy_b = energy_b ? -energy_b : S8_MIN;
780e87c2 259 max_energy = max(energy_a, energy_b);
780e87c2 260
d56a7801
SS		 261 IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n",
262 energy_a, energy_b, max_energy);
780e87c2
JB		 263
264 rx_status->signal = max_energy;
c4e45c84
ST		 265 rx_status->chains =
266 (rate_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS;
780e87c2
JB		 267 rx_status->chain_signal[0] = energy_a;
268 rx_status->chain_signal[1] = energy_b;
780e87c2
JB		 269}
270
65db391d
JB		 271static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
272 struct ieee80211_hdr *hdr,
273 struct iwl_rx_mpdu_desc *desc,
2db72b8a
JB		 274 u32 status,
275 struct ieee80211_rx_status *stats)
b1fdc250 276{
91380f76 277 struct wireless_dev *wdev;
b1fdc250
JB		 278 struct iwl_mvm_sta *mvmsta;
279 struct iwl_mvm_vif *mvmvif;
b1fdc250
JB		 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
65db391d
JB		 285 if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE)
286 return 0;
287
b1fdc250
JB		 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
91380f76
JB		 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
e257d969
JB		 305 /* key mismatch - will also report !MIC_OK but we shouldn't count it */
306 if (!(status & IWL_RX_MPDU_STATUS_KEY_VALID))
91380f76 307 goto report;
e257d969 308
b1fdc250
JB		 309 /* good cases */
310 if (likely(status & IWL_RX_MPDU_STATUS_MIC_OK &&
2db72b8a
JB		 311 !(status & IWL_RX_MPDU_STATUS_REPLAY_ERROR))) {
312 stats->flag |= RX_FLAG_DECRYPTED;
b1fdc250 313 return 0;
2db72b8a 314 }
b1fdc250 315
e257d969
JB		 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)
91380f76 324 goto report;
e257d969 325 }
b1fdc250
JB		 326
327 if (len < key->icv_len + IEEE80211_GMAC_PN_LEN + 2)
91380f76 328 goto report;
b1fdc250 329
e257d969 330 /* get the real key ID */
b1fdc250 331 keyid = frame[len - key->icv_len - IEEE80211_GMAC_PN_LEN - 2];
e257d969
JB		 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)
91380f76 342 goto report;
e257d969 343 }
b1fdc250
JB		 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);
91380f76
JB		 350report:
351 wdev = ieee80211_vif_to_wdev(mvmsta->vif);
352 if (wdev->netdev)
353 cfg80211_rx_unprot_mlme_mgmt(wdev->netdev, (void *)hdr, len);
b1fdc250
JB		 354
355 return -1;
356}
357
358static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
359 struct ieee80211_hdr *hdr,
fabdcc2e
SS		 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)
780e87c2 363{
e365e7de 364 u32 status = le32_to_cpu(desc->status);
780e87c2 365
fabdcc2e
SS		 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) ==
3dfbcf78
EG		 375 IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) {
376 IWL_DEBUG_DROP(mvm, "Dropping packets, bad enc status\n");
fabdcc2e 377 return -1;
3dfbcf78 378 }
fabdcc2e 379
65db391d
JB		 380 if (unlikely(ieee80211_is_mgmt(hdr->frame_control) &&
381 !ieee80211_has_protected(hdr->frame_control)))
2db72b8a 382 return iwl_mvm_rx_mgmt_prot(sta, hdr, desc, status, stats);
65db391d 383
780e87c2
JB		 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:
f5e28eac 394 BUILD_BUG_ON(IEEE80211_CCMP_PN_LEN != IEEE80211_GCMP_PN_LEN);
780e87c2 395 /* alg is CCM: check MIC only */
65d3333e
DG		 396 if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) {
397 IWL_DEBUG_DROP(mvm,
398 "Dropping packet, bad MIC (CCM/GCM)\n");
780e87c2 399 return -1;
65d3333e 400 }
780e87c2 401
7b41a99c 402 stats->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MIC_STRIPPED;
780e87c2
JB		 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 */
57df3839
SS		 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))
780e87c2
JB		 410 return 0;
411
286ca8eb 412 if (mvm->trans->trans_cfg->gen2 &&
7f768ad5
DS		 413 !(status & RX_MPDU_RES_STATUS_MIC_OK))
414 stats->flag |= RX_FLAG_MMIC_ERROR;
415
780e87c2 416 *crypt_len = IEEE80211_TKIP_IV_LEN;
5a2abdca 417 fallthrough;
780e87c2
JB		 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;
9d0fc5a5 426
7f768ad5 427 if (pkt_flags & FH_RSCSR_RADA_EN) {
9d0fc5a5 428 stats->flag |= RX_FLAG_ICV_STRIPPED;
286ca8eb 429 if (mvm->trans->trans_cfg->gen2)
7f768ad5
DS		 430 stats->flag |= RX_FLAG_MMIC_STRIPPED;
431 }
9d0fc5a5 432
780e87c2
JB		 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;
b1fdc250 439 case RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC:
65db391d 440 break;
780e87c2 441 default:
94b952b5
EG		 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())
876882b5 452 IWL_WARN(mvm, "Unhandled alg: 0x%x\n", status);
780e87c2
JB		 453 }
454
455 return 0;
456}
457
59ca9572
JB		 458static void iwl_mvm_rx_csum(struct iwl_mvm *mvm,
459 struct ieee80211_sta *sta,
780e87c2 460 struct sk_buff *skb,
59ca9572 461 struct iwl_rx_packet *pkt)
780e87c2 462{
59ca9572
JB		 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 }
780e87c2
JB		 488}
489
a571f5f6 490/*
aedb2b38 491 * returns true if a packet is a duplicate or invalid tid and should be dropped.
5ab2ba93 492 * Updates AMSDU PN tracking info
a571f5f6 493 */
5ab2ba93
SS		 494static 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)
a571f5f6
SS		 498{
499 struct iwl_mvm_sta *mvm_sta;
500 struct iwl_mvm_rxq_dup_data *dup_data;
5ab2ba93 501 u8 tid, sub_frame_idx;
a571f5f6
SS		 502
503 if (WARN_ON(IS_ERR_OR_NULL(sta)))
504 return false;
505
a571f5f6 506 mvm_sta = iwl_mvm_sta_from_mac80211(sta);
b7198383
EG		 507
508 if (WARN_ON_ONCE(!mvm_sta->dup_data))
509 return false;
510
a571f5f6
SS		 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) ||
c82a950f
JB		 518 ieee80211_is_any_nullfunc(hdr->frame_control) ||
519 is_multicast_ether_addr(hdr->addr1))
a571f5f6 520 return false;
a571f5f6 521
aedb2b38 522 if (ieee80211_is_data_qos(hdr->frame_control)) {
a571f5f6 523 /* frame has qos control */
8f66e064 524 tid = ieee80211_get_tid(hdr);
aedb2b38
A		 525 if (tid >= IWL_MAX_TID_COUNT)
526 return true;
527 } else {
a571f5f6 528 tid = IWL_MAX_TID_COUNT;
aedb2b38 529 }
a571f5f6
SS		 530
531 /* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */
18ead597
GBA		 532 sub_frame_idx = desc->amsdu_info &
533 IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
a571f5f6
SS		 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
5ab2ba93
SS		 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
a571f5f6
SS		 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
b915c101
SS		 554static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
555 struct ieee80211_sta *sta,
556 struct napi_struct *napi,
76f4a85e 557 struct iwl_mvm_baid_data *baid_data,
b915c101 558 struct iwl_mvm_reorder_buffer *reorder_buf,
ff8e3a40 559 u16 nssn)
b915c101 560{
dfdddd92
JB		 561 struct iwl_mvm_reorder_buf_entry *entries =
562 &baid_data->entries[reorder_buf->queue *
563 baid_data->entries_per_queue];
b915c101
SS		 564 u16 ssn = reorder_buf->head_sn;
565
0690405f
SS		 566 lockdep_assert_held(&reorder_buf->lock);
567
ff8e3a40 568 while (ieee80211_sn_less(ssn, nssn)) {
eb801f4f 569 int index = ssn % baid_data->buf_size;
ff8e3a40 570 struct sk_buff_head *skb_list = &entries[index].frames;
b915c101
SS		 571 struct sk_buff *skb;
572
573 ssn = ieee80211_sn_inc(ssn);
574
5a710b86
SS		 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 */
b915c101
SS		 580 while ((skb = __skb_dequeue(skb_list))) {
581 iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb,
582 reorder_buf->queue,
e78d7877 583 sta);
b915c101
SS		 584 reorder_buf->num_stored--;
585 }
586 }
587 reorder_buf->head_sn = nssn;
588}
589
590static 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;
9aa3856d 597 u32 sta_id;
b915c101 598
fd659f8e 599 if (WARN_ONCE(baid >= IWL_MAX_BAID, "invalid BAID: %x\n", baid))
b915c101
SS		 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
9aa3856d
JB		 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]);
b915c101
SS		 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 */
0690405f 617 spin_lock_bh(&reorder_buf->lock);
76f4a85e 618 iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf,
b915c101 619 ieee80211_sn_add(reorder_buf->head_sn,
eb801f4f 620 ba_data->buf_size));
0690405f 621 spin_unlock_bh(&reorder_buf->lock);
b915c101
SS		 622
623out:
624 rcu_read_unlock();
625}
626
c61b655a
EG		 627static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm,
628 struct napi_struct *napi,
ff8e3a40 629 u8 baid, u16 nssn, int queue)
c61b655a
EG		 630{
631 struct ieee80211_sta *sta;
632 struct iwl_mvm_reorder_buffer *reorder_buf;
633 struct iwl_mvm_baid_data *ba_data;
9aa3856d 634 u32 sta_id;
c61b655a
EG		 635
636 IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n",
637 baid, nssn);
638
193aa7ee
JB		 639 if (IWL_FW_CHECK(mvm,
640 baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
641 baid >= ARRAY_SIZE(mvm->baid_map),
642 "invalid BAID from FW: %d\n", baid))
c61b655a
EG		 643 return;
644
645 rcu_read_lock();
646
647 ba_data = rcu_dereference(mvm->baid_map[baid]);
193aa7ee
JB		 648 if (!ba_data) {
649 IWL_DEBUG_RX(mvm,
650 "Got valid BAID %d but not allocated, invalid frame release!\n",
651 baid);
c61b655a 652 goto out;
193aa7ee 653 }
c61b655a 654
9aa3856d
JB		 655 /* pick any STA ID to find the pointer */
656 sta_id = ffs(ba_data->sta_mask) - 1;
657 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
c61b655a
EG		 658 if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
659 goto out;
660
661 reorder_buf = &ba_data->reorder_buf[queue];
662
663 spin_lock_bh(&reorder_buf->lock);
3c514bf8 664 iwl_mvm_release_frames(mvm, sta, napi, ba_data,
ff8e3a40 665 reorder_buf, nssn);
c61b655a
EG		 666 spin_unlock_bh(&reorder_buf->lock);
667
668out:
669 rcu_read_unlock();
670}
671
c61b655a
EG		 672void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi,
673 struct iwl_rx_cmd_buffer *rxb, int queue)
94bb4481
SS		 674{
675 struct iwl_rx_packet *pkt = rxb_addr(rxb);
676 struct iwl_rxq_sync_notification *notif;
677 struct iwl_mvm_internal_rxq_notif *internal_notif;
b570e5b0 678 u32 len = iwl_rx_packet_payload_len(pkt);
94bb4481
SS		 679
680 notif = (void *)pkt->data;
681 internal_notif = (void *)notif->payload;
682
b570e5b0
JB		 683 if (WARN_ONCE(len < sizeof(*notif) + sizeof(*internal_notif),
684 "invalid notification size %d (%d)",
685 len, (int)(sizeof(*notif) + sizeof(*internal_notif))))
686 return;
5e1688ce 687 len -= sizeof(*notif) + sizeof(*internal_notif);
b570e5b0 688
f4eedfd8
JB		 689 if (WARN_ONCE(internal_notif->sync &&
690 mvm->queue_sync_cookie != internal_notif->cookie,
691 "Received expired RX queue sync message (cookie %d but wanted %d, queue %d)\n",
692 internal_notif->cookie, mvm->queue_sync_cookie, queue))
42116705 693 return;
d0ff5d22
SS		 694
695 switch (internal_notif->type) {
696 case IWL_MVM_RXQ_EMPTY:
5e1688ce 697 WARN_ONCE(len, "invalid empty notification size %d", len);
0636b938 698 break;
94bb4481 699 case IWL_MVM_RXQ_NOTIF_DEL_BA:
5e1688ce 700 if (WARN_ONCE(len != sizeof(struct iwl_mvm_delba_data),
b570e5b0 701 "invalid delba notification size %d (%d)",
5e1688ce 702 len, (int)sizeof(struct iwl_mvm_delba_data)))
b570e5b0 703 break;
b915c101 704 iwl_mvm_del_ba(mvm, queue, (void *)internal_notif->data);
94bb4481
SS		 705 break;
706 default:
707 WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
708 }
42116705 709
2f7a04c7
JB		 710 if (internal_notif->sync) {
711 WARN_ONCE(!test_and_clear_bit(queue, &mvm->queue_sync_state),
712 "queue sync: queue %d responded a second time!\n",
713 queue);
714 if (READ_ONCE(mvm->queue_sync_state) == 0)
715 wake_up(&mvm->rx_sync_waitq);
716 }
94bb4481
SS		 717}
718
b915c101
SS		 719/*
720 * Returns true if the MPDU was buffered\dropped, false if it should be passed
721 * to upper layer.
722 */
723static bool iwl_mvm_reorder(struct iwl_mvm *mvm,
724 struct napi_struct *napi,
725 int queue,
726 struct ieee80211_sta *sta,
727 struct sk_buff *skb,
728 struct iwl_rx_mpdu_desc *desc)
729{
3f7a9d57 730 struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
b915c101
SS		 731 struct iwl_mvm_baid_data *baid_data;
732 struct iwl_mvm_reorder_buffer *buffer;
b915c101
SS		 733 u32 reorder = le32_to_cpu(desc->reorder_data);
734 bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU;
e7e14089
SS		 735 bool last_subframe =
736 desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME;
8f66e064 737 u8 tid = ieee80211_get_tid(hdr);
dfdddd92 738 struct iwl_mvm_reorder_buf_entry *entries;
9aa3856d 739 u32 sta_mask;
b915c101
SS		 740 int index;
741 u16 nssn, sn;
742 u8 baid;
743
744 baid = (reorder & IWL_RX_MPDU_REORDER_BAID_MASK) >>
745 IWL_RX_MPDU_REORDER_BAID_SHIFT;
746
29fa9a98
EG		 747 if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000)
748 return false;
749
8ec8ed43
JB		 750 /*
751 * This also covers the case of receiving a Block Ack Request
752 * outside a BA session; we'll pass it to mac80211 and that
753 * then sends a delBA action frame.
81444538
JB		 754 * This also covers pure monitor mode, in which case we won't
755 * have any BA sessions.
8ec8ed43 756 */
b915c101
SS		 757 if (baid == IWL_RX_REORDER_DATA_INVALID_BAID)
758 return false;
759
760 /* no sta yet */
417795a3
SS		 761 if (WARN_ONCE(IS_ERR_OR_NULL(sta),
762 "Got valid BAID without a valid station assigned\n"))
b915c101
SS		 763 return false;
764
9a73a7d2
SS		 765 /* not a data packet or a bar */
766 if (!ieee80211_is_back_req(hdr->frame_control) &&
767 (!ieee80211_is_data_qos(hdr->frame_control) ||
768 is_multicast_ether_addr(hdr->addr1)))
b915c101
SS		 769 return false;
770
771 if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
772 return false;
773
774 baid_data = rcu_dereference(mvm->baid_map[baid]);
5d43eab6 775 if (!baid_data) {
a600852a
EG		 776 IWL_DEBUG_RX(mvm,
777 "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
778 baid, reorder);
b915c101 779 return false;
5d43eab6
SS		 780 }
781
9aa3856d 782 sta_mask = iwl_mvm_sta_fw_id_mask(mvm, sta, -1);
9aa3856d 783
568db7fd
JB		 784 if (IWL_FW_CHECK(mvm,
785 tid != baid_data->tid ||
786 !(sta_mask & baid_data->sta_mask),
787 "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but was received for sta_mask:0x%x tid:%d\n",
788 baid, baid_data->sta_mask, baid_data->tid,
789 sta_mask, tid))
b915c101
SS		 790 return false;
791
792 nssn = reorder & IWL_RX_MPDU_REORDER_NSSN_MASK;
793 sn = (reorder & IWL_RX_MPDU_REORDER_SN_MASK) >>
794 IWL_RX_MPDU_REORDER_SN_SHIFT;
795
796 buffer = &baid_data->reorder_buf[queue];
dfdddd92 797 entries = &baid_data->entries[queue * baid_data->entries_per_queue];
b915c101 798
0690405f
SS		 799 spin_lock_bh(&buffer->lock);
800
5d43eab6
SS		 801 if (!buffer->valid) {
802 if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN) {
803 spin_unlock_bh(&buffer->lock);
804 return false;
805 }
806 buffer->valid = true;
807 }
808
ff8e3a40
EG		 809 /* drop any duplicated packets */
810 if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE))
9a73a7d2 811 goto drop;
0968fbfa 812
b915c101 813 /* drop any oudated packets */
ff8e3a40 814 if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN)
b915c101
SS		 815 goto drop;
816
817 /* release immediately if allowed by nssn and no stored frames */
818 if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) {
ff8e3a40 819 if (!amsdu || last_subframe)
0690405f 820 buffer->head_sn = nssn;
f6db1fd4 821
0690405f 822 spin_unlock_bh(&buffer->lock);
b915c101
SS		 823 return false;
824 }
825
14a1f85b
SS		 826 /*
827 * release immediately if there are no stored frames, and the sn is
828 * equal to the head.
829 * This can happen due to reorder timer, where NSSN is behind head_sn.
830 * When we released everything, and we got the next frame in the
831 * sequence, according to the NSSN we can't release immediately,
832 * while technically there is no hole and we can move forward.
833 */
834 if (!buffer->num_stored && sn == buffer->head_sn) {
ff8e3a40 835 if (!amsdu || last_subframe)
14a1f85b 836 buffer->head_sn = ieee80211_sn_inc(buffer->head_sn);
ff8e3a40 837
14a1f85b
SS		 838 spin_unlock_bh(&buffer->lock);
839 return false;
840 }
841
b915c101 842 /* put in reorder buffer */
eb801f4f 843 index = sn % baid_data->buf_size;
ff8e3a40 844 __skb_queue_tail(&entries[index].frames, skb);
b915c101 845 buffer->num_stored++;
0690405f 846
e7e14089
SS		 847 /*
848 * We cannot trust NSSN for AMSDU sub-frames that are not the last.
849 * The reason is that NSSN advances on the first sub-frame, and may
850 * cause the reorder buffer to advance before all the sub-frames arrive.
851 * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with
852 * SN 1. NSSN for first sub frame will be 3 with the result of driver
853 * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is
854 * already ahead and it will be dropped.
855 * If the last sub-frame is not on this queue - we will get frame
856 * release notification with up to date NSSN.
857 */
858 if (!amsdu || last_subframe)
3c514bf8 859 iwl_mvm_release_frames(mvm, sta, napi, baid_data,
ff8e3a40 860 buffer, nssn);
e7e14089 861
0690405f 862 spin_unlock_bh(&buffer->lock);
b915c101
SS		 863 return true;
864
865drop:
866 kfree_skb(skb);
0690405f 867 spin_unlock_bh(&buffer->lock);
b915c101
SS		 868 return true;
869}
870
5d43eab6
SS		 871static void iwl_mvm_agg_rx_received(struct iwl_mvm *mvm,
872 u32 reorder_data, u8 baid)
10b2b201
SS		 873{
874 unsigned long now = jiffies;
875 unsigned long timeout;
876 struct iwl_mvm_baid_data *data;
877
878 rcu_read_lock();
879
880 data = rcu_dereference(mvm->baid_map[baid]);
5d43eab6 881 if (!data) {
a600852a
EG		 882 IWL_DEBUG_RX(mvm,
883 "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
884 baid, reorder_data);
10b2b201 885 goto out;
5d43eab6 886 }
10b2b201
SS		 887
888 if (!data->timeout)
889 goto out;
890
891 timeout = data->timeout;
892 /*
893 * Do not update last rx all the time to avoid cache bouncing
894 * between the rx queues.
895 * Update it every timeout. Worst case is the session will
896 * expire after ~ 2 * timeout, which doesn't matter that much.
897 */
898 if (time_before(data->last_rx + TU_TO_JIFFIES(timeout), now))
899 /* Update is atomic */
900 data->last_rx = now;
901
902out:
903 rcu_read_unlock();
904}
905
e4d72208
SS		 906static void iwl_mvm_flip_address(u8 *addr)
907{
908 int i;
909 u8 mac_addr[ETH_ALEN];
910
911 for (i = 0; i < ETH_ALEN; i++)
912 mac_addr[i] = addr[ETH_ALEN - i - 1];
913 ether_addr_copy(addr, mac_addr);
914}
915
bdf180c8 916struct iwl_mvm_rx_phy_data {
6721039d 917 enum iwl_rx_phy_info_type info_type;
feb4a0e2 918 __le32 d0, d1, d2, d3, eht_d4, d5;
bdf180c8 919 __le16 d4;
feb4a0e2 920 bool with_data;
da118544 921 bool first_subframe;
feb4a0e2 922 __le32 rx_vec[4];
f1490546
JB		 923
924 u32 rate_n_flags;
925 u32 gp2_on_air_rise;
926 u16 phy_info;
927 u8 energy_a, energy_b;
928 u8 channel;
bdf180c8
ST		 929};
930
931static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm *mvm,
932 struct iwl_mvm_rx_phy_data *phy_data,
bdf180c8 933 struct ieee80211_radiotap_he_mu *he_mu)
dabf9844 934{
bdf180c8
ST		 935 u32 phy_data2 = le32_to_cpu(phy_data->d2);
936 u32 phy_data3 = le32_to_cpu(phy_data->d3);
937 u16 phy_data4 = le16_to_cpu(phy_data->d4);
f1490546 938 u32 rate_n_flags = phy_data->rate_n_flags;
dabf9844 939
bdf180c8 940 if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK, phy_data4)) {
dabf9844
JB		 941 he_mu->flags1 |=
942 cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN |
943 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN);
944
945 he_mu->flags1 |=
bdf180c8
ST		 946 le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU,
947 phy_data4),
dabf9844
JB		 948 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU);
949
bdf180c8
ST		 950 he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0,
951 phy_data2);
952 he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1,
953 phy_data3);
954 he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2,
955 phy_data2);
956 he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3,
957 phy_data3);
dabf9844
JB		 958 }
959
bdf180c8 960 if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK, phy_data4) &&
48c6ebc1 961 (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) != RATE_MCS_CHAN_WIDTH_20) {
dabf9844
JB		 962 he_mu->flags1 |=
963 cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN |
964 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN);
965
966 he_mu->flags2 |=
bdf180c8
ST		 967 le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU,
968 phy_data4),
dabf9844
JB		 969 IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU);
970
bdf180c8
ST		 971 he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0,
972 phy_data2);
973 he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1,
974 phy_data3);
975 he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2,
976 phy_data2);
977 he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3,
978 phy_data3);
dabf9844
JB		 979 }
980}
981
ffe9d734 982static void
bdf180c8 983iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
ffe9d734
JB		 984 struct ieee80211_radiotap_he *he,
985 struct ieee80211_radiotap_he_mu *he_mu,
986 struct ieee80211_rx_status *rx_status)
987{
988 /*
989 * Unfortunately, we have to leave the mac80211 data
990 * incorrect for the case that we receive an HE-MU
991 * transmission and *don't* have the HE phy data (due
992 * to the bits being used for TSF). This shouldn't
993 * happen though as management frames where we need
994 * the TSF/timers are not be transmitted in HE-MU.
995 */
bdf180c8 996 u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK);
f1490546 997 u32 rate_n_flags = phy_data->rate_n_flags;
48c6ebc1 998 u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK_V1;
ffe9d734
JB		 999 u8 offs = 0;
1000
1001 rx_status->bw = RATE_INFO_BW_HE_RU;
1002
1003 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1004
1005 switch (ru) {
1006 case 0 ... 36:
1007 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
1008 offs = ru;
1009 break;
1010 case 37 ... 52:
1011 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
1012 offs = ru - 37;
1013 break;
1014 case 53 ... 60:
1015 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1016 offs = ru - 53;
1017 break;
1018 case 61 ... 64:
1019 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
1020 offs = ru - 61;
1021 break;
1022 case 65 ... 66:
1023 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
1024 offs = ru - 65;
1025 break;
1026 case 67:
1027 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
1028 break;
1029 case 68:
1030 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
1031 break;
1032 }
1033 he->data2 |= le16_encode_bits(offs,
1034 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
1035 he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
1036 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
bdf180c8 1037 if (phy_data->d1 & cpu_to_le32(IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80))
ffe9d734
JB		 1038 he->data2 |=
1039 cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
1040
ffe9d734
JB		 1041#define CHECK_BW(bw) \
1042 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
74cf15cb
JB		 1043 RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS); \
1044 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_ ## bw ## MHZ != \
ffe9d734 1045 RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
74cf15cb
JB		 1046 CHECK_BW(20);
1047 CHECK_BW(40);
1048 CHECK_BW(80);
1049 CHECK_BW(160);
1050
1051 if (he_mu)
ffe9d734 1052 he_mu->flags2 |=
48c6ebc1 1053 le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1,
ffe9d734
JB		 1054 rate_n_flags),
1055 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
48c6ebc1 1056 else if (he_type == RATE_MCS_HE_TYPE_TRIG_V1)
74cf15cb
JB		 1057 he->data6 |=
1058 cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN) |
48c6ebc1 1059 le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1,
74cf15cb
JB		 1060 rate_n_flags),
1061 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW);
ffe9d734
JB		 1062}
1063
59b8cf0c 1064static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
bdf180c8 1065 struct iwl_mvm_rx_phy_data *phy_data,
59b8cf0c
JB		 1066 struct ieee80211_radiotap_he *he,
1067 struct ieee80211_radiotap_he_mu *he_mu,
ffe9d734 1068 struct ieee80211_rx_status *rx_status,
f1490546 1069 int queue)
59b8cf0c 1070{
6721039d 1071 switch (phy_data->info_type) {
bdf180c8
ST		 1072 case IWL_RX_PHY_INFO_TYPE_NONE:
1073 case IWL_RX_PHY_INFO_TYPE_CCK:
1074 case IWL_RX_PHY_INFO_TYPE_OFDM_LGCY:
bdf180c8
ST		 1075 case IWL_RX_PHY_INFO_TYPE_HT:
1076 case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1077 case IWL_RX_PHY_INFO_TYPE_VHT_MU:
0ac93c06
MG		 1078 case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1079 case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1080 case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1081 case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
bdf180c8
ST		 1082 return;
1083 case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1084 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
1085 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN |
1086 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN |
1087 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN);
a197e6d1 1088 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
bdf180c8
ST		 1089 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1),
1090 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1);
a197e6d1 1091 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
bdf180c8
ST		 1092 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2),
1093 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2);
a197e6d1 1094 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
bdf180c8
ST		 1095 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3),
1096 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3);
a197e6d1 1097 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
bdf180c8
ST		 1098 IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4),
1099 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4);
5a2abdca 1100 fallthrough;
bdf180c8
ST		 1101 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1102 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1103 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1104 case IWL_RX_PHY_INFO_TYPE_HE_TB:
1105 /* HE common */
1106 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN |
bdf180c8
ST		 1107 IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN |
1108 IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN);
1109 he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN |
1110 IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN |
1111 IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN |
1112 IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
1113 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1114 IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK),
1115 IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR);
7969454b
ST		 1116 if (phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB &&
1117 phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB_EXT) {
1118 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN);
1119 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
bdf180c8 1120 IWL_RX_PHY_DATA0_HE_UPLINK),
7969454b
ST		 1121 IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
1122 }
bdf180c8
ST		 1123 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1124 IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM),
1125 IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG);
bdf180c8
ST		 1126 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1127 IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK),
1128 IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD);
1129 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1130 IWL_RX_PHY_DATA0_HE_PE_DISAMBIG),
1131 IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG);
1132 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d1,
1133 IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK),
1134 IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
1135 he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1136 IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK),
1137 IEEE80211_RADIOTAP_HE_DATA6_TXOP);
1138 he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1139 IWL_RX_PHY_DATA0_HE_DOPPLER),
1140 IEEE80211_RADIOTAP_HE_DATA6_DOPPLER);
1141 break;
1142 }
1143
2286a99c
JB		 1144 switch (phy_data->info_type) {
1145 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1146 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1147 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1148 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN);
1149 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1150 IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK),
1151 IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE);
1152 break;
1153 default:
1154 /* nothing here */
1155 break;
1156 }
1157
6721039d 1158 switch (phy_data->info_type) {
bdf180c8 1159 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
59b8cf0c 1160 he_mu->flags1 |=
bdf180c8
ST		 1161 le16_encode_bits(le16_get_bits(phy_data->d4,
1162 IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM),
59b8cf0c
JB		 1163 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
1164 he_mu->flags1 |=
bdf180c8
ST		 1165 le16_encode_bits(le16_get_bits(phy_data->d4,
1166 IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK),
59b8cf0c
JB		 1167 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
1168 he_mu->flags2 |=
bdf180c8
ST		 1169 le16_encode_bits(le16_get_bits(phy_data->d4,
1170 IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK),
1171 IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
f1490546 1172 iwl_mvm_decode_he_mu_ext(mvm, phy_data, he_mu);
5a2abdca 1173 fallthrough;
bdf180c8 1174 case IWL_RX_PHY_INFO_TYPE_HE_MU:
59b8cf0c 1175 he_mu->flags2 |=
bdf180c8
ST		 1176 le16_encode_bits(le32_get_bits(phy_data->d1,
1177 IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK),
1178 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
59b8cf0c 1179 he_mu->flags2 |=
bdf180c8
ST		 1180 le16_encode_bits(le32_get_bits(phy_data->d1,
1181 IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION),
1182 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
5a2abdca 1183 fallthrough;
bdf180c8
ST		 1184 case IWL_RX_PHY_INFO_TYPE_HE_TB:
1185 case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
f1490546 1186 iwl_mvm_decode_he_phy_ru_alloc(phy_data, he, he_mu, rx_status);
ffe9d734 1187 break;
bdf180c8
ST		 1188 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1189 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN);
1190 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1191 IWL_RX_PHY_DATA0_HE_BEAM_CHNG),
1192 IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE);
1193 break;
ffe9d734
JB		 1194 default:
1195 /* nothing */
1196 break;
1197 }
59b8cf0c
JB		 1198}
1199
4ec82585
MG		 1200#define LE32_DEC_ENC(value, dec_bits, enc_bits) \
1201 le32_encode_bits(le32_get_bits(value, dec_bits), enc_bits)
1202
feb4a0e2
MG		 1203#define IWL_MVM_ENC_USIG_VALUE_MASK(usig, in_value, dec_bits, enc_bits) do { \
1204 typeof(enc_bits) _enc_bits = enc_bits; \
1205 typeof(usig) _usig = usig; \
1206 (_usig)->mask |= cpu_to_le32(_enc_bits); \
1207 (_usig)->value |= LE32_DEC_ENC(in_value, dec_bits, _enc_bits); \
1208} while (0)
1209
7696c07b
MG		 1210#define __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) \
1211 eht->data[(rt_data)] |= \
1212 (cpu_to_le32 \
1213 (IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru ## _KNOWN) | \
1214 LE32_DEC_ENC(data ## fw_data, \
1215 IWL_RX_PHY_DATA ## fw_data ## _EHT_MU_EXT_RU_ALLOC_ ## fw_ru, \
1216 IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru))
1217
1218#define _IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) \
1219 __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru)
1220
1221#define IEEE80211_RADIOTAP_RU_DATA_1_1_1 1
1222#define IEEE80211_RADIOTAP_RU_DATA_2_1_1 2
1223#define IEEE80211_RADIOTAP_RU_DATA_1_1_2 2
1224#define IEEE80211_RADIOTAP_RU_DATA_2_1_2 2
1225#define IEEE80211_RADIOTAP_RU_DATA_1_2_1 3
1226#define IEEE80211_RADIOTAP_RU_DATA_2_2_1 3
1227#define IEEE80211_RADIOTAP_RU_DATA_1_2_2 3
1228#define IEEE80211_RADIOTAP_RU_DATA_2_2_2 4
1229
1230#define IWL_RX_RU_DATA_A1 2
1231#define IWL_RX_RU_DATA_A2 2
1232#define IWL_RX_RU_DATA_B1 2
4831d19b 1233#define IWL_RX_RU_DATA_B2 4
7696c07b
MG		 1234#define IWL_RX_RU_DATA_C1 3
1235#define IWL_RX_RU_DATA_C2 3
1236#define IWL_RX_RU_DATA_D1 4
1237#define IWL_RX_RU_DATA_D2 4
1238
1239#define IWL_MVM_ENC_EHT_RU(rt_ru, fw_ru) \
1240 _IWL_MVM_ENC_EHT_RU(IEEE80211_RADIOTAP_RU_DATA_ ## rt_ru, \
1241 rt_ru, \
1242 IWL_RX_RU_DATA_ ## fw_ru, \
1243 fw_ru)
1244
feb4a0e2
MG		 1245static void iwl_mvm_decode_eht_ext_mu(struct iwl_mvm *mvm,
1246 struct iwl_mvm_rx_phy_data *phy_data,
1247 struct ieee80211_rx_status *rx_status,
1248 struct ieee80211_radiotap_eht *eht,
1249 struct ieee80211_radiotap_eht_usig *usig)
1250{
feb4a0e2 1251 if (phy_data->with_data) {
7696c07b
MG		 1252 __le32 data1 = phy_data->d1;
1253 __le32 data2 = phy_data->d2;
1254 __le32 data3 = phy_data->d3;
feb4a0e2
MG		 1255 __le32 data4 = phy_data->eht_d4;
1256 __le32 data5 = phy_data->d5;
7696c07b 1257 u32 phy_bw = phy_data->rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK;
feb4a0e2
MG		 1258
1259 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1260 IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1261 IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1262 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1263 IWL_RX_PHY_DATA5_EHT_MU_PUNC_CH_CODE,
1264 IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1265 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data4,
1266 IWL_RX_PHY_DATA4_EHT_MU_EXT_SIGB_MCS,
1267 IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1268 IWL_MVM_ENC_USIG_VALUE_MASK
1269 (usig, data1, IWL_RX_PHY_DATA1_EHT_MU_NUM_SIG_SYM_USIGA2,
1270 IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1271
7696c07b
MG		 1272 eht->user_info[0] |=
1273 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN) |
1274 LE32_DEC_ENC(data5, IWL_RX_PHY_DATA5_EHT_MU_STA_ID_USR,
1275 IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID);
1276
1277 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M);
1278 eht->data[7] |= LE32_DEC_ENC
1279 (data5, IWL_RX_PHY_DATA5_EHT_MU_NUM_USR_NON_OFDMA,
1280 IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS);
1281
1282 /*
1283 * Hardware labels the content channels/RU allocation values
1284 * as follows:
1285 * Content Channel 1 Content Channel 2
1286 * 20 MHz: A1
1287 * 40 MHz: A1 B1
1288 * 80 MHz: A1 C1 B1 D1
1289 * 160 MHz: A1 C1 A2 C2 B1 D1 B2 D2
1290 * 320 MHz: A1 C1 A2 C2 A3 C3 A4 C4 B1 D1 B2 D2 B3 D3 B4 D4
1291 *
1292 * However firmware can only give us A1-D2, so the higher
1293 * frequencies are missing.
1294 */
1295
1296 switch (phy_bw) {
1297 case RATE_MCS_CHAN_WIDTH_320:
1298 /* additional values are missing in RX metadata */
1299 case RATE_MCS_CHAN_WIDTH_160:
1300 /* content channel 1 */
1301 IWL_MVM_ENC_EHT_RU(1_2_1, A2);
1302 IWL_MVM_ENC_EHT_RU(1_2_2, C2);
1303 /* content channel 2 */
1304 IWL_MVM_ENC_EHT_RU(2_2_1, B2);
1305 IWL_MVM_ENC_EHT_RU(2_2_2, D2);
1306 fallthrough;
1307 case RATE_MCS_CHAN_WIDTH_80:
1308 /* content channel 1 */
1309 IWL_MVM_ENC_EHT_RU(1_1_2, C1);
1310 /* content channel 2 */
1311 IWL_MVM_ENC_EHT_RU(2_1_2, D1);
1312 fallthrough;
1313 case RATE_MCS_CHAN_WIDTH_40:
1314 /* content channel 2 */
1315 IWL_MVM_ENC_EHT_RU(2_1_1, B1);
1316 fallthrough;
1317 case RATE_MCS_CHAN_WIDTH_20:
1318 IWL_MVM_ENC_EHT_RU(1_1_1, A1);
1319 break;
1320 }
feb4a0e2
MG		 1321 } else {
1322 __le32 usig_a1 = phy_data->rx_vec[0];
1323 __le32 usig_a2 = phy_data->rx_vec[1];
1324
1325 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1326 IWL_RX_USIG_A1_DISREGARD,
1327 IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD);
1328 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1329 IWL_RX_USIG_A1_VALIDATE,
1330 IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE);
1331 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1332 IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1333 IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1334 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1335 IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1336 IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE);
1337 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1338 IWL_RX_USIG_A2_EHT_PUNC_CHANNEL,
1339 IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1340 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1341 IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B8,
1342 IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE);
1343 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1344 IWL_RX_USIG_A2_EHT_SIG_MCS,
1345 IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1346 IWL_MVM_ENC_USIG_VALUE_MASK
1347 (usig, usig_a2, IWL_RX_USIG_A2_EHT_SIG_SYM_NUM,
1348 IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1349 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1350 IWL_RX_USIG_A2_EHT_CRC_OK,
1351 IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC);
1352 }
1353}
1354
1355static void iwl_mvm_decode_eht_ext_tb(struct iwl_mvm *mvm,
1356 struct iwl_mvm_rx_phy_data *phy_data,
1357 struct ieee80211_rx_status *rx_status,
1358 struct ieee80211_radiotap_eht *eht,
1359 struct ieee80211_radiotap_eht_usig *usig)
1360{
1361 if (phy_data->with_data) {
1362 __le32 data5 = phy_data->d5;
1363
1364 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1365 IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1366 IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1367 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1368 IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE1,
1369 IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1370
1371 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1372 IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE2,
1373 IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1374 } else {
1375 __le32 usig_a1 = phy_data->rx_vec[0];
1376 __le32 usig_a2 = phy_data->rx_vec[1];
1377
1378 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1379 IWL_RX_USIG_A1_DISREGARD,
1380 IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD);
1381 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1382 IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1383 IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1384 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1385 IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1386 IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE);
1387 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1388 IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_1,
1389 IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1390 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1391 IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_2,
1392 IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1393 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1394 IWL_RX_USIG_A2_EHT_TRIG_USIG2_DISREGARD,
1395 IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD);
1396 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1397 IWL_RX_USIG_A2_EHT_CRC_OK,
1398 IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC);
1399 }
1400}
1401
e8c0a6fd
MG		 1402static void iwl_mvm_decode_eht_ru(struct iwl_mvm *mvm,
1403 struct ieee80211_rx_status *rx_status,
1404 struct ieee80211_radiotap_eht *eht)
1405{
1406 u32 ru = le32_get_bits(eht->data[8],
1407 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1408 enum nl80211_eht_ru_alloc nl_ru;
1409
1410 /* Using D1.5 Table 9-53a - Encoding of PS160 and RU Allocation subfields
1411 * in an EHT variant User Info field
1412 */
1413
1414 switch (ru) {
1415 case 0 ... 36:
1416 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_26;
1417 break;
1418 case 37 ... 52:
1419 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52;
1420 break;
1421 case 53 ... 60:
1422 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106;
1423 break;
1424 case 61 ... 64:
1425 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_242;
1426 break;
1427 case 65 ... 66:
1428 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484;
1429 break;
1430 case 67:
1431 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996;
1432 break;
1433 case 68:
1434 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996;
1435 break;
1436 case 69:
1437 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_4x996;
1438 break;
1439 case 70 ... 81:
1440 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52P26;
1441 break;
1442 case 82 ... 89:
1443 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106P26;
1444 break;
1445 case 90 ... 93:
1446 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484P242;
1447 break;
1448 case 94 ... 95:
1449 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484;
1450 break;
1451 case 96 ... 99:
1452 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484P242;
1453 break;
1454 case 100 ... 103:
1455 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996P484;
1456 break;
1457 case 104:
1458 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996;
1459 break;
1460 case 105 ... 106:
1461 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996P484;
1462 break;
1463 default:
1464 return;
1465 }
1466
1467 rx_status->bw = RATE_INFO_BW_EHT_RU;
1468 rx_status->eht.ru = nl_ru;
1469}
1470
4ec82585
MG		 1471static void iwl_mvm_decode_eht_phy_data(struct iwl_mvm *mvm,
1472 struct iwl_mvm_rx_phy_data *phy_data,
1473 struct ieee80211_rx_status *rx_status,
1474 struct ieee80211_radiotap_eht *eht,
1475 struct ieee80211_radiotap_eht_usig *usig)
1476
1477{
1478 __le32 data0 = phy_data->d0;
1479 __le32 data1 = phy_data->d1;
feb4a0e2 1480 __le32 usig_a1 = phy_data->rx_vec[0];
4ec82585
MG		 1481 u8 info_type = phy_data->info_type;
1482
1483 /* Not in EHT range */
1484 if (info_type < IWL_RX_PHY_INFO_TYPE_EHT_MU ||
1485 info_type > IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT)
1486 return;
1487
1488 usig->common |= cpu_to_le32
1489 (IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN |
1490 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN);
feb4a0e2
MG		 1491 if (phy_data->with_data) {
1492 usig->common |= LE32_DEC_ENC(data0,
1493 IWL_RX_PHY_DATA0_EHT_UPLINK,
1494 IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1495 usig->common |= LE32_DEC_ENC(data0,
1496 IWL_RX_PHY_DATA0_EHT_BSS_COLOR_MASK,
1497 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1498 } else {
1499 usig->common |= LE32_DEC_ENC(usig_a1,
1500 IWL_RX_USIG_A1_UL_FLAG,
1501 IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1502 usig->common |= LE32_DEC_ENC(usig_a1,
1503 IWL_RX_USIG_A1_BSS_COLOR,
1504 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1505 }
4ec82585 1506
557b56d5
JB		 1507 if (fw_has_capa(&mvm->fw->ucode_capa,
1508 IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT)) {
1509 usig->common |=
1510 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED);
1511 usig->common |=
1512 LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_VALIDATE,
1513 IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK);
1514 }
1515
4ec82585
MG		 1516 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE);
1517 eht->data[0] |= LE32_DEC_ENC(data0,
1518 IWL_RX_PHY_DATA0_ETH_SPATIAL_REUSE_MASK,
1519 IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE);
1520
1521 /* All RU allocating size/index is in TB format */
1522 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT);
1523 eht->data[8] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PS160,
1524 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160);
0e394135 1525 eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B0,
4ec82585 1526 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0);
0e394135 1527 eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B1_B7,
4ec82585
MG		 1528 IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1529
e8c0a6fd
MG		 1530 iwl_mvm_decode_eht_ru(mvm, rx_status, eht);
1531
5abf3154
MG		 1532 /* We only get here in case of IWL_RX_MPDU_PHY_TSF_OVERLOAD is set
1533 * which is on only in case of monitor mode so no need to check monitor
1534 * mode
1535 */
1536 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80);
1537 eht->data[1] |=
1538 le32_encode_bits(mvm->monitor_p80,
1539 IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80);
1540
4ec82585 1541 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN);
feb4a0e2
MG		 1542 if (phy_data->with_data)
1543 usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_TXOP_DUR_MASK,
1544 IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1545 else
1546 usig->common |= LE32_DEC_ENC(usig_a1, IWL_RX_USIG_A1_TXOP_DURATION,
1547 IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1548
4ec82585
MG		 1549 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM);
1550 eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_LDPC_EXT_SYM,
1551 IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM);
1552
1553 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM);
1554 eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PRE_FEC_PAD_MASK,
1555 IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM);
1556
1557 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM);
1558 eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PE_DISAMBIG,
1559 IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM);
1560
1561 /* TODO: what about IWL_RX_PHY_DATA0_EHT_BW320_SLOT */
1562
1563 if (!le32_get_bits(data0, IWL_RX_PHY_DATA0_EHT_SIGA_CRC_OK))
1564 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC);
1565
1566 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN);
1567 usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PHY_VER,
1568 IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER);
feb4a0e2
MG		 1569
1570 /*
1571 * TODO: what about TB - IWL_RX_PHY_DATA1_EHT_TB_PILOT_TYPE,
1572 * IWL_RX_PHY_DATA1_EHT_TB_LOW_SS
1573 */
1574
1575 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF);
1576 eht->data[0] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_SIG_LTF_NUM,
1577 IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF);
1578
1579 if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT ||
1580 info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB)
1581 iwl_mvm_decode_eht_ext_tb(mvm, phy_data, rx_status, eht, usig);
1582
1583 if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT ||
1584 info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU)
1585 iwl_mvm_decode_eht_ext_mu(mvm, phy_data, rx_status, eht, usig);
4ec82585
MG		 1586}
1587
24f7f6e3
MG		 1588static void iwl_mvm_rx_eht(struct iwl_mvm *mvm, struct sk_buff *skb,
1589 struct iwl_mvm_rx_phy_data *phy_data,
1590 int queue)
1591{
1592 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1593
1594 struct ieee80211_radiotap_eht *eht;
1595 struct ieee80211_radiotap_eht_usig *usig;
b55c1f4e 1596 size_t eht_len = sizeof(*eht);
24f7f6e3
MG		 1597
1598 u32 rate_n_flags = phy_data->rate_n_flags;
1599 u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1600 /* EHT and HE have the same valus for LTF */
1601 u8 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1602 u16 phy_info = phy_data->phy_info;
1603 u32 bw;
1604
1605 /* u32 for 1 user_info */
b55c1f4e
IP		 1606 if (phy_data->with_data)
1607 eht_len += sizeof(u32);
1608
1609 eht = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT, eht_len);
24f7f6e3
MG		 1610
1611 usig = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT_USIG,
1612 sizeof(*usig));
1613 rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
1614 usig->common |=
1615 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN);
1616
1617 /* specific handling for 320MHz */
1618 bw = FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags);
1619 if (bw == RATE_MCS_CHAN_WIDTH_320_VAL)
1620 bw += FIELD_GET(IWL_RX_PHY_DATA0_EHT_BW320_SLOT,
1621 le32_to_cpu(phy_data->d0));
1622
1623 usig->common |= cpu_to_le32
1624 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW, bw));
1625
1626 /* report the AMPDU-EOF bit on single frames */
1627 if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1628 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1629 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1630 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1631 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1632 }
1633
1634 /* update aggregation data for monitor sake on default queue */
1635 if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
da118544
JB		 1636 (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1637 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1638 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1639 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
24f7f6e3
MG		 1640 }
1641
4ec82585
MG		 1642 if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1643 iwl_mvm_decode_eht_phy_data(mvm, phy_data, rx_status, eht, usig);
24f7f6e3
MG		 1644
1645#define CHECK_TYPE(F) \
1646 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F != \
1647 (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1648
1649 CHECK_TYPE(SU);
1650 CHECK_TYPE(EXT_SU);
1651 CHECK_TYPE(MU);
1652 CHECK_TYPE(TRIG);
1653
1654 switch (FIELD_GET(RATE_MCS_HE_GI_LTF_MSK, rate_n_flags)) {
1655 case 0:
1656 if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1657 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1658 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1659 } else {
1660 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1661 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1662 }
1663 break;
1664 case 1:
1665 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1666 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1667 break;
1668 case 2:
1669 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1670 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1671 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1672 else
1673 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1674 break;
1675 case 3:
1676 if (he_type != RATE_MCS_HE_TYPE_TRIG) {
1677 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1678 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1679 }
1680 break;
1681 default:
1682 /* nothing here */
1683 break;
1684 }
1685
1686 if (ltf != IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN) {
1687 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_GI);
1688 eht->data[0] |= cpu_to_le32
1689 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_LTF,
1690 ltf) |
1691 FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_GI,
1692 rx_status->eht.gi));
1693 }
1694
24f7f6e3 1695
b55c1f4e
IP		 1696 if (!phy_data->with_data) {
1697 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S |
1698 IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S);
1699 eht->data[7] |=
1700 le32_encode_bits(le32_get_bits(phy_data->rx_vec[2],
1701 RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK),
1702 IEEE80211_RADIOTAP_EHT_DATA7_NSS_S);
1703 if (rate_n_flags & RATE_MCS_BF_MSK)
1704 eht->data[7] |=
1705 cpu_to_le32(IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S);
1706 } else {
24f7f6e3 1707 eht->user_info[0] |=
b55c1f4e
IP		 1708 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN |
1709 IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN |
1710 IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O |
1711 IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O |
1712 IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER);
1713
1714 if (rate_n_flags & RATE_MCS_BF_MSK)
1715 eht->user_info[0] |=
1716 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O);
1717
1718 if (rate_n_flags & RATE_MCS_LDPC_MSK)
1719 eht->user_info[0] |=
1720 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_CODING);
1721
1722 eht->user_info[0] |= cpu_to_le32
1723 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS,
1724 FIELD_GET(RATE_VHT_MCS_RATE_CODE_MSK,
1725 rate_n_flags)) |
1726 FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O,
1727 FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags)));
1728 }
24f7f6e3
MG		 1729}
1730
c630b477 1731static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
6721039d 1732 struct iwl_mvm_rx_phy_data *phy_data,
f1490546 1733 int queue)
c630b477
SS		 1734{
1735 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
c630b477
SS		 1736 struct ieee80211_radiotap_he *he = NULL;
1737 struct ieee80211_radiotap_he_mu *he_mu = NULL;
f1490546 1738 u32 rate_n_flags = phy_data->rate_n_flags;
ce712478 1739 u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
3d579204 1740 u8 ltf;
c630b477
SS		 1741 static const struct ieee80211_radiotap_he known = {
1742 .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
1743 IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
1744 IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN |
1745 IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN),
1746 .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN |
1747 IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN),
1748 };
1749 static const struct ieee80211_radiotap_he_mu mu_known = {
1750 .flags1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN |
1751 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN |
1752 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN |
1753 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN),
dabf9844
JB		 1754 .flags2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN |
1755 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
c630b477 1756 };
f1490546 1757 u16 phy_info = phy_data->phy_info;
c630b477
SS		 1758
1759 he = skb_put_data(skb, &known, sizeof(known));
c630b477
SS		 1760 rx_status->flag |= RX_FLAG_RADIOTAP_HE;
1761
6721039d
ST		 1762 if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU ||
1763 phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU_EXT) {
bdf180c8 1764 he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known));
bdf180c8 1765 rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU;
c630b477
SS		 1766 }
1767
937c2652
ST		 1768 /* report the AMPDU-EOF bit on single frames */
1769 if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1770 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1771 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1772 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF))
1773 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
c630b477
SS		 1774 }
1775
bdf180c8 1776 if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
6721039d 1777 iwl_mvm_decode_he_phy_data(mvm, phy_data, he, he_mu, rx_status,
f1490546 1778 queue);
59b8cf0c 1779
c630b477 1780 /* update aggregation data for monitor sake on default queue */
bdf180c8 1781 if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
da118544
JB		 1782 (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1783 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1784 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1785 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
c630b477
SS		 1786 }
1787
ce712478
LC		 1788 if (he_type == RATE_MCS_HE_TYPE_EXT_SU &&
1789 rate_n_flags & RATE_MCS_HE_106T_MSK) {
c630b477
SS		 1790 rx_status->bw = RATE_INFO_BW_HE_RU;
1791 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1792 }
dabf9844 1793
ffe9d734 1794 /* actually data is filled in mac80211 */
ce712478
LC		 1795 if (he_type == RATE_MCS_HE_TYPE_SU ||
1796 he_type == RATE_MCS_HE_TYPE_EXT_SU)
dabf9844
JB		 1797 he->data1 |=
1798 cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1799
c630b477
SS		 1800#define CHECK_TYPE(F) \
1801 BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F != \
ce712478 1802 (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
c630b477
SS		 1803
1804 CHECK_TYPE(SU);
1805 CHECK_TYPE(EXT_SU);
1806 CHECK_TYPE(MU);
1807 CHECK_TYPE(TRIG);
1808
ce712478 1809 he->data1 |= cpu_to_le16(he_type >> RATE_MCS_HE_TYPE_POS);
c630b477 1810
caf3216f 1811 if (rate_n_flags & RATE_MCS_BF_MSK)
c630b477
SS		 1812 he->data5 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA5_TXBF);
1813
ce712478 1814 switch ((rate_n_flags & RATE_MCS_HE_GI_LTF_MSK) >>
c630b477
SS		 1815 RATE_MCS_HE_GI_LTF_POS) {
1816 case 0:
ce712478 1817 if (he_type == RATE_MCS_HE_TYPE_TRIG)
93cc712a
JB		 1818 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1819 else
1820 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
ce712478 1821 if (he_type == RATE_MCS_HE_TYPE_MU)
de8da230
JB		 1822 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1823 else
1824 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
c630b477
SS		 1825 break;
1826 case 1:
ce712478 1827 if (he_type == RATE_MCS_HE_TYPE_TRIG)
93cc712a
JB		 1828 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1829 else
1830 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
de8da230 1831 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
c630b477
SS		 1832 break;
1833 case 2:
ce712478 1834 if (he_type == RATE_MCS_HE_TYPE_TRIG) {
93cc712a 1835 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
de8da230 1836 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
93cc712a
JB		 1837 } else {
1838 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
de8da230 1839 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
93cc712a 1840 }
c630b477
SS		 1841 break;
1842 case 3:
ce712478 1843 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
de8da230 1844 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
c630b477 1845 break;
ce712478
LC		 1846 case 4:
1847 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1848 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1849 break;
1850 default:
1851 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
c630b477
SS		 1852 }
1853
bdf180c8
ST		 1854 he->data5 |= le16_encode_bits(ltf,
1855 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
c630b477
SS		 1856}
1857
6721039d
ST		 1858static void iwl_mvm_decode_lsig(struct sk_buff *skb,
1859 struct iwl_mvm_rx_phy_data *phy_data)
1860{
1861 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1862 struct ieee80211_radiotap_lsig *lsig;
1863
1864 switch (phy_data->info_type) {
1865 case IWL_RX_PHY_INFO_TYPE_HT:
1866 case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1867 case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1868 case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1869 case IWL_RX_PHY_INFO_TYPE_HE_SU:
1870 case IWL_RX_PHY_INFO_TYPE_HE_MU:
1871 case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1872 case IWL_RX_PHY_INFO_TYPE_HE_TB:
eccfe017
MG		 1873 case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1874 case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1875 case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1876 case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
6721039d
ST		 1877 lsig = skb_put(skb, sizeof(*lsig));
1878 lsig->data1 = cpu_to_le16(IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN);
1879 lsig->data2 = le16_encode_bits(le32_get_bits(phy_data->d1,
1880 IWL_RX_PHY_DATA1_LSIG_LEN_MASK),
1881 IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH);
1882 rx_status->flag |= RX_FLAG_RADIOTAP_LSIG;
1883 break;
1884 default:
1885 break;
1886 }
1887}
1888
e5d153ec
EG		 1889struct iwl_rx_sta_csa {
1890 bool all_sta_unblocked;
1891 struct ieee80211_vif *vif;
1892};
1893
1894static void iwl_mvm_rx_get_sta_block_tx(void *data, struct ieee80211_sta *sta)
1895{
1896 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1897 struct iwl_rx_sta_csa *rx_sta_csa = data;
1898
1899 if (mvmsta->vif != rx_sta_csa->vif)
1900 return;
1901
1902 if (mvmsta->disable_tx)
1903 rx_sta_csa->all_sta_unblocked = false;
1904}
1905
f1490546
JB		 1906/*
1907 * Note: requires also rx_status->band to be prefilled, as well
1908 * as phy_data (apart from phy_data->info_type)
1909 */
1910static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
1911 struct sk_buff *skb,
1912 struct iwl_mvm_rx_phy_data *phy_data,
1913 int queue)
1914{
1915 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1916 u32 rate_n_flags = phy_data->rate_n_flags;
1917 u8 stbc = u32_get_bits(rate_n_flags, RATE_MCS_STBC_MSK);
1918 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
1919 bool is_sgi;
1920
1921 phy_data->info_type = IWL_RX_PHY_INFO_TYPE_NONE;
1922
1923 if (phy_data->phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1924 phy_data->info_type =
1925 le32_get_bits(phy_data->d1,
1926 IWL_RX_PHY_DATA1_INFO_TYPE_MASK);
1927
1928 /* This may be overridden by iwl_mvm_rx_he() to HE_RU */
1929 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
1930 case RATE_MCS_CHAN_WIDTH_20:
1931 break;
1932 case RATE_MCS_CHAN_WIDTH_40:
1933 rx_status->bw = RATE_INFO_BW_40;
1934 break;
1935 case RATE_MCS_CHAN_WIDTH_80:
1936 rx_status->bw = RATE_INFO_BW_80;
1937 break;
1938 case RATE_MCS_CHAN_WIDTH_160:
1939 rx_status->bw = RATE_INFO_BW_160;
1940 break;
23dcee94
JB		 1941 case RATE_MCS_CHAN_WIDTH_320:
1942 rx_status->bw = RATE_INFO_BW_320;
1943 break;
f1490546
JB		 1944 }
1945
1946 /* must be before L-SIG data */
1947 if (format == RATE_MCS_HE_MSK)
1948 iwl_mvm_rx_he(mvm, skb, phy_data, queue);
1949
1950 iwl_mvm_decode_lsig(skb, phy_data);
1951
1952 rx_status->device_timestamp = phy_data->gp2_on_air_rise;
0e49e940
AS		 1953
1954 if (mvm->rx_ts_ptp && mvm->monitor_on) {
1955 u64 adj_time =
1956 iwl_mvm_ptp_get_adj_time(mvm, phy_data->gp2_on_air_rise * NSEC_PER_USEC);
1957
94854648
JB		 1958 rx_status->mactime = div64_u64(adj_time, NSEC_PER_USEC);
1959 rx_status->flag |= RX_FLAG_MACTIME_IS_RTAP_TS64;
1960 rx_status->flag &= ~RX_FLAG_MACTIME;
0e49e940
AS		 1961 }
1962
f1490546
JB		 1963 rx_status->freq = ieee80211_channel_to_frequency(phy_data->channel,
1964 rx_status->band);
1965 iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags,
1966 phy_data->energy_a, phy_data->energy_b);
1967
24f7f6e3
MG		 1968 /* using TLV format and must be after all fixed len fields */
1969 if (format == RATE_MCS_EHT_MSK)
1970 iwl_mvm_rx_eht(mvm, skb, phy_data, queue);
1971
f1490546
JB		 1972 if (unlikely(mvm->monitor_on))
1973 iwl_mvm_add_rtap_sniffer_config(mvm, skb);
1974
1975 is_sgi = format == RATE_MCS_HE_MSK ?
1976 iwl_he_is_sgi(rate_n_flags) :
1977 rate_n_flags & RATE_MCS_SGI_MSK;
1978
1979 if (!(format == RATE_MCS_CCK_MSK) && is_sgi)
1980 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
1981
1982 if (rate_n_flags & RATE_MCS_LDPC_MSK)
1983 rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
1984
3d579204
JB		 1985 switch (format) {
1986 case RATE_MCS_VHT_MSK:
1987 rx_status->encoding = RX_ENC_VHT;
1988 break;
1989 case RATE_MCS_HE_MSK:
1990 rx_status->encoding = RX_ENC_HE;
1991 rx_status->he_dcm =
1992 !!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK);
1993 break;
23dcee94
JB		 1994 case RATE_MCS_EHT_MSK:
1995 rx_status->encoding = RX_ENC_EHT;
1996 break;
3d579204
JB		 1997 }
1998
f1490546
JB		 1999 switch (format) {
2000 case RATE_MCS_HT_MSK:
2001 rx_status->encoding = RX_ENC_HT;
2002 rx_status->rate_idx = RATE_HT_MCS_INDEX(rate_n_flags);
2003 rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
2004 break;
2005 case RATE_MCS_VHT_MSK:
3d579204 2006 case RATE_MCS_HE_MSK:
23dcee94 2007 case RATE_MCS_EHT_MSK:
f1490546 2008 rx_status->nss =
3d579204 2009 u32_get_bits(rate_n_flags, RATE_MCS_NSS_MSK) + 1;
f1490546 2010 rx_status->rate_idx = rate_n_flags & RATE_MCS_CODE_MSK;
f1490546 2011 rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
f1490546
JB		 2012 break;
2013 default: {
2014 int rate = iwl_mvm_legacy_hw_idx_to_mac80211_idx(rate_n_flags,
2015 rx_status->band);
2016
2017 rx_status->rate_idx = rate;
2018
9387e359 2019 if ((rate < 0 || rate > 0xFF)) {
f1490546 2020 rx_status->rate_idx = 0;
9387e359
MS		 2021 if (net_ratelimit())
2022 IWL_ERR(mvm, "Invalid rate flags 0x%x, band %d,\n",
2023 rate_n_flags, rx_status->band);
b79d2219
LC		 2024 }
2025
f1490546
JB		 2026 break;
2027 }
2028 }
2029}
2030
780e87c2
JB		 2031void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
2032 struct iwl_rx_cmd_buffer *rxb, int queue)
2033{
2034 struct ieee80211_rx_status *rx_status;
2035 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2036 struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
18ead597 2037 struct ieee80211_hdr *hdr;
b8aba27c 2038 u32 len;
efc0ec5a 2039 u32 pkt_len = iwl_rx_packet_payload_len(pkt);
780e87c2
JB		 2040 struct ieee80211_sta *sta = NULL;
2041 struct sk_buff *skb;
f1490546 2042 u8 crypt_len = 0;
ec0d43d2 2043 u8 sta_id = le32_get_bits(desc->status, IWL_RX_MPDU_STATUS_STA_ID);
18ead597 2044 size_t desc_size;
f1490546 2045 struct iwl_mvm_rx_phy_data phy_data = {};
ce712478 2046 u32 format;
780e87c2 2047
364a1ab9
SM		 2048 if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2049 return;
2050
b8aba27c
JB		 2051 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
2052 desc_size = sizeof(*desc);
2053 else
2054 desc_size = IWL_RX_DESC_SIZE_V1;
2055
2056 if (unlikely(pkt_len < desc_size)) {
2057 IWL_DEBUG_DROP(mvm, "Bad REPLY_RX_MPDU_CMD size\n");
2058 return;
2059 }
2060
3681021f 2061 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
f1490546
JB		 2062 phy_data.rate_n_flags = le32_to_cpu(desc->v3.rate_n_flags);
2063 phy_data.channel = desc->v3.channel;
2064 phy_data.gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise);
2065 phy_data.energy_a = desc->v3.energy_a;
2066 phy_data.energy_b = desc->v3.energy_b;
6721039d
ST		 2067
2068 phy_data.d0 = desc->v3.phy_data0;
2069 phy_data.d1 = desc->v3.phy_data1;
2070 phy_data.d2 = desc->v3.phy_data2;
2071 phy_data.d3 = desc->v3.phy_data3;
feb4a0e2
MG		 2072 phy_data.eht_d4 = desc->phy_eht_data4;
2073 phy_data.d5 = desc->v3.phy_data5;
18ead597 2074 } else {
f1490546
JB		 2075 phy_data.rate_n_flags = le32_to_cpu(desc->v1.rate_n_flags);
2076 phy_data.channel = desc->v1.channel;
2077 phy_data.gp2_on_air_rise = le32_to_cpu(desc->v1.gp2_on_air_rise);
2078 phy_data.energy_a = desc->v1.energy_a;
2079 phy_data.energy_b = desc->v1.energy_b;
6721039d
ST		 2080
2081 phy_data.d0 = desc->v1.phy_data0;
2082 phy_data.d1 = desc->v1.phy_data1;
2083 phy_data.d2 = desc->v1.phy_data2;
2084 phy_data.d3 = desc->v1.phy_data3;
18ead597 2085 }
f1490546 2086
ce712478
LC		 2087 if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
2088 REPLY_RX_MPDU_CMD, 0) < 4) {
f1490546 2089 phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags);
ce712478 2090 IWL_DEBUG_DROP(mvm, "Got old format rate, converting. New rate: 0x%x\n",
f1490546 2091 phy_data.rate_n_flags);
ce712478 2092 }
f1490546
JB		 2093
2094 format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
18ead597 2095
b8aba27c 2096 len = le16_to_cpu(desc->mpdu_len);
6721039d 2097
b8aba27c 2098 if (unlikely(len + desc_size > pkt_len)) {
efc0ec5a
JB		 2099 IWL_DEBUG_DROP(mvm, "FW lied about packet len\n");
2100 return;
2101 }
2102
feb4a0e2 2103 phy_data.with_data = true;
f1490546 2104 phy_data.phy_info = le16_to_cpu(desc->phy_info);
b8aba27c
JB		 2105 phy_data.d4 = desc->phy_data4;
2106
18ead597 2107 hdr = (void *)(pkt->data + desc_size);
780e87c2
JB		 2108 /* Dont use dev_alloc_skb(), we'll have enough headroom once
2109 * ieee80211_hdr pulled.
2110 */
2111 skb = alloc_skb(128, GFP_ATOMIC);
2112 if (!skb) {
2113 IWL_ERR(mvm, "alloc_skb failed\n");
2114 return;
2115 }
2116
1e5b7750
JB		 2117 if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
2118 /*
2119 * If the device inserted padding it means that (it thought)
2120 * the 802.11 header wasn't a multiple of 4 bytes long. In
2121 * this case, reserve two bytes at the start of the SKB to
2122 * align the payload properly in case we end up copying it.
2123 */
2124 skb_reserve(skb, 2);
2125 }
2126
780e87c2
JB		 2127 rx_status = IEEE80211_SKB_RXCB(skb);
2128
780e87c2
JB		 2129 /*
2130 * Keep packets with CRC errors (and with overrun) for monitor mode
2131 * (otherwise the firmware discards them) but mark them as bad.
2132 */
e365e7de
JB		 2133 if (!(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_CRC_OK)) ||
2134 !(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_OVERRUN_OK))) {
780e87c2 2135 IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n",
e365e7de 2136 le32_to_cpu(desc->status));
780e87c2
JB		 2137 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
2138 }
f1490546 2139
fbe41127 2140 /* set the preamble flag if appropriate */
ce712478 2141 if (format == RATE_MCS_CCK_MSK &&
f1490546 2142 phy_data.phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE)
7fdd69c5 2143 rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
fbe41127 2144
f1490546 2145 if (likely(!(phy_data.phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) {
18ead597
GBA		 2146 u64 tsf_on_air_rise;
2147
286ca8eb 2148 if (mvm->trans->trans_cfg->device_family >=
3681021f 2149 IWL_DEVICE_FAMILY_AX210)
18ead597
GBA		 2150 tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise);
2151 else
2152 tsf_on_air_rise = le64_to_cpu(desc->v1.tsf_on_air_rise);
2153
2154 rx_status->mactime = tsf_on_air_rise;
fbe41127
SS		 2155 /* TSF as indicated by the firmware is at INA time */
2156 rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
bd6fc655
LK		 2157 }
2158
65b9425c
TM		 2159 if (iwl_mvm_is_band_in_rx_supported(mvm)) {
2160 u8 band = BAND_IN_RX_STATUS(desc->mac_phy_idx);
2161
91d80986 2162 rx_status->band = iwl_mvm_nl80211_band_from_phy(band);
65b9425c 2163 } else {
f1490546 2164 rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
65b9425c
TM		 2165 NL80211_BAND_2GHZ;
2166 }
fbe41127
SS		 2167
2168 /* update aggregation data for monitor sake on default queue */
f1490546
JB		 2169 if (!queue && (phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
2170 bool toggle_bit;
fbe41127 2171
f1490546 2172 toggle_bit = phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE;
fbe41127 2173 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
5213e8a8
JB		 2174 /*
2175 * Toggle is switched whenever new aggregation starts. Make
2176 * sure ampdu_reference is never 0 so we can later use it to
2177 * see if the frame was really part of an A-MPDU or not.
2178 */
fbe41127
SS		 2179 if (toggle_bit != mvm->ampdu_toggle) {
2180 mvm->ampdu_ref++;
5213e8a8
JB		 2181 if (mvm->ampdu_ref == 0)
2182 mvm->ampdu_ref++;
fbe41127 2183 mvm->ampdu_toggle = toggle_bit;
da118544 2184 phy_data.first_subframe = true;
fbe41127 2185 }
1f7698ab 2186 rx_status->ampdu_reference = mvm->ampdu_ref;
fbe41127 2187 }
780e87c2
JB		 2188
2189 rcu_read_lock();
2190
e365e7de 2191 if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_SRC_STA_FOUND)) {
ec0d43d2 2192 if (!WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) {
7c789b91
MK		 2193 struct ieee80211_link_sta *link_sta;
2194
ec0d43d2 2195 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
780e87c2
JB		 2196 if (IS_ERR(sta))
2197 sta = NULL;
ec0d43d2 2198 link_sta = rcu_dereference(mvm->fw_id_to_link_sta[sta_id]);
e78d7877
BB		 2199
2200 if (sta && sta->valid_links && link_sta) {
2201 rx_status->link_valid = 1;
2202 rx_status->link_id = link_sta->link_id;
2203 }
780e87c2
JB		 2204 }
2205 } else if (!is_multicast_ether_addr(hdr->addr2)) {
2206 /*
2207 * This is fine since we prevent two stations with the same
2208 * address from being added.
2209 */
2210 sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
2211 }
2212
f1490546 2213 if (iwl_mvm_rx_crypto(mvm, sta, hdr, rx_status, phy_data.phy_info, desc,
b1fdc250
JB		 2214 le32_to_cpu(pkt->len_n_flags), queue,
2215 &crypt_len)) {
2216 kfree_skb(skb);
2217 goto out;
2218 }
2219
f1490546
JB		 2220 iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue);
2221
780e87c2
JB		 2222 if (sta) {
2223 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
d3a108a4
AO		 2224 struct ieee80211_vif *tx_blocked_vif =
2225 rcu_dereference(mvm->csa_tx_blocked_vif);
10b2b201
SS		 2226 u8 baid = (u8)((le32_to_cpu(desc->reorder_data) &
2227 IWL_RX_MPDU_REORDER_BAID_MASK) >>
2228 IWL_RX_MPDU_REORDER_BAID_SHIFT);
6c042d75
SS		 2229 struct iwl_fw_dbg_trigger_tlv *trig;
2230 struct ieee80211_vif *vif = mvmsta->vif;
780e87c2 2231
7d9d0d56
LC		 2232 if (!mvm->tcm.paused && len >= sizeof(*hdr) &&
2233 !is_multicast_ether_addr(hdr->addr1) &&
2234 ieee80211_is_data(hdr->frame_control) &&
2235 time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD))
2236 schedule_delayed_work(&mvm->tcm.work, 0);
2237
780e87c2
JB		 2238 /*
2239 * We have tx blocked stations (with CS bit). If we heard
2240 * frames from a blocked station on a new channel we can
2241 * TX to it again.
2242 */
6c042d75 2243 if (unlikely(tx_blocked_vif) && tx_blocked_vif == vif) {
d3a108a4
AO		 2244 struct iwl_mvm_vif *mvmvif =
2245 iwl_mvm_vif_from_mac80211(tx_blocked_vif);
e5d153ec
EG		 2246 struct iwl_rx_sta_csa rx_sta_csa = {
2247 .all_sta_unblocked = true,
2248 .vif = tx_blocked_vif,
2249 };
d3a108a4
AO		 2250
2251 if (mvmvif->csa_target_freq == rx_status->freq)
2252 iwl_mvm_sta_modify_disable_tx_ap(mvm, sta,
2253 false);
e5d153ec
EG		 2254 ieee80211_iterate_stations_atomic(mvm->hw,
2255 iwl_mvm_rx_get_sta_block_tx,
2256 &rx_sta_csa);
2257
2258 if (rx_sta_csa.all_sta_unblocked) {
2259 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2260 /* Unblock BCAST / MCAST station */
2261 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
c2d8b7f2 2262 cancel_delayed_work(&mvm->cs_tx_unblock_dwork);
e5d153ec 2263 }
d3a108a4 2264 }
780e87c2 2265
ecaf71de 2266 rs_update_last_rssi(mvm, mvmsta, rx_status);
780e87c2 2267
6c042d75
SS		 2268 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
2269 ieee80211_vif_to_wdev(vif),
2270 FW_DBG_TRIGGER_RSSI);
2271
2272 if (trig && ieee80211_is_beacon(hdr->frame_control)) {
780e87c2 2273 struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
780e87c2
JB		 2274 s32 rssi;
2275
780e87c2
JB		 2276 rssi_trig = (void *)trig->data;
2277 rssi = le32_to_cpu(rssi_trig->rssi);
2278
6c042d75 2279 if (rx_status->signal < rssi)
7174beb6
JB		 2280 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
2281 NULL);
780e87c2
JB		 2282 }
2283
780e87c2 2284 if (ieee80211_is_data(hdr->frame_control))
59ca9572 2285 iwl_mvm_rx_csum(mvm, sta, skb, pkt);
a571f5f6 2286
5ab2ba93 2287 if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
3dfbcf78
EG		 2288 IWL_DEBUG_DROP(mvm, "Dropping duplicate packet 0x%x\n",
2289 le16_to_cpu(hdr->seq_ctrl));
a571f5f6 2290 kfree_skb(skb);
cb2de6bb 2291 goto out;
a571f5f6 2292 }
62d23403
SS		 2293
2294 /*
2295 * Our hardware de-aggregates AMSDUs but copies the mac header
2296 * as it to the de-aggregated MPDUs. We need to turn off the
2297 * AMSDU bit in the QoS control ourselves.
9dfa2151 2298 * In addition, HW reverses addr3 and addr4 - reverse it back.
62d23403
SS		 2299 */
2300 if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2301 !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
2302 u8 *qc = ieee80211_get_qos_ctl(hdr);
2303
2304 *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
a56cb4f0 2305
286ca8eb 2306 if (mvm->trans->trans_cfg->device_family ==
e4d72208
SS		 2307 IWL_DEVICE_FAMILY_9000) {
2308 iwl_mvm_flip_address(hdr->addr3);
9dfa2151 2309
e4d72208
SS		 2310 if (ieee80211_has_a4(hdr->frame_control))
2311 iwl_mvm_flip_address(hdr->addr4);
9dfa2151 2312 }
62d23403 2313 }
5d43eab6
SS		 2314 if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) {
2315 u32 reorder_data = le32_to_cpu(desc->reorder_data);
2316
2317 iwl_mvm_agg_rx_received(mvm, reorder_data, baid);
2318 }
ec0d43d2
MK		 2319
2320 if (ieee80211_is_data(hdr->frame_control)) {
2321 u8 sub_frame_idx = desc->amsdu_info &
2322 IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
2323
2324 /* 0 means not an A-MSDU, and 1 means a new A-MSDU */
2325 if (!sub_frame_idx || sub_frame_idx == 1)
2326 iwl_mvm_count_mpdu(mvmsta, sta_id, 1, false,
2327 queue);
2328 }
780e87c2
JB		 2329 }
2330
fbe41127
SS		 2331 /* management stuff on default queue */
2332 if (!queue) {
2333 if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
2334 ieee80211_is_probe_resp(hdr->frame_control)) &&
2335 mvm->sched_scan_pass_all ==
2336 SCHED_SCAN_PASS_ALL_ENABLED))
2337 mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
2338
2339 if (unlikely(ieee80211_is_beacon(hdr->frame_control) ||
2340 ieee80211_is_probe_resp(hdr->frame_control)))
9285ec4c 2341 rx_status->boottime_ns = ktime_get_boottime_ns();
fbe41127 2342 }
780e87c2 2343
de1887c0
LC		 2344 if (iwl_mvm_create_skb(mvm, skb, hdr, len, crypt_len, rxb)) {
2345 kfree_skb(skb);
2346 goto out;
2347 }
2348
c7eca79d 2349 if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc) &&
0d255883 2350 likely(!iwl_mvm_time_sync_frame(mvm, skb, hdr->addr2)) &&
29fa9a98
EG		 2351 likely(!iwl_mvm_mei_filter_scan(mvm, skb))) {
2352 if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
2353 (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2354 !(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME))
2355 rx_status->flag |= RX_FLAG_AMSDU_MORE;
2356
e78d7877 2357 iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
29fa9a98 2358 }
cb2de6bb 2359out:
f5e28eac 2360 rcu_read_unlock();
780e87c2 2361}
585a6fcc 2362
d47cdb88
JB		 2363void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
2364 struct iwl_rx_cmd_buffer *rxb, int queue)
bf9dfeda
ST		 2365{
2366 struct ieee80211_rx_status *rx_status;
2367 struct iwl_rx_packet *pkt = rxb_addr(rxb);
8dd51b5f 2368 struct iwl_rx_no_data_ver_3 *desc = (void *)pkt->data;
1174e8fc 2369 u32 rssi;
bf9dfeda
ST		 2370 struct ieee80211_sta *sta = NULL;
2371 struct sk_buff *skb;
1174e8fc 2372 struct iwl_mvm_rx_phy_data phy_data;
f1490546 2373 u32 format;
ce712478 2374
1174e8fc
MG		 2375 if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2376 return;
2377
2378 if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(struct iwl_rx_no_data)))
2379 return;
2380
2381 rssi = le32_to_cpu(desc->rssi);
1174e8fc
MG		 2382 phy_data.d0 = desc->phy_info[0];
2383 phy_data.d1 = desc->phy_info[1];
2384 phy_data.phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD;
2385 phy_data.gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time);
2386 phy_data.rate_n_flags = le32_to_cpu(desc->rate);
2387 phy_data.energy_a = u32_get_bits(rssi, RX_NO_DATA_CHAIN_A_MSK);
2388 phy_data.energy_b = u32_get_bits(rssi, RX_NO_DATA_CHAIN_B_MSK);
2389 phy_data.channel = u32_get_bits(rssi, RX_NO_DATA_CHANNEL_MSK);
feb4a0e2 2390 phy_data.with_data = false;
97110233
MS		 2391 phy_data.rx_vec[0] = desc->rx_vec[0];
2392 phy_data.rx_vec[1] = desc->rx_vec[1];
1174e8fc 2393
ce712478
LC		 2394 if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2395 RX_NO_DATA_NOTIF, 0) < 2) {
2396 IWL_DEBUG_DROP(mvm, "Got an old rate format. Old rate: 0x%x\n",
f1490546
JB		 2397 phy_data.rate_n_flags);
2398 phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags);
ce712478 2399 IWL_DEBUG_DROP(mvm, " Rate after conversion to the new format: 0x%x\n",
f1490546 2400 phy_data.rate_n_flags);
ce712478 2401 }
f1490546
JB		 2402
2403 format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
bf9dfeda 2404
8dd51b5f
MG		 2405 if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2406 RX_NO_DATA_NOTIF, 0) >= 3) {
2407 if (unlikely(iwl_rx_packet_payload_len(pkt) <
2408 sizeof(struct iwl_rx_no_data_ver_3)))
2409 /* invalid len for ver 3 */
2410 return;
97110233
MS		 2411 phy_data.rx_vec[2] = desc->rx_vec[2];
2412 phy_data.rx_vec[3] = desc->rx_vec[3];
8dd51b5f
MG		 2413 } else {
2414 if (format == RATE_MCS_EHT_MSK)
2415 /* no support for EHT before version 3 API */
2416 return;
2417 }
2418
bf9dfeda
ST		 2419 /* Dont use dev_alloc_skb(), we'll have enough headroom once
2420 * ieee80211_hdr pulled.
2421 */
2422 skb = alloc_skb(128, GFP_ATOMIC);
2423 if (!skb) {
2424 IWL_ERR(mvm, "alloc_skb failed\n");
2425 return;
2426 }
2427
2428 rx_status = IEEE80211_SKB_RXCB(skb);
2429
2430 /* 0-length PSDU */
2431 rx_status->flag |= RX_FLAG_NO_PSDU;
d47cdb88 2432
472a15d3
JB		 2433 /* mark as failed PLCP on any errors to skip checks in mac80211 */
2434 if (le32_get_bits(desc->info, RX_NO_DATA_INFO_ERR_MSK) !=
2435 RX_NO_DATA_INFO_ERR_NONE)
2436 rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC;
2437
2438 switch (le32_get_bits(desc->info, RX_NO_DATA_INFO_TYPE_MSK)) {
d47cdb88
JB		 2439 case RX_NO_DATA_INFO_TYPE_NDP:
2440 rx_status->zero_length_psdu_type =
2441 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING;
2442 break;
2443 case RX_NO_DATA_INFO_TYPE_MU_UNMATCHED:
c0da321b 2444 case RX_NO_DATA_INFO_TYPE_TB_UNMATCHED:
d47cdb88
JB		 2445 rx_status->zero_length_psdu_type =
2446 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED;
2447 break;
2448 default:
2449 rx_status->zero_length_psdu_type =
2450 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR;
2451 break;
2452 }
bf9dfeda 2453
f1490546 2454 rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
bf9dfeda 2455 NL80211_BAND_2GHZ;
bf9dfeda 2456
f1490546 2457 iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue);
ce712478 2458
3f7a9d57
MG		 2459 /* no more radio tap info should be put after this point.
2460 *
2461 * We mark it as mac header, for upper layers to know where
2462 * all radio tap header ends.
0f2e9f6f
MG		 2463 *
2464 * Since data doesn't move data while putting data on skb and that is
2465 * the only way we use, data + len is the next place that hdr would be put
3f7a9d57 2466 */
0f2e9f6f 2467 skb_set_mac_header(skb, skb->len);
3f7a9d57 2468
f1490546
JB		 2469 /*
2470 * Override the nss from the rx_vec since the rate_n_flags has
2471 * only 2 bits for the nss which gives a max of 4 ss but there
2472 * may be up to 8 spatial streams.
2473 */
2474 switch (format) {
2475 case RATE_MCS_VHT_MSK:
c97781d1
ST		 2476 rx_status->nss =
2477 le32_get_bits(desc->rx_vec[0],
2478 RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1;
f1490546
JB		 2479 break;
2480 case RATE_MCS_HE_MSK:
c97781d1
ST		 2481 rx_status->nss =
2482 le32_get_bits(desc->rx_vec[0],
2483 RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1;
f1490546 2484 break;
8dd51b5f
MG		 2485 case RATE_MCS_EHT_MSK:
2486 rx_status->nss =
2487 le32_get_bits(desc->rx_vec[2],
2488 RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK) + 1;
bf9dfeda
ST		 2489 }
2490
f1490546 2491 rcu_read_lock();
ed714460 2492 ieee80211_rx_napi(mvm->hw, sta, skb, napi);
bf9dfeda
ST		 2493 rcu_read_unlock();
2494}
c61b655a 2495
a338384b 2496void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
585a6fcc
SS		 2497 struct iwl_rx_cmd_buffer *rxb, int queue)
2498{
a338384b
SS		 2499 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2500 struct iwl_frame_release *release = (void *)pkt->data;
a338384b 2501
1e1a58be
JB		 2502 if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
2503 return;
2504
c61b655a 2505 iwl_mvm_release_frames_from_notif(mvm, napi, release->baid,
ecd09ddc 2506 le16_to_cpu(release->nssn),
ff8e3a40 2507 queue);
585a6fcc 2508}
fe69b7d1
JB		 2509
2510void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2511 struct iwl_rx_cmd_buffer *rxb, int queue)
2512{
2513 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2514 struct iwl_bar_frame_release *release = (void *)pkt->data;
fe69b7d1 2515 struct iwl_mvm_baid_data *baid_data;
1532c5d6 2516 u32 pkt_len = iwl_rx_packet_payload_len(pkt);
2afb0b9b 2517 unsigned int baid, nssn, sta_id, tid;
fe69b7d1 2518
1532c5d6
DG		 2519 if (IWL_FW_CHECK(mvm, pkt_len < sizeof(*release),
2520 "Unexpected frame release notif size %d (expected %zu)\n",
2521 pkt_len, sizeof(*release)))
1e1a58be
JB		 2522 return;
2523
2afb0b9b
DG		 2524 baid = le32_get_bits(release->ba_info,
2525 IWL_BAR_FRAME_RELEASE_BAID_MASK);
2526 nssn = le32_get_bits(release->ba_info,
2527 IWL_BAR_FRAME_RELEASE_NSSN_MASK);
2528 sta_id = le32_get_bits(release->sta_tid,
2529 IWL_BAR_FRAME_RELEASE_STA_MASK);
2530 tid = le32_get_bits(release->sta_tid,
2531 IWL_BAR_FRAME_RELEASE_TID_MASK);
2532
fe69b7d1
JB		 2533 if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
2534 baid >= ARRAY_SIZE(mvm->baid_map)))
2535 return;
2536
2537 rcu_read_lock();
2538 baid_data = rcu_dereference(mvm->baid_map[baid]);
2539 if (!baid_data) {
2540 IWL_DEBUG_RX(mvm,
2541 "Got valid BAID %d but not allocated, invalid BAR release!\n",
2542 baid);
2543 goto out;
2544 }
2545
b61ed2b8 2546 if (WARN(tid != baid_data->tid || sta_id > IWL_STATION_COUNT_MAX ||
9aa3856d
JB		 2547 !(baid_data->sta_mask & BIT(sta_id)),
2548 "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but BAR release received for sta:%d tid:%d\n",
2549 baid, baid_data->sta_mask, baid_data->tid, sta_id,
fe69b7d1
JB		 2550 tid))
2551 goto out;
2552
88717def
EG		 2553 IWL_DEBUG_DROP(mvm, "Received a BAR, expect packet loss: nssn %d\n",
2554 nssn);
2555
ff8e3a40 2556 iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue);
fe69b7d1
JB		 2557out:
2558 rcu_read_unlock();
2559}
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