rxmq.c

   1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2/*
   3 * Copyright (C) 2012-2014, 2018-2025 Intel Corporation
   4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
   5 * Copyright (C) 2015-2017 Intel Deutschland GmbH
   6 */
   7#include <linux/etherdevice.h>
   8#include <linux/skbuff.h>
   9#include "iwl-trans.h"
  10#include "mvm.h"
  11#include "fw-api.h"
  12#include "time-sync.h"
  13
  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;
  18	struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
  19	struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb);
  20	struct iwl_mvm_key_pn *ptk_pn;
  21	int res;
  22	u8 tid, keyidx;
  23	u8 pn[IEEE80211_CCMP_PN_LEN];
  24	u8 *extiv;
  25
  26	/* do PN checking */
  27
  28	/* multicast and non-data only arrives on default queue */
  29	if (!ieee80211_is_data(hdr->frame_control) ||
  30	    is_multicast_ether_addr(hdr->addr1))
  31		return 0;
  32
  33	/* do not check PN for open AP */
  34	if (!(stats->flag & RX_FLAG_DECRYPTED))
  35		return 0;
  36
  37	/*
  38	 * avoid checking for default queue - we don't want to replicate
  39	 * all the logic that's necessary for checking the PN on fragmented
  40	 * frames, leave that to mac80211
  41	 */
  42	if (queue == 0)
  43		return 0;
  44
  45	/* if we are here - this for sure is either CCMP or GCMP */
  46	if (IS_ERR_OR_NULL(sta)) {
  47		IWL_DEBUG_DROP(mvm,
  48			       "expected hw-decrypted unicast frame for station\n");
  49		return -1;
  50	}
  51
  52	mvmsta = iwl_mvm_sta_from_mac80211(sta);
  53
  54	extiv = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
  55	keyidx = extiv[3] >> 6;
  56
  57	ptk_pn = rcu_dereference(mvmsta->ptk_pn[keyidx]);
  58	if (!ptk_pn)
  59		return -1;
  60
  61	if (ieee80211_is_data_qos(hdr->frame_control))
  62		tid = ieee80211_get_tid(hdr);
  63	else
  64		tid = 0;
  65
  66	/* we don't use HCCA/802.11 QoS TSPECs, so drop such frames */
  67	if (tid >= IWL_MAX_TID_COUNT)
  68		return -1;
  69
  70	/* load pn */
  71	pn[0] = extiv[7];
  72	pn[1] = extiv[6];
  73	pn[2] = extiv[5];
  74	pn[3] = extiv[4];
  75	pn[4] = extiv[1];
  76	pn[5] = extiv[0];
  77
  78	res = memcmp(pn, ptk_pn->q[queue].pn[tid], IEEE80211_CCMP_PN_LEN);
  79	if (res < 0)
  80		return -1;
  81	if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN))
  82		return -1;
  83
  84	memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN);
  85	stats->flag |= RX_FLAG_PN_VALIDATED;
  86
  87	return 0;
  88}
  89
  90/* iwl_mvm_create_skb Adds the rxb to a new skb */
  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)
  94{
  95	struct iwl_rx_packet *pkt = rxb_addr(rxb);
  96	struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
  97	unsigned int headlen, fraglen, pad_len = 0;
  98	unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
  99	u8 mic_crc_len = u8_get_bits(desc->mac_flags1,
 100				     IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK) << 1;
 101
 102	if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
 103		len -= 2;
 104		pad_len = 2;
 105	}
 106
 107	/*
 108	 * For non monitor interface strip the bytes the RADA might not have
 109	 * removed (it might be disabled, e.g. for mgmt frames). As a monitor
 110	 * interface cannot exist with other interfaces, this removal is safe
 111	 * and sufficient, in monitor mode there's no decryption being done.
 112	 */
 113	if (len > mic_crc_len && !ieee80211_hw_check(mvm->hw, RX_INCLUDES_FCS))
 114		len -= mic_crc_len;
 115
 116	/* If frame is small enough to fit in skb->head, pull it completely.
 117	 * If not, only pull ieee80211_hdr (including crypto if present, and
 118	 * an additional 8 bytes for SNAP/ethertype, see below) so that
 119	 * splice() or TCP coalesce are more efficient.
 120	 *
 121	 * Since, in addition, ieee80211_data_to_8023() always pull in at
 122	 * least 8 bytes (possibly more for mesh) we can do the same here
 123	 * to save the cost of doing it later. That still doesn't pull in
 124	 * the actual IP header since the typical case has a SNAP header.
 125	 * If the latter changes (there are efforts in the standards group
 126	 * to do so) we should revisit this and ieee80211_data_to_8023().
 127	 */
 128	headlen = (len <= skb_tailroom(skb)) ? len :
 129					       hdrlen + crypt_len + 8;
 130
 131	/* The firmware may align the packet to DWORD.
 132	 * The padding is inserted after the IV.
 133	 * After copying the header + IV skip the padding if
 134	 * present before copying packet data.
 135	 */
 136	hdrlen += crypt_len;
 137
 138	if (unlikely(headlen < hdrlen))
 139		return -EINVAL;
 140
 141	/* Since data doesn't move data while putting data on skb and that is
 142	 * the only way we use, data + len is the next place that hdr would be put
 143	 */
 144	skb_set_mac_header(skb, skb->len);
 145	skb_put_data(skb, hdr, hdrlen);
 146	skb_put_data(skb, (u8 *)hdr + hdrlen + pad_len, headlen - hdrlen);
 147
 148	/*
 149	 * If we did CHECKSUM_COMPLETE, the hardware only does it right for
 150	 * certain cases and starts the checksum after the SNAP. Check if
 151	 * this is the case - it's easier to just bail out to CHECKSUM_NONE
 152	 * in the cases the hardware didn't handle, since it's rare to see
 153	 * such packets, even though the hardware did calculate the checksum
 154	 * in this case, just starting after the MAC header instead.
 155	 *
 156	 * Starting from Bz hardware, it calculates starting directly after
 157	 * the MAC header, so that matches mac80211's expectation.
 158	 */
 159	if (skb->ip_summed == CHECKSUM_COMPLETE) {
 160		struct {
 161			u8 hdr[6];
 162			__be16 type;
 163		} __packed *shdr = (void *)((u8 *)hdr + hdrlen + pad_len);
 164
 165		if (unlikely(headlen - hdrlen < sizeof(*shdr) ||
 166			     !ether_addr_equal(shdr->hdr, rfc1042_header) ||
 167			     (shdr->type != htons(ETH_P_IP) &&
 168			      shdr->type != htons(ETH_P_ARP) &&
 169			      shdr->type != htons(ETH_P_IPV6) &&
 170			      shdr->type != htons(ETH_P_8021Q) &&
 171			      shdr->type != htons(ETH_P_PAE) &&
 172			      shdr->type != htons(ETH_P_TDLS))))
 173			skb->ip_summed = CHECKSUM_NONE;
 174		else if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
 175			/* mac80211 assumes full CSUM including SNAP header */
 176			skb_postpush_rcsum(skb, shdr, sizeof(*shdr));
 177	}
 178
 179	fraglen = len - headlen;
 180
 181	if (fraglen) {
 182		int offset = (u8 *)hdr + headlen + pad_len -
 183			     (u8 *)rxb_addr(rxb) + rxb_offset(rxb);
 184
 185		skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
 186				fraglen, rxb->truesize);
 187	}
 188
 189	return 0;
 190}
 191
 192/* put a TLV on the skb and return data pointer
 193 *
 194 * Also pad to 4 the len and zero out all data part
 195 */
 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
 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);
 211	struct ieee80211_radiotap_vendor_content *radiotap;
 212	const u16 vendor_data_len = sizeof(mvm->cur_aid);
 213
 214	if (!mvm->cur_aid)
 215		return;
 216
 217	radiotap = iwl_mvm_radiotap_put_tlv(skb,
 218					    IEEE80211_RADIOTAP_VENDOR_NAMESPACE,
 219					    sizeof(*radiotap) + vendor_data_len);
 220
 221	/* Intel OUI */
 222	radiotap->oui[0] = 0xf6;
 223	radiotap->oui[1] = 0x54;
 224	radiotap->oui[2] = 0x25;
 225	/* radiotap sniffer config sub-namespace */
 226	radiotap->oui_subtype = 1;
 227	radiotap->vendor_type = 0;
 228
 229	/* fill the data now */
 230	memcpy(radiotap->data, &mvm->cur_aid, sizeof(mvm->cur_aid));
 231
 232	rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
 233}
 234
 235/* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
 236static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
 237					    struct napi_struct *napi,
 238					    struct sk_buff *skb, int queue,
 239					    struct ieee80211_sta *sta)
 240{
 241	if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) {
 242		kfree_skb(skb);
 243		return;
 244	}
 245
 246	ieee80211_rx_napi(mvm->hw, sta, skb, napi);
 247}
 248
 249static bool iwl_mvm_used_average_energy(struct iwl_mvm *mvm,
 250					struct iwl_rx_mpdu_desc *desc,
 251					struct ieee80211_hdr *hdr,
 252					struct ieee80211_rx_status *rx_status)
 253{
 254	struct iwl_mvm_vif *mvm_vif;
 255	struct ieee80211_vif *vif;
 256	u32 id;
 257
 258	if (unlikely(!hdr || !desc))
 259		return false;
 260
 261	if (likely(!ieee80211_is_beacon(hdr->frame_control)))
 262		return false;
 263
 264	/* for the link conf lookup */
 265	guard(rcu)();
 266
 267	/* MAC or link ID depending on FW, but driver has them equal */
 268	id = u8_get_bits(desc->mac_phy_band,
 269			 IWL_RX_MPDU_MAC_PHY_BAND_MAC_MASK);
 270
 271	/* >= means AUX MAC/link ID, no energy correction needed then */
 272	if (id >= ARRAY_SIZE(mvm->vif_id_to_mac))
 273		return false;
 274
 275	vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true);
 276	if (!vif)
 277		return false;
 278
 279	mvm_vif = iwl_mvm_vif_from_mac80211(vif);
 280
 281	/*
 282	 * If we know the MAC by MAC or link ID then the frame was
 283	 * received for the link, so by filtering it means it was
 284	 * from the AP the link is connected to.
 285	 */
 286
 287	/* skip also in case we don't have it (yet) */
 288	if (!mvm_vif->deflink.average_beacon_energy)
 289		return false;
 290
 291	IWL_DEBUG_STATS(mvm, "energy override by average %d\n",
 292			mvm_vif->deflink.average_beacon_energy);
 293	rx_status->signal = -mvm_vif->deflink.average_beacon_energy;
 294	return true;
 295}
 296
 297static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
 298					struct iwl_rx_mpdu_desc *desc,
 299					struct ieee80211_hdr *hdr,
 300					struct ieee80211_rx_status *rx_status,
 301					u32 rate_n_flags, int energy_a,
 302					int energy_b)
 303{
 304	int max_energy;
 305
 306	energy_a = energy_a ? -energy_a : S8_MIN;
 307	energy_b = energy_b ? -energy_b : S8_MIN;
 308	max_energy = max(energy_a, energy_b);
 309
 310	IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n",
 311			energy_a, energy_b, max_energy);
 312
 313	if (iwl_mvm_used_average_energy(mvm, desc, hdr, rx_status))
 314		return;
 315
 316	rx_status->signal = max_energy;
 317	rx_status->chains = u32_get_bits(rate_n_flags, RATE_MCS_ANT_AB_MSK);
 318	rx_status->chain_signal[0] = energy_a;
 319	rx_status->chain_signal[1] = energy_b;
 320}
 321
 322static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 323				struct ieee80211_hdr *hdr,
 324				struct iwl_rx_mpdu_desc *desc,
 325				u32 status,
 326				struct ieee80211_rx_status *stats)
 327{
 328	struct wireless_dev *wdev;
 329	struct iwl_mvm_sta *mvmsta;
 330	struct iwl_mvm_vif *mvmvif;
 331	u8 keyid;
 332	struct ieee80211_key_conf *key;
 333	u32 len = le16_to_cpu(desc->mpdu_len);
 334	const u8 *frame = (void *)hdr;
 335	const u8 *mmie;
 336
 337	if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE)
 338		return 0;
 339
 340	/*
 341	 * For non-beacon, we don't really care. But beacons may
 342	 * be filtered out, and we thus need the firmware's replay
 343	 * detection, otherwise beacons the firmware previously
 344	 * filtered could be replayed, or something like that, and
 345	 * it can filter a lot - though usually only if nothing has
 346	 * changed.
 347	 */
 348	if (!ieee80211_is_beacon(hdr->frame_control))
 349		return 0;
 350
 351	if (!sta)
 352		return -1;
 353
 354	mvmsta = iwl_mvm_sta_from_mac80211(sta);
 355	mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
 356
 357	/* key mismatch - will also report !MIC_OK but we shouldn't count it */
 358	if (!(status & IWL_RX_MPDU_STATUS_KEY_VALID))
 359		goto report;
 360
 361	/* good cases */
 362	if (likely(status & IWL_RX_MPDU_STATUS_MIC_OK &&
 363		   !(status & IWL_RX_MPDU_STATUS_REPLAY_ERROR))) {
 364		stats->flag |= RX_FLAG_DECRYPTED;
 365		return 0;
 366	}
 367
 368	/*
 369	 * both keys will have the same cipher and MIC length, use
 370	 * whichever one is available
 371	 */
 372	key = rcu_dereference(mvmvif->bcn_prot.keys[0]);
 373	if (!key) {
 374		key = rcu_dereference(mvmvif->bcn_prot.keys[1]);
 375		if (!key)
 376			goto report;
 377	}
 378
 379	if (len < key->icv_len)
 380		goto report;
 381
 382	/* get the real key ID */
 383	mmie = frame + (len - key->icv_len);
 384
 385	/* the position of the key_id in ieee80211_mmie_16 is the same */
 386	keyid = le16_to_cpu(((const struct ieee80211_mmie *) mmie)->key_id);
 387
 388	/* and if that's the other key, look it up */
 389	if (keyid != key->keyidx) {
 390		/*
 391		 * shouldn't happen since firmware checked, but be safe
 392		 * in case the MIC length is wrong too, for example
 393		 */
 394		if (keyid != 6 && keyid != 7)
 395			return -1;
 396		key = rcu_dereference(mvmvif->bcn_prot.keys[keyid - 6]);
 397		if (!key)
 398			goto report;
 399	}
 400
 401	/* Report status to mac80211 */
 402	if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
 403		ieee80211_key_mic_failure(key);
 404	else if (status & IWL_RX_MPDU_STATUS_REPLAY_ERROR)
 405		ieee80211_key_replay(key);
 406report:
 407	wdev = ieee80211_vif_to_wdev(mvmsta->vif);
 408	if (wdev->netdev)
 409		cfg80211_rx_unprot_mlme_mgmt(wdev->netdev, (void *)hdr, len);
 410
 411	return -1;
 412}
 413
 414static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 415			     struct ieee80211_hdr *hdr,
 416			     struct ieee80211_rx_status *stats, u16 phy_info,
 417			     struct iwl_rx_mpdu_desc *desc,
 418			     u32 pkt_flags, int queue, u8 *crypt_len)
 419{
 420	u32 status = le32_to_cpu(desc->status);
 421
 422	/*
 423	 * Drop UNKNOWN frames in aggregation, unless in monitor mode
 424	 * (where we don't have the keys).
 425	 * We limit this to aggregation because in TKIP this is a valid
 426	 * scenario, since we may not have the (correct) TTAK (phase 1
 427	 * key) in the firmware.
 428	 */
 429	if (phy_info & IWL_RX_MPDU_PHY_AMPDU &&
 430	    (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
 431	    IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) {
 432		IWL_DEBUG_DROP(mvm, "Dropping packets, bad enc status\n");
 433		return -1;
 434	}
 435
 436	if (unlikely(ieee80211_is_mgmt(hdr->frame_control) &&
 437		     !ieee80211_has_protected(hdr->frame_control)))
 438		return iwl_mvm_rx_mgmt_prot(sta, hdr, desc, status, stats);
 439
 440	if (!ieee80211_has_protected(hdr->frame_control) ||
 441	    (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
 442	    IWL_RX_MPDU_STATUS_SEC_NONE)
 443		return 0;
 444
 445	/* TODO: handle packets encrypted with unknown alg */
 446
 447	switch (status & IWL_RX_MPDU_STATUS_SEC_MASK) {
 448	case IWL_RX_MPDU_STATUS_SEC_CCM:
 449	case IWL_RX_MPDU_STATUS_SEC_GCM:
 450		BUILD_BUG_ON(IEEE80211_CCMP_PN_LEN != IEEE80211_GCMP_PN_LEN);
 451		/* alg is CCM: check MIC only */
 452		if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) {
 453			IWL_DEBUG_DROP(mvm,
 454				       "Dropping packet, bad MIC (CCM/GCM)\n");
 455			return -1;
 456		}
 457
 458		stats->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MIC_STRIPPED;
 459		*crypt_len = IEEE80211_CCMP_HDR_LEN;
 460		return 0;
 461	case IWL_RX_MPDU_STATUS_SEC_TKIP:
 462		/* Don't drop the frame and decrypt it in SW */
 463		if (!fw_has_api(&mvm->fw->ucode_capa,
 464				IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
 465		    !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK))
 466			return 0;
 467
 468		if (mvm->trans->mac_cfg->gen2 &&
 469		    !(status & RX_MPDU_RES_STATUS_MIC_OK))
 470			stats->flag |= RX_FLAG_MMIC_ERROR;
 471
 472		*crypt_len = IEEE80211_TKIP_IV_LEN;
 473		fallthrough;
 474	case IWL_RX_MPDU_STATUS_SEC_WEP:
 475		if (!(status & IWL_RX_MPDU_STATUS_ICV_OK))
 476			return -1;
 477
 478		stats->flag |= RX_FLAG_DECRYPTED;
 479		if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
 480				IWL_RX_MPDU_STATUS_SEC_WEP)
 481			*crypt_len = IEEE80211_WEP_IV_LEN;
 482
 483		if (pkt_flags & FH_RSCSR_RADA_EN) {
 484			stats->flag |= RX_FLAG_ICV_STRIPPED;
 485			if (mvm->trans->mac_cfg->gen2)
 486				stats->flag |= RX_FLAG_MMIC_STRIPPED;
 487		}
 488
 489		return 0;
 490	case IWL_RX_MPDU_STATUS_SEC_EXT_ENC:
 491		if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
 492			return -1;
 493		stats->flag |= RX_FLAG_DECRYPTED;
 494		return 0;
 495	case RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC:
 496		break;
 497	default:
 498		/*
 499		 * Sometimes we can get frames that were not decrypted
 500		 * because the firmware didn't have the keys yet. This can
 501		 * happen after connection where we can get multicast frames
 502		 * before the GTK is installed.
 503		 * Silently drop those frames.
 504		 * Also drop un-decrypted frames in monitor mode.
 505		 */
 506		if (!is_multicast_ether_addr(hdr->addr1) &&
 507		    !mvm->monitor_on && net_ratelimit())
 508			IWL_WARN(mvm, "Unhandled alg: 0x%x\n", status);
 509	}
 510
 511	return 0;
 512}
 513
 514static void iwl_mvm_rx_csum(struct iwl_mvm *mvm,
 515			    struct ieee80211_sta *sta,
 516			    struct sk_buff *skb,
 517			    struct iwl_rx_packet *pkt)
 518{
 519	struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
 520
 521	if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
 522		if (pkt->len_n_flags & cpu_to_le32(FH_RSCSR_RPA_EN)) {
 523			u16 hwsum = be16_to_cpu(desc->v3.raw_xsum);
 524
 525			skb->ip_summed = CHECKSUM_COMPLETE;
 526			skb->csum = csum_unfold(~(__force __sum16)hwsum);
 527		}
 528	} else {
 529		struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 530		struct iwl_mvm_vif *mvmvif;
 531		u16 flags = le16_to_cpu(desc->l3l4_flags);
 532		u8 l3_prot = (u8)((flags & IWL_RX_L3L4_L3_PROTO_MASK) >>
 533				  IWL_RX_L3_PROTO_POS);
 534
 535		mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
 536
 537		if (mvmvif->features & NETIF_F_RXCSUM &&
 538		    flags & IWL_RX_L3L4_TCP_UDP_CSUM_OK &&
 539		    (flags & IWL_RX_L3L4_IP_HDR_CSUM_OK ||
 540		     l3_prot == IWL_RX_L3_TYPE_IPV6 ||
 541		     l3_prot == IWL_RX_L3_TYPE_IPV6_FRAG))
 542			skb->ip_summed = CHECKSUM_UNNECESSARY;
 543	}
 544}
 545
 546/*
 547 * returns true if a packet is a duplicate or invalid tid and should be dropped.
 548 * Updates AMSDU PN tracking info
 549 */
 550static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue,
 551			   struct ieee80211_rx_status *rx_status,
 552			   struct ieee80211_hdr *hdr,
 553			   struct iwl_rx_mpdu_desc *desc)
 554{
 555	struct iwl_mvm_sta *mvm_sta;
 556	struct iwl_mvm_rxq_dup_data *dup_data;
 557	u8 tid, sub_frame_idx;
 558
 559	if (WARN_ON(IS_ERR_OR_NULL(sta)))
 560		return false;
 561
 562	mvm_sta = iwl_mvm_sta_from_mac80211(sta);
 563
 564	if (WARN_ON_ONCE(!mvm_sta->dup_data))
 565		return false;
 566
 567	dup_data = &mvm_sta->dup_data[queue];
 568
 569	/*
 570	 * Drop duplicate 802.11 retransmissions
 571	 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
 572	 */
 573	if (ieee80211_is_ctl(hdr->frame_control) ||
 574	    ieee80211_is_any_nullfunc(hdr->frame_control) ||
 575	    is_multicast_ether_addr(hdr->addr1))
 576		return false;
 577
 578	if (ieee80211_is_data_qos(hdr->frame_control)) {
 579		/* frame has qos control */
 580		tid = ieee80211_get_tid(hdr);
 581		if (tid >= IWL_MAX_TID_COUNT)
 582			return true;
 583	} else {
 584		tid = IWL_MAX_TID_COUNT;
 585	}
 586
 587	/* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */
 588	sub_frame_idx = desc->amsdu_info &
 589		IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
 590
 591	if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
 592		     dup_data->last_seq[tid] == hdr->seq_ctrl &&
 593		     dup_data->last_sub_frame[tid] >= sub_frame_idx))
 594		return true;
 595
 596	/* Allow same PN as the first subframe for following sub frames */
 597	if (dup_data->last_seq[tid] == hdr->seq_ctrl &&
 598	    sub_frame_idx > dup_data->last_sub_frame[tid] &&
 599	    desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU)
 600		rx_status->flag |= RX_FLAG_ALLOW_SAME_PN;
 601
 602	dup_data->last_seq[tid] = hdr->seq_ctrl;
 603	dup_data->last_sub_frame[tid] = sub_frame_idx;
 604
 605	rx_status->flag |= RX_FLAG_DUP_VALIDATED;
 606
 607	return false;
 608}
 609
 610static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
 611				   struct ieee80211_sta *sta,
 612				   struct napi_struct *napi,
 613				   struct iwl_mvm_baid_data *baid_data,
 614				   struct iwl_mvm_reorder_buffer *reorder_buf,
 615				   u16 nssn)
 616{
 617	struct iwl_mvm_reorder_buf_entry *entries =
 618		&baid_data->entries[reorder_buf->queue *
 619				    baid_data->entries_per_queue];
 620	u16 ssn = reorder_buf->head_sn;
 621
 622	lockdep_assert_held(&reorder_buf->lock);
 623
 624	while (ieee80211_sn_less(ssn, nssn)) {
 625		int index = ssn % baid_data->buf_size;
 626		struct sk_buff_head *skb_list = &entries[index].frames;
 627		struct sk_buff *skb;
 628
 629		ssn = ieee80211_sn_inc(ssn);
 630
 631		/*
 632		 * Empty the list. Will have more than one frame for A-MSDU.
 633		 * Empty list is valid as well since nssn indicates frames were
 634		 * received.
 635		 */
 636		while ((skb = __skb_dequeue(skb_list))) {
 637			iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb,
 638							reorder_buf->queue,
 639							sta);
 640			reorder_buf->num_stored--;
 641		}
 642	}
 643	reorder_buf->head_sn = nssn;
 644}
 645
 646static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue,
 647			   struct iwl_mvm_delba_data *data)
 648{
 649	struct iwl_mvm_baid_data *ba_data;
 650	struct ieee80211_sta *sta;
 651	struct iwl_mvm_reorder_buffer *reorder_buf;
 652	u8 baid = data->baid;
 653	u32 sta_id;
 654
 655	if (WARN_ONCE(baid >= IWL_MAX_BAID, "invalid BAID: %x\n", baid))
 656		return;
 657
 658	rcu_read_lock();
 659
 660	ba_data = rcu_dereference(mvm->baid_map[baid]);
 661	if (WARN_ON_ONCE(!ba_data))
 662		goto out;
 663
 664	/* pick any STA ID to find the pointer */
 665	sta_id = ffs(ba_data->sta_mask) - 1;
 666	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 667	if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
 668		goto out;
 669
 670	reorder_buf = &ba_data->reorder_buf[queue];
 671
 672	/* release all frames that are in the reorder buffer to the stack */
 673	spin_lock_bh(&reorder_buf->lock);
 674	iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf,
 675			       ieee80211_sn_add(reorder_buf->head_sn,
 676						ba_data->buf_size));
 677	spin_unlock_bh(&reorder_buf->lock);
 678
 679out:
 680	rcu_read_unlock();
 681}
 682
 683static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm,
 684					      struct napi_struct *napi,
 685					      u8 baid, u16 nssn, int queue)
 686{
 687	struct ieee80211_sta *sta;
 688	struct iwl_mvm_reorder_buffer *reorder_buf;
 689	struct iwl_mvm_baid_data *ba_data;
 690	u32 sta_id;
 691
 692	IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n",
 693		     baid, nssn);
 694
 695	if (IWL_FW_CHECK(mvm,
 696			 baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
 697			 baid >= ARRAY_SIZE(mvm->baid_map),
 698			 "invalid BAID from FW: %d\n", baid))
 699		return;
 700
 701	rcu_read_lock();
 702
 703	ba_data = rcu_dereference(mvm->baid_map[baid]);
 704	if (!ba_data) {
 705		IWL_DEBUG_RX(mvm,
 706			     "Got valid BAID %d but not allocated, invalid frame release!\n",
 707			     baid);
 708		goto out;
 709	}
 710
 711	/* pick any STA ID to find the pointer */
 712	sta_id = ffs(ba_data->sta_mask) - 1;
 713	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 714	if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
 715		goto out;
 716
 717	reorder_buf = &ba_data->reorder_buf[queue];
 718
 719	spin_lock_bh(&reorder_buf->lock);
 720	iwl_mvm_release_frames(mvm, sta, napi, ba_data,
 721			       reorder_buf, nssn);
 722	spin_unlock_bh(&reorder_buf->lock);
 723
 724out:
 725	rcu_read_unlock();
 726}
 727
 728void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi,
 729			    struct iwl_rx_cmd_buffer *rxb, int queue)
 730{
 731	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 732	struct iwl_rxq_sync_notification *notif;
 733	struct iwl_mvm_internal_rxq_notif *internal_notif;
 734	u32 len = iwl_rx_packet_payload_len(pkt);
 735
 736	notif = (void *)pkt->data;
 737	internal_notif = (void *)notif->payload;
 738
 739	if (WARN_ONCE(len < sizeof(*notif) + sizeof(*internal_notif),
 740		      "invalid notification size %d (%d)",
 741		      len, (int)(sizeof(*notif) + sizeof(*internal_notif))))
 742		return;
 743	len -= sizeof(*notif) + sizeof(*internal_notif);
 744
 745	if (WARN_ONCE(internal_notif->sync &&
 746		      mvm->queue_sync_cookie != internal_notif->cookie,
 747		      "Received expired RX queue sync message (cookie %d but wanted %d, queue %d)\n",
 748		      internal_notif->cookie, mvm->queue_sync_cookie, queue))
 749		return;
 750
 751	switch (internal_notif->type) {
 752	case IWL_MVM_RXQ_EMPTY:
 753		WARN_ONCE(len, "invalid empty notification size %d", len);
 754		break;
 755	case IWL_MVM_RXQ_NOTIF_DEL_BA:
 756		if (WARN_ONCE(len != sizeof(struct iwl_mvm_delba_data),
 757			      "invalid delba notification size %d (%d)",
 758			      len, (int)sizeof(struct iwl_mvm_delba_data)))
 759			break;
 760		iwl_mvm_del_ba(mvm, queue, (void *)internal_notif->data);
 761		break;
 762	default:
 763		WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
 764	}
 765
 766	if (internal_notif->sync) {
 767		WARN_ONCE(!test_and_clear_bit(queue, &mvm->queue_sync_state),
 768			  "queue sync: queue %d responded a second time!\n",
 769			  queue);
 770		if (READ_ONCE(mvm->queue_sync_state) == 0)
 771			wake_up(&mvm->rx_sync_waitq);
 772	}
 773}
 774
 775/*
 776 * Returns true if the MPDU was buffered\dropped, false if it should be passed
 777 * to upper layer.
 778 */
 779static bool iwl_mvm_reorder(struct iwl_mvm *mvm,
 780			    struct napi_struct *napi,
 781			    int queue,
 782			    struct ieee80211_sta *sta,
 783			    struct sk_buff *skb,
 784			    struct iwl_rx_mpdu_desc *desc)
 785{
 786	struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
 787	struct iwl_mvm_baid_data *baid_data;
 788	struct iwl_mvm_reorder_buffer *buffer;
 789	u32 reorder = le32_to_cpu(desc->reorder_data);
 790	bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU;
 791	bool last_subframe =
 792		desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME;
 793	u8 tid = ieee80211_get_tid(hdr);
 794	struct iwl_mvm_reorder_buf_entry *entries;
 795	u32 sta_mask;
 796	int index;
 797	u16 nssn, sn;
 798	u8 baid;
 799
 800	baid = (reorder & IWL_RX_MPDU_REORDER_BAID_MASK) >>
 801		IWL_RX_MPDU_REORDER_BAID_SHIFT;
 802
 803	if (mvm->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000)
 804		return false;
 805
 806	/*
 807	 * This also covers the case of receiving a Block Ack Request
 808	 * outside a BA session; we'll pass it to mac80211 and that
 809	 * then sends a delBA action frame.
 810	 * This also covers pure monitor mode, in which case we won't
 811	 * have any BA sessions.
 812	 */
 813	if (baid == IWL_RX_REORDER_DATA_INVALID_BAID)
 814		return false;
 815
 816	/* no sta yet */
 817	if (WARN_ONCE(IS_ERR_OR_NULL(sta),
 818		      "Got valid BAID without a valid station assigned\n"))
 819		return false;
 820
 821	/* not a data packet or a bar */
 822	if (!ieee80211_is_back_req(hdr->frame_control) &&
 823	    (!ieee80211_is_data_qos(hdr->frame_control) ||
 824	     is_multicast_ether_addr(hdr->addr1)))
 825		return false;
 826
 827	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
 828		return false;
 829
 830	baid_data = rcu_dereference(mvm->baid_map[baid]);
 831	if (!baid_data) {
 832		IWL_DEBUG_RX(mvm,
 833			     "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
 834			      baid, reorder);
 835		return false;
 836	}
 837
 838	sta_mask = iwl_mvm_sta_fw_id_mask(mvm, sta, -1);
 839
 840	if (IWL_FW_CHECK(mvm,
 841			 tid != baid_data->tid ||
 842			 !(sta_mask & baid_data->sta_mask),
 843			 "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but was received for sta_mask:0x%x tid:%d\n",
 844			 baid, baid_data->sta_mask, baid_data->tid,
 845			 sta_mask, tid))
 846		return false;
 847
 848	nssn = reorder & IWL_RX_MPDU_REORDER_NSSN_MASK;
 849	sn = (reorder & IWL_RX_MPDU_REORDER_SN_MASK) >>
 850		IWL_RX_MPDU_REORDER_SN_SHIFT;
 851
 852	buffer = &baid_data->reorder_buf[queue];
 853	entries = &baid_data->entries[queue * baid_data->entries_per_queue];
 854
 855	spin_lock_bh(&buffer->lock);
 856
 857	if (!buffer->valid) {
 858		if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN) {
 859			spin_unlock_bh(&buffer->lock);
 860			return false;
 861		}
 862		buffer->valid = true;
 863	}
 864
 865	/* drop any duplicated packets */
 866	if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE))
 867		goto drop;
 868
 869	/* drop any oudated packets */
 870	if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN)
 871		goto drop;
 872
 873	/* release immediately if allowed by nssn and no stored frames */
 874	if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) {
 875		if (!amsdu || last_subframe)
 876			buffer->head_sn = nssn;
 877
 878		spin_unlock_bh(&buffer->lock);
 879		return false;
 880	}
 881
 882	/*
 883	 * release immediately if there are no stored frames, and the sn is
 884	 * equal to the head.
 885	 * This can happen due to reorder timer, where NSSN is behind head_sn.
 886	 * When we released everything, and we got the next frame in the
 887	 * sequence, according to the NSSN we can't release immediately,
 888	 * while technically there is no hole and we can move forward.
 889	 */
 890	if (!buffer->num_stored && sn == buffer->head_sn) {
 891		if (!amsdu || last_subframe)
 892			buffer->head_sn = ieee80211_sn_inc(buffer->head_sn);
 893
 894		spin_unlock_bh(&buffer->lock);
 895		return false;
 896	}
 897
 898	/* put in reorder buffer */
 899	index = sn % baid_data->buf_size;
 900	__skb_queue_tail(&entries[index].frames, skb);
 901	buffer->num_stored++;
 902
 903	/*
 904	 * We cannot trust NSSN for AMSDU sub-frames that are not the last.
 905	 * The reason is that NSSN advances on the first sub-frame, and may
 906	 * cause the reorder buffer to advance before all the sub-frames arrive.
 907	 * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with
 908	 * SN 1. NSSN for first sub frame will be 3 with the result of driver
 909	 * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is
 910	 * already ahead and it will be dropped.
 911	 * If the last sub-frame is not on this queue - we will get frame
 912	 * release notification with up to date NSSN.
 913	 * If this is the first frame that is stored in the buffer, the head_sn
 914	 * may be outdated. Update it based on the last NSSN to make sure it
 915	 * will be released when the frame release notification arrives.
 916	 */
 917	if (!amsdu || last_subframe)
 918		iwl_mvm_release_frames(mvm, sta, napi, baid_data,
 919				       buffer, nssn);
 920	else if (buffer->num_stored == 1)
 921		buffer->head_sn = nssn;
 922
 923	spin_unlock_bh(&buffer->lock);
 924	return true;
 925
 926drop:
 927	kfree_skb(skb);
 928	spin_unlock_bh(&buffer->lock);
 929	return true;
 930}
 931
 932static void iwl_mvm_agg_rx_received(struct iwl_mvm *mvm,
 933				    u32 reorder_data, u8 baid)
 934{
 935	unsigned long now = jiffies;
 936	unsigned long timeout;
 937	struct iwl_mvm_baid_data *data;
 938
 939	rcu_read_lock();
 940
 941	data = rcu_dereference(mvm->baid_map[baid]);
 942	if (!data) {
 943		IWL_DEBUG_RX(mvm,
 944			     "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
 945			      baid, reorder_data);
 946		goto out;
 947	}
 948
 949	if (!data->timeout)
 950		goto out;
 951
 952	timeout = data->timeout;
 953	/*
 954	 * Do not update last rx all the time to avoid cache bouncing
 955	 * between the rx queues.
 956	 * Update it every timeout. Worst case is the session will
 957	 * expire after ~ 2 * timeout, which doesn't matter that much.
 958	 */
 959	if (time_before(data->last_rx + TU_TO_JIFFIES(timeout), now))
 960		/* Update is atomic */
 961		data->last_rx = now;
 962
 963out:
 964	rcu_read_unlock();
 965}
 966
 967static void iwl_mvm_flip_address(u8 *addr)
 968{
 969	int i;
 970	u8 mac_addr[ETH_ALEN];
 971
 972	for (i = 0; i < ETH_ALEN; i++)
 973		mac_addr[i] = addr[ETH_ALEN - i - 1];
 974	ether_addr_copy(addr, mac_addr);
 975}
 976
 977struct iwl_mvm_rx_phy_data {
 978	enum iwl_rx_phy_info_type info_type;
 979	__le32 d0, d1, d2, d3, eht_d4, d5;
 980	__le16 d4;
 981	bool with_data;
 982	bool first_subframe;
 983	__le32 rx_vec[4];
 984
 985	u32 rate_n_flags;
 986	u32 gp2_on_air_rise;
 987	u16 phy_info;
 988	u8 energy_a, energy_b;
 989	u8 channel;
 990};
 991
 992static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm *mvm,
 993				     struct iwl_mvm_rx_phy_data *phy_data,
 994				     struct ieee80211_radiotap_he_mu *he_mu)
 995{
 996	u32 phy_data2 = le32_to_cpu(phy_data->d2);
 997	u32 phy_data3 = le32_to_cpu(phy_data->d3);
 998	u16 phy_data4 = le16_to_cpu(phy_data->d4);
 999	u32 rate_n_flags = phy_data->rate_n_flags;
1000
1001	if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK, phy_data4)) {
1002		he_mu->flags1 |=
1003			cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN |
1004				    IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN);
1005
1006		he_mu->flags1 |=
1007			le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU,
1008						   phy_data4),
1009					 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU);
1010
1011		he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0,
1012					     phy_data2);
1013		he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1,
1014					     phy_data3);
1015		he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2,
1016					     phy_data2);
1017		he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3,
1018					     phy_data3);
1019	}
1020
1021	if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK, phy_data4) &&
1022	    (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) != RATE_MCS_CHAN_WIDTH_20) {
1023		he_mu->flags1 |=
1024			cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN |
1025				    IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN);
1026
1027		he_mu->flags2 |=
1028			le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU,
1029						   phy_data4),
1030					 IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU);
1031
1032		he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0,
1033					     phy_data2);
1034		he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1,
1035					     phy_data3);
1036		he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2,
1037					     phy_data2);
1038		he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3,
1039					     phy_data3);
1040	}
1041}
1042
1043static void
1044iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
1045			       struct ieee80211_radiotap_he *he,
1046			       struct ieee80211_radiotap_he_mu *he_mu,
1047			       struct ieee80211_rx_status *rx_status)
1048{
1049	/*
1050	 * Unfortunately, we have to leave the mac80211 data
1051	 * incorrect for the case that we receive an HE-MU
1052	 * transmission and *don't* have the HE phy data (due
1053	 * to the bits being used for TSF). This shouldn't
1054	 * happen though as management frames where we need
1055	 * the TSF/timers are not be transmitted in HE-MU.
1056	 */
1057	u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK);
1058	u32 rate_n_flags = phy_data->rate_n_flags;
1059	u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1060	u8 offs = 0;
1061
1062	rx_status->bw = RATE_INFO_BW_HE_RU;
1063
1064	he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1065
1066	switch (ru) {
1067	case 0 ... 36:
1068		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
1069		offs = ru;
1070		break;
1071	case 37 ... 52:
1072		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
1073		offs = ru - 37;
1074		break;
1075	case 53 ... 60:
1076		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1077		offs = ru - 53;
1078		break;
1079	case 61 ... 64:
1080		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
1081		offs = ru - 61;
1082		break;
1083	case 65 ... 66:
1084		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
1085		offs = ru - 65;
1086		break;
1087	case 67:
1088		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
1089		break;
1090	case 68:
1091		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
1092		break;
1093	}
1094	he->data2 |= le16_encode_bits(offs,
1095				      IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
1096	he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
1097				 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
1098	if (phy_data->d1 & cpu_to_le32(IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80))
1099		he->data2 |=
1100			cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
1101
1102#define CHECK_BW(bw) \
1103	BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
1104		     RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS); \
1105	BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_ ## bw ## MHZ != \
1106		     RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
1107	CHECK_BW(20);
1108	CHECK_BW(40);
1109	CHECK_BW(80);
1110	CHECK_BW(160);
1111
1112	if (he_mu)
1113		he_mu->flags2 |=
1114			le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK,
1115						   rate_n_flags),
1116					 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
1117	else if (he_type == RATE_MCS_HE_TYPE_TRIG)
1118		he->data6 |=
1119			cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN) |
1120			le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK,
1121						   rate_n_flags),
1122					 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW);
1123}
1124
1125static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
1126				       struct iwl_mvm_rx_phy_data *phy_data,
1127				       struct ieee80211_radiotap_he *he,
1128				       struct ieee80211_radiotap_he_mu *he_mu,
1129				       struct ieee80211_rx_status *rx_status,
1130				       int queue)
1131{
1132	switch (phy_data->info_type) {
1133	case IWL_RX_PHY_INFO_TYPE_NONE:
1134	case IWL_RX_PHY_INFO_TYPE_CCK:
1135	case IWL_RX_PHY_INFO_TYPE_OFDM_LGCY:
1136	case IWL_RX_PHY_INFO_TYPE_HT:
1137	case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1138	case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1139	case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1140	case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1141	case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1142	case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
1143		return;
1144	case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1145		he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
1146					 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN |
1147					 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN |
1148					 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN);
1149		he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1150							    IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1),
1151					      IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1);
1152		he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1153							    IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2),
1154					      IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2);
1155		he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1156							    IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3),
1157					      IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3);
1158		he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1159							    IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4),
1160					      IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4);
1161		fallthrough;
1162	case IWL_RX_PHY_INFO_TYPE_HE_SU:
1163	case IWL_RX_PHY_INFO_TYPE_HE_MU:
1164	case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1165	case IWL_RX_PHY_INFO_TYPE_HE_TB:
1166		/* HE common */
1167		he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN |
1168					 IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN |
1169					 IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN);
1170		he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN |
1171					 IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN |
1172					 IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN |
1173					 IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
1174		he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1175							    IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK),
1176					      IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR);
1177		if (phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB &&
1178		    phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB_EXT) {
1179			he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN);
1180			he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1181							    IWL_RX_PHY_DATA0_HE_UPLINK),
1182						      IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
1183		}
1184		he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1185							    IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM),
1186					      IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG);
1187		he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1188							    IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK),
1189					      IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD);
1190		he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1191							    IWL_RX_PHY_DATA0_HE_PE_DISAMBIG),
1192					      IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG);
1193		he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d1,
1194							    IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK),
1195					      IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
1196		he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1197							    IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK),
1198					      IEEE80211_RADIOTAP_HE_DATA6_TXOP);
1199		he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1200							    IWL_RX_PHY_DATA0_HE_DOPPLER),
1201					      IEEE80211_RADIOTAP_HE_DATA6_DOPPLER);
1202		break;
1203	}
1204
1205	switch (phy_data->info_type) {
1206	case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1207	case IWL_RX_PHY_INFO_TYPE_HE_MU:
1208	case IWL_RX_PHY_INFO_TYPE_HE_SU:
1209		he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN);
1210		he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1211							    IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK),
1212					      IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE);
1213		break;
1214	default:
1215		/* nothing here */
1216		break;
1217	}
1218
1219	switch (phy_data->info_type) {
1220	case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1221		he_mu->flags1 |=
1222			le16_encode_bits(le16_get_bits(phy_data->d4,
1223						       IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM),
1224					 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
1225		he_mu->flags1 |=
1226			le16_encode_bits(le16_get_bits(phy_data->d4,
1227						       IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK),
1228					 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
1229		he_mu->flags2 |=
1230			le16_encode_bits(le16_get_bits(phy_data->d4,
1231						       IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK),
1232					 IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
1233		iwl_mvm_decode_he_mu_ext(mvm, phy_data, he_mu);
1234		fallthrough;
1235	case IWL_RX_PHY_INFO_TYPE_HE_MU:
1236		he_mu->flags2 |=
1237			le16_encode_bits(le32_get_bits(phy_data->d1,
1238						       IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK),
1239					 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
1240		he_mu->flags2 |=
1241			le16_encode_bits(le32_get_bits(phy_data->d1,
1242						       IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION),
1243					 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
1244		fallthrough;
1245	case IWL_RX_PHY_INFO_TYPE_HE_TB:
1246	case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1247		iwl_mvm_decode_he_phy_ru_alloc(phy_data, he, he_mu, rx_status);
1248		break;
1249	case IWL_RX_PHY_INFO_TYPE_HE_SU:
1250		he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN);
1251		he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1252							    IWL_RX_PHY_DATA0_HE_BEAM_CHNG),
1253					      IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE);
1254		break;
1255	default:
1256		/* nothing */
1257		break;
1258	}
1259}
1260
1261#define LE32_DEC_ENC(value, dec_bits, enc_bits) \
1262	le32_encode_bits(le32_get_bits(value, dec_bits), enc_bits)
1263
1264#define IWL_MVM_ENC_USIG_VALUE_MASK(usig, in_value, dec_bits, enc_bits) do { \
1265	typeof(enc_bits) _enc_bits = enc_bits; \
1266	typeof(usig) _usig = usig; \
1267	(_usig)->mask |= cpu_to_le32(_enc_bits); \
1268	(_usig)->value |= LE32_DEC_ENC(in_value, dec_bits, _enc_bits); \
1269} while (0)
1270
1271#define __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) \
1272	eht->data[(rt_data)] |= \
1273		(cpu_to_le32 \
1274		 (IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru ## _KNOWN) | \
1275		 LE32_DEC_ENC(data ## fw_data, \
1276			      IWL_RX_PHY_DATA ## fw_data ## _EHT_MU_EXT_RU_ALLOC_ ## fw_ru, \
1277			      IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru))
1278
1279#define _IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru)	\
1280	__IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru)
1281
1282#define IEEE80211_RADIOTAP_RU_DATA_1_1_1	1
1283#define IEEE80211_RADIOTAP_RU_DATA_2_1_1	2
1284#define IEEE80211_RADIOTAP_RU_DATA_1_1_2	2
1285#define IEEE80211_RADIOTAP_RU_DATA_2_1_2	2
1286#define IEEE80211_RADIOTAP_RU_DATA_1_2_1	3
1287#define IEEE80211_RADIOTAP_RU_DATA_2_2_1	3
1288#define IEEE80211_RADIOTAP_RU_DATA_1_2_2	3
1289#define IEEE80211_RADIOTAP_RU_DATA_2_2_2	4
1290
1291#define IWL_RX_RU_DATA_A1			2
1292#define IWL_RX_RU_DATA_A2			2
1293#define IWL_RX_RU_DATA_B1			2
1294#define IWL_RX_RU_DATA_B2			4
1295#define IWL_RX_RU_DATA_C1			3
1296#define IWL_RX_RU_DATA_C2			3
1297#define IWL_RX_RU_DATA_D1			4
1298#define IWL_RX_RU_DATA_D2			4
1299
1300#define IWL_MVM_ENC_EHT_RU(rt_ru, fw_ru)				\
1301	_IWL_MVM_ENC_EHT_RU(IEEE80211_RADIOTAP_RU_DATA_ ## rt_ru,	\
1302			    rt_ru,					\
1303			    IWL_RX_RU_DATA_ ## fw_ru,			\
1304			    fw_ru)
1305
1306static void iwl_mvm_decode_eht_ext_mu(struct iwl_mvm *mvm,
1307				      struct iwl_mvm_rx_phy_data *phy_data,
1308				      struct ieee80211_rx_status *rx_status,
1309				      struct ieee80211_radiotap_eht *eht,
1310				      struct ieee80211_radiotap_eht_usig *usig)
1311{
1312	if (phy_data->with_data) {
1313		__le32 data1 = phy_data->d1;
1314		__le32 data2 = phy_data->d2;
1315		__le32 data3 = phy_data->d3;
1316		__le32 data4 = phy_data->eht_d4;
1317		__le32 data5 = phy_data->d5;
1318		u32 phy_bw = phy_data->rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK;
1319
1320		IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1321					    IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1322					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1323		IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1324					    IWL_RX_PHY_DATA5_EHT_MU_PUNC_CH_CODE,
1325					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1326		IWL_MVM_ENC_USIG_VALUE_MASK(usig, data4,
1327					    IWL_RX_PHY_DATA4_EHT_MU_EXT_SIGB_MCS,
1328					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1329		IWL_MVM_ENC_USIG_VALUE_MASK
1330			(usig, data1, IWL_RX_PHY_DATA1_EHT_MU_NUM_SIG_SYM_USIGA2,
1331			 IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1332
1333		eht->user_info[0] |=
1334			cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN) |
1335			LE32_DEC_ENC(data5, IWL_RX_PHY_DATA5_EHT_MU_STA_ID_USR,
1336				     IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID);
1337
1338		eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M);
1339		eht->data[7] |= LE32_DEC_ENC
1340			(data5, IWL_RX_PHY_DATA5_EHT_MU_NUM_USR_NON_OFDMA,
1341			 IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS);
1342
1343		/*
1344		 * Hardware labels the content channels/RU allocation values
1345		 * as follows:
1346		 *           Content Channel 1		Content Channel 2
1347		 *   20 MHz: A1
1348		 *   40 MHz: A1				B1
1349		 *   80 MHz: A1 C1			B1 D1
1350		 *  160 MHz: A1 C1 A2 C2		B1 D1 B2 D2
1351		 *  320 MHz: A1 C1 A2 C2 A3 C3 A4 C4	B1 D1 B2 D2 B3 D3 B4 D4
1352		 *
1353		 * However firmware can only give us A1-D2, so the higher
1354		 * frequencies are missing.
1355		 */
1356
1357		switch (phy_bw) {
1358		case RATE_MCS_CHAN_WIDTH_320:
1359			/* additional values are missing in RX metadata */
1360		case RATE_MCS_CHAN_WIDTH_160:
1361			/* content channel 1 */
1362			IWL_MVM_ENC_EHT_RU(1_2_1, A2);
1363			IWL_MVM_ENC_EHT_RU(1_2_2, C2);
1364			/* content channel 2 */
1365			IWL_MVM_ENC_EHT_RU(2_2_1, B2);
1366			IWL_MVM_ENC_EHT_RU(2_2_2, D2);
1367			fallthrough;
1368		case RATE_MCS_CHAN_WIDTH_80:
1369			/* content channel 1 */
1370			IWL_MVM_ENC_EHT_RU(1_1_2, C1);
1371			/* content channel 2 */
1372			IWL_MVM_ENC_EHT_RU(2_1_2, D1);
1373			fallthrough;
1374		case RATE_MCS_CHAN_WIDTH_40:
1375			/* content channel 2 */
1376			IWL_MVM_ENC_EHT_RU(2_1_1, B1);
1377			fallthrough;
1378		case RATE_MCS_CHAN_WIDTH_20:
1379			IWL_MVM_ENC_EHT_RU(1_1_1, A1);
1380			break;
1381		}
1382	} else {
1383		__le32 usig_a1 = phy_data->rx_vec[0];
1384		__le32 usig_a2 = phy_data->rx_vec[1];
1385
1386		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1387					    IWL_RX_USIG_A1_DISREGARD,
1388					    IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD);
1389		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1390					    IWL_RX_USIG_A1_VALIDATE,
1391					    IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE);
1392		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1393					    IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1394					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1395		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1396					    IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1397					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE);
1398		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1399					    IWL_RX_USIG_A2_EHT_PUNC_CHANNEL,
1400					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1401		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1402					    IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B8,
1403					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE);
1404		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1405					    IWL_RX_USIG_A2_EHT_SIG_MCS,
1406					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1407		IWL_MVM_ENC_USIG_VALUE_MASK
1408			(usig, usig_a2, IWL_RX_USIG_A2_EHT_SIG_SYM_NUM,
1409			 IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1410		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1411					    IWL_RX_USIG_A2_EHT_CRC_OK,
1412					    IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC);
1413	}
1414}
1415
1416static void iwl_mvm_decode_eht_ext_tb(struct iwl_mvm *mvm,
1417				      struct iwl_mvm_rx_phy_data *phy_data,
1418				      struct ieee80211_rx_status *rx_status,
1419				      struct ieee80211_radiotap_eht *eht,
1420				      struct ieee80211_radiotap_eht_usig *usig)
1421{
1422	if (phy_data->with_data) {
1423		__le32 data5 = phy_data->d5;
1424
1425		IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1426					    IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1427					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1428		IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1429					    IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE1,
1430					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1431
1432		IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1433					    IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE2,
1434					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1435	} else {
1436		__le32 usig_a1 = phy_data->rx_vec[0];
1437		__le32 usig_a2 = phy_data->rx_vec[1];
1438
1439		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1440					    IWL_RX_USIG_A1_DISREGARD,
1441					    IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD);
1442		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1443					    IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1444					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1445		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1446					    IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1447					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE);
1448		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1449					    IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_1,
1450					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1451		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1452					    IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_2,
1453					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1454		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1455					    IWL_RX_USIG_A2_EHT_TRIG_USIG2_DISREGARD,
1456					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD);
1457		IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1458					    IWL_RX_USIG_A2_EHT_CRC_OK,
1459					    IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC);
1460	}
1461}
1462
1463static void iwl_mvm_decode_eht_ru(struct iwl_mvm *mvm,
1464				  struct ieee80211_rx_status *rx_status,
1465				  struct ieee80211_radiotap_eht *eht)
1466{
1467	u32 ru = le32_get_bits(eht->data[8],
1468			       IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1469	enum nl80211_eht_ru_alloc nl_ru;
1470
1471	/* Using D1.5 Table 9-53a - Encoding of PS160 and RU Allocation subfields
1472	 * in an EHT variant User Info field
1473	 */
1474
1475	switch (ru) {
1476	case 0 ... 36:
1477		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_26;
1478		break;
1479	case 37 ... 52:
1480		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52;
1481		break;
1482	case 53 ... 60:
1483		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106;
1484		break;
1485	case 61 ... 64:
1486		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_242;
1487		break;
1488	case 65 ... 66:
1489		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484;
1490		break;
1491	case 67:
1492		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996;
1493		break;
1494	case 68:
1495		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996;
1496		break;
1497	case 69:
1498		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_4x996;
1499		break;
1500	case 70 ... 81:
1501		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52P26;
1502		break;
1503	case 82 ... 89:
1504		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106P26;
1505		break;
1506	case 90 ... 93:
1507		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484P242;
1508		break;
1509	case 94 ... 95:
1510		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484;
1511		break;
1512	case 96 ... 99:
1513		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484P242;
1514		break;
1515	case 100 ... 103:
1516		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996P484;
1517		break;
1518	case 104:
1519		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996;
1520		break;
1521	case 105 ... 106:
1522		nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996P484;
1523		break;
1524	default:
1525		return;
1526	}
1527
1528	rx_status->bw = RATE_INFO_BW_EHT_RU;
1529	rx_status->eht.ru = nl_ru;
1530}
1531
1532static void iwl_mvm_decode_eht_phy_data(struct iwl_mvm *mvm,
1533					struct iwl_mvm_rx_phy_data *phy_data,
1534					struct ieee80211_rx_status *rx_status,
1535					struct ieee80211_radiotap_eht *eht,
1536					struct ieee80211_radiotap_eht_usig *usig)
1537
1538{
1539	__le32 data0 = phy_data->d0;
1540	__le32 data1 = phy_data->d1;
1541	__le32 usig_a1 = phy_data->rx_vec[0];
1542	u8 info_type = phy_data->info_type;
1543
1544	/* Not in EHT range */
1545	if (info_type < IWL_RX_PHY_INFO_TYPE_EHT_MU ||
1546	    info_type > IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT)
1547		return;
1548
1549	usig->common |= cpu_to_le32
1550		(IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN |
1551		 IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN);
1552	if (phy_data->with_data) {
1553		usig->common |= LE32_DEC_ENC(data0,
1554					     IWL_RX_PHY_DATA0_EHT_UPLINK,
1555					     IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1556		usig->common |= LE32_DEC_ENC(data0,
1557					     IWL_RX_PHY_DATA0_EHT_BSS_COLOR_MASK,
1558					     IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1559	} else {
1560		usig->common |= LE32_DEC_ENC(usig_a1,
1561					     IWL_RX_USIG_A1_UL_FLAG,
1562					     IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1563		usig->common |= LE32_DEC_ENC(usig_a1,
1564					     IWL_RX_USIG_A1_BSS_COLOR,
1565					     IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1566	}
1567
1568	if (fw_has_capa(&mvm->fw->ucode_capa,
1569			IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT)) {
1570		usig->common |=
1571			cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED);
1572		usig->common |=
1573			LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_VALIDATE,
1574				     IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK);
1575	}
1576
1577	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE);
1578	eht->data[0] |= LE32_DEC_ENC(data0,
1579				     IWL_RX_PHY_DATA0_ETH_SPATIAL_REUSE_MASK,
1580				     IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE);
1581
1582	/* All RU allocating size/index is in TB format */
1583	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT);
1584	eht->data[8] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PS160,
1585				     IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160);
1586	eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B0,
1587				     IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0);
1588	eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B1_B7,
1589				     IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1590
1591	iwl_mvm_decode_eht_ru(mvm, rx_status, eht);
1592
1593	/* We only get here in case of IWL_RX_MPDU_PHY_TSF_OVERLOAD is set
1594	 * which is on only in case of monitor mode so no need to check monitor
1595	 * mode
1596	 */
1597	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80);
1598	eht->data[1] |=
1599		le32_encode_bits(mvm->monitor_p80,
1600				 IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80);
1601
1602	usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN);
1603	if (phy_data->with_data)
1604		usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_TXOP_DUR_MASK,
1605					     IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1606	else
1607		usig->common |= LE32_DEC_ENC(usig_a1, IWL_RX_USIG_A1_TXOP_DURATION,
1608					     IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1609
1610	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM);
1611	eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_LDPC_EXT_SYM,
1612				     IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM);
1613
1614	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM);
1615	eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PRE_FEC_PAD_MASK,
1616				    IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM);
1617
1618	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM);
1619	eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PE_DISAMBIG,
1620				     IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM);
1621
1622	/* TODO: what about IWL_RX_PHY_DATA0_EHT_BW320_SLOT */
1623
1624	if (!le32_get_bits(data0, IWL_RX_PHY_DATA0_EHT_SIGA_CRC_OK))
1625		usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC);
1626
1627	usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN);
1628	usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PHY_VER,
1629				     IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER);
1630
1631	/*
1632	 * TODO: what about TB - IWL_RX_PHY_DATA1_EHT_TB_PILOT_TYPE,
1633	 *			 IWL_RX_PHY_DATA1_EHT_TB_LOW_SS
1634	 */
1635
1636	eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF);
1637	eht->data[0] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_SIG_LTF_NUM,
1638				     IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF);
1639
1640	if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT ||
1641	    info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB)
1642		iwl_mvm_decode_eht_ext_tb(mvm, phy_data, rx_status, eht, usig);
1643
1644	if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT ||
1645	    info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU)
1646		iwl_mvm_decode_eht_ext_mu(mvm, phy_data, rx_status, eht, usig);
1647}
1648
1649static void iwl_mvm_rx_eht(struct iwl_mvm *mvm, struct sk_buff *skb,
1650			   struct iwl_mvm_rx_phy_data *phy_data,
1651			   int queue)
1652{
1653	struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1654
1655	struct ieee80211_radiotap_eht *eht;
1656	struct ieee80211_radiotap_eht_usig *usig;
1657	size_t eht_len = sizeof(*eht);
1658
1659	u32 rate_n_flags = phy_data->rate_n_flags;
1660	u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1661	/* EHT and HE have the same valus for LTF */
1662	u8 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1663	u16 phy_info = phy_data->phy_info;
1664	u32 bw;
1665
1666	/* u32 for 1 user_info */
1667	if (phy_data->with_data)
1668		eht_len += sizeof(u32);
1669
1670	eht = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT, eht_len);
1671
1672	usig = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT_USIG,
1673					sizeof(*usig));
1674	rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
1675	usig->common |=
1676		cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN);
1677
1678	/* specific handling for 320MHz */
1679	bw = FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags);
1680	if (bw == RATE_MCS_CHAN_WIDTH_320_VAL)
1681		bw += FIELD_GET(IWL_RX_PHY_DATA0_EHT_BW320_SLOT,
1682				le32_to_cpu(phy_data->d0));
1683
1684	usig->common |= cpu_to_le32
1685		(FIELD_PREP(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW, bw));
1686
1687	/* report the AMPDU-EOF bit on single frames */
1688	if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1689		rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1690		rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1691		if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1692			rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1693	}
1694
1695	/* update aggregation data for monitor sake on default queue */
1696	if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
1697	    (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1698		rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1699		if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1700			rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1701	}
1702
1703	if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1704		iwl_mvm_decode_eht_phy_data(mvm, phy_data, rx_status, eht, usig);
1705
1706#define CHECK_TYPE(F)							\
1707	BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F !=	\
1708		     (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1709
1710	CHECK_TYPE(SU);
1711	CHECK_TYPE(EXT_SU);
1712	CHECK_TYPE(MU);
1713	CHECK_TYPE(TRIG);
1714
1715	switch (FIELD_GET(RATE_MCS_HE_GI_LTF_MSK, rate_n_flags)) {
1716	case 0:
1717		if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1718			rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1719			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1720		} else {
1721			rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1722			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1723		}
1724		break;
1725	case 1:
1726		rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1727		ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1728		break;
1729	case 2:
1730		ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1731		if (he_type == RATE_MCS_HE_TYPE_TRIG)
1732			rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1733		else
1734			rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1735		break;
1736	case 3:
1737		if (he_type != RATE_MCS_HE_TYPE_TRIG) {
1738			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1739			rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1740		}
1741		break;
1742	default:
1743		/* nothing here */
1744		break;
1745	}
1746
1747	if (ltf != IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN) {
1748		eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_GI);
1749		eht->data[0] |= cpu_to_le32
1750			(FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_LTF,
1751				    ltf) |
1752			 FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_GI,
1753				    rx_status->eht.gi));
1754	}
1755
1756
1757	if (!phy_data->with_data) {
1758		eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S |
1759					  IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S);
1760		eht->data[7] |=
1761			le32_encode_bits(le32_get_bits(phy_data->rx_vec[2],
1762						       RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK),
1763					 IEEE80211_RADIOTAP_EHT_DATA7_NSS_S);
1764		if (rate_n_flags & RATE_MCS_BF_MSK)
1765			eht->data[7] |=
1766				cpu_to_le32(IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S);
1767	} else {
1768		eht->user_info[0] |=
1769			cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN |
1770				    IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN |
1771				    IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O |
1772				    IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O |
1773				    IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER);
1774
1775		if (rate_n_flags & RATE_MCS_BF_MSK)
1776			eht->user_info[0] |=
1777				cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O);
1778
1779		if (rate_n_flags & RATE_MCS_LDPC_MSK)
1780			eht->user_info[0] |=
1781				cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_CODING);
1782
1783		eht->user_info[0] |= cpu_to_le32
1784			(FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS,
1785				    FIELD_GET(RATE_VHT_MCS_RATE_CODE_MSK,
1786					      rate_n_flags)) |
1787			 FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O,
1788				    FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags)));
1789	}
1790}
1791
1792static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
1793			  struct iwl_mvm_rx_phy_data *phy_data,
1794			  int queue)
1795{
1796	struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1797	struct ieee80211_radiotap_he *he = NULL;
1798	struct ieee80211_radiotap_he_mu *he_mu = NULL;
1799	u32 rate_n_flags = phy_data->rate_n_flags;
1800	u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1801	u8 ltf;
1802	static const struct ieee80211_radiotap_he known = {
1803		.data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
1804				     IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
1805				     IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN |
1806				     IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN),
1807		.data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN |
1808				     IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN),
1809	};
1810	static const struct ieee80211_radiotap_he_mu mu_known = {
1811		.flags1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN |
1812				      IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN |
1813				      IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN |
1814				      IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN),
1815		.flags2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN |
1816				      IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
1817	};
1818	u16 phy_info = phy_data->phy_info;
1819
1820	he = skb_put_data(skb, &known, sizeof(known));
1821	rx_status->flag |= RX_FLAG_RADIOTAP_HE;
1822
1823	if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU ||
1824	    phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU_EXT) {
1825		he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known));
1826		rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU;
1827	}
1828
1829	/* report the AMPDU-EOF bit on single frames */
1830	if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1831		rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1832		rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1833		if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF))
1834			rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1835	}
1836
1837	if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1838		iwl_mvm_decode_he_phy_data(mvm, phy_data, he, he_mu, rx_status,
1839					   queue);
1840
1841	/* update aggregation data for monitor sake on default queue */
1842	if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
1843	    (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1844		rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1845		if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1846			rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1847	}
1848
1849	if (he_type == RATE_MCS_HE_TYPE_EXT_SU &&
1850	    rate_n_flags & RATE_MCS_HE_106T_MSK) {
1851		rx_status->bw = RATE_INFO_BW_HE_RU;
1852		rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1853	}
1854
1855	/* actually data is filled in mac80211 */
1856	if (he_type == RATE_MCS_HE_TYPE_SU ||
1857	    he_type == RATE_MCS_HE_TYPE_EXT_SU)
1858		he->data1 |=
1859			cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1860
1861#define CHECK_TYPE(F)							\
1862	BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F !=	\
1863		     (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1864
1865	CHECK_TYPE(SU);
1866	CHECK_TYPE(EXT_SU);
1867	CHECK_TYPE(MU);
1868	CHECK_TYPE(TRIG);
1869
1870	he->data1 |= cpu_to_le16(he_type >> RATE_MCS_HE_TYPE_POS);
1871
1872	if (rate_n_flags & RATE_MCS_BF_MSK)
1873		he->data5 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA5_TXBF);
1874
1875	switch ((rate_n_flags & RATE_MCS_HE_GI_LTF_MSK) >>
1876		RATE_MCS_HE_GI_LTF_POS) {
1877	case 0:
1878		if (he_type == RATE_MCS_HE_TYPE_TRIG)
1879			rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1880		else
1881			rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1882		if (he_type == RATE_MCS_HE_TYPE_MU)
1883			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1884		else
1885			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1886		break;
1887	case 1:
1888		if (he_type == RATE_MCS_HE_TYPE_TRIG)
1889			rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1890		else
1891			rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1892		ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1893		break;
1894	case 2:
1895		if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1896			rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
1897			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1898		} else {
1899			rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1900			ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1901		}
1902		break;
1903	case 3:
1904		rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
1905		ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1906		break;
1907	case 4:
1908		rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1909		ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1910		break;
1911	default:
1912		ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1913	}
1914
1915	he->data5 |= le16_encode_bits(ltf,
1916				      IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
1917}
1918
1919static void iwl_mvm_decode_lsig(struct sk_buff *skb,
1920				struct iwl_mvm_rx_phy_data *phy_data)
1921{
1922	struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1923	struct ieee80211_radiotap_lsig *lsig;
1924
1925	switch (phy_data->info_type) {
1926	case IWL_RX_PHY_INFO_TYPE_HT:
1927	case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1928	case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1929	case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1930	case IWL_RX_PHY_INFO_TYPE_HE_SU:
1931	case IWL_RX_PHY_INFO_TYPE_HE_MU:
1932	case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1933	case IWL_RX_PHY_INFO_TYPE_HE_TB:
1934	case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1935	case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1936	case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1937	case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
1938		lsig = skb_put(skb, sizeof(*lsig));
1939		lsig->data1 = cpu_to_le16(IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN);
1940		lsig->data2 = le16_encode_bits(le32_get_bits(phy_data->d1,
1941							     IWL_RX_PHY_DATA1_LSIG_LEN_MASK),
1942					       IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH);
1943		rx_status->flag |= RX_FLAG_RADIOTAP_LSIG;
1944		break;
1945	default:
1946		break;
1947	}
1948}
1949
1950struct iwl_rx_sta_csa {
1951	bool all_sta_unblocked;
1952	struct ieee80211_vif *vif;
1953};
1954
1955static void iwl_mvm_rx_get_sta_block_tx(void *data, struct ieee80211_sta *sta)
1956{
1957	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1958	struct iwl_rx_sta_csa *rx_sta_csa = data;
1959
1960	if (mvmsta->vif != rx_sta_csa->vif)
1961		return;
1962
1963	if (mvmsta->disable_tx)
1964		rx_sta_csa->all_sta_unblocked = false;
1965}
1966
1967/*
1968 * Note: requires also rx_status->band to be prefilled, as well
1969 * as phy_data (apart from phy_data->info_type)
1970 * Note: desc/hdr may be NULL
1971 */
1972static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
1973				   struct iwl_rx_mpdu_desc *desc,
1974				   struct ieee80211_hdr *hdr,
1975				   struct sk_buff *skb,
1976				   struct iwl_mvm_rx_phy_data *phy_data,
1977				   int queue)
1978{
1979	struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1980	u32 rate_n_flags = phy_data->rate_n_flags;
1981	u8 stbc = u32_get_bits(rate_n_flags, RATE_MCS_STBC_MSK);
1982	u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
1983	bool is_sgi;
1984
1985	phy_data->info_type = IWL_RX_PHY_INFO_TYPE_NONE;
1986
1987	if (phy_data->phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1988		phy_data->info_type =
1989			le32_get_bits(phy_data->d1,
1990				      IWL_RX_PHY_DATA1_INFO_TYPE_MASK);
1991
1992	/* This may be overridden by iwl_mvm_rx_he() to HE_RU */
1993	switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
1994	case RATE_MCS_CHAN_WIDTH_20:
1995		break;
1996	case RATE_MCS_CHAN_WIDTH_40:
1997		rx_status->bw = RATE_INFO_BW_40;
1998		break;
1999	case RATE_MCS_CHAN_WIDTH_80:
2000		rx_status->bw = RATE_INFO_BW_80;
2001		break;
2002	case RATE_MCS_CHAN_WIDTH_160:
2003		rx_status->bw = RATE_INFO_BW_160;
2004		break;
2005	case RATE_MCS_CHAN_WIDTH_320:
2006		rx_status->bw = RATE_INFO_BW_320;
2007		break;
2008	}
2009
2010	/* must be before L-SIG data */
2011	if (format == RATE_MCS_MOD_TYPE_HE)
2012		iwl_mvm_rx_he(mvm, skb, phy_data, queue);
2013
2014	iwl_mvm_decode_lsig(skb, phy_data);
2015
2016	rx_status->device_timestamp = phy_data->gp2_on_air_rise;
2017
2018	if (mvm->rx_ts_ptp && mvm->monitor_on) {
2019		u64 adj_time =
2020			iwl_mvm_ptp_get_adj_time(mvm, phy_data->gp2_on_air_rise * NSEC_PER_USEC);
2021
2022		rx_status->mactime = div64_u64(adj_time, NSEC_PER_USEC);
2023		rx_status->flag |= RX_FLAG_MACTIME_IS_RTAP_TS64;
2024		rx_status->flag &= ~RX_FLAG_MACTIME;
2025	}
2026
2027	rx_status->freq = ieee80211_channel_to_frequency(phy_data->channel,
2028							 rx_status->band);
2029	iwl_mvm_get_signal_strength(mvm, desc, hdr, rx_status, rate_n_flags,
2030				    phy_data->energy_a, phy_data->energy_b);
2031
2032	/* using TLV format and must be after all fixed len fields */
2033	if (format == RATE_MCS_MOD_TYPE_EHT)
2034		iwl_mvm_rx_eht(mvm, skb, phy_data, queue);
2035
2036	if (unlikely(mvm->monitor_on))
2037		iwl_mvm_add_rtap_sniffer_config(mvm, skb);
2038
2039	is_sgi = format == RATE_MCS_MOD_TYPE_HE ?
2040		iwl_he_is_sgi(rate_n_flags) :
2041		rate_n_flags & RATE_MCS_SGI_MSK;
2042
2043	if (!(format == RATE_MCS_MOD_TYPE_CCK) && is_sgi)
2044		rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
2045
2046	if (rate_n_flags & RATE_MCS_LDPC_MSK)
2047		rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
2048
2049	switch (format) {
2050	case RATE_MCS_MOD_TYPE_VHT:
2051		rx_status->encoding = RX_ENC_VHT;
2052		break;
2053	case RATE_MCS_MOD_TYPE_HE:
2054		rx_status->encoding = RX_ENC_HE;
2055		rx_status->he_dcm =
2056			!!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK);
2057		break;
2058	case RATE_MCS_MOD_TYPE_EHT:
2059		rx_status->encoding = RX_ENC_EHT;
2060		break;
2061	}
2062
2063	switch (format) {
2064	case RATE_MCS_MOD_TYPE_HT:
2065		rx_status->encoding = RX_ENC_HT;
2066		rx_status->rate_idx = RATE_HT_MCS_INDEX(rate_n_flags);
2067		rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
2068		break;
2069	case RATE_MCS_MOD_TYPE_VHT:
2070	case RATE_MCS_MOD_TYPE_HE:
2071	case RATE_MCS_MOD_TYPE_EHT:
2072		rx_status->nss =
2073			u32_get_bits(rate_n_flags, RATE_MCS_NSS_MSK) + 1;
2074		rx_status->rate_idx = rate_n_flags & RATE_MCS_CODE_MSK;
2075		rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
2076		break;
2077	default: {
2078		int rate = iwl_mvm_legacy_hw_idx_to_mac80211_idx(rate_n_flags,
2079								 rx_status->band);
2080
2081		rx_status->rate_idx = rate;
2082
2083		if ((rate < 0 || rate > 0xFF)) {
2084			rx_status->rate_idx = 0;
2085			if (net_ratelimit())
2086				IWL_ERR(mvm, "Invalid rate flags 0x%x, band %d,\n",
2087					rate_n_flags, rx_status->band);
2088		}
2089
2090		break;
2091		}
2092	}
2093}
2094
2095void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
2096			struct iwl_rx_cmd_buffer *rxb, int queue)
2097{
2098	struct ieee80211_rx_status *rx_status;
2099	struct iwl_rx_packet *pkt = rxb_addr(rxb);
2100	struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
2101	struct ieee80211_hdr *hdr;
2102	u32 len;
2103	u32 pkt_len = iwl_rx_packet_payload_len(pkt);
2104	struct ieee80211_sta *sta = NULL;
2105	struct sk_buff *skb;
2106	u8 crypt_len = 0;
2107	size_t desc_size;
2108	struct iwl_mvm_rx_phy_data phy_data = {};
2109	u32 format;
2110
2111	if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2112		return;
2113
2114	if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
2115		desc_size = sizeof(*desc);
2116	else
2117		desc_size = IWL_RX_DESC_SIZE_V1;
2118
2119	if (unlikely(pkt_len < desc_size)) {
2120		IWL_DEBUG_DROP(mvm, "Bad REPLY_RX_MPDU_CMD size\n");
2121		return;
2122	}
2123
2124	if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
2125		phy_data.rate_n_flags =
2126			iwl_mvm_v3_rate_from_fw(desc->v3.rate_n_flags,
2127						mvm->fw_rates_ver);
2128		phy_data.channel = desc->v3.channel;
2129		phy_data.gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise);
2130		phy_data.energy_a = desc->v3.energy_a;
2131		phy_data.energy_b = desc->v3.energy_b;
2132
2133		phy_data.d0 = desc->v3.phy_data0;
2134		phy_data.d1 = desc->v3.phy_data1;
2135		phy_data.d2 = desc->v3.phy_data2;
2136		phy_data.d3 = desc->v3.phy_data3;
2137		phy_data.eht_d4 = desc->phy_eht_data4;
2138		phy_data.d5 = desc->v3.phy_data5;
2139	} else {
2140		phy_data.rate_n_flags =
2141			iwl_mvm_v3_rate_from_fw(desc->v1.rate_n_flags,
2142						mvm->fw_rates_ver);
2143		phy_data.channel = desc->v1.channel;
2144		phy_data.gp2_on_air_rise = le32_to_cpu(desc->v1.gp2_on_air_rise);
2145		phy_data.energy_a = desc->v1.energy_a;
2146		phy_data.energy_b = desc->v1.energy_b;
2147
2148		phy_data.d0 = desc->v1.phy_data0;
2149		phy_data.d1 = desc->v1.phy_data1;
2150		phy_data.d2 = desc->v1.phy_data2;
2151		phy_data.d3 = desc->v1.phy_data3;
2152	}
2153
2154	format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
2155
2156	len = le16_to_cpu(desc->mpdu_len);
2157
2158	if (unlikely(len + desc_size > pkt_len)) {
2159		IWL_DEBUG_DROP(mvm, "FW lied about packet len\n");
2160		return;
2161	}
2162
2163	phy_data.with_data = true;
2164	phy_data.phy_info = le16_to_cpu(desc->phy_info);
2165	phy_data.d4 = desc->phy_data4;
2166
2167	hdr = (void *)(pkt->data + desc_size);
2168	/* Dont use dev_alloc_skb(), we'll have enough headroom once
2169	 * ieee80211_hdr pulled.
2170	 */
2171	skb = alloc_skb(128, GFP_ATOMIC);
2172	if (!skb) {
2173		IWL_ERR(mvm, "alloc_skb failed\n");
2174		return;
2175	}
2176
2177	if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
2178		/*
2179		 * If the device inserted padding it means that (it thought)
2180		 * the 802.11 header wasn't a multiple of 4 bytes long. In
2181		 * this case, reserve two bytes at the start of the SKB to
2182		 * align the payload properly in case we end up copying it.
2183		 */
2184		skb_reserve(skb, 2);
2185	}
2186
2187	rx_status = IEEE80211_SKB_RXCB(skb);
2188
2189	/*
2190	 * Keep packets with CRC errors (and with overrun) for monitor mode
2191	 * (otherwise the firmware discards them) but mark them as bad.
2192	 */
2193	if (!(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_CRC_OK)) ||
2194	    !(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_OVERRUN_OK))) {
2195		IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n",
2196			     le32_to_cpu(desc->status));
2197		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
2198	}
2199
2200	/* set the preamble flag if appropriate */
2201	if (format == RATE_MCS_MOD_TYPE_CCK &&
2202	    phy_data.phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE)
2203		rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
2204
2205	if (likely(!(phy_data.phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) {
2206		u64 tsf_on_air_rise;
2207
2208		if (mvm->trans->mac_cfg->device_family >=
2209		    IWL_DEVICE_FAMILY_AX210)
2210			tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise);
2211		else
2212			tsf_on_air_rise = le64_to_cpu(desc->v1.tsf_on_air_rise);
2213
2214		rx_status->mactime = tsf_on_air_rise;
2215		/* TSF as indicated by the firmware is at INA time */
2216		rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
2217	}
2218
2219	if (iwl_mvm_is_band_in_rx_supported(mvm)) {
2220		u8 band = u8_get_bits(desc->mac_phy_band,
2221				      IWL_RX_MPDU_MAC_PHY_BAND_BAND_MASK);
2222
2223		rx_status->band = iwl_mvm_nl80211_band_from_phy(band);
2224	} else {
2225		rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
2226			NL80211_BAND_2GHZ;
2227	}
2228
2229	/* update aggregation data for monitor sake on default queue */
2230	if (!queue && (phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
2231		bool toggle_bit;
2232
2233		toggle_bit = phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE;
2234		rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
2235		/*
2236		 * Toggle is switched whenever new aggregation starts. Make
2237		 * sure ampdu_reference is never 0 so we can later use it to
2238		 * see if the frame was really part of an A-MPDU or not.
2239		 */
2240		if (toggle_bit != mvm->ampdu_toggle) {
2241			mvm->ampdu_ref++;
2242			if (mvm->ampdu_ref == 0)
2243				mvm->ampdu_ref++;
2244			mvm->ampdu_toggle = toggle_bit;
2245			phy_data.first_subframe = true;
2246		}
2247		rx_status->ampdu_reference = mvm->ampdu_ref;
2248	}
2249
2250	rcu_read_lock();
2251
2252	if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_SRC_STA_FOUND)) {
2253		u8 sta_id = le32_get_bits(desc->status,
2254					  IWL_RX_MPDU_STATUS_STA_ID);
2255
2256		if (!WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) {
2257			struct ieee80211_link_sta *link_sta;
2258
2259			sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
2260			if (IS_ERR(sta))
2261				sta = NULL;
2262			link_sta = rcu_dereference(mvm->fw_id_to_link_sta[sta_id]);
2263
2264			if (sta && sta->valid_links && link_sta) {
2265				rx_status->link_valid = 1;
2266				rx_status->link_id = link_sta->link_id;
2267			}
2268		}
2269	} else if (!is_multicast_ether_addr(hdr->addr2)) {
2270		/*
2271		 * This is fine since we prevent two stations with the same
2272		 * address from being added.
2273		 */
2274		sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
2275	}
2276
2277	if (iwl_mvm_rx_crypto(mvm, sta, hdr, rx_status, phy_data.phy_info, desc,
2278			      le32_to_cpu(pkt->len_n_flags), queue,
2279			      &crypt_len)) {
2280		kfree_skb(skb);
2281		goto out;
2282	}
2283
2284	iwl_mvm_rx_fill_status(mvm, desc, hdr, skb, &phy_data, queue);
2285
2286	if (sta) {
2287		struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
2288		struct ieee80211_vif *tx_blocked_vif =
2289			rcu_dereference(mvm->csa_tx_blocked_vif);
2290		u8 baid = (u8)((le32_to_cpu(desc->reorder_data) &
2291			       IWL_RX_MPDU_REORDER_BAID_MASK) >>
2292			       IWL_RX_MPDU_REORDER_BAID_SHIFT);
2293		struct iwl_fw_dbg_trigger_tlv *trig;
2294		struct ieee80211_vif *vif = mvmsta->vif;
2295
2296		if (!mvm->tcm.paused && len >= sizeof(*hdr) &&
2297		    !is_multicast_ether_addr(hdr->addr1) &&
2298		    ieee80211_is_data(hdr->frame_control) &&
2299		    time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD))
2300			schedule_delayed_work(&mvm->tcm.work, 0);
2301
2302		/*
2303		 * We have tx blocked stations (with CS bit). If we heard
2304		 * frames from a blocked station on a new channel we can
2305		 * TX to it again.
2306		 */
2307		if (unlikely(tx_blocked_vif) && tx_blocked_vif == vif) {
2308			struct iwl_mvm_vif *mvmvif =
2309				iwl_mvm_vif_from_mac80211(tx_blocked_vif);
2310			struct iwl_rx_sta_csa rx_sta_csa = {
2311				.all_sta_unblocked = true,
2312				.vif = tx_blocked_vif,
2313			};
2314
2315			if (mvmvif->csa_target_freq == rx_status->freq)
2316				iwl_mvm_sta_modify_disable_tx_ap(mvm, sta,
2317								 false);
2318			ieee80211_iterate_stations_atomic(mvm->hw,
2319							  iwl_mvm_rx_get_sta_block_tx,
2320							  &rx_sta_csa);
2321
2322			if (rx_sta_csa.all_sta_unblocked) {
2323				RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2324				/* Unblock BCAST / MCAST station */
2325				iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
2326				cancel_delayed_work(&mvm->cs_tx_unblock_dwork);
2327			}
2328		}
2329
2330		rs_update_last_rssi(mvm, mvmsta, rx_status);
2331
2332		trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
2333					     ieee80211_vif_to_wdev(vif),
2334					     FW_DBG_TRIGGER_RSSI);
2335
2336		if (trig && ieee80211_is_beacon(hdr->frame_control)) {
2337			struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
2338			s32 rssi;
2339
2340			rssi_trig = (void *)trig->data;
2341			rssi = le32_to_cpu(rssi_trig->rssi);
2342
2343			if (rx_status->signal < rssi)
2344				iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
2345							NULL);
2346		}
2347
2348		if (ieee80211_is_data(hdr->frame_control))
2349			iwl_mvm_rx_csum(mvm, sta, skb, pkt);
2350
2351		if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
2352			IWL_DEBUG_DROP(mvm, "Dropping duplicate packet 0x%x\n",
2353				       le16_to_cpu(hdr->seq_ctrl));
2354			kfree_skb(skb);
2355			goto out;
2356		}
2357
2358		/*
2359		 * Our hardware de-aggregates AMSDUs but copies the mac header
2360		 * as it to the de-aggregated MPDUs. We need to turn off the
2361		 * AMSDU bit in the QoS control ourselves.
2362		 * In addition, HW reverses addr3 and addr4 - reverse it back.
2363		 */
2364		if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2365		    !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
2366			u8 *qc = ieee80211_get_qos_ctl(hdr);
2367
2368			*qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
2369
2370			if (mvm->trans->mac_cfg->device_family ==
2371			    IWL_DEVICE_FAMILY_9000) {
2372				iwl_mvm_flip_address(hdr->addr3);
2373
2374				if (ieee80211_has_a4(hdr->frame_control))
2375					iwl_mvm_flip_address(hdr->addr4);
2376			}
2377		}
2378		if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) {
2379			u32 reorder_data = le32_to_cpu(desc->reorder_data);
2380
2381			iwl_mvm_agg_rx_received(mvm, reorder_data, baid);
2382		}
2383	}
2384
2385	/* management stuff on default queue */
2386	if (!queue) {
2387		if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
2388			      ieee80211_is_probe_resp(hdr->frame_control)) &&
2389			     mvm->sched_scan_pass_all ==
2390			     SCHED_SCAN_PASS_ALL_ENABLED))
2391			mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
2392
2393		if (unlikely(ieee80211_is_beacon(hdr->frame_control) ||
2394			     ieee80211_is_probe_resp(hdr->frame_control)))
2395			rx_status->boottime_ns = ktime_get_boottime_ns();
2396	}
2397
2398	if (iwl_mvm_create_skb(mvm, skb, hdr, len, crypt_len, rxb)) {
2399		kfree_skb(skb);
2400		goto out;
2401	}
2402
2403	if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc) &&
2404	    likely(!iwl_mvm_time_sync_frame(mvm, skb, hdr->addr2)) &&
2405	    likely(!iwl_mvm_mei_filter_scan(mvm, skb))) {
2406		if (mvm->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
2407		    (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2408		    !(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME))
2409			rx_status->flag |= RX_FLAG_AMSDU_MORE;
2410
2411		iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
2412	}
2413out:
2414	rcu_read_unlock();
2415}
2416
2417void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
2418				struct iwl_rx_cmd_buffer *rxb, int queue)
2419{
2420	struct ieee80211_rx_status *rx_status;
2421	struct iwl_rx_packet *pkt = rxb_addr(rxb);
2422	struct iwl_rx_no_data_ver_3 *desc = (void *)pkt->data;
2423	u32 rssi;
2424	struct ieee80211_sta *sta = NULL;
2425	struct sk_buff *skb;
2426	struct iwl_mvm_rx_phy_data phy_data;
2427	u32 format;
2428
2429	if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2430		return;
2431
2432	if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(struct iwl_rx_no_data)))
2433		return;
2434
2435	rssi = le32_to_cpu(desc->rssi);
2436	phy_data.d0 = desc->phy_info[0];
2437	phy_data.d1 = desc->phy_info[1];
2438	phy_data.phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD;
2439	phy_data.gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time);
2440	phy_data.energy_a = u32_get_bits(rssi, RX_NO_DATA_CHAIN_A_MSK);
2441	phy_data.energy_b = u32_get_bits(rssi, RX_NO_DATA_CHAIN_B_MSK);
2442	phy_data.channel = u32_get_bits(rssi, RX_NO_DATA_CHANNEL_MSK);
2443	phy_data.with_data = false;
2444	phy_data.rx_vec[0] = desc->rx_vec[0];
2445	phy_data.rx_vec[1] = desc->rx_vec[1];
2446
2447	phy_data.rate_n_flags = iwl_mvm_v3_rate_from_fw(desc->rate,
2448							mvm->fw_rates_ver);
2449
2450	format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
2451
2452	if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2453				    RX_NO_DATA_NOTIF, 0) >= 3) {
2454		if (unlikely(iwl_rx_packet_payload_len(pkt) <
2455		    sizeof(struct iwl_rx_no_data_ver_3)))
2456		/* invalid len for ver 3 */
2457			return;
2458		phy_data.rx_vec[2] = desc->rx_vec[2];
2459		phy_data.rx_vec[3] = desc->rx_vec[3];
2460	} else {
2461		if (format == RATE_MCS_MOD_TYPE_EHT)
2462			/* no support for EHT before version 3 API */
2463			return;
2464	}
2465
2466	/* Dont use dev_alloc_skb(), we'll have enough headroom once
2467	 * ieee80211_hdr pulled.
2468	 */
2469	skb = alloc_skb(128, GFP_ATOMIC);
2470	if (!skb) {
2471		IWL_ERR(mvm, "alloc_skb failed\n");
2472		return;
2473	}
2474
2475	rx_status = IEEE80211_SKB_RXCB(skb);
2476
2477	/* 0-length PSDU */
2478	rx_status->flag |= RX_FLAG_NO_PSDU;
2479
2480	/* mark as failed PLCP on any errors to skip checks in mac80211 */
2481	if (le32_get_bits(desc->info, RX_NO_DATA_INFO_ERR_MSK) !=
2482	    RX_NO_DATA_INFO_ERR_NONE)
2483		rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC;
2484
2485	switch (le32_get_bits(desc->info, RX_NO_DATA_INFO_TYPE_MSK)) {
2486	case RX_NO_DATA_INFO_TYPE_NDP:
2487		rx_status->zero_length_psdu_type =
2488			IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING;
2489		break;
2490	case RX_NO_DATA_INFO_TYPE_MU_UNMATCHED:
2491	case RX_NO_DATA_INFO_TYPE_TB_UNMATCHED:
2492		rx_status->zero_length_psdu_type =
2493			IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED;
2494		break;
2495	default:
2496		rx_status->zero_length_psdu_type =
2497			IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR;
2498		break;
2499	}
2500
2501	rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
2502		NL80211_BAND_2GHZ;
2503
2504	iwl_mvm_rx_fill_status(mvm, NULL, NULL, skb, &phy_data, queue);
2505
2506	/* no more radio tap info should be put after this point.
2507	 *
2508	 * We mark it as mac header, for upper layers to know where
2509	 * all radio tap header ends.
2510	 *
2511	 * Since data doesn't move data while putting data on skb and that is
2512	 * the only way we use, data + len is the next place that hdr would be put
2513	 */
2514	skb_set_mac_header(skb, skb->len);
2515
2516	/*
2517	 * Override the nss from the rx_vec since the rate_n_flags has
2518	 * only 2 bits for the nss which gives a max of 4 ss but there
2519	 * may be up to 8 spatial streams.
2520	 */
2521	switch (format) {
2522	case RATE_MCS_MOD_TYPE_VHT:
2523		rx_status->nss =
2524			le32_get_bits(desc->rx_vec[0],
2525				      RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1;
2526		break;
2527	case RATE_MCS_MOD_TYPE_HE:
2528		rx_status->nss =
2529			le32_get_bits(desc->rx_vec[0],
2530				      RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1;
2531		break;
2532	case RATE_MCS_MOD_TYPE_EHT:
2533		rx_status->nss =
2534			le32_get_bits(desc->rx_vec[2],
2535				      RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK) + 1;
2536	}
2537
2538	rcu_read_lock();
2539	ieee80211_rx_napi(mvm->hw, sta, skb, napi);
2540	rcu_read_unlock();
2541}
2542
2543void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2544			      struct iwl_rx_cmd_buffer *rxb, int queue)
2545{
2546	struct iwl_rx_packet *pkt = rxb_addr(rxb);
2547	struct iwl_frame_release *release = (void *)pkt->data;
2548
2549	if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
2550		return;
2551
2552	iwl_mvm_release_frames_from_notif(mvm, napi, release->baid,
2553					  le16_to_cpu(release->nssn),
2554					  queue);
2555}
2556
2557void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2558				  struct iwl_rx_cmd_buffer *rxb, int queue)
2559{
2560	struct iwl_rx_packet *pkt = rxb_addr(rxb);
2561	struct iwl_bar_frame_release *release = (void *)pkt->data;
2562	struct iwl_mvm_baid_data *baid_data;
2563	u32 pkt_len = iwl_rx_packet_payload_len(pkt);
2564	unsigned int baid, nssn, sta_id, tid;
2565
2566	if (IWL_FW_CHECK(mvm, pkt_len < sizeof(*release),
2567			 "Unexpected frame release notif size %d (expected %zu)\n",
2568			 pkt_len, sizeof(*release)))
2569		return;
2570
2571	baid = le32_get_bits(release->ba_info,
2572			     IWL_BAR_FRAME_RELEASE_BAID_MASK);
2573	nssn = le32_get_bits(release->ba_info,
2574			     IWL_BAR_FRAME_RELEASE_NSSN_MASK);
2575	sta_id = le32_get_bits(release->sta_tid,
2576			       IWL_BAR_FRAME_RELEASE_STA_MASK);
2577	tid = le32_get_bits(release->sta_tid,
2578			    IWL_BAR_FRAME_RELEASE_TID_MASK);
2579
2580	if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
2581			 baid >= ARRAY_SIZE(mvm->baid_map)))
2582		return;
2583
2584	rcu_read_lock();
2585	baid_data = rcu_dereference(mvm->baid_map[baid]);
2586	if (!baid_data) {
2587		IWL_DEBUG_RX(mvm,
2588			     "Got valid BAID %d but not allocated, invalid BAR release!\n",
2589			      baid);
2590		goto out;
2591	}
2592
2593	if (WARN(tid != baid_data->tid || sta_id > IWL_STATION_COUNT_MAX ||
2594		 !(baid_data->sta_mask & BIT(sta_id)),
2595		 "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but BAR release received for sta:%d tid:%d\n",
2596		 baid, baid_data->sta_mask, baid_data->tid, sta_id,
2597		 tid))
2598		goto out;
2599
2600	IWL_DEBUG_DROP(mvm, "Received a BAR, expect packet loss: nssn %d\n",
2601		       nssn);
2602
2603	iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue);
2604out:
2605	rcu_read_unlock();
2606}
2607
2608void iwl_mvm_rx_beacon_filter_notif(struct iwl_mvm *mvm,
2609				    struct iwl_rx_cmd_buffer *rxb)
2610{
2611	struct iwl_rx_packet *pkt = rxb_addr(rxb);
2612	/* MAC or link ID in v1/v2, but driver has the IDs equal */
2613	struct iwl_beacon_filter_notif *notif = (void *)pkt->data;
2614	u32 id = le32_to_cpu(notif->link_id);
2615	struct iwl_mvm_vif *mvm_vif;
2616	struct ieee80211_vif *vif;
2617
2618	/* >= means AUX MAC/link ID, no energy correction needed then */
2619	if (IWL_FW_CHECK(mvm, id >= ARRAY_SIZE(mvm->vif_id_to_mac),
2620			 "invalid link ID %d\n", id))
2621		return;
2622
2623	vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, false);
2624	if (!vif)
2625		return;
2626
2627	mvm_vif = iwl_mvm_vif_from_mac80211(vif);
2628
2629	mvm_vif->deflink.average_beacon_energy =
2630		le32_to_cpu(notif->average_energy);
2631}