drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
   4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
   5  * Copyright (C) 2015-2017 Intel Deutschland GmbH
   6  */
   7 #include <linux/etherdevice.h>
   8 #include <linux/skbuff.h>
   9 #include "iwl-trans.h"
  10 #include "mvm.h"
  11 #include "fw-api.h"
  12 #include "time-sync.h"
  13
  14 static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb,
  15                                    int queue, struct ieee80211_sta *sta)
  16 {
  17         struct iwl_mvm_sta *mvmsta;
  18         struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
  19         struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb);
  20         struct iwl_mvm_key_pn *ptk_pn;
  21         int res;
  22         u8 tid, keyidx;
  23         u8 pn[IEEE80211_CCMP_PN_LEN];
  24         u8 *extiv;
  25
  26         /* do PN checking */
  27
  28         /* multicast and non-data only arrives on default queue */
  29         if (!ieee80211_is_data(hdr->frame_control) ||
  30             is_multicast_ether_addr(hdr->addr1))
  31                 return 0;
  32
  33         /* do not check PN for open AP */
  34         if (!(stats->flag & RX_FLAG_DECRYPTED))
  35                 return 0;
  36
  37         /*
  38          * avoid checking for default queue - we don't want to replicate
  39          * all the logic that's necessary for checking the PN on fragmented
  40          * frames, leave that to mac80211
  41          */
  42         if (queue == 0)
  43                 return 0;
  44
  45         /* if we are here - this for sure is either CCMP or GCMP */
  46         if (IS_ERR_OR_NULL(sta)) {
  47                 IWL_DEBUG_DROP(mvm,
  48                                "expected hw-decrypted unicast frame for station\n");
  49                 return -1;
  50         }
  51
  52         mvmsta = iwl_mvm_sta_from_mac80211(sta);
  53
  54         extiv = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
  55         keyidx = extiv[3] >> 6;
  56
  57         ptk_pn = rcu_dereference(mvmsta->ptk_pn[keyidx]);
  58         if (!ptk_pn)
  59                 return -1;
  60
  61         if (ieee80211_is_data_qos(hdr->frame_control))
  62                 tid = ieee80211_get_tid(hdr);
  63         else
  64                 tid = 0;
  65
  66         /* we don't use HCCA/802.11 QoS TSPECs, so drop such frames */
  67         if (tid >= IWL_MAX_TID_COUNT)
  68                 return -1;
  69
  70         /* load pn */
  71         pn[0] = extiv[7];
  72         pn[1] = extiv[6];
  73         pn[2] = extiv[5];
  74         pn[3] = extiv[4];
  75         pn[4] = extiv[1];
  76         pn[5] = extiv[0];
  77
  78         res = memcmp(pn, ptk_pn->q[queue].pn[tid], IEEE80211_CCMP_PN_LEN);
  79         if (res < 0)
  80                 return -1;
  81         if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN))
  82                 return -1;
  83
  84         memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN);
  85         stats->flag |= RX_FLAG_PN_VALIDATED;
  86
  87         return 0;
  88 }
  89
  90 /* iwl_mvm_create_skb Adds the rxb to a new skb */
  91 static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
  92                               struct ieee80211_hdr *hdr, u16 len, u8 crypt_len,
  93                               struct iwl_rx_cmd_buffer *rxb)
  94 {
  95         struct iwl_rx_packet *pkt = rxb_addr(rxb);
  96         struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
  97         unsigned int headlen, fraglen, pad_len = 0;
  98         unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
  99         u8 mic_crc_len = u8_get_bits(desc->mac_flags1,
 100                                      IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK) << 1;
 101
 102         if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
 103                 len -= 2;
 104                 pad_len = 2;
 105         }
 106
 107         /*
 108          * For non monitor interface strip the bytes the RADA might not have
 109          * removed (it might be disabled, e.g. for mgmt frames). As a monitor
 110          * interface cannot exist with other interfaces, this removal is safe
 111          * and sufficient, in monitor mode there's no decryption being done.
 112          */
 113         if (len > mic_crc_len && !ieee80211_hw_check(mvm->hw, RX_INCLUDES_FCS))
 114                 len -= mic_crc_len;
 115
 116         /* If frame is small enough to fit in skb->head, pull it completely.
 117          * If not, only pull ieee80211_hdr (including crypto if present, and
 118          * an additional 8 bytes for SNAP/ethertype, see below) so that
 119          * splice() or TCP coalesce are more efficient.
 120          *
 121          * Since, in addition, ieee80211_data_to_8023() always pull in at
 122          * least 8 bytes (possibly more for mesh) we can do the same here
 123          * to save the cost of doing it later. That still doesn't pull in
 124          * the actual IP header since the typical case has a SNAP header.
 125          * If the latter changes (there are efforts in the standards group
 126          * to do so) we should revisit this and ieee80211_data_to_8023().
 127          */
 128         headlen = (len <= skb_tailroom(skb)) ? len :
 129                                                hdrlen + crypt_len + 8;
 130
 131         /* The firmware may align the packet to DWORD.
 132          * The padding is inserted after the IV.
 133          * After copying the header + IV skip the padding if
 134          * present before copying packet data.
 135          */
 136         hdrlen += crypt_len;
 137
 138         if (unlikely(headlen < hdrlen))
 139                 return -EINVAL;
 140
 141         /* Since data doesn't move data while putting data on skb and that is
 142          * the only way we use, data + len is the next place that hdr would be put
 143          */
 144         skb_set_mac_header(skb, skb->len);
 145         skb_put_data(skb, hdr, hdrlen);
 146         skb_put_data(skb, (u8 *)hdr + hdrlen + pad_len, headlen - hdrlen);
 147
 148         /*
 149          * If we did CHECKSUM_COMPLETE, the hardware only does it right for
 150          * certain cases and starts the checksum after the SNAP. Check if
 151          * this is the case - it's easier to just bail out to CHECKSUM_NONE
 152          * in the cases the hardware didn't handle, since it's rare to see
 153          * such packets, even though the hardware did calculate the checksum
 154          * in this case, just starting after the MAC header instead.
 155          *
 156          * Starting from Bz hardware, it calculates starting directly after
 157          * the MAC header, so that matches mac80211's expectation.
 158          */
 159         if (skb->ip_summed == CHECKSUM_COMPLETE) {
 160                 struct {
 161                         u8 hdr[6];
 162                         __be16 type;
 163                 } __packed *shdr = (void *)((u8 *)hdr + hdrlen + pad_len);
 164
 165                 if (unlikely(headlen - hdrlen < sizeof(*shdr) ||
 166                              !ether_addr_equal(shdr->hdr, rfc1042_header) ||
 167                              (shdr->type != htons(ETH_P_IP) &&
 168                               shdr->type != htons(ETH_P_ARP) &&
 169                               shdr->type != htons(ETH_P_IPV6) &&
 170                               shdr->type != htons(ETH_P_8021Q) &&
 171                               shdr->type != htons(ETH_P_PAE) &&
 172                               shdr->type != htons(ETH_P_TDLS))))
 173                         skb->ip_summed = CHECKSUM_NONE;
 174                 else if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
 175                         /* mac80211 assumes full CSUM including SNAP header */
 176                         skb_postpush_rcsum(skb, shdr, sizeof(*shdr));
 177         }
 178
 179         fraglen = len - headlen;
 180
 181         if (fraglen) {
 182                 int offset = (u8 *)hdr + headlen + pad_len -
 183                              (u8 *)rxb_addr(rxb) + rxb_offset(rxb);
 184
 185                 skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
 186                                 fraglen, rxb->truesize);
 187         }
 188
 189         return 0;
 190 }
 191
 192 /* put a TLV on the skb and return data pointer
 193  *
 194  * Also pad to 4 the len and zero out all data part
 195  */
 196 static void *
 197 iwl_mvm_radiotap_put_tlv(struct sk_buff *skb, u16 type, u16 len)
 198 {
 199         struct ieee80211_radiotap_tlv *tlv;
 200
 201         tlv = skb_put(skb, sizeof(*tlv));
 202         tlv->type = cpu_to_le16(type);
 203         tlv->len = cpu_to_le16(len);
 204         return skb_put_zero(skb, ALIGN(len, 4));
 205 }
 206
 207 static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm,
 208                                             struct sk_buff *skb)
 209 {
 210         struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
 211         struct ieee80211_radiotap_vendor_content *radiotap;
 212         const u16 vendor_data_len = sizeof(mvm->cur_aid);
 213
 214         if (!mvm->cur_aid)
 215                 return;
 216
 217         radiotap = iwl_mvm_radiotap_put_tlv(skb,
 218                                             IEEE80211_RADIOTAP_VENDOR_NAMESPACE,
 219                                             sizeof(*radiotap) + vendor_data_len);
 220
 221         /* Intel OUI */
 222         radiotap->oui[0] = 0xf6;
 223         radiotap->oui[1] = 0x54;
 224         radiotap->oui[2] = 0x25;
 225         /* radiotap sniffer config sub-namespace */
 226         radiotap->oui_subtype = 1;
 227         radiotap->vendor_type = 0;
 228
 229         /* fill the data now */
 230         memcpy(radiotap->data, &mvm->cur_aid, sizeof(mvm->cur_aid));
 231
 232         rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
 233 }
 234
 235 /* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
 236 static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
 237                                             struct napi_struct *napi,
 238                                             struct sk_buff *skb, int queue,
 239                                             struct ieee80211_sta *sta,
 240                                             struct ieee80211_link_sta *link_sta)
 241 {
 242         if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) {
 243                 kfree_skb(skb);
 244                 return;
 245         }
 246
 247         if (sta && sta->valid_links && link_sta) {
 248                 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
 249
 250                 rx_status->link_valid = 1;
 251                 rx_status->link_id = link_sta->link_id;
 252         }
 253
 254         ieee80211_rx_napi(mvm->hw, sta, skb, napi);
 255 }
 256
 257 static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
 258                                         struct ieee80211_rx_status *rx_status,
 259                                         u32 rate_n_flags, int energy_a,
 260                                         int energy_b)
 261 {
 262         int max_energy;
 263         u32 rate_flags = rate_n_flags;
 264
 265         energy_a = energy_a ? -energy_a : S8_MIN;
 266         energy_b = energy_b ? -energy_b : S8_MIN;
 267         max_energy = max(energy_a, energy_b);
 268
 269         IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n",
 270                         energy_a, energy_b, max_energy);
 271
 272         rx_status->signal = max_energy;
 273         rx_status->chains =
 274                 (rate_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS;
 275         rx_status->chain_signal[0] = energy_a;
 276         rx_status->chain_signal[1] = energy_b;
 277 }
 278
 279 static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 280                                 struct ieee80211_hdr *hdr,
 281                                 struct iwl_rx_mpdu_desc *desc,
 282                                 u32 status,
 283                                 struct ieee80211_rx_status *stats)
 284 {
 285         struct iwl_mvm_sta *mvmsta;
 286         struct iwl_mvm_vif *mvmvif;
 287         u8 keyid;
 288         struct ieee80211_key_conf *key;
 289         u32 len = le16_to_cpu(desc->mpdu_len);
 290         const u8 *frame = (void *)hdr;
 291
 292         if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE)
 293                 return 0;
 294
 295         /*
 296          * For non-beacon, we don't really care. But beacons may
 297          * be filtered out, and we thus need the firmware's replay
 298          * detection, otherwise beacons the firmware previously
 299          * filtered could be replayed, or something like that, and
 300          * it can filter a lot - though usually only if nothing has
 301          * changed.
 302          */
 303         if (!ieee80211_is_beacon(hdr->frame_control))
 304                 return 0;
 305
 306         /* key mismatch - will also report !MIC_OK but we shouldn't count it */
 307         if (!(status & IWL_RX_MPDU_STATUS_KEY_VALID))
 308                 return -1;
 309
 310         /* good cases */
 311         if (likely(status & IWL_RX_MPDU_STATUS_MIC_OK &&
 312                    !(status & IWL_RX_MPDU_STATUS_REPLAY_ERROR))) {
 313                 stats->flag |= RX_FLAG_DECRYPTED;
 314                 return 0;
 315         }
 316
 317         if (!sta)
 318                 return -1;
 319
 320         mvmsta = iwl_mvm_sta_from_mac80211(sta);
 321
 322         mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
 323
 324         /*
 325          * both keys will have the same cipher and MIC length, use
 326          * whichever one is available
 327          */
 328         key = rcu_dereference(mvmvif->bcn_prot.keys[0]);
 329         if (!key) {
 330                 key = rcu_dereference(mvmvif->bcn_prot.keys[1]);
 331                 if (!key)
 332                         return -1;
 333         }
 334
 335         if (len < key->icv_len + IEEE80211_GMAC_PN_LEN + 2)
 336                 return -1;
 337
 338         /* get the real key ID */
 339         keyid = frame[len - key->icv_len - IEEE80211_GMAC_PN_LEN - 2];
 340         /* and if that's the other key, look it up */
 341         if (keyid != key->keyidx) {
 342                 /*
 343                  * shouldn't happen since firmware checked, but be safe
 344                  * in case the MIC length is wrong too, for example
 345                  */
 346                 if (keyid != 6 && keyid != 7)
 347                         return -1;
 348                 key = rcu_dereference(mvmvif->bcn_prot.keys[keyid - 6]);
 349                 if (!key)
 350                         return -1;
 351         }
 352
 353         /* Report status to mac80211 */
 354         if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
 355                 ieee80211_key_mic_failure(key);
 356         else if (status & IWL_RX_MPDU_STATUS_REPLAY_ERROR)
 357                 ieee80211_key_replay(key);
 358
 359         return -1;
 360 }
 361
 362 static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 363                              struct ieee80211_hdr *hdr,
 364                              struct ieee80211_rx_status *stats, u16 phy_info,
 365                              struct iwl_rx_mpdu_desc *desc,
 366                              u32 pkt_flags, int queue, u8 *crypt_len)
 367 {
 368         u32 status = le32_to_cpu(desc->status);
 369
 370         /*
 371          * Drop UNKNOWN frames in aggregation, unless in monitor mode
 372          * (where we don't have the keys).
 373          * We limit this to aggregation because in TKIP this is a valid
 374          * scenario, since we may not have the (correct) TTAK (phase 1
 375          * key) in the firmware.
 376          */
 377         if (phy_info & IWL_RX_MPDU_PHY_AMPDU &&
 378             (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
 379             IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) {
 380                 IWL_DEBUG_DROP(mvm, "Dropping packets, bad enc status\n");
 381                 return -1;
 382         }
 383
 384         if (unlikely(ieee80211_is_mgmt(hdr->frame_control) &&
 385                      !ieee80211_has_protected(hdr->frame_control)))
 386                 return iwl_mvm_rx_mgmt_prot(sta, hdr, desc, status, stats);
 387
 388         if (!ieee80211_has_protected(hdr->frame_control) ||
 389             (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
 390             IWL_RX_MPDU_STATUS_SEC_NONE)
 391                 return 0;
 392
 393         /* TODO: handle packets encrypted with unknown alg */
 394
 395         switch (status & IWL_RX_MPDU_STATUS_SEC_MASK) {
 396         case IWL_RX_MPDU_STATUS_SEC_CCM:
 397         case IWL_RX_MPDU_STATUS_SEC_GCM:
 398                 BUILD_BUG_ON(IEEE80211_CCMP_PN_LEN != IEEE80211_GCMP_PN_LEN);
 399                 /* alg is CCM: check MIC only */
 400                 if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
 401                         return -1;
 402
 403                 stats->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MIC_STRIPPED;
 404                 *crypt_len = IEEE80211_CCMP_HDR_LEN;
 405                 return 0;
 406         case IWL_RX_MPDU_STATUS_SEC_TKIP:
 407                 /* Don't drop the frame and decrypt it in SW */
 408                 if (!fw_has_api(&mvm->fw->ucode_capa,
 409                                 IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
 410                     !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK))
 411                         return 0;
 412
 413                 if (mvm->trans->trans_cfg->gen2 &&
 414                     !(status & RX_MPDU_RES_STATUS_MIC_OK))
 415                         stats->flag |= RX_FLAG_MMIC_ERROR;
 416
 417                 *crypt_len = IEEE80211_TKIP_IV_LEN;
 418                 fallthrough;
 419         case IWL_RX_MPDU_STATUS_SEC_WEP:
 420                 if (!(status & IWL_RX_MPDU_STATUS_ICV_OK))
 421                         return -1;
 422
 423                 stats->flag |= RX_FLAG_DECRYPTED;
 424                 if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
 425                                 IWL_RX_MPDU_STATUS_SEC_WEP)
 426                         *crypt_len = IEEE80211_WEP_IV_LEN;
 427
 428                 if (pkt_flags & FH_RSCSR_RADA_EN) {
 429                         stats->flag |= RX_FLAG_ICV_STRIPPED;
 430                         if (mvm->trans->trans_cfg->gen2)
 431                                 stats->flag |= RX_FLAG_MMIC_STRIPPED;
 432                 }
 433
 434                 return 0;
 435         case IWL_RX_MPDU_STATUS_SEC_EXT_ENC:
 436                 if (!(status & IWL_RX_MPDU_STATUS_MIC_OK))
 437                         return -1;
 438                 stats->flag |= RX_FLAG_DECRYPTED;
 439                 return 0;
 440         case RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC:
 441                 break;
 442         default:
 443                 /*
 444                  * Sometimes we can get frames that were not decrypted
 445                  * because the firmware didn't have the keys yet. This can
 446                  * happen after connection where we can get multicast frames
 447                  * before the GTK is installed.
 448                  * Silently drop those frames.
 449                  * Also drop un-decrypted frames in monitor mode.
 450                  */
 451                 if (!is_multicast_ether_addr(hdr->addr1) &&
 452                     !mvm->monitor_on && net_ratelimit())
 453                         IWL_WARN(mvm, "Unhandled alg: 0x%x\n", status);
 454         }
 455
 456         return 0;
 457 }
 458
 459 static void iwl_mvm_rx_csum(struct iwl_mvm *mvm,
 460                             struct ieee80211_sta *sta,
 461                             struct sk_buff *skb,
 462                             struct iwl_rx_packet *pkt)
 463 {
 464         struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
 465
 466         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
 467                 if (pkt->len_n_flags & cpu_to_le32(FH_RSCSR_RPA_EN)) {
 468                         u16 hwsum = be16_to_cpu(desc->v3.raw_xsum);
 469
 470                         skb->ip_summed = CHECKSUM_COMPLETE;
 471                         skb->csum = csum_unfold(~(__force __sum16)hwsum);
 472                 }
 473         } else {
 474                 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 475                 struct iwl_mvm_vif *mvmvif;
 476                 u16 flags = le16_to_cpu(desc->l3l4_flags);
 477                 u8 l3_prot = (u8)((flags & IWL_RX_L3L4_L3_PROTO_MASK) >>
 478                                   IWL_RX_L3_PROTO_POS);
 479
 480                 mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
 481
 482                 if (mvmvif->features & NETIF_F_RXCSUM &&
 483                     flags & IWL_RX_L3L4_TCP_UDP_CSUM_OK &&
 484                     (flags & IWL_RX_L3L4_IP_HDR_CSUM_OK ||
 485                      l3_prot == IWL_RX_L3_TYPE_IPV6 ||
 486                      l3_prot == IWL_RX_L3_TYPE_IPV6_FRAG))
 487                         skb->ip_summed = CHECKSUM_UNNECESSARY;
 488         }
 489 }
 490
 491 /*
 492  * returns true if a packet is a duplicate or invalid tid and should be dropped.
 493  * Updates AMSDU PN tracking info
 494  */
 495 static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue,
 496                            struct ieee80211_rx_status *rx_status,
 497                            struct ieee80211_hdr *hdr,
 498                            struct iwl_rx_mpdu_desc *desc)
 499 {
 500         struct iwl_mvm_sta *mvm_sta;
 501         struct iwl_mvm_rxq_dup_data *dup_data;
 502         u8 tid, sub_frame_idx;
 503
 504         if (WARN_ON(IS_ERR_OR_NULL(sta)))
 505                 return false;
 506
 507         mvm_sta = iwl_mvm_sta_from_mac80211(sta);
 508         dup_data = &mvm_sta->dup_data[queue];
 509
 510         /*
 511          * Drop duplicate 802.11 retransmissions
 512          * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
 513          */
 514         if (ieee80211_is_ctl(hdr->frame_control) ||
 515             ieee80211_is_qos_nullfunc(hdr->frame_control) ||
 516             is_multicast_ether_addr(hdr->addr1)) {
 517                 rx_status->flag |= RX_FLAG_DUP_VALIDATED;
 518                 return false;
 519         }
 520
 521         if (ieee80211_is_data_qos(hdr->frame_control)) {
 522                 /* frame has qos control */
 523                 tid = ieee80211_get_tid(hdr);
 524                 if (tid >= IWL_MAX_TID_COUNT)
 525                         return true;
 526         } else {
 527                 tid = IWL_MAX_TID_COUNT;
 528         }
 529
 530         /* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */
 531         sub_frame_idx = desc->amsdu_info &
 532                 IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
 533
 534         if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
 535                      dup_data->last_seq[tid] == hdr->seq_ctrl &&
 536                      dup_data->last_sub_frame[tid] >= sub_frame_idx))
 537                 return true;
 538
 539         /* Allow same PN as the first subframe for following sub frames */
 540         if (dup_data->last_seq[tid] == hdr->seq_ctrl &&
 541             sub_frame_idx > dup_data->last_sub_frame[tid] &&
 542             desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU)
 543                 rx_status->flag |= RX_FLAG_ALLOW_SAME_PN;
 544
 545         dup_data->last_seq[tid] = hdr->seq_ctrl;
 546         dup_data->last_sub_frame[tid] = sub_frame_idx;
 547
 548         rx_status->flag |= RX_FLAG_DUP_VALIDATED;
 549
 550         return false;
 551 }
 552
 553 static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
 554                                    struct ieee80211_sta *sta,
 555                                    struct napi_struct *napi,
 556                                    struct iwl_mvm_baid_data *baid_data,
 557                                    struct iwl_mvm_reorder_buffer *reorder_buf,
 558                                    u16 nssn)
 559 {
 560         struct iwl_mvm_reorder_buf_entry *entries =
 561                 &baid_data->entries[reorder_buf->queue *
 562                                     baid_data->entries_per_queue];
 563         u16 ssn = reorder_buf->head_sn;
 564
 565         lockdep_assert_held(&reorder_buf->lock);
 566
 567         while (ieee80211_sn_less(ssn, nssn)) {
 568                 int index = ssn % reorder_buf->buf_size;
 569                 struct sk_buff_head *skb_list = &entries[index].frames;
 570                 struct sk_buff *skb;
 571
 572                 ssn = ieee80211_sn_inc(ssn);
 573
 574                 /*
 575                  * Empty the list. Will have more than one frame for A-MSDU.
 576                  * Empty list is valid as well since nssn indicates frames were
 577                  * received.
 578                  */
 579                 while ((skb = __skb_dequeue(skb_list))) {
 580                         iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb,
 581                                                         reorder_buf->queue,
 582                                                         sta, NULL /* FIXME */);
 583                         reorder_buf->num_stored--;
 584                 }
 585         }
 586         reorder_buf->head_sn = nssn;
 587 }
 588
 589 static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue,
 590                            struct iwl_mvm_delba_data *data)
 591 {
 592         struct iwl_mvm_baid_data *ba_data;
 593         struct ieee80211_sta *sta;
 594         struct iwl_mvm_reorder_buffer *reorder_buf;
 595         u8 baid = data->baid;
 596         u32 sta_id;
 597
 598         if (WARN_ONCE(baid >= IWL_MAX_BAID, "invalid BAID: %x\n", baid))
 599                 return;
 600
 601         rcu_read_lock();
 602
 603         ba_data = rcu_dereference(mvm->baid_map[baid]);
 604         if (WARN_ON_ONCE(!ba_data))
 605                 goto out;
 606
 607         /* pick any STA ID to find the pointer */
 608         sta_id = ffs(ba_data->sta_mask) - 1;
 609         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 610         if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
 611                 goto out;
 612
 613         reorder_buf = &ba_data->reorder_buf[queue];
 614
 615         /* release all frames that are in the reorder buffer to the stack */
 616         spin_lock_bh(&reorder_buf->lock);
 617         iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf,
 618                                ieee80211_sn_add(reorder_buf->head_sn,
 619                                                 reorder_buf->buf_size));
 620         spin_unlock_bh(&reorder_buf->lock);
 621
 622 out:
 623         rcu_read_unlock();
 624 }
 625
 626 static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm,
 627                                               struct napi_struct *napi,
 628                                               u8 baid, u16 nssn, int queue)
 629 {
 630         struct ieee80211_sta *sta;
 631         struct iwl_mvm_reorder_buffer *reorder_buf;
 632         struct iwl_mvm_baid_data *ba_data;
 633         u32 sta_id;
 634
 635         IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n",
 636                      baid, nssn);
 637
 638         if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
 639                          baid >= ARRAY_SIZE(mvm->baid_map)))
 640                 return;
 641
 642         rcu_read_lock();
 643
 644         ba_data = rcu_dereference(mvm->baid_map[baid]);
 645         if (!ba_data) {
 646                 WARN(true, "BAID %d not found in map\n", baid);
 647                 goto out;
 648         }
 649
 650         /* pick any STA ID to find the pointer */
 651         sta_id = ffs(ba_data->sta_mask) - 1;
 652         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 653         if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta)))
 654                 goto out;
 655
 656         reorder_buf = &ba_data->reorder_buf[queue];
 657
 658         spin_lock_bh(&reorder_buf->lock);
 659         iwl_mvm_release_frames(mvm, sta, napi, ba_data,
 660                                reorder_buf, nssn);
 661         spin_unlock_bh(&reorder_buf->lock);
 662
 663 out:
 664         rcu_read_unlock();
 665 }
 666
 667 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi,
 668                             struct iwl_rx_cmd_buffer *rxb, int queue)
 669 {
 670         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 671         struct iwl_rxq_sync_notification *notif;
 672         struct iwl_mvm_internal_rxq_notif *internal_notif;
 673         u32 len = iwl_rx_packet_payload_len(pkt);
 674
 675         notif = (void *)pkt->data;
 676         internal_notif = (void *)notif->payload;
 677
 678         if (WARN_ONCE(len < sizeof(*notif) + sizeof(*internal_notif),
 679                       "invalid notification size %d (%d)",
 680                       len, (int)(sizeof(*notif) + sizeof(*internal_notif))))
 681                 return;
 682         len -= sizeof(*notif) + sizeof(*internal_notif);
 683
 684         if (internal_notif->sync &&
 685             mvm->queue_sync_cookie != internal_notif->cookie) {
 686                 WARN_ONCE(1, "Received expired RX queue sync message\n");
 687                 return;
 688         }
 689
 690         switch (internal_notif->type) {
 691         case IWL_MVM_RXQ_EMPTY:
 692                 WARN_ONCE(len, "invalid empty notification size %d", len);
 693                 break;
 694         case IWL_MVM_RXQ_NOTIF_DEL_BA:
 695                 if (WARN_ONCE(len != sizeof(struct iwl_mvm_delba_data),
 696                               "invalid delba notification size %d (%d)",
 697                               len, (int)sizeof(struct iwl_mvm_delba_data)))
 698                         break;
 699                 iwl_mvm_del_ba(mvm, queue, (void *)internal_notif->data);
 700                 break;
 701         default:
 702                 WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
 703         }
 704
 705         if (internal_notif->sync) {
 706                 WARN_ONCE(!test_and_clear_bit(queue, &mvm->queue_sync_state),
 707                           "queue sync: queue %d responded a second time!\n",
 708                           queue);
 709                 if (READ_ONCE(mvm->queue_sync_state) == 0)
 710                         wake_up(&mvm->rx_sync_waitq);
 711         }
 712 }
 713
 714 /*
 715  * Returns true if the MPDU was buffered\dropped, false if it should be passed
 716  * to upper layer.
 717  */
 718 static bool iwl_mvm_reorder(struct iwl_mvm *mvm,
 719                             struct napi_struct *napi,
 720                             int queue,
 721                             struct ieee80211_sta *sta,
 722                             struct sk_buff *skb,
 723                             struct iwl_rx_mpdu_desc *desc)
 724 {
 725         struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb);
 726         struct iwl_mvm_baid_data *baid_data;
 727         struct iwl_mvm_reorder_buffer *buffer;
 728         u32 reorder = le32_to_cpu(desc->reorder_data);
 729         bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU;
 730         bool last_subframe =
 731                 desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME;
 732         u8 tid = ieee80211_get_tid(hdr);
 733         u8 sub_frame_idx = desc->amsdu_info &
 734                            IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
 735         struct iwl_mvm_reorder_buf_entry *entries;
 736         u32 sta_mask;
 737         int index;
 738         u16 nssn, sn;
 739         u8 baid;
 740
 741         baid = (reorder & IWL_RX_MPDU_REORDER_BAID_MASK) >>
 742                 IWL_RX_MPDU_REORDER_BAID_SHIFT;
 743
 744         if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000)
 745                 return false;
 746
 747         /*
 748          * This also covers the case of receiving a Block Ack Request
 749          * outside a BA session; we'll pass it to mac80211 and that
 750          * then sends a delBA action frame.
 751          * This also covers pure monitor mode, in which case we won't
 752          * have any BA sessions.
 753          */
 754         if (baid == IWL_RX_REORDER_DATA_INVALID_BAID)
 755                 return false;
 756
 757         /* no sta yet */
 758         if (WARN_ONCE(IS_ERR_OR_NULL(sta),
 759                       "Got valid BAID without a valid station assigned\n"))
 760                 return false;
 761
 762         /* not a data packet or a bar */
 763         if (!ieee80211_is_back_req(hdr->frame_control) &&
 764             (!ieee80211_is_data_qos(hdr->frame_control) ||
 765              is_multicast_ether_addr(hdr->addr1)))
 766                 return false;
 767
 768         if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
 769                 return false;
 770
 771         baid_data = rcu_dereference(mvm->baid_map[baid]);
 772         if (!baid_data) {
 773                 IWL_DEBUG_RX(mvm,
 774                              "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
 775                               baid, reorder);
 776                 return false;
 777         }
 778
 779         rcu_read_lock();
 780         sta_mask = iwl_mvm_sta_fw_id_mask(mvm, sta, -1);
 781         rcu_read_unlock();
 782
 783         if (IWL_FW_CHECK(mvm,
 784                          tid != baid_data->tid ||
 785                          !(sta_mask & baid_data->sta_mask),
 786                          "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but was received for sta_mask:0x%x tid:%d\n",
 787                          baid, baid_data->sta_mask, baid_data->tid,
 788                          sta_mask, tid))
 789                 return false;
 790
 791         nssn = reorder & IWL_RX_MPDU_REORDER_NSSN_MASK;
 792         sn = (reorder & IWL_RX_MPDU_REORDER_SN_MASK) >>
 793                 IWL_RX_MPDU_REORDER_SN_SHIFT;
 794
 795         buffer = &baid_data->reorder_buf[queue];
 796         entries = &baid_data->entries[queue * baid_data->entries_per_queue];
 797
 798         spin_lock_bh(&buffer->lock);
 799
 800         if (!buffer->valid) {
 801                 if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN) {
 802                         spin_unlock_bh(&buffer->lock);
 803                         return false;
 804                 }
 805                 buffer->valid = true;
 806         }
 807
 808         /* drop any duplicated packets */
 809         if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE))
 810                 goto drop;
 811
 812         /* drop any oudated packets */
 813         if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN)
 814                 goto drop;
 815
 816         /* release immediately if allowed by nssn and no stored frames */
 817         if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) {
 818                 if (!amsdu || last_subframe)
 819                         buffer->head_sn = nssn;
 820                 /* No need to update AMSDU last SN - we are moving the head */
 821                 spin_unlock_bh(&buffer->lock);
 822                 return false;
 823         }
 824
 825         /*
 826          * release immediately if there are no stored frames, and the sn is
 827          * equal to the head.
 828          * This can happen due to reorder timer, where NSSN is behind head_sn.
 829          * When we released everything, and we got the next frame in the
 830          * sequence, according to the NSSN we can't release immediately,
 831          * while technically there is no hole and we can move forward.
 832          */
 833         if (!buffer->num_stored && sn == buffer->head_sn) {
 834                 if (!amsdu || last_subframe)
 835                         buffer->head_sn = ieee80211_sn_inc(buffer->head_sn);
 836
 837                 /* No need to update AMSDU last SN - we are moving the head */
 838                 spin_unlock_bh(&buffer->lock);
 839                 return false;
 840         }
 841
 842         /* put in reorder buffer */
 843         index = sn % buffer->buf_size;
 844         __skb_queue_tail(&entries[index].frames, skb);
 845         buffer->num_stored++;
 846
 847         if (amsdu) {
 848                 buffer->last_amsdu = sn;
 849                 buffer->last_sub_index = sub_frame_idx;
 850         }
 851
 852         /*
 853          * We cannot trust NSSN for AMSDU sub-frames that are not the last.
 854          * The reason is that NSSN advances on the first sub-frame, and may
 855          * cause the reorder buffer to advance before all the sub-frames arrive.
 856          * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with
 857          * SN 1. NSSN for first sub frame will be 3 with the result of driver
 858          * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is
 859          * already ahead and it will be dropped.
 860          * If the last sub-frame is not on this queue - we will get frame
 861          * release notification with up to date NSSN.
 862          */
 863         if (!amsdu || last_subframe)
 864                 iwl_mvm_release_frames(mvm, sta, napi, baid_data,
 865                                        buffer, nssn);
 866
 867         spin_unlock_bh(&buffer->lock);
 868         return true;
 869
 870 drop:
 871         kfree_skb(skb);
 872         spin_unlock_bh(&buffer->lock);
 873         return true;
 874 }
 875
 876 static void iwl_mvm_agg_rx_received(struct iwl_mvm *mvm,
 877                                     u32 reorder_data, u8 baid)
 878 {
 879         unsigned long now = jiffies;
 880         unsigned long timeout;
 881         struct iwl_mvm_baid_data *data;
 882
 883         rcu_read_lock();
 884
 885         data = rcu_dereference(mvm->baid_map[baid]);
 886         if (!data) {
 887                 IWL_DEBUG_RX(mvm,
 888                              "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
 889                               baid, reorder_data);
 890                 goto out;
 891         }
 892
 893         if (!data->timeout)
 894                 goto out;
 895
 896         timeout = data->timeout;
 897         /*
 898          * Do not update last rx all the time to avoid cache bouncing
 899          * between the rx queues.
 900          * Update it every timeout. Worst case is the session will
 901          * expire after ~ 2 * timeout, which doesn't matter that much.
 902          */
 903         if (time_before(data->last_rx + TU_TO_JIFFIES(timeout), now))
 904                 /* Update is atomic */
 905                 data->last_rx = now;
 906
 907 out:
 908         rcu_read_unlock();
 909 }
 910
 911 static void iwl_mvm_flip_address(u8 *addr)
 912 {
 913         int i;
 914         u8 mac_addr[ETH_ALEN];
 915
 916         for (i = 0; i < ETH_ALEN; i++)
 917                 mac_addr[i] = addr[ETH_ALEN - i - 1];
 918         ether_addr_copy(addr, mac_addr);
 919 }
 920
 921 struct iwl_mvm_rx_phy_data {
 922         enum iwl_rx_phy_info_type info_type;
 923         __le32 d0, d1, d2, d3, eht_d4, d5;
 924         __le16 d4;
 925         bool with_data;
 926         bool first_subframe;
 927         __le32 rx_vec[4];
 928
 929         u32 rate_n_flags;
 930         u32 gp2_on_air_rise;
 931         u16 phy_info;
 932         u8 energy_a, energy_b;
 933         u8 channel;
 934 };
 935
 936 static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm *mvm,
 937                                      struct iwl_mvm_rx_phy_data *phy_data,
 938                                      struct ieee80211_radiotap_he_mu *he_mu)
 939 {
 940         u32 phy_data2 = le32_to_cpu(phy_data->d2);
 941         u32 phy_data3 = le32_to_cpu(phy_data->d3);
 942         u16 phy_data4 = le16_to_cpu(phy_data->d4);
 943         u32 rate_n_flags = phy_data->rate_n_flags;
 944
 945         if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK, phy_data4)) {
 946                 he_mu->flags1 |=
 947                         cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN |
 948                                     IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN);
 949
 950                 he_mu->flags1 |=
 951                         le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU,
 952                                                    phy_data4),
 953                                          IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU);
 954
 955                 he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0,
 956                                              phy_data2);
 957                 he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1,
 958                                              phy_data3);
 959                 he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2,
 960                                              phy_data2);
 961                 he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3,
 962                                              phy_data3);
 963         }
 964
 965         if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK, phy_data4) &&
 966             (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) != RATE_MCS_CHAN_WIDTH_20) {
 967                 he_mu->flags1 |=
 968                         cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN |
 969                                     IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN);
 970
 971                 he_mu->flags2 |=
 972                         le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU,
 973                                                    phy_data4),
 974                                          IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU);
 975
 976                 he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0,
 977                                              phy_data2);
 978                 he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1,
 979                                              phy_data3);
 980                 he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2,
 981                                              phy_data2);
 982                 he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3,
 983                                              phy_data3);
 984         }
 985 }
 986
 987 static void
 988 iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
 989                                struct ieee80211_radiotap_he *he,
 990                                struct ieee80211_radiotap_he_mu *he_mu,
 991                                struct ieee80211_rx_status *rx_status)
 992 {
 993         /*
 994          * Unfortunately, we have to leave the mac80211 data
 995          * incorrect for the case that we receive an HE-MU
 996          * transmission and *don't* have the HE phy data (due
 997          * to the bits being used for TSF). This shouldn't
 998          * happen though as management frames where we need
 999          * the TSF/timers are not be transmitted in HE-MU.
1000          */
1001         u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK);
1002         u32 rate_n_flags = phy_data->rate_n_flags;
1003         u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK_V1;
1004         u8 offs = 0;
1005
1006         rx_status->bw = RATE_INFO_BW_HE_RU;
1007
1008         he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1009
1010         switch (ru) {
1011         case 0 ... 36:
1012                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
1013                 offs = ru;
1014                 break;
1015         case 37 ... 52:
1016                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
1017                 offs = ru - 37;
1018                 break;
1019         case 53 ... 60:
1020                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1021                 offs = ru - 53;
1022                 break;
1023         case 61 ... 64:
1024                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
1025                 offs = ru - 61;
1026                 break;
1027         case 65 ... 66:
1028                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
1029                 offs = ru - 65;
1030                 break;
1031         case 67:
1032                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
1033                 break;
1034         case 68:
1035                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
1036                 break;
1037         }
1038         he->data2 |= le16_encode_bits(offs,
1039                                       IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
1040         he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
1041                                  IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
1042         if (phy_data->d1 & cpu_to_le32(IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80))
1043                 he->data2 |=
1044                         cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
1045
1046 #define CHECK_BW(bw) \
1047         BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
1048                      RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS); \
1049         BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_ ## bw ## MHZ != \
1050                      RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
1051         CHECK_BW(20);
1052         CHECK_BW(40);
1053         CHECK_BW(80);
1054         CHECK_BW(160);
1055
1056         if (he_mu)
1057                 he_mu->flags2 |=
1058                         le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1,
1059                                                    rate_n_flags),
1060                                          IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
1061         else if (he_type == RATE_MCS_HE_TYPE_TRIG_V1)
1062                 he->data6 |=
1063                         cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN) |
1064                         le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1,
1065                                                    rate_n_flags),
1066                                          IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW);
1067 }
1068
1069 static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
1070                                        struct iwl_mvm_rx_phy_data *phy_data,
1071                                        struct ieee80211_radiotap_he *he,
1072                                        struct ieee80211_radiotap_he_mu *he_mu,
1073                                        struct ieee80211_rx_status *rx_status,
1074                                        int queue)
1075 {
1076         switch (phy_data->info_type) {
1077         case IWL_RX_PHY_INFO_TYPE_NONE:
1078         case IWL_RX_PHY_INFO_TYPE_CCK:
1079         case IWL_RX_PHY_INFO_TYPE_OFDM_LGCY:
1080         case IWL_RX_PHY_INFO_TYPE_HT:
1081         case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1082         case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1083         case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1084         case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1085         case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1086         case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
1087                 return;
1088         case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1089                 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
1090                                          IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN |
1091                                          IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN |
1092                                          IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN);
1093                 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1094                                                             IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1),
1095                                               IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1);
1096                 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1097                                                             IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2),
1098                                               IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2);
1099                 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1100                                                             IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3),
1101                                               IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3);
1102                 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d2,
1103                                                             IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4),
1104                                               IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4);
1105                 fallthrough;
1106         case IWL_RX_PHY_INFO_TYPE_HE_SU:
1107         case IWL_RX_PHY_INFO_TYPE_HE_MU:
1108         case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1109         case IWL_RX_PHY_INFO_TYPE_HE_TB:
1110                 /* HE common */
1111                 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN |
1112                                          IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN |
1113                                          IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN);
1114                 he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN |
1115                                          IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN |
1116                                          IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN |
1117                                          IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
1118                 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1119                                                             IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK),
1120                                               IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR);
1121                 if (phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB &&
1122                     phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB_EXT) {
1123                         he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN);
1124                         he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1125                                                             IWL_RX_PHY_DATA0_HE_UPLINK),
1126                                                       IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
1127                 }
1128                 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1129                                                             IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM),
1130                                               IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG);
1131                 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1132                                                             IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK),
1133                                               IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD);
1134                 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1135                                                             IWL_RX_PHY_DATA0_HE_PE_DISAMBIG),
1136                                               IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG);
1137                 he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d1,
1138                                                             IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK),
1139                                               IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
1140                 he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1141                                                             IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK),
1142                                               IEEE80211_RADIOTAP_HE_DATA6_TXOP);
1143                 he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1144                                                             IWL_RX_PHY_DATA0_HE_DOPPLER),
1145                                               IEEE80211_RADIOTAP_HE_DATA6_DOPPLER);
1146                 break;
1147         }
1148
1149         switch (phy_data->info_type) {
1150         case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1151         case IWL_RX_PHY_INFO_TYPE_HE_MU:
1152         case IWL_RX_PHY_INFO_TYPE_HE_SU:
1153                 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN);
1154                 he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1155                                                             IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK),
1156                                               IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE);
1157                 break;
1158         default:
1159                 /* nothing here */
1160                 break;
1161         }
1162
1163         switch (phy_data->info_type) {
1164         case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1165                 he_mu->flags1 |=
1166                         le16_encode_bits(le16_get_bits(phy_data->d4,
1167                                                        IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM),
1168                                          IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
1169                 he_mu->flags1 |=
1170                         le16_encode_bits(le16_get_bits(phy_data->d4,
1171                                                        IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK),
1172                                          IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
1173                 he_mu->flags2 |=
1174                         le16_encode_bits(le16_get_bits(phy_data->d4,
1175                                                        IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK),
1176                                          IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
1177                 iwl_mvm_decode_he_mu_ext(mvm, phy_data, he_mu);
1178                 fallthrough;
1179         case IWL_RX_PHY_INFO_TYPE_HE_MU:
1180                 he_mu->flags2 |=
1181                         le16_encode_bits(le32_get_bits(phy_data->d1,
1182                                                        IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK),
1183                                          IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
1184                 he_mu->flags2 |=
1185                         le16_encode_bits(le32_get_bits(phy_data->d1,
1186                                                        IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION),
1187                                          IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
1188                 fallthrough;
1189         case IWL_RX_PHY_INFO_TYPE_HE_TB:
1190         case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1191                 iwl_mvm_decode_he_phy_ru_alloc(phy_data, he, he_mu, rx_status);
1192                 break;
1193         case IWL_RX_PHY_INFO_TYPE_HE_SU:
1194                 he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN);
1195                 he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0,
1196                                                             IWL_RX_PHY_DATA0_HE_BEAM_CHNG),
1197                                               IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE);
1198                 break;
1199         default:
1200                 /* nothing */
1201                 break;
1202         }
1203 }
1204
1205 #define LE32_DEC_ENC(value, dec_bits, enc_bits) \
1206         le32_encode_bits(le32_get_bits(value, dec_bits), enc_bits)
1207
1208 #define IWL_MVM_ENC_USIG_VALUE_MASK(usig, in_value, dec_bits, enc_bits) do { \
1209         typeof(enc_bits) _enc_bits = enc_bits; \
1210         typeof(usig) _usig = usig; \
1211         (_usig)->mask |= cpu_to_le32(_enc_bits); \
1212         (_usig)->value |= LE32_DEC_ENC(in_value, dec_bits, _enc_bits); \
1213 } while (0)
1214
1215 #define __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) \
1216         eht->data[(rt_data)] |= \
1217                 (cpu_to_le32 \
1218                  (IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru ## _KNOWN) | \
1219                  LE32_DEC_ENC(data ## fw_data, \
1220                               IWL_RX_PHY_DATA ## fw_data ## _EHT_MU_EXT_RU_ALLOC_ ## fw_ru, \
1221                               IEEE80211_RADIOTAP_EHT_DATA ## rt_data ## _RU_ALLOC_CC_ ## rt_ru))
1222
1223 #define _IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru)     \
1224         __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru)
1225
1226 #define IEEE80211_RADIOTAP_RU_DATA_1_1_1        1
1227 #define IEEE80211_RADIOTAP_RU_DATA_2_1_1        2
1228 #define IEEE80211_RADIOTAP_RU_DATA_1_1_2        2
1229 #define IEEE80211_RADIOTAP_RU_DATA_2_1_2        2
1230 #define IEEE80211_RADIOTAP_RU_DATA_1_2_1        3
1231 #define IEEE80211_RADIOTAP_RU_DATA_2_2_1        3
1232 #define IEEE80211_RADIOTAP_RU_DATA_1_2_2        3
1233 #define IEEE80211_RADIOTAP_RU_DATA_2_2_2        4
1234
1235 #define IWL_RX_RU_DATA_A1                       2
1236 #define IWL_RX_RU_DATA_A2                       2
1237 #define IWL_RX_RU_DATA_B1                       2
1238 #define IWL_RX_RU_DATA_B2                       4
1239 #define IWL_RX_RU_DATA_C1                       3
1240 #define IWL_RX_RU_DATA_C2                       3
1241 #define IWL_RX_RU_DATA_D1                       4
1242 #define IWL_RX_RU_DATA_D2                       4
1243
1244 #define IWL_MVM_ENC_EHT_RU(rt_ru, fw_ru)                                \
1245         _IWL_MVM_ENC_EHT_RU(IEEE80211_RADIOTAP_RU_DATA_ ## rt_ru,       \
1246                             rt_ru,                                      \
1247                             IWL_RX_RU_DATA_ ## fw_ru,                   \
1248                             fw_ru)
1249
1250 static void iwl_mvm_decode_eht_ext_mu(struct iwl_mvm *mvm,
1251                                       struct iwl_mvm_rx_phy_data *phy_data,
1252                                       struct ieee80211_rx_status *rx_status,
1253                                       struct ieee80211_radiotap_eht *eht,
1254                                       struct ieee80211_radiotap_eht_usig *usig)
1255 {
1256         if (phy_data->with_data) {
1257                 __le32 data1 = phy_data->d1;
1258                 __le32 data2 = phy_data->d2;
1259                 __le32 data3 = phy_data->d3;
1260                 __le32 data4 = phy_data->eht_d4;
1261                 __le32 data5 = phy_data->d5;
1262                 u32 phy_bw = phy_data->rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK;
1263
1264                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1265                                             IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1266                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1267                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1268                                             IWL_RX_PHY_DATA5_EHT_MU_PUNC_CH_CODE,
1269                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1270                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data4,
1271                                             IWL_RX_PHY_DATA4_EHT_MU_EXT_SIGB_MCS,
1272                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1273                 IWL_MVM_ENC_USIG_VALUE_MASK
1274                         (usig, data1, IWL_RX_PHY_DATA1_EHT_MU_NUM_SIG_SYM_USIGA2,
1275                          IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1276
1277                 eht->user_info[0] |=
1278                         cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN) |
1279                         LE32_DEC_ENC(data5, IWL_RX_PHY_DATA5_EHT_MU_STA_ID_USR,
1280                                      IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID);
1281
1282                 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M);
1283                 eht->data[7] |= LE32_DEC_ENC
1284                         (data5, IWL_RX_PHY_DATA5_EHT_MU_NUM_USR_NON_OFDMA,
1285                          IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS);
1286
1287                 /*
1288                  * Hardware labels the content channels/RU allocation values
1289                  * as follows:
1290                  *           Content Channel 1          Content Channel 2
1291                  *   20 MHz: A1
1292                  *   40 MHz: A1                         B1
1293                  *   80 MHz: A1 C1                      B1 D1
1294                  *  160 MHz: A1 C1 A2 C2                B1 D1 B2 D2
1295                  *  320 MHz: A1 C1 A2 C2 A3 C3 A4 C4    B1 D1 B2 D2 B3 D3 B4 D4
1296                  *
1297                  * However firmware can only give us A1-D2, so the higher
1298                  * frequencies are missing.
1299                  */
1300
1301                 switch (phy_bw) {
1302                 case RATE_MCS_CHAN_WIDTH_320:
1303                         /* additional values are missing in RX metadata */
1304                 case RATE_MCS_CHAN_WIDTH_160:
1305                         /* content channel 1 */
1306                         IWL_MVM_ENC_EHT_RU(1_2_1, A2);
1307                         IWL_MVM_ENC_EHT_RU(1_2_2, C2);
1308                         /* content channel 2 */
1309                         IWL_MVM_ENC_EHT_RU(2_2_1, B2);
1310                         IWL_MVM_ENC_EHT_RU(2_2_2, D2);
1311                         fallthrough;
1312                 case RATE_MCS_CHAN_WIDTH_80:
1313                         /* content channel 1 */
1314                         IWL_MVM_ENC_EHT_RU(1_1_2, C1);
1315                         /* content channel 2 */
1316                         IWL_MVM_ENC_EHT_RU(2_1_2, D1);
1317                         fallthrough;
1318                 case RATE_MCS_CHAN_WIDTH_40:
1319                         /* content channel 2 */
1320                         IWL_MVM_ENC_EHT_RU(2_1_1, B1);
1321                         fallthrough;
1322                 case RATE_MCS_CHAN_WIDTH_20:
1323                         IWL_MVM_ENC_EHT_RU(1_1_1, A1);
1324                         break;
1325                 }
1326         } else {
1327                 __le32 usig_a1 = phy_data->rx_vec[0];
1328                 __le32 usig_a2 = phy_data->rx_vec[1];
1329
1330                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1331                                             IWL_RX_USIG_A1_DISREGARD,
1332                                             IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD);
1333                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1334                                             IWL_RX_USIG_A1_VALIDATE,
1335                                             IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE);
1336                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1337                                             IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1338                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE);
1339                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1340                                             IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1341                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE);
1342                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1343                                             IWL_RX_USIG_A2_EHT_PUNC_CHANNEL,
1344                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO);
1345                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1346                                             IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B8,
1347                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE);
1348                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1349                                             IWL_RX_USIG_A2_EHT_SIG_MCS,
1350                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS);
1351                 IWL_MVM_ENC_USIG_VALUE_MASK
1352                         (usig, usig_a2, IWL_RX_USIG_A2_EHT_SIG_SYM_NUM,
1353                          IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS);
1354                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1355                                             IWL_RX_USIG_A2_EHT_CRC_OK,
1356                                             IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC);
1357         }
1358 }
1359
1360 static void iwl_mvm_decode_eht_ext_tb(struct iwl_mvm *mvm,
1361                                       struct iwl_mvm_rx_phy_data *phy_data,
1362                                       struct ieee80211_rx_status *rx_status,
1363                                       struct ieee80211_radiotap_eht *eht,
1364                                       struct ieee80211_radiotap_eht_usig *usig)
1365 {
1366         if (phy_data->with_data) {
1367                 __le32 data5 = phy_data->d5;
1368
1369                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1370                                             IWL_RX_PHY_DATA5_EHT_TYPE_AND_COMP,
1371                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1372                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1373                                             IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE1,
1374                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1375
1376                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, data5,
1377                                             IWL_RX_PHY_DATA5_EHT_TB_SPATIAL_REUSE2,
1378                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1379         } else {
1380                 __le32 usig_a1 = phy_data->rx_vec[0];
1381                 __le32 usig_a2 = phy_data->rx_vec[1];
1382
1383                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a1,
1384                                             IWL_RX_USIG_A1_DISREGARD,
1385                                             IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD);
1386                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1387                                             IWL_RX_USIG_A2_EHT_PPDU_TYPE,
1388                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE);
1389                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1390                                             IWL_RX_USIG_A2_EHT_USIG2_VALIDATE_B2,
1391                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE);
1392                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1393                                             IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_1,
1394                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1);
1395                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1396                                             IWL_RX_USIG_A2_EHT_TRIG_SPATIAL_REUSE_2,
1397                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2);
1398                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1399                                             IWL_RX_USIG_A2_EHT_TRIG_USIG2_DISREGARD,
1400                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD);
1401                 IWL_MVM_ENC_USIG_VALUE_MASK(usig, usig_a2,
1402                                             IWL_RX_USIG_A2_EHT_CRC_OK,
1403                                             IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC);
1404         }
1405 }
1406
1407 static void iwl_mvm_decode_eht_ru(struct iwl_mvm *mvm,
1408                                   struct ieee80211_rx_status *rx_status,
1409                                   struct ieee80211_radiotap_eht *eht)
1410 {
1411         u32 ru = le32_get_bits(eht->data[8],
1412                                IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1413         enum nl80211_eht_ru_alloc nl_ru;
1414
1415         /* Using D1.5 Table 9-53a - Encoding of PS160 and RU Allocation subfields
1416          * in an EHT variant User Info field
1417          */
1418
1419         switch (ru) {
1420         case 0 ... 36:
1421                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_26;
1422                 break;
1423         case 37 ... 52:
1424                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52;
1425                 break;
1426         case 53 ... 60:
1427                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106;
1428                 break;
1429         case 61 ... 64:
1430                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_242;
1431                 break;
1432         case 65 ... 66:
1433                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484;
1434                 break;
1435         case 67:
1436                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996;
1437                 break;
1438         case 68:
1439                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996;
1440                 break;
1441         case 69:
1442                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_4x996;
1443                 break;
1444         case 70 ... 81:
1445                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_52P26;
1446                 break;
1447         case 82 ... 89:
1448                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_106P26;
1449                 break;
1450         case 90 ... 93:
1451                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_484P242;
1452                 break;
1453         case 94 ... 95:
1454                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484;
1455                 break;
1456         case 96 ... 99:
1457                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_996P484P242;
1458                 break;
1459         case 100 ... 103:
1460                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_2x996P484;
1461                 break;
1462         case 104:
1463                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996;
1464                 break;
1465         case 105 ... 106:
1466                 nl_ru = NL80211_RATE_INFO_EHT_RU_ALLOC_3x996P484;
1467                 break;
1468         default:
1469                 return;
1470         }
1471
1472         rx_status->bw = RATE_INFO_BW_EHT_RU;
1473         rx_status->eht.ru = nl_ru;
1474 }
1475
1476 static void iwl_mvm_decode_eht_phy_data(struct iwl_mvm *mvm,
1477                                         struct iwl_mvm_rx_phy_data *phy_data,
1478                                         struct ieee80211_rx_status *rx_status,
1479                                         struct ieee80211_radiotap_eht *eht,
1480                                         struct ieee80211_radiotap_eht_usig *usig)
1481
1482 {
1483         __le32 data0 = phy_data->d0;
1484         __le32 data1 = phy_data->d1;
1485         __le32 usig_a1 = phy_data->rx_vec[0];
1486         u8 info_type = phy_data->info_type;
1487
1488         /* Not in EHT range */
1489         if (info_type < IWL_RX_PHY_INFO_TYPE_EHT_MU ||
1490             info_type > IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT)
1491                 return;
1492
1493         usig->common |= cpu_to_le32
1494                 (IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN |
1495                  IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN);
1496         if (phy_data->with_data) {
1497                 usig->common |= LE32_DEC_ENC(data0,
1498                                              IWL_RX_PHY_DATA0_EHT_UPLINK,
1499                                              IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1500                 usig->common |= LE32_DEC_ENC(data0,
1501                                              IWL_RX_PHY_DATA0_EHT_BSS_COLOR_MASK,
1502                                              IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1503         } else {
1504                 usig->common |= LE32_DEC_ENC(usig_a1,
1505                                              IWL_RX_USIG_A1_UL_FLAG,
1506                                              IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL);
1507                 usig->common |= LE32_DEC_ENC(usig_a1,
1508                                              IWL_RX_USIG_A1_BSS_COLOR,
1509                                              IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR);
1510         }
1511
1512         if (fw_has_capa(&mvm->fw->ucode_capa,
1513                         IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT)) {
1514                 usig->common |=
1515                         cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED);
1516                 usig->common |=
1517                         LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_VALIDATE,
1518                                      IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK);
1519         }
1520
1521         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE);
1522         eht->data[0] |= LE32_DEC_ENC(data0,
1523                                      IWL_RX_PHY_DATA0_ETH_SPATIAL_REUSE_MASK,
1524                                      IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE);
1525
1526         /* All RU allocating size/index is in TB format */
1527         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT);
1528         eht->data[8] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PS160,
1529                                      IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160);
1530         eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B0,
1531                                      IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0);
1532         eht->data[8] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_RU_ALLOC_B1_B7,
1533                                      IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1);
1534
1535         iwl_mvm_decode_eht_ru(mvm, rx_status, eht);
1536
1537         /* We only get here in case of IWL_RX_MPDU_PHY_TSF_OVERLOAD is set
1538          * which is on only in case of monitor mode so no need to check monitor
1539          * mode
1540          */
1541         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80);
1542         eht->data[1] |=
1543                 le32_encode_bits(mvm->monitor_p80,
1544                                  IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80);
1545
1546         usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN);
1547         if (phy_data->with_data)
1548                 usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_TXOP_DUR_MASK,
1549                                              IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1550         else
1551                 usig->common |= LE32_DEC_ENC(usig_a1, IWL_RX_USIG_A1_TXOP_DURATION,
1552                                              IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP);
1553
1554         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM);
1555         eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_LDPC_EXT_SYM,
1556                                      IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM);
1557
1558         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM);
1559         eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PRE_FEC_PAD_MASK,
1560                                     IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM);
1561
1562         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM);
1563         eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PE_DISAMBIG,
1564                                      IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM);
1565
1566         /* TODO: what about IWL_RX_PHY_DATA0_EHT_BW320_SLOT */
1567
1568         if (!le32_get_bits(data0, IWL_RX_PHY_DATA0_EHT_SIGA_CRC_OK))
1569                 usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC);
1570
1571         usig->common |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN);
1572         usig->common |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_PHY_VER,
1573                                      IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER);
1574
1575         /*
1576          * TODO: what about TB - IWL_RX_PHY_DATA1_EHT_TB_PILOT_TYPE,
1577          *                       IWL_RX_PHY_DATA1_EHT_TB_LOW_SS
1578          */
1579
1580         eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF);
1581         eht->data[0] |= LE32_DEC_ENC(data1, IWL_RX_PHY_DATA1_EHT_SIG_LTF_NUM,
1582                                      IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF);
1583
1584         if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT ||
1585             info_type == IWL_RX_PHY_INFO_TYPE_EHT_TB)
1586                 iwl_mvm_decode_eht_ext_tb(mvm, phy_data, rx_status, eht, usig);
1587
1588         if (info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT ||
1589             info_type == IWL_RX_PHY_INFO_TYPE_EHT_MU)
1590                 iwl_mvm_decode_eht_ext_mu(mvm, phy_data, rx_status, eht, usig);
1591 }
1592
1593 static void iwl_mvm_rx_eht(struct iwl_mvm *mvm, struct sk_buff *skb,
1594                            struct iwl_mvm_rx_phy_data *phy_data,
1595                            int queue)
1596 {
1597         struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1598
1599         struct ieee80211_radiotap_eht *eht;
1600         struct ieee80211_radiotap_eht_usig *usig;
1601         size_t eht_len = sizeof(*eht);
1602
1603         u32 rate_n_flags = phy_data->rate_n_flags;
1604         u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1605         /* EHT and HE have the same valus for LTF */
1606         u8 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1607         u16 phy_info = phy_data->phy_info;
1608         u32 bw;
1609
1610         /* u32 for 1 user_info */
1611         if (phy_data->with_data)
1612                 eht_len += sizeof(u32);
1613
1614         eht = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT, eht_len);
1615
1616         usig = iwl_mvm_radiotap_put_tlv(skb, IEEE80211_RADIOTAP_EHT_USIG,
1617                                         sizeof(*usig));
1618         rx_status->flag |= RX_FLAG_RADIOTAP_TLV_AT_END;
1619         usig->common |=
1620                 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN);
1621
1622         /* specific handling for 320MHz */
1623         bw = FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags);
1624         if (bw == RATE_MCS_CHAN_WIDTH_320_VAL)
1625                 bw += FIELD_GET(IWL_RX_PHY_DATA0_EHT_BW320_SLOT,
1626                                 le32_to_cpu(phy_data->d0));
1627
1628         usig->common |= cpu_to_le32
1629                 (FIELD_PREP(IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW, bw));
1630
1631         /* report the AMPDU-EOF bit on single frames */
1632         if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1633                 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1634                 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1635                 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1636                         rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1637         }
1638
1639         /* update aggregation data for monitor sake on default queue */
1640         if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
1641             (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1642                 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1643                 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1644                         rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1645         }
1646
1647         if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1648                 iwl_mvm_decode_eht_phy_data(mvm, phy_data, rx_status, eht, usig);
1649
1650 #define CHECK_TYPE(F)                                                   \
1651         BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F !=        \
1652                      (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1653
1654         CHECK_TYPE(SU);
1655         CHECK_TYPE(EXT_SU);
1656         CHECK_TYPE(MU);
1657         CHECK_TYPE(TRIG);
1658
1659         switch (FIELD_GET(RATE_MCS_HE_GI_LTF_MSK, rate_n_flags)) {
1660         case 0:
1661                 if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1662                         rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1663                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1664                 } else {
1665                         rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1666                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1667                 }
1668                 break;
1669         case 1:
1670                 rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_1_6;
1671                 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1672                 break;
1673         case 2:
1674                 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1675                 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1676                         rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1677                 else
1678                         rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_0_8;
1679                 break;
1680         case 3:
1681                 if (he_type != RATE_MCS_HE_TYPE_TRIG) {
1682                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1683                         rx_status->eht.gi = NL80211_RATE_INFO_EHT_GI_3_2;
1684                 }
1685                 break;
1686         default:
1687                 /* nothing here */
1688                 break;
1689         }
1690
1691         if (ltf != IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN) {
1692                 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_GI);
1693                 eht->data[0] |= cpu_to_le32
1694                         (FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_LTF,
1695                                     ltf) |
1696                          FIELD_PREP(IEEE80211_RADIOTAP_EHT_DATA0_GI,
1697                                     rx_status->eht.gi));
1698         }
1699
1700
1701         if (!phy_data->with_data) {
1702                 eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S |
1703                                           IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S);
1704                 eht->data[7] |=
1705                         le32_encode_bits(le32_get_bits(phy_data->rx_vec[2],
1706                                                        RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK),
1707                                          IEEE80211_RADIOTAP_EHT_DATA7_NSS_S);
1708                 if (rate_n_flags & RATE_MCS_BF_MSK)
1709                         eht->data[7] |=
1710                                 cpu_to_le32(IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S);
1711         } else {
1712                 eht->user_info[0] |=
1713                         cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN |
1714                                     IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN |
1715                                     IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O |
1716                                     IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O |
1717                                     IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER);
1718
1719                 if (rate_n_flags & RATE_MCS_BF_MSK)
1720                         eht->user_info[0] |=
1721                                 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O);
1722
1723                 if (rate_n_flags & RATE_MCS_LDPC_MSK)
1724                         eht->user_info[0] |=
1725                                 cpu_to_le32(IEEE80211_RADIOTAP_EHT_USER_INFO_CODING);
1726
1727                 eht->user_info[0] |= cpu_to_le32
1728                         (FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_MCS,
1729                                     FIELD_GET(RATE_VHT_MCS_RATE_CODE_MSK,
1730                                               rate_n_flags)) |
1731                          FIELD_PREP(IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O,
1732                                     FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags)));
1733         }
1734 }
1735
1736 static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
1737                           struct iwl_mvm_rx_phy_data *phy_data,
1738                           int queue)
1739 {
1740         struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1741         struct ieee80211_radiotap_he *he = NULL;
1742         struct ieee80211_radiotap_he_mu *he_mu = NULL;
1743         u32 rate_n_flags = phy_data->rate_n_flags;
1744         u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
1745         u8 ltf;
1746         static const struct ieee80211_radiotap_he known = {
1747                 .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
1748                                      IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
1749                                      IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN |
1750                                      IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN),
1751                 .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN |
1752                                      IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN),
1753         };
1754         static const struct ieee80211_radiotap_he_mu mu_known = {
1755                 .flags1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN |
1756                                       IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN |
1757                                       IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN |
1758                                       IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN),
1759                 .flags2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN |
1760                                       IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
1761         };
1762         u16 phy_info = phy_data->phy_info;
1763
1764         he = skb_put_data(skb, &known, sizeof(known));
1765         rx_status->flag |= RX_FLAG_RADIOTAP_HE;
1766
1767         if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU ||
1768             phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU_EXT) {
1769                 he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known));
1770                 rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU;
1771         }
1772
1773         /* report the AMPDU-EOF bit on single frames */
1774         if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
1775                 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
1776                 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1777                 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF))
1778                         rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1779         }
1780
1781         if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1782                 iwl_mvm_decode_he_phy_data(mvm, phy_data, he, he_mu, rx_status,
1783                                            queue);
1784
1785         /* update aggregation data for monitor sake on default queue */
1786         if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) &&
1787             (phy_info & IWL_RX_MPDU_PHY_AMPDU) && phy_data->first_subframe) {
1788                 rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
1789                 if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_EHT_DELIM_EOF))
1790                         rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
1791         }
1792
1793         if (he_type == RATE_MCS_HE_TYPE_EXT_SU &&
1794             rate_n_flags & RATE_MCS_HE_106T_MSK) {
1795                 rx_status->bw = RATE_INFO_BW_HE_RU;
1796                 rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
1797         }
1798
1799         /* actually data is filled in mac80211 */
1800         if (he_type == RATE_MCS_HE_TYPE_SU ||
1801             he_type == RATE_MCS_HE_TYPE_EXT_SU)
1802                 he->data1 |=
1803                         cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
1804
1805 #define CHECK_TYPE(F)                                                   \
1806         BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_ ## F !=        \
1807                      (RATE_MCS_HE_TYPE_ ## F >> RATE_MCS_HE_TYPE_POS))
1808
1809         CHECK_TYPE(SU);
1810         CHECK_TYPE(EXT_SU);
1811         CHECK_TYPE(MU);
1812         CHECK_TYPE(TRIG);
1813
1814         he->data1 |= cpu_to_le16(he_type >> RATE_MCS_HE_TYPE_POS);
1815
1816         if (rate_n_flags & RATE_MCS_BF_MSK)
1817                 he->data5 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA5_TXBF);
1818
1819         switch ((rate_n_flags & RATE_MCS_HE_GI_LTF_MSK) >>
1820                 RATE_MCS_HE_GI_LTF_POS) {
1821         case 0:
1822                 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1823                         rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1824                 else
1825                         rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1826                 if (he_type == RATE_MCS_HE_TYPE_MU)
1827                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1828                 else
1829                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
1830                 break;
1831         case 1:
1832                 if (he_type == RATE_MCS_HE_TYPE_TRIG)
1833                         rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1834                 else
1835                         rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1836                 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1837                 break;
1838         case 2:
1839                 if (he_type == RATE_MCS_HE_TYPE_TRIG) {
1840                         rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
1841                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1842                 } else {
1843                         rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
1844                         ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
1845                 }
1846                 break;
1847         case 3:
1848                 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
1849                 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1850                 break;
1851         case 4:
1852                 rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
1853                 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
1854                 break;
1855         default:
1856                 ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN;
1857         }
1858
1859         he->data5 |= le16_encode_bits(ltf,
1860                                       IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
1861 }
1862
1863 static void iwl_mvm_decode_lsig(struct sk_buff *skb,
1864                                 struct iwl_mvm_rx_phy_data *phy_data)
1865 {
1866         struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1867         struct ieee80211_radiotap_lsig *lsig;
1868
1869         switch (phy_data->info_type) {
1870         case IWL_RX_PHY_INFO_TYPE_HT:
1871         case IWL_RX_PHY_INFO_TYPE_VHT_SU:
1872         case IWL_RX_PHY_INFO_TYPE_VHT_MU:
1873         case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
1874         case IWL_RX_PHY_INFO_TYPE_HE_SU:
1875         case IWL_RX_PHY_INFO_TYPE_HE_MU:
1876         case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
1877         case IWL_RX_PHY_INFO_TYPE_HE_TB:
1878         case IWL_RX_PHY_INFO_TYPE_EHT_MU:
1879         case IWL_RX_PHY_INFO_TYPE_EHT_TB:
1880         case IWL_RX_PHY_INFO_TYPE_EHT_MU_EXT:
1881         case IWL_RX_PHY_INFO_TYPE_EHT_TB_EXT:
1882                 lsig = skb_put(skb, sizeof(*lsig));
1883                 lsig->data1 = cpu_to_le16(IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN);
1884                 lsig->data2 = le16_encode_bits(le32_get_bits(phy_data->d1,
1885                                                              IWL_RX_PHY_DATA1_LSIG_LEN_MASK),
1886                                                IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH);
1887                 rx_status->flag |= RX_FLAG_RADIOTAP_LSIG;
1888                 break;
1889         default:
1890                 break;
1891         }
1892 }
1893
1894 static inline u8 iwl_mvm_nl80211_band_from_rx_msdu(u8 phy_band)
1895 {
1896         switch (phy_band) {
1897         case PHY_BAND_24:
1898                 return NL80211_BAND_2GHZ;
1899         case PHY_BAND_5:
1900                 return NL80211_BAND_5GHZ;
1901         case PHY_BAND_6:
1902                 return NL80211_BAND_6GHZ;
1903         default:
1904                 WARN_ONCE(1, "Unsupported phy band (%u)\n", phy_band);
1905                 return NL80211_BAND_5GHZ;
1906         }
1907 }
1908
1909 struct iwl_rx_sta_csa {
1910         bool all_sta_unblocked;
1911         struct ieee80211_vif *vif;
1912 };
1913
1914 static void iwl_mvm_rx_get_sta_block_tx(void *data, struct ieee80211_sta *sta)
1915 {
1916         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1917         struct iwl_rx_sta_csa *rx_sta_csa = data;
1918
1919         if (mvmsta->vif != rx_sta_csa->vif)
1920                 return;
1921
1922         if (mvmsta->disable_tx)
1923                 rx_sta_csa->all_sta_unblocked = false;
1924 }
1925
1926 /*
1927  * Note: requires also rx_status->band to be prefilled, as well
1928  * as phy_data (apart from phy_data->info_type)
1929  */
1930 static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
1931                                    struct sk_buff *skb,
1932                                    struct iwl_mvm_rx_phy_data *phy_data,
1933                                    int queue)
1934 {
1935         struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1936         u32 rate_n_flags = phy_data->rate_n_flags;
1937         u8 stbc = u32_get_bits(rate_n_flags, RATE_MCS_STBC_MSK);
1938         u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
1939         bool is_sgi;
1940
1941         phy_data->info_type = IWL_RX_PHY_INFO_TYPE_NONE;
1942
1943         if (phy_data->phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD)
1944                 phy_data->info_type =
1945                         le32_get_bits(phy_data->d1,
1946                                       IWL_RX_PHY_DATA1_INFO_TYPE_MASK);
1947
1948         /* This may be overridden by iwl_mvm_rx_he() to HE_RU */
1949         switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
1950         case RATE_MCS_CHAN_WIDTH_20:
1951                 break;
1952         case RATE_MCS_CHAN_WIDTH_40:
1953                 rx_status->bw = RATE_INFO_BW_40;
1954                 break;
1955         case RATE_MCS_CHAN_WIDTH_80:
1956                 rx_status->bw = RATE_INFO_BW_80;
1957                 break;
1958         case RATE_MCS_CHAN_WIDTH_160:
1959                 rx_status->bw = RATE_INFO_BW_160;
1960                 break;
1961         case RATE_MCS_CHAN_WIDTH_320:
1962                 rx_status->bw = RATE_INFO_BW_320;
1963                 break;
1964         }
1965
1966         /* must be before L-SIG data */
1967         if (format == RATE_MCS_HE_MSK)
1968                 iwl_mvm_rx_he(mvm, skb, phy_data, queue);
1969
1970         iwl_mvm_decode_lsig(skb, phy_data);
1971
1972         rx_status->device_timestamp = phy_data->gp2_on_air_rise;
1973         rx_status->freq = ieee80211_channel_to_frequency(phy_data->channel,
1974                                                          rx_status->band);
1975         iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags,
1976                                     phy_data->energy_a, phy_data->energy_b);
1977
1978         /* using TLV format and must be after all fixed len fields */
1979         if (format == RATE_MCS_EHT_MSK)
1980                 iwl_mvm_rx_eht(mvm, skb, phy_data, queue);
1981
1982         if (unlikely(mvm->monitor_on))
1983                 iwl_mvm_add_rtap_sniffer_config(mvm, skb);
1984
1985         is_sgi = format == RATE_MCS_HE_MSK ?
1986                 iwl_he_is_sgi(rate_n_flags) :
1987                 rate_n_flags & RATE_MCS_SGI_MSK;
1988
1989         if (!(format == RATE_MCS_CCK_MSK) && is_sgi)
1990                 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
1991
1992         if (rate_n_flags & RATE_MCS_LDPC_MSK)
1993                 rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
1994
1995         switch (format) {
1996         case RATE_MCS_VHT_MSK:
1997                 rx_status->encoding = RX_ENC_VHT;
1998                 break;
1999         case RATE_MCS_HE_MSK:
2000                 rx_status->encoding = RX_ENC_HE;
2001                 rx_status->he_dcm =
2002                         !!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK);
2003                 break;
2004         case RATE_MCS_EHT_MSK:
2005                 rx_status->encoding = RX_ENC_EHT;
2006                 break;
2007         }
2008
2009         switch (format) {
2010         case RATE_MCS_HT_MSK:
2011                 rx_status->encoding = RX_ENC_HT;
2012                 rx_status->rate_idx = RATE_HT_MCS_INDEX(rate_n_flags);
2013                 rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
2014                 break;
2015         case RATE_MCS_VHT_MSK:
2016         case RATE_MCS_HE_MSK:
2017         case RATE_MCS_EHT_MSK:
2018                 rx_status->nss =
2019                         u32_get_bits(rate_n_flags, RATE_MCS_NSS_MSK) + 1;
2020                 rx_status->rate_idx = rate_n_flags & RATE_MCS_CODE_MSK;
2021                 rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
2022                 break;
2023         default: {
2024                 int rate = iwl_mvm_legacy_hw_idx_to_mac80211_idx(rate_n_flags,
2025                                                                  rx_status->band);
2026
2027                 rx_status->rate_idx = rate;
2028
2029                 if ((rate < 0 || rate > 0xFF)) {
2030                         rx_status->rate_idx = 0;
2031                         if (net_ratelimit())
2032                                 IWL_ERR(mvm, "Invalid rate flags 0x%x, band %d,\n",
2033                                         rate_n_flags, rx_status->band);
2034                 }
2035
2036                 break;
2037                 }
2038         }
2039 }
2040
2041 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
2042                         struct iwl_rx_cmd_buffer *rxb, int queue)
2043 {
2044         struct ieee80211_rx_status *rx_status;
2045         struct iwl_rx_packet *pkt = rxb_addr(rxb);
2046         struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
2047         struct ieee80211_hdr *hdr;
2048         u32 len;
2049         u32 pkt_len = iwl_rx_packet_payload_len(pkt);
2050         struct ieee80211_sta *sta = NULL;
2051         struct ieee80211_link_sta *link_sta = NULL;
2052         struct sk_buff *skb;
2053         u8 crypt_len = 0;
2054         size_t desc_size;
2055         struct iwl_mvm_rx_phy_data phy_data = {};
2056         u32 format;
2057
2058         if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2059                 return;
2060
2061         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
2062                 desc_size = sizeof(*desc);
2063         else
2064                 desc_size = IWL_RX_DESC_SIZE_V1;
2065
2066         if (unlikely(pkt_len < desc_size)) {
2067                 IWL_DEBUG_DROP(mvm, "Bad REPLY_RX_MPDU_CMD size\n");
2068                 return;
2069         }
2070
2071         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
2072                 phy_data.rate_n_flags = le32_to_cpu(desc->v3.rate_n_flags);
2073                 phy_data.channel = desc->v3.channel;
2074                 phy_data.gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise);
2075                 phy_data.energy_a = desc->v3.energy_a;
2076                 phy_data.energy_b = desc->v3.energy_b;
2077
2078                 phy_data.d0 = desc->v3.phy_data0;
2079                 phy_data.d1 = desc->v3.phy_data1;
2080                 phy_data.d2 = desc->v3.phy_data2;
2081                 phy_data.d3 = desc->v3.phy_data3;
2082                 phy_data.eht_d4 = desc->phy_eht_data4;
2083                 phy_data.d5 = desc->v3.phy_data5;
2084         } else {
2085                 phy_data.rate_n_flags = le32_to_cpu(desc->v1.rate_n_flags);
2086                 phy_data.channel = desc->v1.channel;
2087                 phy_data.gp2_on_air_rise = le32_to_cpu(desc->v1.gp2_on_air_rise);
2088                 phy_data.energy_a = desc->v1.energy_a;
2089                 phy_data.energy_b = desc->v1.energy_b;
2090
2091                 phy_data.d0 = desc->v1.phy_data0;
2092                 phy_data.d1 = desc->v1.phy_data1;
2093                 phy_data.d2 = desc->v1.phy_data2;
2094                 phy_data.d3 = desc->v1.phy_data3;
2095         }
2096
2097         if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
2098                                     REPLY_RX_MPDU_CMD, 0) < 4) {
2099                 phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags);
2100                 IWL_DEBUG_DROP(mvm, "Got old format rate, converting. New rate: 0x%x\n",
2101                                phy_data.rate_n_flags);
2102         }
2103
2104         format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
2105
2106         len = le16_to_cpu(desc->mpdu_len);
2107
2108         if (unlikely(len + desc_size > pkt_len)) {
2109                 IWL_DEBUG_DROP(mvm, "FW lied about packet len\n");
2110                 return;
2111         }
2112
2113         phy_data.with_data = true;
2114         phy_data.phy_info = le16_to_cpu(desc->phy_info);
2115         phy_data.d4 = desc->phy_data4;
2116
2117         hdr = (void *)(pkt->data + desc_size);
2118         /* Dont use dev_alloc_skb(), we'll have enough headroom once
2119          * ieee80211_hdr pulled.
2120          */
2121         skb = alloc_skb(128, GFP_ATOMIC);
2122         if (!skb) {
2123                 IWL_ERR(mvm, "alloc_skb failed\n");
2124                 return;
2125         }
2126
2127         if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
2128                 /*
2129                  * If the device inserted padding it means that (it thought)
2130                  * the 802.11 header wasn't a multiple of 4 bytes long. In
2131                  * this case, reserve two bytes at the start of the SKB to
2132                  * align the payload properly in case we end up copying it.
2133                  */
2134                 skb_reserve(skb, 2);
2135         }
2136
2137         rx_status = IEEE80211_SKB_RXCB(skb);
2138
2139         /*
2140          * Keep packets with CRC errors (and with overrun) for monitor mode
2141          * (otherwise the firmware discards them) but mark them as bad.
2142          */
2143         if (!(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_CRC_OK)) ||
2144             !(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_OVERRUN_OK))) {
2145                 IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n",
2146                              le32_to_cpu(desc->status));
2147                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
2148         }
2149
2150         /* set the preamble flag if appropriate */
2151         if (format == RATE_MCS_CCK_MSK &&
2152             phy_data.phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE)
2153                 rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
2154
2155         if (likely(!(phy_data.phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) {
2156                 u64 tsf_on_air_rise;
2157
2158                 if (mvm->trans->trans_cfg->device_family >=
2159                     IWL_DEVICE_FAMILY_AX210)
2160                         tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise);
2161                 else
2162                         tsf_on_air_rise = le64_to_cpu(desc->v1.tsf_on_air_rise);
2163
2164                 rx_status->mactime = tsf_on_air_rise;
2165                 /* TSF as indicated by the firmware is at INA time */
2166                 rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
2167         }
2168
2169         if (iwl_mvm_is_band_in_rx_supported(mvm)) {
2170                 u8 band = BAND_IN_RX_STATUS(desc->mac_phy_idx);
2171
2172                 rx_status->band = iwl_mvm_nl80211_band_from_rx_msdu(band);
2173         } else {
2174                 rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
2175                         NL80211_BAND_2GHZ;
2176         }
2177
2178         /* update aggregation data for monitor sake on default queue */
2179         if (!queue && (phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
2180                 bool toggle_bit;
2181
2182                 toggle_bit = phy_data.phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE;
2183                 rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
2184                 /*
2185                  * Toggle is switched whenever new aggregation starts. Make
2186                  * sure ampdu_reference is never 0 so we can later use it to
2187                  * see if the frame was really part of an A-MPDU or not.
2188                  */
2189                 if (toggle_bit != mvm->ampdu_toggle) {
2190                         mvm->ampdu_ref++;
2191                         if (mvm->ampdu_ref == 0)
2192                                 mvm->ampdu_ref++;
2193                         mvm->ampdu_toggle = toggle_bit;
2194                         phy_data.first_subframe = true;
2195                 }
2196                 rx_status->ampdu_reference = mvm->ampdu_ref;
2197         }
2198
2199         rcu_read_lock();
2200
2201         if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_SRC_STA_FOUND)) {
2202                 u8 id = le32_get_bits(desc->status, IWL_RX_MPDU_STATUS_STA_ID);
2203
2204                 if (!WARN_ON_ONCE(id >= mvm->fw->ucode_capa.num_stations)) {
2205                         sta = rcu_dereference(mvm->fw_id_to_mac_id[id]);
2206                         if (IS_ERR(sta))
2207                                 sta = NULL;
2208                         link_sta = rcu_dereference(mvm->fw_id_to_link_sta[id]);
2209                 }
2210         } else if (!is_multicast_ether_addr(hdr->addr2)) {
2211                 /*
2212                  * This is fine since we prevent two stations with the same
2213                  * address from being added.
2214                  */
2215                 sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
2216         }
2217
2218         if (iwl_mvm_rx_crypto(mvm, sta, hdr, rx_status, phy_data.phy_info, desc,
2219                               le32_to_cpu(pkt->len_n_flags), queue,
2220                               &crypt_len)) {
2221                 kfree_skb(skb);
2222                 goto out;
2223         }
2224
2225         iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue);
2226
2227         if (sta) {
2228                 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
2229                 struct ieee80211_vif *tx_blocked_vif =
2230                         rcu_dereference(mvm->csa_tx_blocked_vif);
2231                 u8 baid = (u8)((le32_to_cpu(desc->reorder_data) &
2232                                IWL_RX_MPDU_REORDER_BAID_MASK) >>
2233                                IWL_RX_MPDU_REORDER_BAID_SHIFT);
2234                 struct iwl_fw_dbg_trigger_tlv *trig;
2235                 struct ieee80211_vif *vif = mvmsta->vif;
2236
2237                 if (!mvm->tcm.paused && len >= sizeof(*hdr) &&
2238                     !is_multicast_ether_addr(hdr->addr1) &&
2239                     ieee80211_is_data(hdr->frame_control) &&
2240                     time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD))
2241                         schedule_delayed_work(&mvm->tcm.work, 0);
2242
2243                 /*
2244                  * We have tx blocked stations (with CS bit). If we heard
2245                  * frames from a blocked station on a new channel we can
2246                  * TX to it again.
2247                  */
2248                 if (unlikely(tx_blocked_vif) && tx_blocked_vif == vif) {
2249                         struct iwl_mvm_vif *mvmvif =
2250                                 iwl_mvm_vif_from_mac80211(tx_blocked_vif);
2251                         struct iwl_rx_sta_csa rx_sta_csa = {
2252                                 .all_sta_unblocked = true,
2253                                 .vif = tx_blocked_vif,
2254                         };
2255
2256                         if (mvmvif->csa_target_freq == rx_status->freq)
2257                                 iwl_mvm_sta_modify_disable_tx_ap(mvm, sta,
2258                                                                  false);
2259                         ieee80211_iterate_stations_atomic(mvm->hw,
2260                                                           iwl_mvm_rx_get_sta_block_tx,
2261                                                           &rx_sta_csa);
2262
2263                         if (rx_sta_csa.all_sta_unblocked) {
2264                                 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2265                                 /* Unblock BCAST / MCAST station */
2266                                 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
2267                                 cancel_delayed_work(&mvm->cs_tx_unblock_dwork);
2268                         }
2269                 }
2270
2271                 rs_update_last_rssi(mvm, mvmsta, rx_status);
2272
2273                 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
2274                                              ieee80211_vif_to_wdev(vif),
2275                                              FW_DBG_TRIGGER_RSSI);
2276
2277                 if (trig && ieee80211_is_beacon(hdr->frame_control)) {
2278                         struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
2279                         s32 rssi;
2280
2281                         rssi_trig = (void *)trig->data;
2282                         rssi = le32_to_cpu(rssi_trig->rssi);
2283
2284                         if (rx_status->signal < rssi)
2285                                 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
2286                                                         NULL);
2287                 }
2288
2289                 if (ieee80211_is_data(hdr->frame_control))
2290                         iwl_mvm_rx_csum(mvm, sta, skb, pkt);
2291
2292                 if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
2293                         IWL_DEBUG_DROP(mvm, "Dropping duplicate packet 0x%x\n",
2294                                        le16_to_cpu(hdr->seq_ctrl));
2295                         kfree_skb(skb);
2296                         goto out;
2297                 }
2298
2299                 /*
2300                  * Our hardware de-aggregates AMSDUs but copies the mac header
2301                  * as it to the de-aggregated MPDUs. We need to turn off the
2302                  * AMSDU bit in the QoS control ourselves.
2303                  * In addition, HW reverses addr3 and addr4 - reverse it back.
2304                  */
2305                 if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2306                     !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
2307                         u8 *qc = ieee80211_get_qos_ctl(hdr);
2308
2309                         *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
2310
2311                         if (mvm->trans->trans_cfg->device_family ==
2312                             IWL_DEVICE_FAMILY_9000) {
2313                                 iwl_mvm_flip_address(hdr->addr3);
2314
2315                                 if (ieee80211_has_a4(hdr->frame_control))
2316                                         iwl_mvm_flip_address(hdr->addr4);
2317                         }
2318                 }
2319                 if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) {
2320                         u32 reorder_data = le32_to_cpu(desc->reorder_data);
2321
2322                         iwl_mvm_agg_rx_received(mvm, reorder_data, baid);
2323                 }
2324         }
2325
2326         /* management stuff on default queue */
2327         if (!queue) {
2328                 if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
2329                               ieee80211_is_probe_resp(hdr->frame_control)) &&
2330                              mvm->sched_scan_pass_all ==
2331                              SCHED_SCAN_PASS_ALL_ENABLED))
2332                         mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
2333
2334                 if (unlikely(ieee80211_is_beacon(hdr->frame_control) ||
2335                              ieee80211_is_probe_resp(hdr->frame_control)))
2336                         rx_status->boottime_ns = ktime_get_boottime_ns();
2337         }
2338
2339         if (iwl_mvm_create_skb(mvm, skb, hdr, len, crypt_len, rxb)) {
2340                 kfree_skb(skb);
2341                 goto out;
2342         }
2343
2344         if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc) &&
2345             likely(!iwl_mvm_time_sync_frame(mvm, skb, hdr->addr2)) &&
2346             likely(!iwl_mvm_mei_filter_scan(mvm, skb))) {
2347                 if (mvm->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
2348                     (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
2349                     !(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME))
2350                         rx_status->flag |= RX_FLAG_AMSDU_MORE;
2351
2352                 iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta,
2353                                                 link_sta);
2354         }
2355 out:
2356         rcu_read_unlock();
2357 }
2358
2359 void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
2360                                 struct iwl_rx_cmd_buffer *rxb, int queue)
2361 {
2362         struct ieee80211_rx_status *rx_status;
2363         struct iwl_rx_packet *pkt = rxb_addr(rxb);
2364         struct iwl_rx_no_data_ver_3 *desc = (void *)pkt->data;
2365         u32 rssi;
2366         u32 info_type;
2367         struct ieee80211_sta *sta = NULL;
2368         struct sk_buff *skb;
2369         struct iwl_mvm_rx_phy_data phy_data;
2370         u32 format;
2371
2372         if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
2373                 return;
2374
2375         if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(struct iwl_rx_no_data)))
2376                 return;
2377
2378         rssi = le32_to_cpu(desc->rssi);
2379         info_type = le32_to_cpu(desc->info) & RX_NO_DATA_INFO_TYPE_MSK;
2380         phy_data.d0 = desc->phy_info[0];
2381         phy_data.d1 = desc->phy_info[1];
2382         phy_data.phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD;
2383         phy_data.gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time);
2384         phy_data.rate_n_flags = le32_to_cpu(desc->rate);
2385         phy_data.energy_a = u32_get_bits(rssi, RX_NO_DATA_CHAIN_A_MSK);
2386         phy_data.energy_b = u32_get_bits(rssi, RX_NO_DATA_CHAIN_B_MSK);
2387         phy_data.channel = u32_get_bits(rssi, RX_NO_DATA_CHANNEL_MSK);
2388         phy_data.with_data = false;
2389         phy_data.rx_vec[0] = desc->rx_vec[0];
2390         phy_data.rx_vec[1] = desc->rx_vec[1];
2391
2392         if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2393                                     RX_NO_DATA_NOTIF, 0) < 2) {
2394                 IWL_DEBUG_DROP(mvm, "Got an old rate format. Old rate: 0x%x\n",
2395                                phy_data.rate_n_flags);
2396                 phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags);
2397                 IWL_DEBUG_DROP(mvm, " Rate after conversion to the new format: 0x%x\n",
2398                                phy_data.rate_n_flags);
2399         }
2400
2401         format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
2402
2403         if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
2404                                     RX_NO_DATA_NOTIF, 0) >= 3) {
2405                 if (unlikely(iwl_rx_packet_payload_len(pkt) <
2406                     sizeof(struct iwl_rx_no_data_ver_3)))
2407                 /* invalid len for ver 3 */
2408                         return;
2409                 phy_data.rx_vec[2] = desc->rx_vec[2];
2410                 phy_data.rx_vec[3] = desc->rx_vec[3];
2411         } else {
2412                 if (format == RATE_MCS_EHT_MSK)
2413                         /* no support for EHT before version 3 API */
2414                         return;
2415         }
2416
2417         /* Dont use dev_alloc_skb(), we'll have enough headroom once
2418          * ieee80211_hdr pulled.
2419          */
2420         skb = alloc_skb(128, GFP_ATOMIC);
2421         if (!skb) {
2422                 IWL_ERR(mvm, "alloc_skb failed\n");
2423                 return;
2424         }
2425
2426         rx_status = IEEE80211_SKB_RXCB(skb);
2427
2428         /* 0-length PSDU */
2429         rx_status->flag |= RX_FLAG_NO_PSDU;
2430
2431         switch (info_type) {
2432         case RX_NO_DATA_INFO_TYPE_NDP:
2433                 rx_status->zero_length_psdu_type =
2434                         IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING;
2435                 break;
2436         case RX_NO_DATA_INFO_TYPE_MU_UNMATCHED:
2437         case RX_NO_DATA_INFO_TYPE_TB_UNMATCHED:
2438                 rx_status->zero_length_psdu_type =
2439                         IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED;
2440                 break;
2441         default:
2442                 rx_status->zero_length_psdu_type =
2443                         IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR;
2444                 break;
2445         }
2446
2447         rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ :
2448                 NL80211_BAND_2GHZ;
2449
2450         iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue);
2451
2452         /* no more radio tap info should be put after this point.
2453          *
2454          * We mark it as mac header, for upper layers to know where
2455          * all radio tap header ends.
2456          */
2457         skb_reset_mac_header(skb);
2458
2459         /*
2460          * Override the nss from the rx_vec since the rate_n_flags has
2461          * only 2 bits for the nss which gives a max of 4 ss but there
2462          * may be up to 8 spatial streams.
2463          */
2464         switch (format) {
2465         case RATE_MCS_VHT_MSK:
2466                 rx_status->nss =
2467                         le32_get_bits(desc->rx_vec[0],
2468                                       RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1;
2469                 break;
2470         case RATE_MCS_HE_MSK:
2471                 rx_status->nss =
2472                         le32_get_bits(desc->rx_vec[0],
2473                                       RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1;
2474                 break;
2475         case RATE_MCS_EHT_MSK:
2476                 rx_status->nss =
2477                         le32_get_bits(desc->rx_vec[2],
2478                                       RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK) + 1;
2479         }
2480
2481         rcu_read_lock();
2482         ieee80211_rx_napi(mvm->hw, sta, skb, napi);
2483         rcu_read_unlock();
2484 }
2485
2486 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2487                               struct iwl_rx_cmd_buffer *rxb, int queue)
2488 {
2489         struct iwl_rx_packet *pkt = rxb_addr(rxb);
2490         struct iwl_frame_release *release = (void *)pkt->data;
2491
2492         if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
2493                 return;
2494
2495         iwl_mvm_release_frames_from_notif(mvm, napi, release->baid,
2496                                           le16_to_cpu(release->nssn),
2497                                           queue);
2498 }
2499
2500 void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
2501                                   struct iwl_rx_cmd_buffer *rxb, int queue)
2502 {
2503         struct iwl_rx_packet *pkt = rxb_addr(rxb);
2504         struct iwl_bar_frame_release *release = (void *)pkt->data;
2505         unsigned int baid = le32_get_bits(release->ba_info,
2506                                           IWL_BAR_FRAME_RELEASE_BAID_MASK);
2507         unsigned int nssn = le32_get_bits(release->ba_info,
2508                                           IWL_BAR_FRAME_RELEASE_NSSN_MASK);
2509         unsigned int sta_id = le32_get_bits(release->sta_tid,
2510                                             IWL_BAR_FRAME_RELEASE_STA_MASK);
2511         unsigned int tid = le32_get_bits(release->sta_tid,
2512                                          IWL_BAR_FRAME_RELEASE_TID_MASK);
2513         struct iwl_mvm_baid_data *baid_data;
2514
2515         if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
2516                 return;
2517
2518         if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
2519                          baid >= ARRAY_SIZE(mvm->baid_map)))
2520                 return;
2521
2522         rcu_read_lock();
2523         baid_data = rcu_dereference(mvm->baid_map[baid]);
2524         if (!baid_data) {
2525                 IWL_DEBUG_RX(mvm,
2526                              "Got valid BAID %d but not allocated, invalid BAR release!\n",
2527                               baid);
2528                 goto out;
2529         }
2530
2531         if (WARN(tid != baid_data->tid || sta_id > IWL_MVM_STATION_COUNT_MAX ||
2532                  !(baid_data->sta_mask & BIT(sta_id)),
2533                  "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but BAR release received for sta:%d tid:%d\n",
2534                  baid, baid_data->sta_mask, baid_data->tid, sta_id,
2535                  tid))
2536                 goto out;
2537
2538         IWL_DEBUG_DROP(mvm, "Received a BAR, expect packet loss: nssn %d\n",
2539                        nssn);
2540
2541         iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue);
2542 out:
2543         rcu_read_unlock();
2544 }