/******************************************************************************
 *
 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
 * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
 * Copyright(c) 2018 Intel Corporation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#include "third_party/iwlwifi/iwl-trans.h"
#include "third_party/iwlwifi/mvm/fw-api.h"
#include "third_party/iwlwifi/mvm/mvm.h"
#include "third_party/iwlwifi/platform/ieee80211_include.h"
#include "third_party/iwlwifi/platform/rcu.h"

static bool is_multicast_ether_addr(uint8_t addr[6]) { return (addr[0] & 0x1) != 0; }

static inline zx_status_t iwl_mvm_check_pn(struct iwl_mvm* mvm, struct ieee80211_frame_header* hdr,
                                           struct ieee80211_rx_status* stats, int queue,
                                           struct iwl_mvm_sta* mvmsta) {
  struct iwl_mvm_key_pn* ptk_pn;
  int res;
  uint8_t tid, keyidx;
  uint8_t pn[fuchsia_wlan_ieee80211_CCMP_PN_LEN];

  /* do PN checking */

  /* multicast and non-data only arrives on default queue */
  if (!ieee80211_is_data(hdr) || is_multicast_ether_addr(hdr->addr1)) {
    return ZX_OK;
  }

  /* do not check PN for open AP */
  if (!(stats->flag & RX_FLAG_DECRYPTED)) {
    return ZX_OK;
  }

  /*
   * avoid checking for default queue - we don't want to replicate
   * all the logic that's necessary for checking the PN on fragmented
   * frames, leave that to mac80211
   */
  if (queue == 0) {
    return ZX_OK;
  }

  /* if we are here - this for sure is either CCMP or GCMP */
  if (mvmsta == NULL) {
    IWL_ERR(mvm, "expected hw-decrypted unicast frame for station\n");
    return ZX_ERR_BAD_STATE;
  }

  keyidx = stats->extiv[3] >> 6;

  ptk_pn = iwl_rcu_load(mvmsta->ptk_pn[keyidx]);
  if (!ptk_pn) {
    return ZX_ERR_BAD_STATE;
  }

  if (ieee80211_is_data_qos(hdr)) {
    tid = ieee80211_get_tid(hdr);
  } else {
    tid = 0;
  }

  /* we don't use HCCA/802.11 QoS TSPECs, so drop such frames */
  if (tid >= IWL_MAX_TID_COUNT) {
    return ZX_ERR_NOT_SUPPORTED;
  }

  /* load pn */
  pn[0] = stats->extiv[0];
  pn[1] = stats->extiv[1];
  pn[2] = stats->extiv[4];
  pn[3] = stats->extiv[5];
  pn[4] = stats->extiv[6];
  pn[5] = stats->extiv[7];

  res = memcmp(pn, ptk_pn->q[queue].pn[tid], fuchsia_wlan_ieee80211_CCMP_PN_LEN);
  if (res < 0) {
    return ZX_ERR_INVALID_ARGS;
  }
  if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN)) {
    return ZX_ERR_INVALID_ARGS;
  }

  memcpy(ptk_pn->q[queue].pn[tid], pn, fuchsia_wlan_ieee80211_CCMP_PN_LEN);

  stats->flag |= RX_FLAG_PN_VALIDATED;

  return ZX_OK;
}

// iwl_mvm_create_packet formats the packets for passing to mac80211.
// Note: this is derived from iwl_mvm_create_skb(), but the Fuchsia version formats the packet
// in-place.
static size_t iwl_mvm_create_packet(struct ieee80211_frame_header* hdr, size_t len,
                                    size_t crypt_len, struct ieee80211_rx_status* status,
                                    struct iwl_rx_cmd_buffer* rxb) {
  struct iwl_rx_packet* pkt = rxb_addr(rxb);
  struct iwl_rx_mpdu_desc* desc = (void*)pkt->data;
  size_t hdrlen = ieee80211_get_header_len(hdr);
  size_t datalen = len - hdrlen;
  size_t padlen = 0;

  /* The firmware may align the packet to DWORD.
   * The padding is inserted after the IV.
   * After copying the header + IV skip the padding if
   * present before copying packet data.
   */
  if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
    padlen += 2;
  }

  // Fuchsia requires that the crypto header is stripped out.
  padlen += crypt_len;

#if 0   // NEEDS_PORTING
    /* If frame is small enough to fit in skb->head, pull it completely.
     * If not, only pull ieee80211_hdr (including crypto if present, and
     * an additional 8 bytes for SNAP/ethertype, see below) so that
     * splice() or TCP coalesce are more efficient.
     *
     * Since, in addition, ieee80211_data_to_8023() always pull in at
     * least 8 bytes (possibly more for mesh) we can do the same here
     * to save the cost of doing it later. That still doesn't pull in
     * the actual IP header since the typical case has a SNAP header.
     * If the latter changes (there are efforts in the standards group
     * to do so) we should revisit this and ieee80211_data_to_8023().
     */
    headlen = (len <= skb_tailroom(skb)) ? len : hdrlen + crypt_len + 8;
    hdrlen += crypt_len;
    skb_put_data(skb, hdr, hdrlen);
    skb_put_data(skb, (uint8_t*)hdr + hdrlen + padlen, headlen - hdrlen);
#endif  // NEEDS_PORTING

  // For Fuchsia, we take out padlen, which includes any crypt header if present.
  if (padlen > 0) {
    if (padlen < 4 && ((hdrlen + padlen) % 4) == 0) {
      // There is padding equivalent to padding for 4-byte alignment, so we we indicate this to SME
      // using a flag instead of manually copying the packet contents.
      status->rx_info.rx_flags |= WLAN_RX_INFO_FLAGS_FRAME_BODY_PADDING_4;
    } else {
      datalen -= padlen;
      memmove((char*)hdr + hdrlen, (char*)hdr + hdrlen + padlen, datalen);
    }
  }

#if 0   // NEEDS_PORTING
    fraglen = len - headlen;

    if (fraglen) {
        int offset = (void*)hdr + headlen + padlen - rxb_addr(rxb) + rxb_offset(rxb);

        skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset, fraglen, rxb->truesize);
    }
#endif  // NEEDS_PORTING

  return hdrlen + datalen;
}

/* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm* mvm,
                                            struct ieee80211_frame_header* frame, size_t frame_len,
                                            struct ieee80211_rx_status* rx_status, int queue,
                                            struct iwl_mvm_sta* sta) {
#if 0   // NEEDS_PORTING
    struct ieee80211_rx_status* rx_status = IEEE80211_SKB_RXCB(skb);
#endif  // NEEDS_PORTING

  if (iwl_mvm_check_pn(mvm, frame, rx_status, queue, sta) != ZX_OK) {
    return;
  }

#if 0   // NEEDS_PORTING
  unsigned int radiotap_len = 0;

  if (rx_status->flag & RX_FLAG_RADIOTAP_HE) {
      radiotap_len += sizeof(struct ieee80211_radiotap_he);
  }
  if (rx_status->flag & RX_FLAG_RADIOTAP_HE_MU) {
      radiotap_len += sizeof(struct ieee80211_radiotap_he_mu);
  }
  __skb_push(skb, radiotap_len);
  ieee80211_rx_napi(mvm->hw, sta, skb, napi);
#endif  // NEEDS_PORTING

  // Send to MLME
  // TODO(fxbug.dev/43218) Need to revisit to handle multiple IFs
  wlan_rx_packet_t rx_packet = {
      .mac_frame_buffer = (uint8_t*)frame,
      .mac_frame_size = frame_len,
      .info = rx_status->rx_info,
  };
  wlan_softmac_ifc_recv(&mvm->mvmvif[0]->ifc, &rx_packet);
}

static int iwl_mvm_get_signal_strength(struct iwl_mvm* mvm, int energy_a, int energy_b) {
  int max_energy;

  energy_a = energy_a ? -energy_a : S8_MIN;
  energy_b = energy_b ? -energy_b : S8_MIN;
  max_energy = MAX(energy_a, energy_b);

  IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n", energy_a, energy_b, max_energy);
  return max_energy;
}

static zx_status_t iwl_mvm_rx_crypto(struct iwl_mvm* mvm, struct ieee80211_frame_header* hdr,
                                     struct ieee80211_rx_status* stats, uint16_t phy_info,
                                     struct iwl_rx_mpdu_desc* desc, uint32_t pkt_flags,
                                     size_t* crypt_len) {
  uint16_t status = le16_to_cpu(desc->status);

  /*
   * Drop UNKNOWN frames in aggregation, unless in monitor mode
   * (where we don't have the keys).
   * We limit this to aggregation because in TKIP this is a valid
   * scenario, since we may not have the (correct) TTAK (phase 1
   * key) in the firmware.
   */
  if (phy_info & IWL_RX_MPDU_PHY_AMPDU &&
      (status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_UNKNOWN &&
      !mvm->monitor_on) {
    return ZX_ERR_BAD_STATE;
  }

  if (!ieee80211_has_protected(hdr) ||
      (status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE) {
    return ZX_OK;
  }

  /* TODO: handle packets encrypted with unknown alg */

  switch (status & IWL_RX_MPDU_STATUS_SEC_MASK) {
    case IWL_RX_MPDU_STATUS_SEC_CCM:
    case IWL_RX_MPDU_STATUS_SEC_GCM:
#if 0   // NEEDS_PORTING
        BUILD_BUG_ON(fuchsia_wlan_ieee80211_CCMP_PN_LEN != IEEE80211_GCMP_PN_LEN);
#endif  // NEEDS_PORTING

      /* alg is CCM: check MIC only */
      if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) {
        return ZX_ERR_BAD_STATE;
      }

      stats->flag |= RX_FLAG_DECRYPTED;
#if 0   // NEEDS_PORTING
        if (pkt_flags & FH_RSCSR_RADA_EN) { stats->flag |= RX_FLAG_MIC_STRIPPED; }
#endif  // NEEDS_PORTING

      // Fuchsia needs the extiv copied, since it will remove the crypt header from the packet.
      memcpy(stats->extiv, (char*)hdr + ieee80211_get_header_len(hdr), 8);

      *crypt_len = fuchsia_wlan_ieee80211_CCMP_HDR_LEN;
      return ZX_OK;

#if 0   // NEEDS_PORTING
    case IWL_RX_MPDU_STATUS_SEC_TKIP:
        /* Don't drop the frame and decrypt it in SW */
        if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
            !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK)) {
            return 0;
        }

        if (mvm->trans->cfg->gen2 && !(status & RX_MPDU_RES_STATUS_MIC_OK)) {
            stats->flag |= RX_FLAG_MMIC_ERROR;
        }

        *crypt_len = IEEE80211_TKIP_IV_LEN;
    /* fall through if TTAK OK */
    case IWL_RX_MPDU_STATUS_SEC_WEP:
        if (!(status & IWL_RX_MPDU_STATUS_ICV_OK)) { return -1; }

        stats->flag |= RX_FLAG_DECRYPTED;
        if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_WEP) {
            *crypt_len = IEEE80211_WEP_IV_LEN;
        }

        if (pkt_flags & FH_RSCSR_RADA_EN) {
            stats->flag |= RX_FLAG_ICV_STRIPPED;
            if (mvm->trans->cfg->gen2) { stats->flag |= RX_FLAG_MMIC_STRIPPED; }
        }

        return 0;
    case IWL_RX_MPDU_STATUS_SEC_EXT_ENC:
        if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) { return -1; }
        stats->flag |= RX_FLAG_DECRYPTED;
        return 0;
#endif  // NEEDS_PORTING
    default:
      /* Expected in monitor (not having the keys) */
      if (!mvm->monitor_on) {
        IWL_ERR(mvm, "Unhandled alg: 0x%x\n", status);
      }
  }

  return 0;
}

#if 0  // NEEDS_PORTING
static void iwl_mvm_rx_csum(struct ieee80211_sta* sta, struct sk_buff* skb,
                            struct iwl_rx_mpdu_desc* desc) {
    struct iwl_mvm_sta* mvmsta = iwl_mvm_sta_from_mac80211(sta);
    struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
    uint16_t flags = le16_to_cpu(desc->l3l4_flags);
    uint8_t l3_prot = (uint8_t)((flags & IWL_RX_L3L4_L3_PROTO_MASK) >> IWL_RX_L3_PROTO_POS);

    if (mvmvif->features & NETIF_F_RXCSUM && flags & IWL_RX_L3L4_TCP_UDP_CSUM_OK &&
        (flags & IWL_RX_L3L4_IP_HDR_CSUM_OK || l3_prot == IWL_RX_L3_TYPE_IPV6 ||
         l3_prot == IWL_RX_L3_TYPE_IPV6_FRAG)) {
        skb->ip_summed = CHECKSUM_UNNECESSARY;
    }
}

/*
 * returns true if a packet is a duplicate and should be dropped.
 * Updates AMSDU PN tracking info
 */
static bool iwl_mvm_is_dup(struct ieee80211_sta* sta, int queue,
                           struct ieee80211_rx_status* rx_status, struct ieee80211_hdr* hdr,
                           struct iwl_rx_mpdu_desc* desc) {
    struct iwl_mvm_sta* mvm_sta;
    struct iwl_mvm_rxq_dup_data* dup_data;
    uint8_t tid, sub_frame_idx;

    if (WARN_ON(IS_ERR_OR_NULL(sta))) { return false; }

    mvm_sta = iwl_mvm_sta_from_mac80211(sta);
    dup_data = &mvm_sta->dup_data[queue];

    /*
     * Drop duplicate 802.11 retransmissions
     * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
     */
    if (ieee80211_is_ctl(hdr->frame_control) || ieee80211_is_qos_nullfunc(hdr->frame_control) ||
        is_multicast_ether_addr(hdr->addr1)) {
        rx_status->flag |= RX_FLAG_DUP_VALIDATED;
        return false;
    }

    if (ieee80211_is_data_qos(hdr->frame_control)) { /* frame has qos control */
        tid = ieee80211_get_tid(hdr);
    } else {
        tid = IWL_MAX_TID_COUNT;
    }

    /* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */
    sub_frame_idx = desc->amsdu_info & IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;

    if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
                 dup_data->last_seq[tid] == hdr->seq_ctrl &&
                 dup_data->last_sub_frame[tid] >= sub_frame_idx)) {
        return true;
    }

    /* Allow same PN as the first subframe for following sub frames */
    if (dup_data->last_seq[tid] == hdr->seq_ctrl && sub_frame_idx > dup_data->last_sub_frame[tid] &&
        desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) {
        rx_status->flag |= RX_FLAG_ALLOW_SAME_PN;
    }

    dup_data->last_seq[tid] = hdr->seq_ctrl;
    dup_data->last_sub_frame[tid] = sub_frame_idx;

    rx_status->flag |= RX_FLAG_DUP_VALIDATED;

    return false;
}

int iwl_mvm_notify_rx_queue(struct iwl_mvm* mvm, uint32_t rxq_mask, const uint8_t* data,
                            uint32_t count) {
    struct iwl_rxq_sync_cmd* cmd;
    uint32_t data_size = sizeof(*cmd) + count;
    int ret;

    /* should be DWORD aligned */
    if (WARN_ON(count & 3 || count > IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE)) { return -EINVAL; }

    cmd = kzalloc(data_size, GFP_KERNEL);
    if (!cmd) { return -ENOMEM; }

    cmd->rxq_mask = cpu_to_le32(rxq_mask);
    cmd->count = cpu_to_le32(count);
    cmd->flags = 0;
    memcpy(cmd->payload, data, count);

    ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 0,
                               data_size, cmd);

    kfree(cmd);
    return ret;
}

/*
 * Returns true if sn2 - buffer_size < sn1 < sn2.
 * To be used only in order to compare reorder buffer head with NSSN.
 * We fully trust NSSN unless it is behind us due to reorder timeout.
 * Reorder timeout can only bring us up to buffer_size SNs ahead of NSSN.
 */
static bool iwl_mvm_is_sn_less(uint16_t sn1, uint16_t sn2, uint16_t buffer_size) {
    return ieee80211_sn_less(sn1, sn2) && !ieee80211_sn_less(sn1, sn2 - buffer_size);
}

#define RX_REORDER_BUF_TIMEOUT_MQ (HZ / 10)

static void iwl_mvm_release_frames(struct iwl_mvm* mvm, struct ieee80211_sta* sta,
                                   struct napi_struct* napi, struct iwl_mvm_baid_data* baid_data,
                                   struct iwl_mvm_reorder_buffer* reorder_buf, uint16_t nssn) {
    struct iwl_mvm_reorder_buf_entry* entries =
        &baid_data->entries[reorder_buf->queue * baid_data->entries_per_queue];
    uint16_t ssn = reorder_buf->head_sn;

    iwl_assert_lock_held(&reorder_buf->lock);

    /* ignore nssn smaller than head sn - this can happen due to timeout */
    if (iwl_mvm_is_sn_less(nssn, ssn, reorder_buf->buf_size)) { goto set_timer; }

    while (iwl_mvm_is_sn_less(ssn, nssn, reorder_buf->buf_size)) {
        int index = ssn % reorder_buf->buf_size;
        struct sk_buff_head* skb_list = &entries[index].e.frames;
        struct sk_buff* skb;

        ssn = ieee80211_sn_inc(ssn);

        /*
         * Empty the list. Will have more than one frame for A-MSDU.
         * Empty list is valid as well since nssn indicates frames were
         * received.
         */
        while ((skb = __skb_dequeue(skb_list))) {
            iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, reorder_buf->queue, sta);
            reorder_buf->num_stored--;
        }
    }
    reorder_buf->head_sn = nssn;

set_timer:
    if (reorder_buf->num_stored && !reorder_buf->removed) {
        uint16_t index = reorder_buf->head_sn % reorder_buf->buf_size;

        while (skb_queue_empty(&entries[index].e.frames)) {
            index = (index + 1) % reorder_buf->buf_size;
        }
        /* modify timer to match next frame's expiration time */
        mod_timer(&reorder_buf->reorder_timer,
                  entries[index].e.reorder_time + 1 + RX_REORDER_BUF_TIMEOUT_MQ);
    } else {
        del_timer(&reorder_buf->reorder_timer);
    }
}

void iwl_mvm_reorder_timer_expired(struct timer_list* t) {
    struct iwl_mvm_reorder_buffer* buf = from_timer(buf, t, reorder_timer);
    struct iwl_mvm_baid_data* baid_data = iwl_mvm_baid_data_from_reorder_buf(buf);
    struct iwl_mvm_reorder_buf_entry* entries =
        &baid_data->entries[buf->queue * baid_data->entries_per_queue];
    int i;
    uint16_t sn = 0, index = 0;
    bool expired = false;
    bool cont = false;

    spin_lock(&buf->lock);

    if (!buf->num_stored || buf->removed) {
        spin_unlock(&buf->lock);
        return;
    }

    for (i = 0; i < buf->buf_size; i++) {
        index = (buf->head_sn + i) % buf->buf_size;

        if (skb_queue_empty(&entries[index].e.frames)) {
            /*
             * If there is a hole and the next frame didn't expire
             * we want to break and not advance SN
             */
            cont = false;
            continue;
        }
        if (!cont &&
            !time_after(jiffies, entries[index].e.reorder_time + RX_REORDER_BUF_TIMEOUT_MQ)) {
            break;
        }

        expired = true;
        /* continue until next hole after this expired frames */
        cont = true;
        sn = ieee80211_sn_add(buf->head_sn, i + 1);
    }

    if (expired) {
        struct ieee80211_sta* sta;
        struct iwl_mvm_sta* mvmsta;
        uint8_t sta_id = baid_data->sta_id;

        rcu_read_lock();
        sta = rcu_dereference(buf->mvm->fw_id_to_mac_id[sta_id]);
        mvmsta = iwl_mvm_sta_from_mac80211(sta);

        /* SN is set to the last expired frame + 1 */
        IWL_DEBUG_HT(buf->mvm, "Releasing expired frames for sta %u, sn %d\n", sta_id, sn);
        iwl_mvm_event_frame_timeout_callback(buf->mvm, mvmsta->vif, sta, baid_data->tid);
        iwl_mvm_release_frames(buf->mvm, sta, NULL, baid_data, buf, sn);
        rcu_read_unlock();
    } else {
        /*
         * If no frame expired and there are stored frames, index is now
         * pointing to the first unexpired frame - modify timer
         * accordingly to this frame.
         */
        mod_timer(&buf->reorder_timer,
                  entries[index].e.reorder_time + 1 + RX_REORDER_BUF_TIMEOUT_MQ);
    }
    spin_unlock(&buf->lock);
}

static void iwl_mvm_del_ba(struct iwl_mvm* mvm, int queue, struct iwl_mvm_delba_data* data) {
    struct iwl_mvm_baid_data* ba_data;
    struct ieee80211_sta* sta;
    struct iwl_mvm_reorder_buffer* reorder_buf;
    uint8_t baid = data->baid;

    if (WARN_ONCE(baid >= IWL_MAX_BAID, "invalid BAID: %x\n", baid)) { return; }

    rcu_read_lock();

    ba_data = rcu_dereference(mvm->baid_map[baid]);
    if (WARN_ON_ONCE(!ba_data)) { goto out; }

    sta = rcu_dereference(mvm->fw_id_to_mac_id[ba_data->sta_id]);
    if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { goto out; }

    reorder_buf = &ba_data->reorder_buf[queue];

    /* release all frames that are in the reorder buffer to the stack */
    spin_lock_bh(&reorder_buf->lock);
    iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf,
                           ieee80211_sn_add(reorder_buf->head_sn, reorder_buf->buf_size));
    spin_unlock_bh(&reorder_buf->lock);
    del_timer_sync(&reorder_buf->reorder_timer);

out:
    rcu_read_unlock();
}
#endif  // NEEDS_PORTING

void iwl_mvm_rx_queue_notif(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb, int queue) {
#if 0   // NEEDS_PORTING
    struct iwl_rx_packet* pkt = rxb_addr(rxb);
    struct iwl_rxq_sync_notification* notif;
    struct iwl_mvm_internal_rxq_notif* internal_notif;

    notif = (void*)pkt->data;
    internal_notif = (void*)notif->payload;

    if (internal_notif->sync && mvm->queue_sync_cookie != internal_notif->cookie) {
        WARN_ONCE(1, "Received expired RX queue sync message\n");
        return;
    }

    switch (internal_notif->type) {
    case IWL_MVM_RXQ_EMPTY:
        break;
    case IWL_MVM_RXQ_NOTIF_DEL_BA:
        iwl_mvm_del_ba(mvm, queue, (void*)internal_notif->data);
        break;
    default:
        WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
    }

    if (internal_notif->sync && !atomic_dec_return(&mvm->queue_sync_counter)) {
        wake_up(&mvm->rx_sync_waitq);
    }
#endif  // NEEDS_PORTING
}

/*
 * Returns true if the MPDU was buffered\dropped, false if it should be passed
 * to upper layer.
 */
static bool iwl_mvm_reorder(struct iwl_mvm* mvm, int queue, struct iwl_rx_mpdu_desc* desc) {
  // TODO(fxbug.dev/79993) (fxbug.dev/51295)
#if 0   // NEEDS_PORTING
    struct ieee80211_hdr* hdr = (struct ieee80211_hdr*)skb->data;
    struct iwl_mvm_sta* mvm_sta;
    struct iwl_mvm_baid_data* baid_data;
    struct iwl_mvm_reorder_buffer* buffer;
    struct sk_buff* tail;
    uint32_t reorder = le32_to_cpu(desc->reorder_data);
    bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU;
    bool last_subframe = desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME;
    uint8_t tid = ieee80211_get_tid(hdr);
    uint8_t sub_frame_idx = desc->amsdu_info & IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
    struct iwl_mvm_reorder_buf_entry* entries;
    int index;
    uint16_t nssn, sn;
    uint8_t baid;

    baid = (reorder & IWL_RX_MPDU_REORDER_BAID_MASK) >> IWL_RX_MPDU_REORDER_BAID_SHIFT;

    /*
     * This also covers the case of receiving a Block Ack Request
     * outside a BA session; we'll pass it to mac80211 and that
     * then sends a delBA action frame.
     */
    if (baid == IWL_RX_REORDER_DATA_INVALID_BAID) { return false; }

    /* no sta yet */
    if (WARN_ONCE(IS_ERR_OR_NULL(sta), "Got valid BAID without a valid station assigned\n")) {
        return false;
    }

    mvm_sta = iwl_mvm_sta_from_mac80211(sta);

    /* not a data packet or a bar */
    if (!ieee80211_is_back_req(hdr->frame_control) &&
        (!ieee80211_is_data_qos(hdr->frame_control) || is_multicast_ether_addr(hdr->addr1))) {
        return false;
    }

    if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) { return false; }

    baid_data = rcu_dereference(mvm->baid_map[baid]);
    if (!baid_data) {
        IWL_DEBUG_RX(mvm,
                     "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d "
                     "reorder 0x%x\n",
                     baid, reorder);
        return false;
    }

    if (WARN(tid != baid_data->tid || mvm_sta->sta_id != baid_data->sta_id,
             "baid 0x%x is mapped to sta:%d tid:%d, but was received for sta:%d tid:%d\n", baid,
             baid_data->sta_id, baid_data->tid, mvm_sta->sta_id, tid)) {
        return false;
    }

    nssn = reorder & IWL_RX_MPDU_REORDER_NSSN_MASK;
    sn = (reorder & IWL_RX_MPDU_REORDER_SN_MASK) >> IWL_RX_MPDU_REORDER_SN_SHIFT;

    buffer = &baid_data->reorder_buf[queue];
    entries = &baid_data->entries[queue * baid_data->entries_per_queue];

    spin_lock_bh(&buffer->lock);

    if (!buffer->valid) {
        if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN) {
            spin_unlock_bh(&buffer->lock);
            return false;
        }
        buffer->valid = true;
    }

    if (ieee80211_is_back_req(hdr->frame_control)) {
        iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, nssn);
        goto drop;
    }

    /*
     * If there was a significant jump in the nssn - adjust.
     * If the SN is smaller than the NSSN it might need to first go into
     * the reorder buffer, in which case we just release up to it and the
     * rest of the function will take care of storing it and releasing up to
     * the nssn
     */
    if (!iwl_mvm_is_sn_less(nssn, buffer->head_sn + buffer->buf_size, buffer->buf_size) ||
        !ieee80211_sn_less(sn, buffer->head_sn + buffer->buf_size)) {
        uint16_t min_sn = ieee80211_sn_less(sn, nssn) ? sn : nssn;

        iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, min_sn);
    }

    /* drop any oudated packets */
    if (ieee80211_sn_less(sn, buffer->head_sn)) { goto drop; }

    /* release immediately if allowed by nssn and no stored frames */
    if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) {
        if (iwl_mvm_is_sn_less(buffer->head_sn, nssn, buffer->buf_size) &&
            (!amsdu || last_subframe)) {
            buffer->head_sn = nssn;
        }
        /* No need to update AMSDU last SN - we are moving the head */
        spin_unlock_bh(&buffer->lock);
        return false;
    }

    /*
     * release immediately if there are no stored frames, and the sn is
     * equal to the head.
     * This can happen due to reorder timer, where NSSN is behind head_sn.
     * When we released everything, and we got the next frame in the
     * sequence, according to the NSSN we can't release immediately,
     * while technically there is no hole and we can move forward.
     */
    if (!buffer->num_stored && sn == buffer->head_sn) {
        if (!amsdu || last_subframe) { buffer->head_sn = ieee80211_sn_inc(buffer->head_sn); }
        /* No need to update AMSDU last SN - we are moving the head */
        spin_unlock_bh(&buffer->lock);
        return false;
    }

    index = sn % buffer->buf_size;

    /*
     * Check if we already stored this frame
     * As AMSDU is either received or not as whole, logic is simple:
     * If we have frames in that position in the buffer and the last frame
     * originated from AMSDU had a different SN then it is a retransmission.
     * If it is the same SN then if the subframe index is incrementing it
     * is the same AMSDU - otherwise it is a retransmission.
     */
    tail = skb_peek_tail(&entries[index].e.frames);
    if (tail && !amsdu) {
        goto drop;
    } else if (tail && (sn != buffer->last_amsdu || buffer->last_sub_index >= sub_frame_idx)) {
        goto drop;
    }

    /* put in reorder buffer */
    __skb_queue_tail(&entries[index].e.frames, skb);
    buffer->num_stored++;
    entries[index].e.reorder_time = jiffies;

    if (amsdu) {
        buffer->last_amsdu = sn;
        buffer->last_sub_index = sub_frame_idx;
    }

    /*
     * We cannot trust NSSN for AMSDU sub-frames that are not the last.
     * The reason is that NSSN advances on the first sub-frame, and may
     * cause the reorder buffer to advance before all the sub-frames arrive.
     * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with
     * SN 1. NSSN for first sub frame will be 3 with the result of driver
     * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is
     * already ahead and it will be dropped.
     * If the last sub-frame is not on this queue - we will get frame
     * release notification with up to date NSSN.
     */
    if (!amsdu || last_subframe) {
        iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, nssn);
    }

    spin_unlock_bh(&buffer->lock);
    return true;

drop:
    kfree_skb(skb);
    spin_unlock_bh(&buffer->lock);
    return true;
#endif  // NEEDS_PORTING
  return false;
}

#if 0  // NEEDS_PORTING
static void iwl_mvm_agg_rx_received(struct iwl_mvm* mvm, uint32_t reorder_data, uint8_t baid) {
    unsigned long now = jiffies;
    unsigned long timeout;
    struct iwl_mvm_baid_data* data;

    rcu_read_lock();

    data = rcu_dereference(mvm->baid_map[baid]);
    if (!data) {
        IWL_DEBUG_RX(mvm,
                     "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d "
                     "reorder 0x%x\n",
                     baid, reorder_data);
        goto out;
    }

    if (!data->timeout) { goto out; }

    timeout = data->timeout;
    /*
     * Do not update last rx all the time to avoid cache bouncing
     * between the rx queues.
     * Update it every timeout. Worst case is the session will
     * expire after ~ 2 * timeout, which doesn't matter that much.
     */
    if (time_before(data->last_rx + TU_TO_JIFFIES(timeout), now)) { /* Update is atomic */
        data->last_rx = now;
    }

out:
    rcu_read_unlock();
}

static void iwl_mvm_flip_address(uint8_t* addr) {
    int i;
    uint8_t mac_addr[ETH_ALEN];

    for (i = 0; i < ETH_ALEN; i++) {
        mac_addr[i] = addr[ETH_ALEN - i - 1];
    }
    ether_addr_copy(addr, mac_addr);
}

struct iwl_mvm_rx_phy_data {
  enum iwl_rx_phy_info_type info_type;
  __le32 d0, d1, d2, d3;
  __le16 d4;
};

static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm* mvm, struct iwl_mvm_rx_phy_data* phy_data,
                                     uint32_t rate_n_flags,
                                     struct ieee80211_radiotap_he_mu* he_mu) {
    uint32_t phy_data2 = le32_to_cpu(phy_data->d2);
    uint32_t phy_data3 = le32_to_cpu(phy_data->d3);
    uint16_t phy_data4 = le16_to_cpu(phy_data->d4);

    if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK, phy_data4)) {
        he_mu->flags1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN |
                                     IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN);

        he_mu->flags1 |=
            le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU, phy_data4),
                             IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU);

        he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0, phy_data2);
        he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1, phy_data3);
        he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2, phy_data2);
        he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3, phy_data3);
    }

    if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK, phy_data4) &&
        (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) != RATE_MCS_CHAN_WIDTH_20) {
        he_mu->flags1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN |
                                     IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN);

        he_mu->flags2 |=
            le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU, phy_data4),
                             IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU);

        he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0, phy_data2);
        he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1, phy_data3);
        he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2, phy_data2);
        he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3, phy_data3);
    }
}

static void iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data* phy_data,
                                           uint32_t rate_n_flags, struct ieee80211_radiotap_he* he,
                                           struct ieee80211_radiotap_he_mu* he_mu,
                                           struct ieee80211_rx_status* rx_status) {
    /*
     * Unfortunately, we have to leave the mac80211 data
     * incorrect for the case that we receive an HE-MU
     * transmission and *don't* have the HE phy data (due
     * to the bits being used for TSF). This shouldn't
     * happen though as management frames where we need
     * the TSF/timers are not be transmitted in HE-MU.
     */
    uint8_t ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK);
    uint8_t offs = 0;

    rx_status->bw = RATE_INFO_BW_HE_RU;

    he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);

    switch (ru) {
    case 0 ... 36:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
        offs = ru;
        break;
    case 37 ... 52:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
        offs = ru - 37;
        break;
    case 53 ... 60:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
        offs = ru - 53;
        break;
    case 61 ... 64:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
        offs = ru - 61;
        break;
    case 65 ... 66:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
        offs = ru - 65;
        break;
    case 67:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
        break;
    case 68:
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
        break;
    }
    he->data2 |= le16_encode_bits(offs, IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
    he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
                             IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
    if (phy_data->d1 & cpu_to_le32(IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80)) {
        he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
    }

    if (he_mu) {
#define CHECK_BW(bw)                                                         \
  BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_##bw##MHZ != \
               RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
        CHECK_BW(20);
        CHECK_BW(40);
        CHECK_BW(80);
        CHECK_BW(160);
        he_mu->flags2 |= le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags),
                                          IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
    }
}

static void iwl_mvm_decode_he_phy_data(struct iwl_mvm* mvm, struct iwl_mvm_rx_phy_data* phy_data,
                                       struct ieee80211_radiotap_he* he,
                                       struct ieee80211_radiotap_he_mu* he_mu,
                                       struct ieee80211_rx_status* rx_status, uint32_t rate_n_flags,
                                       int queue) {
    switch (phy_data->info_type) {
    case IWL_RX_PHY_INFO_TYPE_NONE:
    case IWL_RX_PHY_INFO_TYPE_CCK:
    case IWL_RX_PHY_INFO_TYPE_OFDM_LGCY:
    case IWL_RX_PHY_INFO_TYPE_HT:
    case IWL_RX_PHY_INFO_TYPE_VHT_SU:
    case IWL_RX_PHY_INFO_TYPE_VHT_MU:
        return;
    case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
        he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN);
        he->data4 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1),
                             IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1);
        he->data4 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2),
                             IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2);
        he->data4 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3),
                             IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3);
        he->data4 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4),
                             IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4);
    /* fall through */
    case IWL_RX_PHY_INFO_TYPE_HE_SU:
    case IWL_RX_PHY_INFO_TYPE_HE_MU:
    case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
    case IWL_RX_PHY_INFO_TYPE_HE_TB:
        /* HE common */
        he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN);
        he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN |
                                 IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
        he->data3 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK),
                             IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR);
        if (phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB &&
            phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB_EXT) {
            he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN);
            he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_UPLINK),
                                          IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
        }
        he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM),
                                      IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG);
        he->data4 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK),
                             IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE);
        he->data5 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK),
                             IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD);
        he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_PE_DISAMBIG),
                                      IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG);
        he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK),
                                      IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
        he->data6 |=
            le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK),
                             IEEE80211_RADIOTAP_HE_DATA6_TXOP);
        he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_DOPPLER),
                                      IEEE80211_RADIOTAP_HE_DATA6_DOPPLER);
        break;
    }

    switch (phy_data->info_type) {
    case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
        he_mu->flags1 |=
            le16_encode_bits(le16_get_bits(phy_data->d4, IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM),
                             IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
        he_mu->flags1 |=
            le16_encode_bits(le16_get_bits(phy_data->d4, IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK),
                             IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
        he_mu->flags2 |= le16_encode_bits(
            le16_get_bits(phy_data->d4, IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK),
            IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
        iwl_mvm_decode_he_mu_ext(mvm, phy_data, rate_n_flags, he_mu);
    /* fall through */
    case IWL_RX_PHY_INFO_TYPE_HE_MU:
        he_mu->flags2 |= le16_encode_bits(
            le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK),
            IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
        he_mu->flags2 |=
            le16_encode_bits(le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION),
                             IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
    /* fall through */
    case IWL_RX_PHY_INFO_TYPE_HE_TB:
    case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
        iwl_mvm_decode_he_phy_ru_alloc(phy_data, rate_n_flags, he, he_mu, rx_status);
        break;
    case IWL_RX_PHY_INFO_TYPE_HE_SU:
        he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN);
        he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, IWL_RX_PHY_DATA0_HE_BEAM_CHNG),
                                      IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE);
        break;
    default:
        /* nothing */
        break;
    }
}

static void iwl_mvm_rx_he(struct iwl_mvm* mvm, struct sk_buff* skb,
                          struct iwl_mvm_rx_phy_data* phy_data, uint32_t rate_n_flags,
                          uint16_t phy_info, int queue) {
    struct ieee80211_rx_status* rx_status = IEEE80211_SKB_RXCB(skb);
    struct ieee80211_radiotap_he* he = NULL;
    struct ieee80211_radiotap_he_mu* he_mu = NULL;
    uint32_t he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
    uint8_t stbc, ltf;
    static const struct ieee80211_radiotap_he known = {
        .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
                             IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
                             IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN |
                             IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN),
        .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN |
                             IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN),
    };
    static const struct ieee80211_radiotap_he_mu mu_known = {
        .flags1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN |
                              IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN |
                              IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN |
                              IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN),
        .flags2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN |
                              IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
    };
    unsigned int radiotap_len = 0;

    he = skb_put_data(skb, &known, sizeof(known));
    radiotap_len += sizeof(known);
    rx_status->flag |= RX_FLAG_RADIOTAP_HE;

    if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU ||
        phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU_EXT) {
        he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known));
        radiotap_len += sizeof(mu_known);
        rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU;
    }

    /* temporarily hide the radiotap data */
    __skb_pull(skb, radiotap_len);

    /* report the AMPDU-EOF bit on single frames */
    if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
        rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
        rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
        if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF)) {
            rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
        }
    }

    if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) {
        iwl_mvm_decode_he_phy_data(mvm, phy_data, he, he_mu, rx_status, rate_n_flags, queue);
    }

    /* update aggregation data for monitor sake on default queue */
    if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) && (phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
        bool toggle_bit = phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE;

        /* toggle is switched whenever new aggregation starts */
        if (toggle_bit != mvm->ampdu_toggle) {
            rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
            if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF)) {
                rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
            }
        }
    }

    if (he_type == RATE_MCS_HE_TYPE_EXT_SU && rate_n_flags & RATE_MCS_HE_106T_MSK) {
        rx_status->bw = RATE_INFO_BW_HE_RU;
        rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
    }

    /* actually data is filled in mac80211 */
    if (he_type == RATE_MCS_HE_TYPE_SU || he_type == RATE_MCS_HE_TYPE_EXT_SU) {
        he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
    }

    stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS;
    rx_status->nss = ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> RATE_VHT_MCS_NSS_POS) + 1;
    rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK;
    rx_status->encoding = RX_ENC_HE;
    rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
    if (rate_n_flags & RATE_MCS_BF_MSK) { rx_status->enc_flags |= RX_ENC_FLAG_BF; }

    rx_status->he_dcm = !!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK);

#define CHECK_TYPE(F)                                    \
  BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_##F != \
               (RATE_MCS_HE_TYPE_##F >> RATE_MCS_HE_TYPE_POS))

    CHECK_TYPE(SU);
    CHECK_TYPE(EXT_SU);
    CHECK_TYPE(MU);
    CHECK_TYPE(TRIG);

    he->data1 |= cpu_to_le16(he_type >> RATE_MCS_HE_TYPE_POS);

    if (rate_n_flags & RATE_MCS_BF_MSK) {
        he->data5 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA5_TXBF);
    }

    switch ((rate_n_flags & RATE_MCS_HE_GI_LTF_MSK) >> RATE_MCS_HE_GI_LTF_POS) {
    case 0:
        if (he_type == RATE_MCS_HE_TYPE_TRIG) {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
        } else {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
        }
        if (he_type == RATE_MCS_HE_TYPE_MU) {
            ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
        } else {
            ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X;
        }
        break;
    case 1:
        if (he_type == RATE_MCS_HE_TYPE_TRIG) {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
        } else {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
        }
        ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
        break;
    case 2:
        if (he_type == RATE_MCS_HE_TYPE_TRIG) {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
            ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
        } else {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
            ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X;
        }
        break;
    case 3:
        if ((he_type == RATE_MCS_HE_TYPE_SU || he_type == RATE_MCS_HE_TYPE_EXT_SU) &&
            rate_n_flags & RATE_MCS_SGI_MSK) {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
        } else {
            rx_status->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
        }
        ltf = IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X;
        break;
    }

    he->data5 |= le16_encode_bits(ltf, IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
}

static void iwl_mvm_decode_lsig(struct sk_buff* skb, struct iwl_mvm_rx_phy_data* phy_data) {
    struct ieee80211_rx_status* rx_status = IEEE80211_SKB_RXCB(skb);
    struct ieee80211_radiotap_lsig* lsig;

    switch (phy_data->info_type) {
    case IWL_RX_PHY_INFO_TYPE_HT:
    case IWL_RX_PHY_INFO_TYPE_VHT_SU:
    case IWL_RX_PHY_INFO_TYPE_VHT_MU:
    case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT:
    case IWL_RX_PHY_INFO_TYPE_HE_SU:
    case IWL_RX_PHY_INFO_TYPE_HE_MU:
    case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT:
    case IWL_RX_PHY_INFO_TYPE_HE_TB:
        lsig = skb_put(skb, sizeof(*lsig));
        lsig->data1 = cpu_to_le16(IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN);
        lsig->data2 = le16_encode_bits(le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_LSIG_LEN_MASK),
                                       IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH);
        rx_status->flag |= RX_FLAG_RADIOTAP_LSIG;
        break;
    default:
        break;
    }
}
#endif  // NEEDS_PORTING

void iwl_mvm_rx_mpdu_mq(struct iwl_mvm* mvm, struct napi_struct* napi,
                        struct iwl_rx_cmd_buffer* rxb, int queue) {
  struct iwl_rx_packet* pkt = rxb_addr(rxb);
  struct iwl_rx_mpdu_desc* desc = (void*)pkt->data;
  struct ieee80211_frame_header* hdr;
  uint32_t len = le16_to_cpu(desc->mpdu_len);
  uint32_t rate_n_flags;
  uint16_t phy_info = le16_to_cpu(desc->phy_info);
  struct iwl_mvm_sta* sta = NULL;
  uint8_t channel, energy_a, energy_b;
  size_t crypt_len = 0, desc_size;

  struct ieee80211_rx_status rx_status = {};
  uint16_t sts_phy_info = le16_to_cpu(desc->phy_info);
  uint8_t band;

#if 0   // NEEDS_PORTING
  // TODO(fxbug.dev/84773)
  struct iwl_mvm_rx_phy_data phy_data = {
      .d4 = desc->phy_data4,
      .info_type = IWL_RX_PHY_INFO_TYPE_NONE,
  };
#endif  // NEEDS_PORTING

  if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) {
    return;
  }

  if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
    rate_n_flags = le32_to_cpu(desc->v3.rate_n_flags);
    channel = desc->v3.channel;
    // gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise);
    energy_a = desc->v3.energy_a;
    energy_b = desc->v3.energy_b;
    desc_size = sizeof(*desc);

#if 0   // NEEDS_PORTING
    phy_data.d0 = desc->v3.phy_data0;
    phy_data.d1 = desc->v3.phy_data1;
    phy_data.d2 = desc->v3.phy_data2;
    phy_data.d3 = desc->v3.phy_data3;
#endif  // NEEDS_PORTING
  } else {
    rate_n_flags = le32_to_cpu(desc->v1.rate_n_flags);
    channel = desc->v1.channel;
    // gp2_on_air_rise = le32_to_cpu(desc->v1.gp2_on_air_rise);
    energy_a = desc->v1.energy_a;
    energy_b = desc->v1.energy_b;
    desc_size = IWL_RX_DESC_SIZE_V1;

#if 0   // NEEDS_PORTING
    phy_data.d0 = desc->v1.phy_data0;
    phy_data.d1 = desc->v1.phy_data1;
    phy_data.d2 = desc->v1.phy_data2;
    phy_data.d3 = desc->v1.phy_data3;
#endif  // NEEDS_PORTING
  }

#if 0   // NEEDS_PORTING
  if (sts_phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) {
    phy_data.info_type = le32_get_bits(phy_data.d1, IWL_RX_PHY_DATA1_INFO_TYPE_MASK);
  }
#endif  // NEEDS_PORTING

  hdr = (void*)(pkt->data + desc_size);
#if 0   // NEEDS_PORTING
    /* Dont use dev_alloc_skb(), we'll have enough headroom once
     * ieee80211_hdr pulled.
     */
    skb = alloc_skb(128, GFP_ATOMIC);
    if (!skb) {
        IWL_ERR(mvm, "alloc_skb failed\n");
        return;
    }

    if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
        /*
         * If the device inserted padding it means that (it thought)
         * the 802.11 header wasn't a multiple of 4 bytes long. In
         * this case, reserve two bytes at the start of the SKB to
         * align the payload properly in case we end up copying it.
         */
        skb_reserve(skb, 2);
    }
#endif  // NEEDS_PORTING

  /* This may be overridden by iwl_mvm_rx_he() to HE_RU */
  switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
    case RATE_MCS_CHAN_WIDTH_20:
      rx_status.rx_info.channel.cbw = CHANNEL_BANDWIDTH_CBW20;
      break;
    case RATE_MCS_CHAN_WIDTH_40:
      rx_status.rx_info.channel.cbw = CHANNEL_BANDWIDTH_CBW40;
      break;
    case RATE_MCS_CHAN_WIDTH_80:
      rx_status.rx_info.channel.cbw = CHANNEL_BANDWIDTH_CBW80;
      break;
    case RATE_MCS_CHAN_WIDTH_160:
      rx_status.rx_info.channel.cbw = CHANNEL_BANDWIDTH_CBW160;
      break;
  }

#if 0   // NEEDS_PORTING
    if (rate_n_flags & RATE_MCS_HE_MSK) {
        iwl_mvm_rx_he(mvm, rx_status, &phy_data, rate_n_flags, phy_info, queue);
    }

    iwl_mvm_decode_lsig(skb, &phy_data);
#endif  // NEEDS_PORTING

  if (iwl_mvm_rx_crypto(mvm, hdr, &rx_status, phy_info, desc, le32_to_cpu(pkt->len_n_flags),
                        &crypt_len) != ZX_OK) {
    return;
  }

  /*
   * Keep packets with CRC errors (and with overrun) for monitor mode
   * (otherwise the firmware discards them) but mark them as bad.
   */
  if (!(desc->status & cpu_to_le16(IWL_RX_MPDU_STATUS_CRC_OK)) ||
      !(desc->status & cpu_to_le16(IWL_RX_MPDU_STATUS_OVERRUN_OK))) {
    IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n", le16_to_cpu(desc->status));
    // rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
    rx_status.rx_info.rx_flags |= WLAN_RX_INFO_FLAGS_FCS_INVALID;
  }

#if 0   // NEEDS_PORTING
  /* set the preamble flag if appropriate */
  if (rate_n_flags & RATE_MCS_CCK_MSK && sts_phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE) {
    rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
  }

  if (likely(!(sts_phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) {
    uint64_t tsf_on_air_rise;

    if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
      tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise);
    } else {
      tsf_on_air_rise = le64_to_cpu(desc->v1.tsf_on_air_rise);
    }

    rx_status->mactime = tsf_on_air_rise;
    /* TSF as indicated by the firmware is at INA time */
    rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
  }

  rx_status->device_timestamp = gp2_on_air_rise;
  rx_status->freq = ieee80211_channel_to_frequency(channel, band);
#endif  // NEEDS_PORTING

  rx_status.rx_info.rssi_dbm = iwl_mvm_get_signal_strength(mvm, energy_a, energy_b);
  rx_status.rx_info.valid_fields |= WLAN_RX_INFO_VALID_RSSI;
  band = iwl_mvm_get_channel_band(channel);
  rx_status.rx_info.channel.primary = channel;

  /* update aggregation data for monitor sake on default queue */
  if (!queue && (sts_phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
    bool toggle_bit = sts_phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE;

#if 0   // NEEDS_PORTING
    rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
    rx_status->ampdu_reference = mvm->ampdu_ref;
#endif  // NEEDS_PORTING
    /* toggle is switched whenever new aggregation starts */
    if (toggle_bit != mvm->ampdu_toggle) {
      mvm->ampdu_ref++;
      mvm->ampdu_toggle = toggle_bit;
    }
  }

  iwl_rcu_read_lock(mvm->dev);

  if (desc->status & cpu_to_le16(IWL_RX_MPDU_STATUS_SRC_STA_FOUND)) {
    uint8_t id = desc->sta_id_flags & IWL_RX_MPDU_SIF_STA_ID_MASK;

    if (!WARN_ON_ONCE(id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) {
      sta = iwl_rcu_load(mvm->fw_id_to_mac_id[id]);
    }
  } else if (!is_multicast_ether_addr(hdr->addr2)) {
    /*
     * This is fine since we prevent two stations with the same
     * address from being added.
     */
    sta = iwl_mvm_find_sta_by_addr(mvm, hdr->addr2);
  }

#if 0  // NEEDS_PORTING
    if (sta) {
        struct iwl_mvm_sta* mvmsta = iwl_mvm_sta_from_mac80211(sta);
        struct ieee80211_vif* tx_blocked_vif = rcu_dereference(mvm->csa_tx_blocked_vif);
        uint8_t baid =
            (uint8_t)((le32_to_cpu(desc->reorder_data) & IWL_RX_MPDU_REORDER_BAID_MASK) >>
                      IWL_RX_MPDU_REORDER_BAID_SHIFT);
        struct iwl_fw_dbg_trigger_tlv* trig;
        struct ieee80211_vif* vif = mvmsta->vif;

        if (!mvm->tcm.paused && len >= sizeof(*hdr) && !is_multicast_ether_addr(hdr->addr1) &&
            ieee80211_is_data(hdr->frame_control) &&
            time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD)) {
            schedule_delayed_work(&mvm->tcm.work, 0);
        }

        /*
         * We have tx blocked stations (with CS bit). If we heard
         * frames from a blocked station on a new channel we can
         * TX to it again.
         */
        if (unlikely(tx_blocked_vif) && tx_blocked_vif == vif) {
            struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);

            if (mvmvif->csa_target_freq == rx_status->freq) {
                iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false);
            }
        }

        rs_update_last_rssi(mvm, mvmsta, rx_status);

        trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), FW_DBG_TRIGGER_RSSI);

        if (trig && ieee80211_is_beacon(hdr->frame_control)) {
            struct iwl_fw_dbg_trigger_low_rssi* rssi_trig;
            int32_t rssi;

            rssi_trig = (void*)trig->data;
            rssi = le32_to_cpu(rssi_trig->rssi);

            if (rx_status->signal < rssi) { iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, NULL); }
        }

        if (ieee80211_is_data(hdr->frame_control)) { iwl_mvm_rx_csum(sta, skb, desc); }

#ifdef CPTCFG_IWLMVM_TDLS_PEER_CACHE
        /*
         * these packets are from the AP or the existing TDLS peer.
         * In both cases an existing station.
         */
        iwl_mvm_tdls_peer_cache_pkt(mvm, hdr, len, queue);
#endif  /* CPTCFG_IWLMVM_TDLS_PEER_CACHE */

        if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
            kfree_skb(skb);
            goto out;
        }

        /*
         * Our hardware de-aggregates AMSDUs but copies the mac header
         * as it to the de-aggregated MPDUs. We need to turn off the
         * AMSDU bit in the QoS control ourselves.
         * In addition, HW reverses addr3 and addr4 - reverse it back.
         */
        if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
            !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
            uint8_t* qc = ieee80211_get_qos_ctl(hdr);

            *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;

            if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000) {
                iwl_mvm_flip_address(hdr->addr3);

                if (ieee80211_has_a4(hdr->frame_control)) { iwl_mvm_flip_address(hdr->addr4); }
            }
        }
        if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) {
            uint32_t reorder_data = le32_to_cpu(desc->reorder_data);

            iwl_mvm_agg_rx_received(mvm, reorder_data, baid);
        }
    }

  if (!(rate_n_flags & RATE_MCS_CCK_MSK) && rate_n_flags & RATE_MCS_SGI_MSK) {
    rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
  }
  if (rate_n_flags & RATE_HT_MCS_GF_MSK) {
    rx_status->enc_flags |= RX_ENC_FLAG_HT_GF;
  }
  if (rate_n_flags & RATE_MCS_LDPC_MSK) {
    rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
  }
#endif  // NEEDS_PORTING
  if (rate_n_flags & RATE_MCS_HT_MSK) {
#if 0   // NEEDS_PORTING
    // TODO(fxbug.dev/36683)
    uint8_t stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS;
    rx_status->encoding = RX_ENC_HT;
    rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK;
    rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
#endif  // NEEDS_PORTING
    rx_status.rx_info.phy = WLAN_PHY_TYPE_HT;
  } else if (rate_n_flags & RATE_MCS_VHT_MSK) {
#if 0   // NEEDS_PORTING
    // TODO(fxbug.dev/36684)
    uint8_t stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS;
    rx_status->nss = ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> RATE_VHT_MCS_NSS_POS) + 1;
    rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK;
    rx_status->encoding = RX_ENC_VHT;
    rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
    if (rate_n_flags & RATE_MCS_BF_MSK) {
      rx_status->enc_flags |= RX_ENC_FLAG_BF;
    }
#endif  // NEEDS_PORTING
    rx_status.rx_info.phy = WLAN_PHY_TYPE_VHT;
  } else if (!(rate_n_flags & RATE_MCS_HE_MSK)) {
    int rate;
    if (ZX_OK != iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, band, &rate)) {
      IWL_WARN(mvm, "Error converting rate to mac80211 idx");
      goto out;
    }
    if (ZX_OK != mac80211_idx_to_data_rate(band, rate, &rx_status.rx_info.data_rate)) {
      IWL_ERR(mvm, "Cannot convert mac80211 index (%d) to data rate for MLME (band=%d)", rate,
              band);
      goto out;
    }

    if (rate < 0 || rate > 0xFF) {
      IWL_WARN(mvm, "Invalid rate flags 0x%x, band %d", rate_n_flags, band);
      goto out;
    }
    // rx_status->rate_idx = rate;
    rx_status.rx_info.phy =
        phy_info & RX_RES_PHY_FLAGS_MOD_CCK ? WLAN_PHY_TYPE_HR : WLAN_PHY_TYPE_OFDM;
  }
  rx_status.rx_info.valid_fields |= WLAN_RX_INFO_VALID_DATA_RATE;

#if 0   // NEEDS_PORTING
    /* management stuff on default queue */
    if (!queue) {
        if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
                      ieee80211_is_probe_resp(hdr->frame_control)) &&
                     mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED)) {
            mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
        }

        if (unlikely(ieee80211_is_beacon(hdr->frame_control) ||
                     ieee80211_is_probe_resp(hdr->frame_control))) {
            rx_status->boottime_ns = ktime_get_boot_ns();
        }
    }
#endif  // NEEDS_PORTING

  len = iwl_mvm_create_packet(hdr, len, crypt_len, &rx_status, rxb);
  if (!iwl_mvm_reorder(mvm, queue, desc)) {
    iwl_mvm_pass_packet_to_mac80211(mvm, hdr, len, &rx_status, queue, sta);
  }
out:
  iwl_rcu_read_unlock(mvm->dev);
}

void iwl_mvm_rx_monitor_ndp(struct iwl_mvm* mvm, struct napi_struct* napi,
                            struct iwl_rx_cmd_buffer* rxb, int queue) {
#if 0   // NEEDS_PORTING
    struct ieee80211_rx_status* rx_status;
    struct iwl_rx_packet* pkt = rxb_addr(rxb);
    struct iwl_rx_no_data* desc = (void*)pkt->data;
    uint32_t rate_n_flags = le32_to_cpu(desc->rate);
    uint32_t gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time);
    uint32_t rssi = le32_to_cpu(desc->rssi);
    uint32_t info_type = le32_to_cpu(desc->info) & RX_NO_DATA_INFO_TYPE_MSK;
    uint16_t phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD;
    struct ieee80211_sta* sta = NULL;
    struct sk_buff* skb;
    uint8_t channel, energy_a, energy_b;
    struct iwl_mvm_rx_phy_data phy_data = {
        .d0 = desc->phy_info[0],
        .info_type = IWL_RX_PHY_INFO_TYPE_NONE,
    };

    if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) { return; }

    /* Currently only NDP type is supported */
    if (info_type != RX_NO_DATA_INFO_TYPE_NDP) { return; }

    energy_a = (rssi & RX_NO_DATA_CHAIN_A_MSK) >> RX_NO_DATA_CHAIN_A_POS;
    energy_b = (rssi & RX_NO_DATA_CHAIN_B_MSK) >> RX_NO_DATA_CHAIN_B_POS;
    channel = (rssi & RX_NO_DATA_CHANNEL_MSK) >> RX_NO_DATA_CHANNEL_POS;

    phy_data.info_type = le32_get_bits(desc->phy_info[1], IWL_RX_PHY_DATA1_INFO_TYPE_MASK);

    /* Dont use dev_alloc_skb(), we'll have enough headroom once
     * ieee80211_hdr pulled.
     */
    skb = alloc_skb(128, GFP_ATOMIC);
    if (!skb) {
        IWL_ERR(mvm, "alloc_skb failed\n");
        return;
    }

    rx_status = IEEE80211_SKB_RXCB(skb);

    /* 0-length PSDU */
    rx_status->flag |= RX_FLAG_NO_PSDU;
    /* currently this is the only type for which we get this notif */
    rx_status->zero_length_psdu_type = IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING;

    /* This may be overridden by iwl_mvm_rx_he() to HE_RU */
    switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
    case RATE_MCS_CHAN_WIDTH_20:
        break;
    case RATE_MCS_CHAN_WIDTH_40:
        rx_status->bw = RATE_INFO_BW_40;
        break;
    case RATE_MCS_CHAN_WIDTH_80:
        rx_status->bw = RATE_INFO_BW_80;
        break;
    case RATE_MCS_CHAN_WIDTH_160:
        rx_status->bw = RATE_INFO_BW_160;
        break;
    }

    if (rate_n_flags & RATE_MCS_HE_MSK) {
        iwl_mvm_rx_he(mvm, skb, &phy_data, rate_n_flags, phy_info, queue);
    }

    iwl_mvm_decode_lsig(skb, &phy_data);

    rx_status->device_timestamp = gp2_on_air_rise;
    rx_status->band = channel > 14 ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ;
    rx_status->freq = ieee80211_channel_to_frequency(channel, rx_status->band);
    iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags, energy_a, energy_b);

    rcu_read_lock();

    if (!(rate_n_flags & RATE_MCS_CCK_MSK) && rate_n_flags & RATE_MCS_SGI_MSK) {
        rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
    }
    if (rate_n_flags & RATE_HT_MCS_GF_MSK) { rx_status->enc_flags |= RX_ENC_FLAG_HT_GF; }
    if (rate_n_flags & RATE_MCS_LDPC_MSK) { rx_status->enc_flags |= RX_ENC_FLAG_LDPC; }
    if (rate_n_flags & RATE_MCS_HT_MSK) {
        uint8_t stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS;
        rx_status->encoding = RX_ENC_HT;
        rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK;
        rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
    } else if (rate_n_flags & RATE_MCS_VHT_MSK) {
        uint8_t stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS;
        rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK;
        rx_status->encoding = RX_ENC_VHT;
        rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
        if (rate_n_flags & RATE_MCS_BF_MSK) { rx_status->enc_flags |= RX_ENC_FLAG_BF; }
        /*
         * take the nss from the rx_vec since the rate_n_flags has
         * only 2 bits for the nss which gives a max of 4 ss but
         * there may be up to 8 spatial streams
         */
        rx_status->nss = le32_get_bits(desc->rx_vec[0], RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1;
    } else if (rate_n_flags & RATE_MCS_HE_MSK) {
        rx_status->nss = le32_get_bits(desc->rx_vec[0], RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1;
    } else {
        int rate = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, rx_status->band);

        if (WARN(rate < 0 || rate > 0xFF, "Invalid rate flags 0x%x, band %d,\n", rate_n_flags,
                 rx_status->band)) {
            kfree_skb(skb);
            goto out;
        }
        rx_status->rate_idx = rate;
    }

    iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
out:
    rcu_read_unlock();
#endif  // NEEDS_PORTING
}

void iwl_mvm_rx_frame_release(struct iwl_mvm* mvm, struct napi_struct* napi,
                              struct iwl_rx_cmd_buffer* rxb, int queue) {
#if 0   // NEEDS_PORTING
    struct iwl_rx_packet* pkt = rxb_addr(rxb);
    struct iwl_frame_release* release = (void*)pkt->data;
    struct ieee80211_sta* sta;
    struct iwl_mvm_reorder_buffer* reorder_buf;
    struct iwl_mvm_baid_data* ba_data;

    int baid = release->baid;

    IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n", release->baid,
                 le16_to_cpu(release->nssn));

    if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID)) { return; }

    rcu_read_lock();

    ba_data = rcu_dereference(mvm->baid_map[baid]);
    if (WARN_ON_ONCE(!ba_data)) { goto out; }

    sta = rcu_dereference(mvm->fw_id_to_mac_id[ba_data->sta_id]);
    if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { goto out; }

    reorder_buf = &ba_data->reorder_buf[queue];

    spin_lock_bh(&reorder_buf->lock);
    iwl_mvm_release_frames(mvm, sta, napi, ba_data, reorder_buf, le16_to_cpu(release->nssn));
    spin_unlock_bh(&reorder_buf->lock);

out:
    rcu_read_unlock();
#endif  // NEEDS_PORTING
}