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