// SPDX-License-Identifier: GPL-2.0-only
/*
 * mac80211 configuration hooks for cfg80211
 *
 * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
 * Copyright 2013-2015  Intel Mobile Communications GmbH
 * Copyright (C) 2015-2017 Intel Deutschland GmbH
 * Copyright (C) 2018-2026 Intel Corporation
 */

#include <linux/ieee80211.h>
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
#include <linux/slab.h>
#include <net/net_namespace.h>
#include <linux/rcupdate.h>
#include <linux/fips.h>
#include <linux/if_ether.h>
#include <net/cfg80211.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"
#include "mesh.h"
#include "wme.h"

static struct ieee80211_link_data *
ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id,
                          bool require_valid)
{
        struct ieee80211_link_data *link;

        if (link_id < 0) {
                /*
                 * For keys, if sdata is not an MLD, we might not use
                 * the return value at all (if it's not a pairwise key),
                 * so in that case (require_valid==false) don't error.
                 */
                if (require_valid && ieee80211_vif_is_mld(&sdata->vif))
                        return ERR_PTR(-EINVAL);

                return &sdata->deflink;
        }

        link = sdata_dereference(sdata->link[link_id], sdata);
        if (!link)
                return ERR_PTR(-ENOLINK);
        return link;
}

static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
                                         struct vif_params *params)
{
        bool mu_mimo_groups = false;
        bool mu_mimo_follow = false;

        if (params->vht_mumimo_groups) {
                u64 membership;

                BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);

                memcpy(sdata->vif.bss_conf.mu_group.membership,
                       params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
                memcpy(sdata->vif.bss_conf.mu_group.position,
                       params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
                       WLAN_USER_POSITION_LEN);

                /* don't care about endianness - just check for 0 */
                memcpy(&membership, params->vht_mumimo_groups,
                       WLAN_MEMBERSHIP_LEN);
                mu_mimo_groups = membership != 0;

                /* Unset following if configured explicitly */
                eth_broadcast_addr(sdata->u.mntr.mu_follow_addr);
        }

        if (params->vht_mumimo_follow_addr) {
                mu_mimo_follow =
                        is_valid_ether_addr(params->vht_mumimo_follow_addr);
                ether_addr_copy(sdata->u.mntr.mu_follow_addr,
                                params->vht_mumimo_follow_addr);

                /* Unset current membership until a management frame is RXed */
                memset(sdata->vif.bss_conf.mu_group.membership, 0,
                       WLAN_MEMBERSHIP_LEN);
        }

        sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;

        /* Notify only after setting mu_mimo_owner */
        if (sdata->vif.bss_conf.mu_mimo_owner &&
            sdata->flags & IEEE80211_SDATA_IN_DRIVER)
                ieee80211_link_info_change_notify(sdata, &sdata->deflink,
                                                  BSS_CHANGED_MU_GROUPS);
}

static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
                                     struct vif_params *params)
{
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_sub_if_data *monitor_sdata = NULL;

        /* check flags first */
        if (params->flags && ieee80211_sdata_running(sdata)) {
                u32 mask = MONITOR_FLAG_ACTIVE;

                /*
                 * Prohibit MONITOR_FLAG_ACTIVE to be changed
                 * while the interface is up.
                 * Else we would need to add a lot of cruft
                 * to update everything:
                 *      monitor and all fif_* counters
                 *      reconfigure hardware
                 */
                if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
                        return -EBUSY;
        }

        /* validate whether MU-MIMO can be configured */
        if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
            !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR) &&
            (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
                return -EOPNOTSUPP;

        /* Also update dependent monitor_sdata if required */
        if (test_bit(SDATA_STATE_RUNNING, &sdata->state) &&
            !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
                monitor_sdata = wiphy_dereference(local->hw.wiphy,
                                                  local->monitor_sdata);

        /* apply all changes now - no failures allowed */

        if (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
            ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
                /* This is copied in when the VIF is activated */
                ieee80211_set_mu_mimo_follow(sdata, params);

                if (monitor_sdata)
                        ieee80211_set_mu_mimo_follow(monitor_sdata, params);
        }

        if (params->flags) {
                if (ieee80211_sdata_running(sdata)) {
                        ieee80211_adjust_monitor_flags(sdata, -1);
                        sdata->u.mntr.flags = params->flags;
                        ieee80211_adjust_monitor_flags(sdata, 1);

                        ieee80211_configure_filter(local);
                } else {
                        /*
                         * Because the interface is down, ieee80211_do_stop
                         * and ieee80211_do_open take care of "everything"
                         * mentioned in the comment above.
                         */
                        sdata->u.mntr.flags = params->flags;
                }
        }

        return 0;
}

static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata,
                                           struct cfg80211_mbssid_config *params,
                                           struct ieee80211_bss_conf *link_conf)
{
        struct ieee80211_sub_if_data *tx_sdata;
        struct ieee80211_bss_conf *old;

        link_conf->bssid_index = 0;
        link_conf->nontransmitted = false;
        link_conf->ema_ap = false;
        link_conf->bssid_indicator = 0;

        if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev)
                return -EINVAL;

        old = sdata_dereference(link_conf->tx_bss_conf, sdata);
        if (old)
                return -EALREADY;

        tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params->tx_wdev);
        if (!tx_sdata)
                return -EINVAL;

        if (tx_sdata == sdata) {
                rcu_assign_pointer(link_conf->tx_bss_conf, link_conf);
        } else {
                struct ieee80211_bss_conf *tx_bss_conf;

                tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id],
                                                sdata);
                if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf)
                        return -EINVAL;

                rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf);

                link_conf->nontransmitted = true;
                link_conf->bssid_index = params->index;
                link_conf->bssid_indicator = tx_bss_conf->bssid_indicator;
        }
        if (params->ema)
                link_conf->ema_ap = true;

        return 0;
}

static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
                                                const char *name,
                                                unsigned char name_assign_type,
                                                enum nl80211_iftype type,
                                                struct vif_params *params)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct wireless_dev *wdev;
        struct ieee80211_sub_if_data *sdata;
        int err;

        err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
        if (err)
                return ERR_PTR(err);

        sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        if (type == NL80211_IFTYPE_MONITOR) {
                err = ieee80211_set_mon_options(sdata, params);
                if (err) {
                        ieee80211_if_remove(sdata);
                        return NULL;
                }
        }

        /* Let the driver know that an interface is going to be added.
         * Indicate so only for interface types that will be added to the
         * driver.
         */
        switch (type) {
        case NL80211_IFTYPE_AP_VLAN:
                break;
        case NL80211_IFTYPE_MONITOR:
                if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
                    !(params->flags & MONITOR_FLAG_ACTIVE))
                        break;
                fallthrough;
        default:
                drv_prep_add_interface(local,
                                       ieee80211_vif_type_p2p(&sdata->vif));
                break;
        }

        return wdev;
}

static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
{
        ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));

        return 0;
}

static int ieee80211_change_iface(struct wiphy *wiphy,
                                  struct net_device *dev,
                                  enum nl80211_iftype type,
                                  struct vif_params *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;
        struct sta_info *sta;
        int ret;

        lockdep_assert_wiphy(local->hw.wiphy);

        ret = ieee80211_if_change_type(sdata, type);
        if (ret)
                return ret;

        if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
                RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
                ieee80211_check_fast_rx_iface(sdata);
        } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
                struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;

                if (params->use_4addr == ifmgd->use_4addr)
                        return 0;

                sdata->u.mgd.use_4addr = params->use_4addr;
                if (!ifmgd->associated)
                        return 0;

                sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid);
                if (sta)
                        drv_sta_set_4addr(local, sdata, &sta->sta,
                                          params->use_4addr);

                if (params->use_4addr)
                        ieee80211_send_4addr_nullfunc(local, sdata);
        }

        if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
                ret = ieee80211_set_mon_options(sdata, params);
                if (ret)
                        return ret;
        }

        return 0;
}

static int ieee80211_start_p2p_device(struct wiphy *wiphy,
                                      struct wireless_dev *wdev)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        int ret;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
        if (ret < 0)
                return ret;

        return ieee80211_do_open(wdev, true);
}

static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
                                      struct wireless_dev *wdev)
{
        ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
}

static void ieee80211_nan_conf_free(struct cfg80211_nan_conf *conf)
{
        kfree(conf->extra_nan_attrs);
        kfree(conf->vendor_elems);
        memset(conf, 0, sizeof(*conf));
}

static void ieee80211_stop_nan(struct wiphy *wiphy,
                               struct wireless_dev *wdev)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        if (!sdata->u.nan.started)
                return;

        drv_stop_nan(sdata->local, sdata);
        sdata->u.nan.started = false;

        ieee80211_nan_conf_free(&sdata->u.nan.conf);

        ieee80211_sdata_stop(sdata);
        ieee80211_recalc_idle(sdata->local);
}

static int ieee80211_nan_conf_copy(struct cfg80211_nan_conf *dst,
                                   struct cfg80211_nan_conf *src,
                                   u32 changes)
{
        if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
                dst->master_pref = src->master_pref;

        if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
                dst->bands = src->bands;

        if (changes & CFG80211_NAN_CONF_CHANGED_CONFIG) {
                dst->scan_period = src->scan_period;
                dst->scan_dwell_time = src->scan_dwell_time;
                dst->discovery_beacon_interval =
                        src->discovery_beacon_interval;
                dst->enable_dw_notification = src->enable_dw_notification;
                memcpy(&dst->band_cfgs, &src->band_cfgs,
                       sizeof(dst->band_cfgs));

                kfree(dst->extra_nan_attrs);
                dst->extra_nan_attrs = NULL;
                dst->extra_nan_attrs_len = 0;

                kfree(dst->vendor_elems);
                dst->vendor_elems = NULL;
                dst->vendor_elems_len = 0;

                if (is_zero_ether_addr(dst->cluster_id))
                        ether_addr_copy(dst->cluster_id, src->cluster_id);

                if (src->extra_nan_attrs && src->extra_nan_attrs_len) {
                        dst->extra_nan_attrs = kmemdup(src->extra_nan_attrs,
                                                       src->extra_nan_attrs_len,
                                                       GFP_KERNEL);
                        if (!dst->extra_nan_attrs)
                                goto no_mem;

                        dst->extra_nan_attrs_len = src->extra_nan_attrs_len;
                }

                if (src->vendor_elems && src->vendor_elems_len) {
                        dst->vendor_elems = kmemdup(src->vendor_elems,
                                                    src->vendor_elems_len,
                                                    GFP_KERNEL);
                        if (!dst->vendor_elems)
                                goto no_mem;

                        dst->vendor_elems_len = src->vendor_elems_len;
                }
        }

        return 0;

no_mem:
        ieee80211_nan_conf_free(dst);
        return -ENOMEM;
}

static int ieee80211_start_nan(struct wiphy *wiphy,
                               struct wireless_dev *wdev,
                               struct cfg80211_nan_conf *conf)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        int ret;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        if (sdata->u.nan.started)
                return -EALREADY;

        ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
        if (ret < 0)
                return ret;

        ret = ieee80211_do_open(wdev, true);
        if (ret)
                return ret;

        ret = drv_start_nan(sdata->local, sdata, conf);
        if (ret) {
                ieee80211_sdata_stop(sdata);
                return ret;
        }

        sdata->u.nan.started = true;
        ieee80211_recalc_idle(sdata->local);

        ret = ieee80211_nan_conf_copy(&sdata->u.nan.conf, conf, 0xFFFFFFFF);
        if (ret) {
                ieee80211_stop_nan(wiphy, wdev);
                return ret;
        }

        return 0;
}

static int ieee80211_nan_change_conf(struct wiphy *wiphy,
                                     struct wireless_dev *wdev,
                                     struct cfg80211_nan_conf *conf,
                                     u32 changes)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct cfg80211_nan_conf new_conf = {};
        int ret = 0;

        if (sdata->vif.type != NL80211_IFTYPE_NAN)
                return -EOPNOTSUPP;

        if (!ieee80211_sdata_running(sdata))
                return -ENETDOWN;

        if (!changes)
                return 0;

        /* First make a full copy of the previous configuration and then apply
         * the changes. This might be a little wasteful, but it is simpler.
         */
        ret = ieee80211_nan_conf_copy(&new_conf, &sdata->u.nan.conf,
                                      0xFFFFFFFF);
        if (ret < 0)
                return ret;

        ret = ieee80211_nan_conf_copy(&new_conf, conf, changes);
        if (ret < 0)
                return ret;

        ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
        if (ret) {
                ieee80211_nan_conf_free(&new_conf);
        } else {
                ieee80211_nan_conf_free(&sdata->u.nan.conf);
                sdata->u.nan.conf = new_conf;
        }

        return ret;
}

static int ieee80211_add_nan_func(struct wiphy *wiphy,
                                  struct wireless_dev *wdev,
                                  struct cfg80211_nan_func *nan_func)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        int ret;

        if (sdata->vif.type != NL80211_IFTYPE_NAN)
                return -EOPNOTSUPP;

        if (!ieee80211_sdata_running(sdata))
                return -ENETDOWN;

        if (WARN_ON(wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE))
                return -EOPNOTSUPP;

        spin_lock_bh(&sdata->u.nan.de.func_lock);

        ret = idr_alloc(&sdata->u.nan.de.function_inst_ids,
                        nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
                        GFP_ATOMIC);
        spin_unlock_bh(&sdata->u.nan.de.func_lock);

        if (ret < 0)
                return ret;

        nan_func->instance_id = ret;

        WARN_ON(nan_func->instance_id == 0);

        ret = drv_add_nan_func(sdata->local, sdata, nan_func);
        if (ret) {
                spin_lock_bh(&sdata->u.nan.de.func_lock);
                idr_remove(&sdata->u.nan.de.function_inst_ids,
                           nan_func->instance_id);
                spin_unlock_bh(&sdata->u.nan.de.func_lock);
        }

        return ret;
}

static struct cfg80211_nan_func *
ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
                                  u64 cookie)
{
        struct cfg80211_nan_func *func;
        int id;

        lockdep_assert_held(&sdata->u.nan.de.func_lock);

        idr_for_each_entry(&sdata->u.nan.de.function_inst_ids, func, id) {
                if (func->cookie == cookie)
                        return func;
        }

        return NULL;
}

static void ieee80211_del_nan_func(struct wiphy *wiphy,
                                  struct wireless_dev *wdev, u64 cookie)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct cfg80211_nan_func *func;
        u8 instance_id = 0;

        if (sdata->vif.type != NL80211_IFTYPE_NAN ||
            !ieee80211_sdata_running(sdata))
                return;

        if (WARN_ON(wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE))
                return;

        spin_lock_bh(&sdata->u.nan.de.func_lock);

        func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
        if (func)
                instance_id = func->instance_id;

        spin_unlock_bh(&sdata->u.nan.de.func_lock);

        if (instance_id)
                drv_del_nan_func(sdata->local, sdata, instance_id);
}

static int ieee80211_set_noack_map(struct wiphy *wiphy,
                                  struct net_device *dev,
                                  u16 noack_map)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        sdata->noack_map = noack_map;

        ieee80211_check_fast_xmit_iface(sdata);

        return 0;
}

static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
                            const u8 *mac_addr, u8 key_idx)
{
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_key *key;
        struct sta_info *sta;
        int ret = -EINVAL;

        if (!wiphy_ext_feature_isset(local->hw.wiphy,
                                     NL80211_EXT_FEATURE_EXT_KEY_ID))
                return -EINVAL;

        sta = sta_info_get_bss(sdata, mac_addr);

        if (!sta)
                return -EINVAL;

        if (sta->ptk_idx == key_idx)
                return 0;

        key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]);

        if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
                ret = ieee80211_set_tx_key(key);

        return ret;
}

static int ieee80211_add_key(struct wiphy *wiphy, struct wireless_dev *wdev,
                             int link_id, u8 key_idx, bool pairwise,
                             const u8 *mac_addr, struct key_params *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_link_data *link =
                ieee80211_link_or_deflink(sdata, link_id, false);
        struct ieee80211_local *local = sdata->local;
        struct sta_info *sta = NULL;
        struct ieee80211_key *key;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        if (!ieee80211_sdata_running(sdata))
                return -ENETDOWN;

        if (IS_ERR(link))
                return PTR_ERR(link);

        if (WARN_ON(pairwise && link_id >= 0))
                return -EINVAL;

        if (pairwise && params->mode == NL80211_KEY_SET_TX)
                return ieee80211_set_tx(sdata, mac_addr, key_idx);

        /* reject WEP and TKIP keys if WEP failed to initialize */
        switch (params->cipher) {
        case WLAN_CIPHER_SUITE_WEP40:
        case WLAN_CIPHER_SUITE_TKIP:
        case WLAN_CIPHER_SUITE_WEP104:
                if (link_id >= 0)
                        return -EINVAL;
                if (WARN_ON_ONCE(fips_enabled))
                        return -EINVAL;
                break;
        default:
                break;
        }

        key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
                                  params->key, params->seq_len, params->seq);
        if (IS_ERR(key))
                return PTR_ERR(key);

        if (pairwise) {
                key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
                key->conf.link_id = -1;
        } else {
                key->conf.link_id = link->link_id;
        }

        if (params->mode == NL80211_KEY_NO_TX)
                key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;

        if (mac_addr) {
                sta = sta_info_get_bss(sdata, mac_addr);
                /*
                 * The ASSOC test makes sure the driver is ready to
                 * receive the key. When wpa_supplicant has roamed
                 * using FT, it attempts to set the key before
                 * association has completed, this rejects that attempt
                 * so it will set the key again after association.
                 *
                 * With (re)association frame encryption enabled, cfg80211
                 * may deliver keys to mac80211 before the station has
                 * associated. In that case, accept the key if the station
                 * is an Enhanced Privacy Protection (EPP) peer.
                 * If (re)association frame encryption support is not present,
                 * cfg80211 will not allow key installation in non‑AP STA mode.
                 *
                 * TODO: accept the key if we have a station entry and
                 *       add it to the device after the station associates.
                 */
                if (!sta || (!sta->sta.epp_peer &&
                             !test_sta_flag(sta, WLAN_STA_ASSOC))) {
                        ieee80211_key_free_unused(key);
                        return -ENOENT;
                }
        }

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_STATION:
                if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
                        key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
                break;
        case NL80211_IFTYPE_AP:
        case NL80211_IFTYPE_AP_VLAN:
        case NL80211_IFTYPE_NAN:
        case NL80211_IFTYPE_NAN_DATA:
                /* Keys without a station are used for TX only */
                if (sta && test_sta_flag(sta, WLAN_STA_MFP))
                        key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
                break;
        case NL80211_IFTYPE_ADHOC:
                /* no MFP (yet) */
                break;
        case NL80211_IFTYPE_MESH_POINT:
#ifdef CONFIG_MAC80211_MESH
                if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
                        key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
                break;
#endif
        case NL80211_IFTYPE_WDS:
        case NL80211_IFTYPE_MONITOR:
        case NL80211_IFTYPE_P2P_DEVICE:
        case NL80211_IFTYPE_PD:
        case NL80211_IFTYPE_UNSPECIFIED:
        case NUM_NL80211_IFTYPES:
        case NL80211_IFTYPE_P2P_CLIENT:
        case NL80211_IFTYPE_P2P_GO:
        case NL80211_IFTYPE_OCB:
                /* shouldn't happen */
                WARN_ON_ONCE(1);
                break;
        }

        err = ieee80211_key_link(key, link, sta);
        /* KRACK protection, shouldn't happen but just silently accept key */
        if (err == -EALREADY)
                err = 0;

        return err;
}

static struct ieee80211_key *
ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
                     u8 key_idx, bool pairwise, const u8 *mac_addr)
{
        struct ieee80211_local *local __maybe_unused = sdata->local;
        struct ieee80211_link_data *link = &sdata->deflink;
        struct ieee80211_key *key;

        if (link_id >= 0) {
                link = sdata_dereference(sdata->link[link_id], sdata);
                if (!link)
                        return NULL;
        }

        if (mac_addr) {
                struct sta_info *sta;
                struct link_sta_info *link_sta;

                sta = sta_info_get_bss(sdata, mac_addr);
                if (!sta)
                        return NULL;

                if (link_id >= 0) {
                        link_sta = rcu_dereference_check(sta->link[link_id],
                                                         lockdep_is_held(&local->hw.wiphy->mtx));
                        if (!link_sta)
                                return NULL;
                } else {
                        link_sta = &sta->deflink;
                }

                if (pairwise && key_idx < NUM_DEFAULT_KEYS)
                        return wiphy_dereference(local->hw.wiphy,
                                                 sta->ptk[key_idx]);

                if (!pairwise &&
                    key_idx < NUM_DEFAULT_KEYS +
                              NUM_DEFAULT_MGMT_KEYS +
                              NUM_DEFAULT_BEACON_KEYS)
                        return wiphy_dereference(local->hw.wiphy,
                                                 link_sta->gtk[key_idx]);

                return NULL;
        }

        if (pairwise && key_idx < NUM_DEFAULT_KEYS)
                return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);

        key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]);
        if (key)
                return key;

        /* or maybe it was a WEP key */
        if (key_idx < NUM_DEFAULT_KEYS)
                return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);

        return NULL;
}

static int ieee80211_del_key(struct wiphy *wiphy, struct wireless_dev *wdev,
                             int link_id, u8 key_idx, bool pairwise,
                             const u8 *mac_addr)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_key *key;

        lockdep_assert_wiphy(local->hw.wiphy);

        key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
        if (!key)
                return -ENOENT;

        ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);

        return 0;
}

static int ieee80211_get_key(struct wiphy *wiphy, struct wireless_dev *wdev,
                             int link_id, u8 key_idx, bool pairwise,
                             const u8 *mac_addr, void *cookie,
                             void (*callback)(void *cookie,
                                              struct key_params *params))
{
        struct ieee80211_sub_if_data *sdata;
        u8 seq[6] = {0};
        struct key_params params;
        struct ieee80211_key *key;
        u64 pn64;
        u32 iv32;
        u16 iv16;
        int err = -ENOENT;
        struct ieee80211_key_seq kseq = {};

        sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        rcu_read_lock();

        key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
        if (!key)
                goto out;

        memset(&params, 0, sizeof(params));

        params.cipher = key->conf.cipher;

        switch (key->conf.cipher) {
        case WLAN_CIPHER_SUITE_TKIP:
                pn64 = atomic64_read(&key->conf.tx_pn);
                iv32 = TKIP_PN_TO_IV32(pn64);
                iv16 = TKIP_PN_TO_IV16(pn64);

                if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
                    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
                        drv_get_key_seq(sdata->local, key, &kseq);
                        iv32 = kseq.tkip.iv32;
                        iv16 = kseq.tkip.iv16;
                }

                seq[0] = iv16 & 0xff;
                seq[1] = (iv16 >> 8) & 0xff;
                seq[2] = iv32 & 0xff;
                seq[3] = (iv32 >> 8) & 0xff;
                seq[4] = (iv32 >> 16) & 0xff;
                seq[5] = (iv32 >> 24) & 0xff;
                params.seq = seq;
                params.seq_len = 6;
                break;
        case WLAN_CIPHER_SUITE_CCMP:
        case WLAN_CIPHER_SUITE_CCMP_256:
        case WLAN_CIPHER_SUITE_AES_CMAC:
        case WLAN_CIPHER_SUITE_BIP_CMAC_256:
                BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
                             offsetof(typeof(kseq), aes_cmac));
                fallthrough;
        case WLAN_CIPHER_SUITE_BIP_GMAC_128:
        case WLAN_CIPHER_SUITE_BIP_GMAC_256:
                BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
                             offsetof(typeof(kseq), aes_gmac));
                fallthrough;
        case WLAN_CIPHER_SUITE_GCMP:
        case WLAN_CIPHER_SUITE_GCMP_256:
                BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
                             offsetof(typeof(kseq), gcmp));

                if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
                    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
                        drv_get_key_seq(sdata->local, key, &kseq);
                        memcpy(seq, kseq.ccmp.pn, 6);
                } else {
                        pn64 = atomic64_read(&key->conf.tx_pn);
                        seq[0] = pn64;
                        seq[1] = pn64 >> 8;
                        seq[2] = pn64 >> 16;
                        seq[3] = pn64 >> 24;
                        seq[4] = pn64 >> 32;
                        seq[5] = pn64 >> 40;
                }
                params.seq = seq;
                params.seq_len = 6;
                break;
        default:
                if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
                        break;
                if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
                        break;
                drv_get_key_seq(sdata->local, key, &kseq);
                params.seq = kseq.hw.seq;
                params.seq_len = kseq.hw.seq_len;
                break;
        }

        callback(cookie, &params);
        err = 0;

 out:
        rcu_read_unlock();
        return err;
}

static int ieee80211_config_default_key(struct wiphy *wiphy,
                                        struct net_device *dev,
                                        int link_id, u8 key_idx, bool uni,
                                        bool multi)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_link_data *link =
                ieee80211_link_or_deflink(sdata, link_id, false);

        if (IS_ERR(link))
                return PTR_ERR(link);

        ieee80211_set_default_key(link, key_idx, uni, multi);

        return 0;
}

static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
                                             struct wireless_dev *wdev,
                                             int link_id, u8 key_idx)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_link_data *link =
                ieee80211_link_or_deflink(sdata, link_id, true);

        if (IS_ERR(link))
                return PTR_ERR(link);

        ieee80211_set_default_mgmt_key(link, key_idx);

        return 0;
}

static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
                                               struct wireless_dev *wdev,
                                               int link_id, u8 key_idx)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_link_data *link =
                ieee80211_link_or_deflink(sdata, link_id, true);

        if (IS_ERR(link))
                return PTR_ERR(link);

        ieee80211_set_default_beacon_key(link, key_idx);

        return 0;
}

void sta_set_rate_info_tx(struct sta_info *sta,
                          const struct ieee80211_tx_rate *rate,
                          struct rate_info *rinfo)
{
        rinfo->flags = 0;
        if (rate->flags & IEEE80211_TX_RC_MCS) {
                rinfo->flags |= RATE_INFO_FLAGS_MCS;
                rinfo->mcs = rate->idx;
        } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
                rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
                rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
                rinfo->nss = ieee80211_rate_get_vht_nss(rate);
        } else {
                struct ieee80211_supported_band *sband;

                sband = ieee80211_get_sband(sta->sdata);
                WARN_ON_ONCE(sband && !sband->bitrates);
                if (sband && sband->bitrates)
                        rinfo->legacy = sband->bitrates[rate->idx].bitrate;
        }
        if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
                rinfo->bw = RATE_INFO_BW_40;
        else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
                rinfo->bw = RATE_INFO_BW_80;
        else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
                rinfo->bw = RATE_INFO_BW_160;
        else
                rinfo->bw = RATE_INFO_BW_20;
        if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
                rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
}

static int ieee80211_dump_station(struct wiphy *wiphy, struct wireless_dev *wdev,
                                  int idx, u8 *mac, struct station_info *sinfo)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_local *local = sdata->local;
        struct sta_info *sta;
        int ret = -ENOENT;

        lockdep_assert_wiphy(local->hw.wiphy);

        sta = sta_info_get_by_idx(sdata, idx);
        if (sta) {
                ret = 0;
                memcpy(mac, sta->sta.addr, ETH_ALEN);
                sta_set_sinfo(sta, sinfo, true);

                /* Add accumulated removed link data to sinfo data for
                 * consistency for MLO
                 */
                if (sinfo->valid_links)
                        sta_set_accumulated_removed_links_sinfo(sta, sinfo);

        }

        return ret;
}

static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
                                 int idx, struct survey_info *survey)
{
        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);

        return drv_get_survey(local, idx, survey);
}

static int ieee80211_get_station(struct wiphy *wiphy,
                                 struct wireless_dev *wdev,
                                 const u8 *mac, struct station_info *sinfo)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_local *local = sdata->local;
        struct sta_info *sta;
        int ret = -ENOENT;

        lockdep_assert_wiphy(local->hw.wiphy);

        sta = sta_info_get_bss(sdata, mac);
        if (sta) {
                ret = 0;
                sta_set_sinfo(sta, sinfo, true);

                /* Add accumulated removed link data to sinfo data for
                 * consistency for MLO
                 */
                if (sinfo->valid_links)
                        sta_set_accumulated_removed_links_sinfo(sta, sinfo);
        }

        return ret;
}

static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
                                         struct net_device *dev,
                                         struct cfg80211_chan_def *chandef)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata;
        struct ieee80211_chan_req chanreq = { .oper = *chandef };
        int ret;

        lockdep_assert_wiphy(local->hw.wiphy);

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
                if (cfg80211_chandef_identical(&local->monitor_chanreq.oper,
                                               &chanreq.oper))
                        return 0;

                sdata = wiphy_dereference(wiphy, local->monitor_sdata);
                if (!sdata)
                        goto done;
        }

        if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) &&
            cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper,
                                       &chanreq.oper))
                return 0;

        ieee80211_link_release_channel(&sdata->deflink);
        ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
                                         IEEE80211_CHANCTX_SHARED);
        if (ret)
                return ret;
done:
        local->monitor_chanreq = chanreq;
        return 0;
}

static int
ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
                         const u8 *resp, size_t resp_len,
                         const struct ieee80211_csa_settings *csa,
                         const struct ieee80211_color_change_settings *cca,
                         struct ieee80211_link_data *link)
{
        struct probe_resp *new, *old;

        if (!resp || !resp_len)
                return 1;

        old = sdata_dereference(link->u.ap.probe_resp, sdata);

        new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
        if (!new)
                return -ENOMEM;

        new->len = resp_len;
        memcpy(new->data, resp, resp_len);

        if (csa)
                memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
                       csa->n_counter_offsets_presp *
                       sizeof(new->cntdwn_counter_offsets[0]));
        else if (cca)
                new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;

        rcu_assign_pointer(link->u.ap.probe_resp, new);
        if (old)
                kfree_rcu(old, rcu_head);

        return 0;
}

static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
                                        struct cfg80211_fils_discovery *params,
                                        struct ieee80211_link_data *link,
                                        struct ieee80211_bss_conf *link_conf,
                                        u64 *changed)
{
        struct fils_discovery_data *new, *old = NULL;
        struct ieee80211_fils_discovery *fd;

        if (!params->update)
                return 0;

        fd = &link_conf->fils_discovery;
        fd->min_interval = params->min_interval;
        fd->max_interval = params->max_interval;

        old = sdata_dereference(link->u.ap.fils_discovery, sdata);
        if (params->tmpl && params->tmpl_len) {
                new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
                if (!new)
                        return -ENOMEM;
                new->len = params->tmpl_len;
                memcpy(new->data, params->tmpl, params->tmpl_len);
                rcu_assign_pointer(link->u.ap.fils_discovery, new);
        } else {
                RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
        }

        if (old)
                kfree_rcu(old, rcu_head);

        *changed |= BSS_CHANGED_FILS_DISCOVERY;
        return 0;
}

static int
ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
                                     struct cfg80211_unsol_bcast_probe_resp *params,
                                     struct ieee80211_link_data *link,
                                     struct ieee80211_bss_conf *link_conf,
                                     u64 *changed)
{
        struct unsol_bcast_probe_resp_data *new, *old = NULL;

        if (!params->update)
                return 0;

        link_conf->unsol_bcast_probe_resp_interval = params->interval;

        old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);

        if (params->tmpl && params->tmpl_len) {
                new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
                if (!new)
                        return -ENOMEM;
                new->len = params->tmpl_len;
                memcpy(new->data, params->tmpl, params->tmpl_len);
                rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new);
        } else {
                RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
        }

        if (old)
                kfree_rcu(old, rcu_head);

        *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
        return 0;
}

static int
ieee80211_set_s1g_short_beacon(struct ieee80211_sub_if_data *sdata,
                               struct ieee80211_link_data *link,
                               struct cfg80211_s1g_short_beacon *params)
{
        struct s1g_short_beacon_data *new;
        struct s1g_short_beacon_data *old =
                sdata_dereference(link->u.ap.s1g_short_beacon, sdata);
        size_t new_len =
                sizeof(*new) + params->short_head_len + params->short_tail_len;

        if (!params->update)
                return 0;

        if (!params->short_head)
                return -EINVAL;

        new = kzalloc(new_len, GFP_KERNEL);
        if (!new)
                return -ENOMEM;

        /* Memory layout: | struct | head | tail | */
        new->short_head = (u8 *)new + sizeof(*new);
        new->short_head_len = params->short_head_len;
        memcpy(new->short_head, params->short_head, params->short_head_len);

        if (params->short_tail) {
                new->short_tail = new->short_head + params->short_head_len;
                new->short_tail_len = params->short_tail_len;
                memcpy(new->short_tail, params->short_tail,
                       params->short_tail_len);
        }

        rcu_assign_pointer(link->u.ap.s1g_short_beacon, new);

        if (old)
                kfree_rcu(old, rcu_head);

        return 0;
}

static int ieee80211_set_ftm_responder_params(
                                struct ieee80211_sub_if_data *sdata,
                                const u8 *lci, size_t lci_len,
                                const u8 *civicloc, size_t civicloc_len,
                                struct ieee80211_bss_conf *link_conf)
{
        struct ieee80211_ftm_responder_params *new, *old;
        u8 *pos;
        int len;

        if (!lci_len && !civicloc_len)
                return 0;

        old = link_conf->ftmr_params;
        len = lci_len + civicloc_len;

        new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
        if (!new)
                return -ENOMEM;

        pos = (u8 *)(new + 1);
        if (lci_len) {
                new->lci_len = lci_len;
                new->lci = pos;
                memcpy(pos, lci, lci_len);
                pos += lci_len;
        }

        if (civicloc_len) {
                new->civicloc_len = civicloc_len;
                new->civicloc = pos;
                memcpy(pos, civicloc, civicloc_len);
                pos += civicloc_len;
        }

        link_conf->ftmr_params = new;
        kfree(old);

        return 0;
}

static int
ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst,
                             struct cfg80211_mbssid_elems *src)
{
        int i, offset = 0;

        dst->cnt = src->cnt;
        for (i = 0; i < src->cnt; i++) {
                memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
                dst->elem[i].len = src->elem[i].len;
                dst->elem[i].data = pos + offset;
                offset += dst->elem[i].len;
        }

        return offset;
}

static int
ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst,
                          struct cfg80211_rnr_elems *src)
{
        int i, offset = 0;

        dst->cnt = src->cnt;
        for (i = 0; i < src->cnt; i++) {
                memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
                dst->elem[i].len = src->elem[i].len;
                dst->elem[i].data = pos + offset;
                offset += dst->elem[i].len;
        }

        return offset;
}

static enum ieee80211_sta_rx_bandwidth
ieee80211_calc_ap_he_and_lower(struct cfg80211_beacon_data *params)
{
        const struct ieee80211_vht_operation *vht_oper = params->vht_oper;
        int ccfs0, ccfs1;

        if (params->he_oper) {
                const struct ieee80211_he_6ghz_oper *he_6ghz_oper;

                if (params->he_oper->he_oper_params &
                                cpu_to_le32(IEEE80211_HE_OPERATION_VHT_OPER_INFO))
                        vht_oper = (void *)params->he_oper->optional;

                he_6ghz_oper = ieee80211_he_6ghz_oper(params->he_oper);
                if (he_6ghz_oper) {
                        switch (u8_get_bits(he_6ghz_oper->control,
                                            IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) {
                        case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ:
                                return IEEE80211_STA_RX_BW_20;
                        case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ:
                                return IEEE80211_STA_RX_BW_40;
                        case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ:
                                return IEEE80211_STA_RX_BW_80;
                        case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ:
                                return IEEE80211_STA_RX_BW_160;
                        }
                }
        }

        if (vht_oper) {
                switch (vht_oper->chan_width) {
                case IEEE80211_VHT_CHANWIDTH_USE_HT:
                        /* check for HT (or fall down to 20) below */
                        break;
                case IEEE80211_VHT_CHANWIDTH_160MHZ:
                case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
                        /* deprecated encodings */
                        return IEEE80211_STA_RX_BW_160;
                case IEEE80211_VHT_CHANWIDTH_80MHZ:
                        /*
                         * See IEEE 802.11-2020 Table 9-352-BSS bandwidth
                         * when the VHT Operation Information field Channel
                         * Width subfield is 1
                         *
                         * (IEEE80211_VHT_CHANWIDTH_80MHZ == 1)
                         */
                        ccfs0 = vht_oper->center_freq_seg0_idx;
                        ccfs1 = vht_oper->center_freq_seg1_idx;
                        if (!ccfs0)
                                return IEEE80211_STA_RX_BW_80;
                        if (ccfs1 && abs(ccfs1 - ccfs0) == 8)
                                return IEEE80211_STA_RX_BW_160;
                        /* 80+80 - RX BW doesn't cover that / uses 160 */
                        if (ccfs1 && abs(ccfs1 - ccfs0) > 16)
                                return IEEE80211_STA_RX_BW_160;
                        fallthrough;
                default:
                        /* reserved encoding - assume 80 */
                        return IEEE80211_STA_RX_BW_80;
                }
        }

        if (params->ht_oper) {
                switch (u8_get_bits(params->ht_oper->ht_param,
                                    IEEE80211_HT_PARAM_CHA_SEC_OFFSET)) {
                case IEEE80211_HT_PARAM_CHA_SEC_NONE:
                default: /* invalid values */
                        return IEEE80211_STA_RX_BW_20;
                case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
                case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
                        return IEEE80211_STA_RX_BW_40;
                }
        }

        /* nothing found, must be 20 MHz */
        return IEEE80211_STA_RX_BW_20;
}

static enum ieee80211_sta_rx_bandwidth
ieee80211_calc_ap_eht_bw(struct cfg80211_beacon_data *params,
                         enum ieee80211_sta_rx_bandwidth he_and_lower)
{
        const struct ieee80211_eht_operation_info *info;

        if (!params->eht_oper)
                return he_and_lower;

        info = ieee80211_eht_oper_info(params->eht_oper);
        if (!info)
                return he_and_lower;

        switch (u8_get_bits(info->control, IEEE80211_EHT_OPER_CHAN_WIDTH)) {
        case IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ:
                return IEEE80211_STA_RX_BW_20;
        case IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ:
                return IEEE80211_STA_RX_BW_40;
        case IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ:
                return IEEE80211_STA_RX_BW_80;
        case IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ:
                return IEEE80211_STA_RX_BW_160;
        case IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ:
                return IEEE80211_STA_RX_BW_320;
        }

        /* invalid setting, assume 20 MHz */
        return IEEE80211_STA_RX_BW_20;
}

static void ieee80211_update_ap_bandwidth(struct ieee80211_link_data *link,
                                          struct cfg80211_beacon_data *params)
{
        struct ieee80211_local *local = link->sdata->local;
        struct ieee80211_chanctx_conf *chanctx_conf;
        struct ieee80211_chanctx *chanctx;

        /*
         * Updating the beacon might, without even changing the channel, cause
         * the usable bandwidth for some stations to be changed, for example
         * if the beacon configuration is EHT with 160 MHz, HE could change
         * between 20, 40, 80 and 160 MHz, and HE (or lower) clients need to
         * be handled accordingly.
         * Calculate the HE and lower bandwidth and apply that to all stations.
         *
         * In the future, this also needs to calculate EHT bandwidth and apply
         * it to all stations not using UHR DBE, since the chandef would then
         * include DBE.
         */

        if (link->conf->chanreq.oper.chan->band == NL80211_BAND_S1GHZ)
                return;

        link->bss_bw.he_and_lower = ieee80211_calc_ap_he_and_lower(params);
        link->bss_bw.eht = ieee80211_calc_ap_eht_bw(params,
                                                    link->bss_bw.he_and_lower);

        chanctx_conf = sdata_dereference(link->conf->chanctx_conf, link->sdata);
        chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);

        /*
         * Note: this relies on ieee80211_recalc_chanctx_min_def() having
         * the side effect of updating all stations, if they changed; that
         * was normally for when the chandef changed but is used here too.
         */
        ieee80211_recalc_chanctx_min_def(local, chanctx);
}

static int
ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
                        struct ieee80211_link_data *link,
                        struct cfg80211_beacon_data *params,
                        const struct ieee80211_csa_settings *csa,
                        const struct ieee80211_color_change_settings *cca,
                        u64 *changed)
{
        struct cfg80211_mbssid_elems *mbssid = NULL;
        struct cfg80211_rnr_elems *rnr = NULL;
        struct beacon_data *new, *old;
        int new_head_len, new_tail_len;
        int size, err;
        u64 _changed = BSS_CHANGED_BEACON;
        struct ieee80211_bss_conf *link_conf = link->conf;

        old = sdata_dereference(link->u.ap.beacon, sdata);

        /* Need to have a beacon head if we don't have one yet */
        if (!params->head && !old)
                return -EINVAL;

        /* new or old head? */
        if (params->head)
                new_head_len = params->head_len;
        else
                new_head_len = old->head_len;

        /* new or old tail? */
        if (params->tail || !old)
                /* params->tail_len will be zero for !params->tail */
                new_tail_len = params->tail_len;
        else
                new_tail_len = old->tail_len;

        size = sizeof(*new) + new_head_len + new_tail_len;

        if (params->mbssid_ies) {
                mbssid = params->mbssid_ies;
                size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
                if (params->rnr_ies) {
                        rnr = params->rnr_ies;
                        size += struct_size(new->rnr_ies, elem, rnr->cnt);
                }
                size += ieee80211_get_mbssid_beacon_len(mbssid, rnr,
                                                        mbssid->cnt);
        }

        new = kzalloc(size, GFP_KERNEL);
        if (!new)
                return -ENOMEM;

        /* start filling the new info now */

        /*
         * pointers go into the block we allocated,
         * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies
         */
        new->head = ((u8 *) new) + sizeof(*new);
        new->tail = new->head + new_head_len;
        new->head_len = new_head_len;
        new->tail_len = new_tail_len;
        /* copy in optional mbssid_ies */
        if (mbssid) {
                u8 *pos = new->tail + new->tail_len;

                new->mbssid_ies = (void *)pos;
                pos += struct_size(new->mbssid_ies, elem, mbssid->cnt);
                pos += ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies,
                                                    mbssid);
                if (rnr) {
                        new->rnr_ies = (void *)pos;
                        pos += struct_size(new->rnr_ies, elem, rnr->cnt);
                        ieee80211_copy_rnr_beacon(pos, new->rnr_ies, rnr);
                }
                /* update bssid_indicator */
                if (new->mbssid_ies->cnt && new->mbssid_ies->elem[0].len > 2)
                        link_conf->bssid_indicator =
                                        *(new->mbssid_ies->elem[0].data + 2);
                else
                        link_conf->bssid_indicator = 0;
        }

        if (csa) {
                new->cntdwn_current_counter = csa->count;
                memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
                       csa->n_counter_offsets_beacon *
                       sizeof(new->cntdwn_counter_offsets[0]));
        } else if (cca) {
                new->cntdwn_current_counter = cca->count;
                new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
        }

        /* copy in head */
        if (params->head)
                memcpy(new->head, params->head, new_head_len);
        else
                memcpy(new->head, old->head, new_head_len);

        /* copy in optional tail */
        if (params->tail)
                memcpy(new->tail, params->tail, new_tail_len);
        else
                if (old)
                        memcpy(new->tail, old->tail, new_tail_len);

        err = ieee80211_set_probe_resp(sdata, params->probe_resp,
                                       params->probe_resp_len, csa, cca, link);
        if (err < 0) {
                kfree(new);
                return err;
        }
        if (err == 0)
                _changed |= BSS_CHANGED_AP_PROBE_RESP;

        if (params->ftm_responder != -1) {
                link_conf->ftm_responder = params->ftm_responder;
                err = ieee80211_set_ftm_responder_params(sdata,
                                                         params->lci,
                                                         params->lci_len,
                                                         params->civicloc,
                                                         params->civicloc_len,
                                                         link_conf);

                if (err < 0) {
                        kfree(new);
                        return err;
                }

                _changed |= BSS_CHANGED_FTM_RESPONDER;
        }

        rcu_assign_pointer(link->u.ap.beacon, new);
        sdata->u.ap.active = true;

        if (old)
                kfree_rcu(old, rcu_head);

        ieee80211_update_ap_bandwidth(link, params);

        *changed |= _changed;
        return 0;
}

static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata)
{
        struct ieee80211_link_data *link;
        u8 link_id, num = 0;

        if (sdata->vif.type != NL80211_IFTYPE_AP &&
            sdata->vif.type != NL80211_IFTYPE_P2P_GO)
                return num;

        /* non-MLO mode of operation also uses link_id 0 in sdata so it is
         * safe to directly proceed with the below loop
         */
        for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
                link = sdata_dereference(sdata->link[link_id], sdata);
                if (!link)
                        continue;

                if (sdata_dereference(link->u.ap.beacon, sdata))
                        num++;
        }

        return num;
}

static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
                              struct cfg80211_ap_settings *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;
        struct beacon_data *old;
        struct ieee80211_sub_if_data *vlan;
        u64 changed = BSS_CHANGED_BEACON_INT |
                      BSS_CHANGED_BEACON_ENABLED |
                      BSS_CHANGED_BEACON |
                      BSS_CHANGED_P2P_PS |
                      BSS_CHANGED_TXPOWER |
                      BSS_CHANGED_TWT;
        int i, err;
        int prev_beacon_int;
        unsigned int link_id = params->beacon.link_id;
        struct ieee80211_link_data *link;
        struct ieee80211_bss_conf *link_conf;
        struct ieee80211_chan_req chanreq = {
                .oper = params->chandef,
                .require_npca = true,
        };
        u64 tsf;

        lockdep_assert_wiphy(local->hw.wiphy);

        link = sdata_dereference(sdata->link[link_id], sdata);
        if (!link)
                return -ENOLINK;

        link_conf = link->conf;

        old = sdata_dereference(link->u.ap.beacon, sdata);
        if (old)
                return -EALREADY;

        link->smps_mode = IEEE80211_SMPS_OFF;

        link->needed_rx_chains = sdata->local->rx_chains;

        prev_beacon_int = link_conf->beacon_int;
        link_conf->beacon_int = params->beacon_interval;

        if (params->ht_cap)
                link_conf->ht_ldpc =
                        params->ht_cap->cap_info &
                                cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);

        if (params->vht_cap) {
                link_conf->vht_ldpc =
                        params->vht_cap->vht_cap_info &
                                cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
                link_conf->vht_su_beamformer =
                        params->vht_cap->vht_cap_info &
                                cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
                link_conf->vht_su_beamformee =
                        params->vht_cap->vht_cap_info &
                                cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
                link_conf->vht_mu_beamformer =
                        params->vht_cap->vht_cap_info &
                                cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
                link_conf->vht_mu_beamformee =
                        params->vht_cap->vht_cap_info &
                                cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
        }

        if (params->he_cap && params->beacon.he_oper) {
                link_conf->he_support = true;
                link_conf->htc_trig_based_pkt_ext =
                        le32_get_bits(params->beacon.he_oper->he_oper_params,
                              IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
                link_conf->frame_time_rts_th =
                        le32_get_bits(params->beacon.he_oper->he_oper_params,
                              IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
                changed |= BSS_CHANGED_HE_OBSS_PD;

                if (params->beacon.he_bss_color.enabled)
                        changed |= BSS_CHANGED_HE_BSS_COLOR;
        }

        if (params->he_cap) {
                link_conf->he_ldpc =
                        params->he_cap->phy_cap_info[1] &
                                IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
                link_conf->he_su_beamformer =
                        params->he_cap->phy_cap_info[3] &
                                IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
                link_conf->he_su_beamformee =
                        params->he_cap->phy_cap_info[4] &
                                IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE;
                link_conf->he_mu_beamformer =
                        params->he_cap->phy_cap_info[4] &
                                IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
                link_conf->he_full_ul_mumimo =
                        params->he_cap->phy_cap_info[2] &
                                IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO;
        }

        if (params->eht_cap) {
                if (!link_conf->he_support)
                        return -EOPNOTSUPP;

                link_conf->eht_support = true;

                link_conf->eht_su_beamformer =
                        params->eht_cap->fixed.phy_cap_info[0] &
                                IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER;
                link_conf->eht_su_beamformee =
                        params->eht_cap->fixed.phy_cap_info[0] &
                                IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
                link_conf->eht_mu_beamformer =
                        params->eht_cap->fixed.phy_cap_info[7] &
                                (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
                                 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
                                 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
                link_conf->eht_80mhz_full_bw_ul_mumimo =
                        params->eht_cap->fixed.phy_cap_info[7] &
                                (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
                                 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
                                 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ);
                link_conf->eht_disable_mcs15 =
                        u8_get_bits(params->beacon.eht_oper->params,
                                    IEEE80211_EHT_OPER_MCS15_DISABLE);
        } else {
                link_conf->eht_su_beamformer = false;
                link_conf->eht_su_beamformee = false;
                link_conf->eht_mu_beamformer = false;
        }

        if (params->beacon.uhr_oper) {
                const struct ieee80211_uhr_npca_info *npca;
                struct ieee80211_bss_npca_params npca_params = {};

                if (!link_conf->eht_support)
                        return -EOPNOTSUPP;

                link_conf->uhr_support = true;

                npca = ieee80211_uhr_npca_info(params->beacon.uhr_oper);
                if (!npca) {
                        chanreq.oper.npca_chan = NULL;
                        chanreq.oper.npca_punctured = 0;
                } else {
                        npca_params.min_dur_thresh =
                                le32_get_bits(npca->params,
                                              IEEE80211_UHR_NPCA_PARAMS_MIN_DUR_THRESH);
                        npca_params.switch_delay =
                                le32_get_bits(npca->params,
                                              IEEE80211_UHR_NPCA_PARAMS_SWITCH_DELAY);
                        npca_params.switch_back_delay =
                                le32_get_bits(npca->params,
                                              IEEE80211_UHR_NPCA_PARAMS_SWITCH_BACK_DELAY);
                        npca_params.init_qsrc =
                                le32_get_bits(npca->params,
                                              IEEE80211_UHR_NPCA_PARAMS_INIT_QSRC);
                        npca_params.moplen =
                                le32_get_bits(npca->params,
                                              IEEE80211_UHR_NPCA_PARAMS_MOPLEN);
                        npca_params.enabled = true;
                }

                if (memcmp(&npca_params, &link->conf->npca,
                           sizeof(npca_params))) {
                        link->conf->npca = npca_params;
                        changed |= BSS_CHANGED_NPCA;
                }
        }

        if (sdata->vif.type == NL80211_IFTYPE_AP &&
            params->mbssid_config.tx_wdev) {
                err = ieee80211_set_ap_mbssid_options(sdata,
                                                      &params->mbssid_config,
                                                      link_conf);
                if (err)
                        return err;
        }

        err = ieee80211_link_use_channel(link, &chanreq,
                                         IEEE80211_CHANCTX_SHARED);
        if (!err)
                ieee80211_link_copy_chanctx_to_vlans(link, false);
        if (err) {
                link_conf->beacon_int = prev_beacon_int;
                return err;
        }

        /*
         * Apply control port protocol, this allows us to
         * not encrypt dynamic WEP control frames.
         */
        sdata->control_port_protocol = params->crypto.control_port_ethertype;
        sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
        sdata->control_port_over_nl80211 =
                                params->crypto.control_port_over_nl80211;
        sdata->control_port_no_preauth =
                                params->crypto.control_port_no_preauth;

        list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
                vlan->control_port_protocol =
                        params->crypto.control_port_ethertype;
                vlan->control_port_no_encrypt =
                        params->crypto.control_port_no_encrypt;
                vlan->control_port_over_nl80211 =
                        params->crypto.control_port_over_nl80211;
                vlan->control_port_no_preauth =
                        params->crypto.control_port_no_preauth;
        }

        link_conf->dtim_period = params->dtim_period;
        link_conf->enable_beacon = true;
        link_conf->allow_p2p_go_ps = sdata->vif.p2p;
        link_conf->twt_responder = params->twt_responder;
        link_conf->he_obss_pd = params->he_obss_pd;
        link_conf->he_bss_color = params->beacon.he_bss_color;
        link_conf->s1g_long_beacon_period = params->s1g_long_beacon_period;
        sdata->vif.cfg.s1g = params->chandef.chan->band == NL80211_BAND_S1GHZ;

        sdata->vif.cfg.ssid_len = params->ssid_len;
        if (params->ssid_len)
                memcpy(sdata->vif.cfg.ssid, params->ssid,
                       params->ssid_len);
        link_conf->hidden_ssid =
                (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);

        memset(&link_conf->p2p_noa_attr, 0,
               sizeof(link_conf->p2p_noa_attr));
        link_conf->p2p_noa_attr.oppps_ctwindow =
                params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
        if (params->p2p_opp_ps)
                link_conf->p2p_noa_attr.oppps_ctwindow |=
                                        IEEE80211_P2P_OPPPS_ENABLE_BIT;

        sdata->beacon_rate_set = false;
        if (wiphy_ext_feature_isset(local->hw.wiphy,
                                    NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
                for (i = 0; i < NUM_NL80211_BANDS; i++) {
                        sdata->beacon_rateidx_mask[i] =
                                params->beacon_rate.control[i].legacy;
                        if (sdata->beacon_rateidx_mask[i])
                                sdata->beacon_rate_set = true;
                }
        }

        if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
                link_conf->beacon_tx_rate = params->beacon_rate;

        err = ieee80211_assign_beacon(sdata, link, &params->beacon, NULL, NULL,
                                      &changed);
        if (err < 0)
                goto error;

        err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
                                           link, link_conf, &changed);
        if (err < 0)
                goto error;

        err = ieee80211_set_unsol_bcast_probe_resp(sdata,
                                                   &params->unsol_bcast_probe_resp,
                                                   link, link_conf, &changed);
        if (err < 0)
                goto error;

        if (sdata->vif.cfg.s1g) {
                err = ieee80211_set_s1g_short_beacon(sdata, link,
                                                     &params->s1g_short_beacon);
                if (err < 0)
                        goto error;
        }

        err = drv_start_ap(sdata->local, sdata, link_conf);
        if (err) {
                old = sdata_dereference(link->u.ap.beacon, sdata);

                if (old)
                        kfree_rcu(old, rcu_head);
                RCU_INIT_POINTER(link->u.ap.beacon, NULL);

                if (ieee80211_num_beaconing_links(sdata) == 0)
                        sdata->u.ap.active = false;

                goto error;
        }

        tsf = drv_get_tsf(local, sdata);
        ieee80211_recalc_dtim(sdata, tsf);

        if (link->u.ap.s1g_short_beacon)
                ieee80211_recalc_sb_count(sdata, tsf);

        ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID);
        ieee80211_link_info_change_notify(sdata, link, changed);

        if (ieee80211_num_beaconing_links(sdata) <= 1)
                netif_carrier_on(dev);

        list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
                netif_carrier_on(vlan->dev);

        return 0;

error:
        ieee80211_link_release_channel(link);

        return err;
}

static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
                                   struct cfg80211_ap_update *params)

{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_link_data *link;
        struct cfg80211_beacon_data *beacon = &params->beacon;
        struct beacon_data *old;
        int err;
        struct ieee80211_bss_conf *link_conf;
        u64 changed = 0;

        lockdep_assert_wiphy(wiphy);

        link = sdata_dereference(sdata->link[beacon->link_id], sdata);
        if (!link)
                return -ENOLINK;

        link_conf = link->conf;

        /* don't allow changing the beacon while a countdown is in place - offset
         * of channel switch counter may change
         */
        if (link_conf->csa_active || link_conf->color_change_active)
                return -EBUSY;

        old = sdata_dereference(link->u.ap.beacon, sdata);
        if (!old)
                return -ENOENT;

        err = ieee80211_assign_beacon(sdata, link, beacon, NULL, NULL,
                                      &changed);
        if (err < 0)
                return err;

        err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
                                           link, link_conf, &changed);
        if (err < 0)
                return err;

        err = ieee80211_set_unsol_bcast_probe_resp(sdata,
                                                   &params->unsol_bcast_probe_resp,
                                                   link, link_conf, &changed);
        if (err < 0)
                return err;

        if (link->u.ap.s1g_short_beacon) {
                err = ieee80211_set_s1g_short_beacon(sdata, link,
                                                     &params->s1g_short_beacon);
                if (err < 0)
                        return err;
        }

        if (beacon->he_bss_color_valid &&
            beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
                link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled;
                changed |= BSS_CHANGED_HE_BSS_COLOR;
        }

        ieee80211_link_info_change_notify(sdata, link, changed);
        return 0;
}

static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
{
        if (!link->u.ap.next_beacon)
                return;

        kfree(link->u.ap.next_beacon->mbssid_ies);
        kfree(link->u.ap.next_beacon->rnr_ies);
        kfree(link->u.ap.next_beacon);
        link->u.ap.next_beacon = NULL;
}

static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
                             unsigned int link_id)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_sub_if_data *vlan;
        struct ieee80211_local *local = sdata->local;
        struct beacon_data *old_beacon;
        struct probe_resp *old_probe_resp;
        struct fils_discovery_data *old_fils_discovery;
        struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
        struct s1g_short_beacon_data *old_s1g_short_beacon;
        struct cfg80211_chan_def chandef;
        struct ieee80211_link_data *link =
                sdata_dereference(sdata->link[link_id], sdata);
        struct ieee80211_bss_conf *link_conf = link->conf;
        u64 changes = BSS_CHANGED_BEACON_ENABLED;
        LIST_HEAD(keys);

        lockdep_assert_wiphy(local->hw.wiphy);

        old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
        if (!old_beacon)
                return -ENOENT;
        old_probe_resp = sdata_dereference(link->u.ap.probe_resp,
                                           sdata);
        old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery,
                                               sdata);
        old_unsol_bcast_probe_resp =
                sdata_dereference(link->u.ap.unsol_bcast_probe_resp,
                                  sdata);
        old_s1g_short_beacon =
                sdata_dereference(link->u.ap.s1g_short_beacon, sdata);

        /* abort any running channel switch or color change */
        link_conf->csa_active = false;
        link_conf->color_change_active = false;
        ieee80211_vif_unblock_queues_csa(sdata);

        ieee80211_free_next_beacon(link);

        /* turn off carrier for this interface and dependent VLANs */
        list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
                netif_carrier_off(vlan->dev);

        if (ieee80211_num_beaconing_links(sdata) <= 1) {
                netif_carrier_off(dev);
                sdata->u.ap.active = false;
        }

        /* remove beacon and probe response */
        RCU_INIT_POINTER(link->u.ap.beacon, NULL);
        RCU_INIT_POINTER(link->u.ap.probe_resp, NULL);
        RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
        RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
        RCU_INIT_POINTER(link->u.ap.s1g_short_beacon, NULL);
        kfree_rcu(old_beacon, rcu_head);
        if (old_probe_resp)
                kfree_rcu(old_probe_resp, rcu_head);
        if (old_fils_discovery)
                kfree_rcu(old_fils_discovery, rcu_head);
        if (old_unsol_bcast_probe_resp)
                kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
        if (old_s1g_short_beacon)
                kfree_rcu(old_s1g_short_beacon, rcu_head);

        if (link_conf->ftm_responder) {
                link_conf->ftm_responder = false;
                changes |= BSS_CHANGED_FTM_RESPONDER;
        }

        kfree(link_conf->ftmr_params);
        link_conf->ftmr_params = NULL;

        link_conf->bssid_index = 0;
        link_conf->nontransmitted = false;
        link_conf->ema_ap = false;
        link_conf->bssid_indicator = 0;
        link_conf->fils_discovery.min_interval = 0;
        link_conf->fils_discovery.max_interval = 0;
        link_conf->unsol_bcast_probe_resp_interval = 0;

        __sta_info_flush(sdata, true, link_id, NULL);

        ieee80211_stop_mbssid(sdata);
        RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL);

        link_conf->enable_beacon = false;
        sdata->beacon_rate_set = false;
        sdata->vif.cfg.ssid_len = 0;
        sdata->vif.cfg.s1g = false;
        clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
        ieee80211_link_info_change_notify(sdata, link, changes);

        ieee80211_remove_link_keys(link, &keys);
        if (!list_empty(&keys)) {
                synchronize_net();
                ieee80211_free_key_list(local, &keys);
        }

        if (sdata->wdev.links[link_id].cac_started) {
                chandef = link_conf->chanreq.oper;
                wiphy_hrtimer_work_cancel(wiphy, &link->dfs_cac_timer_work);
                cfg80211_cac_event(sdata->dev, &chandef,
                                   NL80211_RADAR_CAC_ABORTED,
                                   GFP_KERNEL, link_id);
        }

        drv_stop_ap(sdata->local, sdata, link_conf);

        /* free all potentially still buffered bcast frames */
        local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
        ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);

        ieee80211_link_copy_chanctx_to_vlans(link, true);
        ieee80211_link_release_channel(link);

        return 0;
}

static int sta_apply_auth_flags(struct ieee80211_local *local,
                                struct sta_info *sta,
                                u32 mask, u32 set)
{
        int ret;

        if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
            set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
            !test_sta_flag(sta, WLAN_STA_AUTH)) {
                ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
                if (ret)
                        return ret;
        }

        if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
            set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
            !test_sta_flag(sta, WLAN_STA_ASSOC)) {
                /*
                 * When peer becomes associated, init rate control as
                 * well. Some drivers require rate control initialized
                 * before drv_sta_state() is called.
                 */
                if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
                        rate_control_rate_init_all_links(sta);

                ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
                if (ret)
                        return ret;
        }

        if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
                if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
                        ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
                else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
                        ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
                else
                        ret = 0;
                if (ret)
                        return ret;
        }

        if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
            !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
            test_sta_flag(sta, WLAN_STA_ASSOC)) {
                ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
                if (ret)
                        return ret;
        }

        if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
            !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
            test_sta_flag(sta, WLAN_STA_AUTH)) {
                ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
                if (ret)
                        return ret;
        }

        return 0;
}

static void sta_apply_mesh_params(struct ieee80211_local *local,
                                  struct sta_info *sta,
                                  struct station_parameters *params)
{
#ifdef CONFIG_MAC80211_MESH
        struct ieee80211_sub_if_data *sdata = sta->sdata;
        u64 changed = 0;

        if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
                switch (params->plink_state) {
                case NL80211_PLINK_ESTAB:
                        if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
                                changed = mesh_plink_inc_estab_count(sdata);
                        sta->mesh->plink_state = params->plink_state;
                        sta->mesh->aid = params->peer_aid;

                        ieee80211_mps_sta_status_update(sta);
                        changed |= ieee80211_mps_set_sta_local_pm(sta,
                                      sdata->u.mesh.mshcfg.power_mode);

                        ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
                        /* init at low value */
                        ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);

                        break;
                case NL80211_PLINK_LISTEN:
                case NL80211_PLINK_BLOCKED:
                case NL80211_PLINK_OPN_SNT:
                case NL80211_PLINK_OPN_RCVD:
                case NL80211_PLINK_CNF_RCVD:
                case NL80211_PLINK_HOLDING:
                        if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
                                changed = mesh_plink_dec_estab_count(sdata);
                        sta->mesh->plink_state = params->plink_state;

                        ieee80211_mps_sta_status_update(sta);
                        changed |= ieee80211_mps_set_sta_local_pm(sta,
                                        NL80211_MESH_POWER_UNKNOWN);
                        break;
                default:
                        /*  nothing  */
                        break;
                }
        }

        switch (params->plink_action) {
        case NL80211_PLINK_ACTION_NO_ACTION:
                /* nothing */
                break;
        case NL80211_PLINK_ACTION_OPEN:
                changed |= mesh_plink_open(sta);
                break;
        case NL80211_PLINK_ACTION_BLOCK:
                changed |= mesh_plink_block(sta);
                break;
        }

        if (params->local_pm)
                changed |= ieee80211_mps_set_sta_local_pm(sta,
                                                          params->local_pm);

        ieee80211_mbss_info_change_notify(sdata, changed);
#endif
}

enum sta_link_apply_mode {
        STA_LINK_MODE_NEW,
        STA_LINK_MODE_STA_MODIFY,
        STA_LINK_MODE_LINK_MODIFY,
};

static int sta_link_apply_parameters(struct ieee80211_local *local,
                                     struct sta_info *sta,
                                     enum sta_link_apply_mode mode,
                                     struct link_station_parameters *params)
{
        struct ieee80211_supported_band *sband = NULL;
        struct ieee80211_sub_if_data *sdata = sta->sdata;
        u32 link_id = params->link_id < 0 ? 0 : params->link_id;
        struct ieee80211_link_data *link =
                sdata_dereference(sdata->link[link_id], sdata);
        struct link_sta_info *link_sta =
                rcu_dereference_protected(sta->link[link_id],
                                          lockdep_is_held(&local->hw.wiphy->mtx));
        const struct ieee80211_sta_ht_cap *own_ht_cap;
        const struct ieee80211_sta_vht_cap *own_vht_cap;
        const struct ieee80211_sta_he_cap *own_he_cap;
        bool changes = params->link_mac ||
                       params->txpwr_set ||
                       params->supported_rates_len ||
                       params->ht_capa ||
                       params->vht_capa ||
                       params->he_capa ||
                       params->eht_capa ||
                       params->uhr_capa ||
                       params->s1g_capa ||
                       params->opmode_notif_used;

        switch (mode) {
        case STA_LINK_MODE_NEW:
                if (!params->link_mac)
                        return -EINVAL;
                break;
        case STA_LINK_MODE_LINK_MODIFY:
                break;
        case STA_LINK_MODE_STA_MODIFY:
                if (params->link_id >= 0)
                        break;
                if (!changes)
                        return 0;
                break;
        }

        if (!link || !link_sta)
                return -EINVAL;

        /*
         * We should not have any changes in NDI station, its capabilities are
         * copied from the NMI sta
         */
        if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_NAN_DATA))
                return -EINVAL;

        if (sdata->vif.type == NL80211_IFTYPE_NAN) {
                own_ht_cap = &local->hw.wiphy->nan_capa.phy.ht;
                own_vht_cap = &local->hw.wiphy->nan_capa.phy.vht;
                own_he_cap = &local->hw.wiphy->nan_capa.phy.he;
        } else {
                sband = ieee80211_get_link_sband(link);
                if (!sband)
                        return -EINVAL;

                own_ht_cap = &sband->ht_cap;
                own_vht_cap = &sband->vht_cap;
                own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, &sdata->vif);
        }

        if (params->link_mac) {
                if (mode == STA_LINK_MODE_NEW) {
                        memcpy(link_sta->addr, params->link_mac, ETH_ALEN);
                        memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN);
                } else if (!ether_addr_equal(link_sta->addr,
                                             params->link_mac)) {
                        return -EINVAL;
                }
        }

        if (params->txpwr_set) {
                int ret;

                link_sta->pub->txpwr.type = params->txpwr.type;
                if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
                        link_sta->pub->txpwr.power = params->txpwr.power;
                ret = drv_sta_set_txpwr(local, sdata, sta);
                if (ret)
                        return ret;
        }

        if (sdata->vif.type == NL80211_IFTYPE_NAN) {
                static const u8 all_ofdm_rates[] = {
                        0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c
                };

                /* Set the same supported_rates for all bands */
                for (int i = 0; i < NUM_NL80211_BANDS; i++) {
                        struct ieee80211_supported_band *tmp =
                                sdata->local->hw.wiphy->bands[i];

                        if ((i != NL80211_BAND_2GHZ && i != NL80211_BAND_5GHZ) ||
                            !tmp)
                                continue;

                        if (!ieee80211_parse_bitrates(tmp, all_ofdm_rates,
                                                      sizeof(all_ofdm_rates),
                                                      &link_sta->pub->supp_rates[i]))
                                return -EINVAL;
                }
        }

        if (params->supported_rates &&
            params->supported_rates_len &&
            !ieee80211_parse_bitrates(sband, params->supported_rates,
                                      params->supported_rates_len,
                                      &link_sta->pub->supp_rates[sband->band]))
                return -EINVAL;

        if (params->ht_capa)
                ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, own_ht_cap,
                                                  params->ht_capa, link_sta);

        /* VHT can override some HT caps such as the A-MSDU max length */
        if (params->vht_capa)
                ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
                                                    own_vht_cap,
                                                    params->vht_capa, NULL,
                                                    link_sta);

        if (params->he_capa)
                _ieee80211_he_cap_ie_to_sta_he_cap(sdata,
                                                   own_he_cap,
                                                   (void *)params->he_capa,
                                                   params->he_capa_len,
                                                   (sband && sband->band == NL80211_BAND_6GHZ) ?
                                                   (void *)params->he_6ghz_capa : NULL,
                                                   link_sta);

        if (params->he_capa && params->eht_capa)
                ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
                                                    (u8 *)params->he_capa,
                                                    params->he_capa_len,
                                                    params->eht_capa,
                                                    params->eht_capa_len,
                                                    link_sta);

        if (params->uhr_capa)
                ieee80211_uhr_cap_ie_to_sta_uhr_cap(sdata, sband,
                                                    params->uhr_capa,
                                                    params->uhr_capa_len,
                                                    link_sta);

        if (params->s1g_capa)
                ieee80211_s1g_cap_to_sta_s1g_cap(sdata, params->s1g_capa,
                                                 link_sta);

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_NAN:
        case NL80211_IFTYPE_NAN_DATA:
                /* not applicable - they don't use NSS/BW as capability */
                break;
        default:
                ieee80211_sta_init_nss_bw_capa(link_sta, &link->conf->chanreq.oper);
                break;
        }

        if (params->opmode_notif_used) {
                enum nl80211_chan_width width = link->conf->chanreq.oper.width;

                switch (width) {
                case NL80211_CHAN_WIDTH_20:
                case NL80211_CHAN_WIDTH_40:
                case NL80211_CHAN_WIDTH_80:
                case NL80211_CHAN_WIDTH_160:
                case NL80211_CHAN_WIDTH_80P80:
                case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */
                        break;
                default:
                        return -EINVAL;
                }

                /* returned value is only needed for rc update, but the
                 * rc isn't initialized here yet, so ignore it
                 */
                __ieee80211_vht_handle_opmode(sdata, link_sta,
                                              params->opmode_notif,
                                              sband->band);
        }

        return 0;
}

static int sta_apply_parameters(struct ieee80211_local *local,
                                struct sta_info *sta,
                                struct station_parameters *params)
{
        struct ieee80211_sub_if_data *sdata = sta->sdata;
        u32 mask, set;
        int ret = 0;

        mask = params->sta_flags_mask;
        set = params->sta_flags_set;

        if (params->epp_peer)
                sta->sta.epp_peer = true;

        if (ieee80211_vif_is_mesh(&sdata->vif)) {
                /*
                 * In mesh mode, ASSOCIATED isn't part of the nl80211
                 * API but must follow AUTHENTICATED for driver state.
                 */
                if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
                        mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
                if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
                        set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
        } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
                /*
                 * TDLS -- everything follows authorized, but
                 * only becoming authorized is possible, not
                 * going back
                 */
                if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
                        set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
                               BIT(NL80211_STA_FLAG_ASSOCIATED);
                        mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
                                BIT(NL80211_STA_FLAG_ASSOCIATED);
                }
        }

        if (mask & BIT(NL80211_STA_FLAG_WME) &&
            local->hw.queues >= IEEE80211_NUM_ACS)
                sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);

        /* auth flags will be set later for TDLS,
         * and for unassociated stations that move to associated */
        if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
            !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
              (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
                ret = sta_apply_auth_flags(local, sta, mask, set);
                if (ret)
                        return ret;
        }

        if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
                if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
                        set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
                else
                        clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
        }

        if (mask & BIT(NL80211_STA_FLAG_MFP)) {
                sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
                if (set & BIT(NL80211_STA_FLAG_MFP))
                        set_sta_flag(sta, WLAN_STA_MFP);
                else
                        clear_sta_flag(sta, WLAN_STA_MFP);
        }

        if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
                if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
                        set_sta_flag(sta, WLAN_STA_TDLS_PEER);
                else
                        clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
        }

        if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU))
                sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU);

        /* mark TDLS channel switch support, if the AP allows it */
        if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
            !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
            params->ext_capab_len >= 4 &&
            params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
                set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);

        if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
            !sdata->u.mgd.tdls_wider_bw_prohibited &&
            ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
            params->ext_capab_len >= 8 &&
            params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
                set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);

        if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
                sta->sta.uapsd_queues = params->uapsd_queues;
                sta->sta.max_sp = params->max_sp;
        }

        if (params->ext_capab)
                ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab,
                                                      params->ext_capab_len);

        /*
         * cfg80211 validates this (1-2007) and allows setting the AID
         * only when creating a new station entry. For S1G APs, the current
         * implementation supports a maximum of 1600 AIDs.
         */
        if (params->aid) {
                if (sdata->vif.cfg.s1g &&
                    params->aid > IEEE80211_MAX_SUPPORTED_S1G_AID)
                        return -EINVAL;

                sta->sta.aid = params->aid;
        }

        /*
         * Some of the following updates would be racy if called on an
         * existing station, via ieee80211_change_station(). However,
         * all such changes are rejected by cfg80211 except for updates
         * changing the supported rates on an existing but not yet used
         * TDLS peer.
         */

        if (params->listen_interval >= 0)
                sta->listen_interval = params->listen_interval;

        if (params->eml_cap_present)
                sta->sta.eml_cap = params->eml_cap;

        ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY,
                                        &params->link_sta_params);
        if (ret)
                return ret;

        if (params->support_p2p_ps >= 0)
                sta->sta.support_p2p_ps = params->support_p2p_ps;

        if (ieee80211_vif_is_mesh(&sdata->vif))
                sta_apply_mesh_params(local, sta, params);

        if (params->airtime_weight)
                sta->airtime_weight = params->airtime_weight;

        if (params->nmi_mac) {
                struct ieee80211_sub_if_data *nmi =
                        rcu_dereference_wiphy(local->hw.wiphy,
                                              sdata->u.nan_data.nmi);
                struct sta_info *nmi_sta;

                if (WARN_ON(!nmi))
                        return -EINVAL;

                nmi_sta = sta_info_get(nmi, params->nmi_mac);
                if (!nmi_sta)
                        return -ENOENT;
                rcu_assign_pointer(sta->sta.nmi, &nmi_sta->sta);

                /* For NAN_DATA stations, copy capabilities from the NMI station */
                if (!nmi_sta->deflink.pub->ht_cap.ht_supported)
                        return -EINVAL;

                sta->deflink.pub->ht_cap = nmi_sta->deflink.pub->ht_cap;
                sta->deflink.pub->vht_cap = nmi_sta->deflink.pub->vht_cap;
                sta->deflink.pub->he_cap = nmi_sta->deflink.pub->he_cap;
                memcpy(&sta->deflink.pub->supp_rates,
                       &nmi_sta->deflink.pub->supp_rates,
                       sizeof(sta->deflink.pub->supp_rates));

                sta->deflink.pub->agg = nmi_sta->deflink.pub->agg;
                __ieee80211_sta_recalc_aggregates(sta, 0);
        }

        /* set the STA state after all sta info from usermode has been set */
        if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
            set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
                ret = sta_apply_auth_flags(local, sta, mask, set);
                if (ret)
                        return ret;
        }

        /* Mark the STA as MLO if MLD MAC address is available */
        if (params->link_sta_params.mld_mac)
                sta->sta.mlo = true;

        return 0;
}

static int ieee80211_add_station(struct wiphy *wiphy, struct wireless_dev *wdev,
                                 const u8 *mac,
                                 struct station_parameters *params)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct sta_info *sta;
        struct ieee80211_sub_if_data *sdata;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        if (params->vlan) {
                sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

                if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
                    sdata->vif.type != NL80211_IFTYPE_AP)
                        return -EINVAL;
        } else
                sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        if (ether_addr_equal(mac, sdata->vif.addr))
                return -EINVAL;

        if (!is_valid_ether_addr(mac))
                return -EINVAL;

        if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
            sdata->vif.type == NL80211_IFTYPE_STATION &&
            !sdata->u.mgd.associated)
                return -EINVAL;

        /*
         * If we have a link ID, it can be a non-MLO station on an AP MLD,
         * but we need to have a link_mac in that case as well, so use the
         * STA's MAC address in that case.
         */
        if (params->link_sta_params.link_id >= 0)
                sta = sta_info_alloc_with_link(sdata, mac,
                                               params->link_sta_params.link_id,
                                               params->link_sta_params.link_mac ?: mac,
                                               GFP_KERNEL);
        else
                sta = sta_info_alloc(sdata, mac, GFP_KERNEL);

        if (!sta)
                return -ENOMEM;

        if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
                sta->sta.tdls = true;

        /* Though the mutex is not needed here (since the station is not
         * visible yet), sta_apply_parameters (and inner functions) require
         * the mutex due to other paths.
         */
        err = sta_apply_parameters(local, sta, params);
        if (err) {
                sta_info_free(local, sta);
                return err;
        }

        /*
         * for TDLS and for unassociated station, rate control should be
         * initialized only when rates are known and station is marked
         * authorized/associated
         */
        if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
            test_sta_flag(sta, WLAN_STA_ASSOC))
                rate_control_rate_init_all_links(sta);

        err = sta_info_insert(sta);

        /*
         * ieee80211_nan_update_ndi_carrier was called from sta_apply_parameters,
         * but then we did not have the STA in the list.
         */
        if (!err && sdata->vif.type == NL80211_IFTYPE_NAN_DATA)
                ieee80211_nan_update_ndi_carrier(sta->sdata);
        return err;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct wireless_dev *wdev,
                                 struct station_del_parameters *params)
{
        struct ieee80211_sub_if_data *sdata;

        sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        if (params->mac)
                return sta_info_destroy_addr_bss(sdata, params->mac);

        sta_info_flush(sdata, params->link_id);
        return 0;
}

static int ieee80211_set_sta_4addr(struct ieee80211_local *local,
                                   struct ieee80211_sub_if_data *sdata,
                                   struct sta_info *sta)
{
        struct ieee80211_vif *vif = &sdata->vif;
        struct wiphy *wiphy = local->hw.wiphy;
        struct ieee80211_sub_if_data *master;
        struct ieee80211_bss_conf *link_conf;
        struct wireless_dev *wdev;
        unsigned long master_iter;
        int link_id;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        if (sdata->u.vlan.sta)
                return -EBUSY;

        wdev = &sdata->wdev;
        master = container_of(sdata->bss,
                              struct ieee80211_sub_if_data,
                              u.ap);

        if (sta->sta.valid_links) {
                u16 sta_links = sta->sta.valid_links;
                u16 new_links = master->vif.valid_links & sta_links;
                u16 orig_links = wdev->valid_links;

                wdev->valid_links = new_links;

                err = ieee80211_vif_set_links(sdata, new_links, 0);
                if (err) {
                        wdev->valid_links = orig_links;
                        return err;
                }

                master_iter = master->vif.valid_links;

                for_each_set_bit(link_id, &master_iter,
                                 IEEE80211_MLD_MAX_NUM_LINKS) {
                        if (!(sta_links & BIT(link_id))) {
                                eth_zero_addr(wdev->links[link_id].addr);
                        } else {
                                link_conf = wiphy_dereference(wiphy,
                                                              vif->link_conf[link_id]);

                                ether_addr_copy(wdev->links[link_id].addr,
                                                link_conf->bssid);
                        }
                }
        }

        rcu_assign_pointer(sdata->u.vlan.sta, sta);
        __ieee80211_check_fast_rx_iface(sdata);
        drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);

        return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
                                    struct wireless_dev *wdev, const u8 *mac,
                                    struct station_parameters *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct sta_info *sta;
        struct ieee80211_sub_if_data *vlansdata;
        enum cfg80211_station_type statype;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        sta = sta_info_get_bss(sdata, mac);
        if (!sta)
                return -ENOENT;

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_MESH_POINT:
                if (sdata->u.mesh.user_mpm)
                        statype = CFG80211_STA_MESH_PEER_USER;
                else
                        statype = CFG80211_STA_MESH_PEER_KERNEL;
                break;
        case NL80211_IFTYPE_ADHOC:
                statype = CFG80211_STA_IBSS;
                break;
        case NL80211_IFTYPE_STATION:
                if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
                        statype = CFG80211_STA_AP_STA;
                        break;
                }
                if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
                        statype = CFG80211_STA_TDLS_PEER_ACTIVE;
                else
                        statype = CFG80211_STA_TDLS_PEER_SETUP;
                break;
        case NL80211_IFTYPE_AP:
        case NL80211_IFTYPE_AP_VLAN:
                if (test_sta_flag(sta, WLAN_STA_ASSOC))
                        statype = CFG80211_STA_AP_CLIENT;
                else
                        statype = CFG80211_STA_AP_CLIENT_UNASSOC;
                break;
        case NL80211_IFTYPE_NAN:
                statype = CFG80211_STA_NAN_MGMT;
                break;
        case NL80211_IFTYPE_NAN_DATA:
                statype = CFG80211_STA_NAN_DATA;
                break;
        default:
                return -EOPNOTSUPP;
        }

        err = cfg80211_check_station_change(wiphy, params, statype);
        if (err)
                return err;

        if (params->vlan && params->vlan != sta->sdata->dev) {
                vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

                if (params->vlan->ieee80211_ptr->use_4addr) {
                        err = ieee80211_set_sta_4addr(local, vlansdata, sta);
                        if (err)
                                return err;

                }

                if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
                    sta->sdata->u.vlan.sta)
                        RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);

                if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
                        ieee80211_vif_dec_num_mcast(sta->sdata);

                sta->sdata = vlansdata;
                ieee80211_check_fast_rx(sta);
                ieee80211_check_fast_xmit(sta);

                if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
                        ieee80211_vif_inc_num_mcast(sta->sdata);
                        cfg80211_send_layer2_update(sta->sdata->dev,
                                                    sta->sta.addr);
                }
        }

        /* NAN capabilties should not change */
        if (statype == CFG80211_STA_NAN_DATA &&
            sta->deflink.pub->ht_cap.ht_supported &&
            (params->link_sta_params.ht_capa ||
             params->link_sta_params.vht_capa ||
             params->link_sta_params.he_capa))
                return -EINVAL;

        err = sta_apply_parameters(local, sta, params);
        if (err)
                return err;

        if (sdata->vif.type == NL80211_IFTYPE_STATION &&
            params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
                ieee80211_recalc_ps(local);
                ieee80211_recalc_ps_vif(sdata);
        }

        return 0;
}

#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
                               const u8 *dst, const u8 *next_hop)
{
        struct ieee80211_sub_if_data *sdata;
        struct mesh_path *mpath;
        struct sta_info *sta;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        rcu_read_lock();
        sta = sta_info_get(sdata, next_hop);
        if (!sta) {
                rcu_read_unlock();
                return -ENOENT;
        }

        mpath = mesh_path_add(sdata, dst);
        if (IS_ERR(mpath)) {
                rcu_read_unlock();
                return PTR_ERR(mpath);
        }

        mesh_path_fix_nexthop(mpath, sta);

        rcu_read_unlock();
        return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
                               const u8 *dst)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        if (dst)
                return mesh_path_del(sdata, dst);

        mesh_path_flush_by_iface(sdata);
        return 0;
}

static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
                                  const u8 *dst, const u8 *next_hop)
{
        struct ieee80211_sub_if_data *sdata;
        struct mesh_path *mpath;
        struct sta_info *sta;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        rcu_read_lock();

        sta = sta_info_get(sdata, next_hop);
        if (!sta) {
                rcu_read_unlock();
                return -ENOENT;
        }

        mpath = mesh_path_lookup(sdata, dst);
        if (!mpath) {
                rcu_read_unlock();
                return -ENOENT;
        }

        mesh_path_fix_nexthop(mpath, sta);

        rcu_read_unlock();
        return 0;
}

static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
                            struct mpath_info *pinfo)
{
        struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);

        if (next_hop_sta)
                memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
        else
                eth_zero_addr(next_hop);

        memset(pinfo, 0, sizeof(*pinfo));

        pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;

        pinfo->filled = MPATH_INFO_FRAME_QLEN |
                        MPATH_INFO_SN |
                        MPATH_INFO_METRIC |
                        MPATH_INFO_EXPTIME |
                        MPATH_INFO_DISCOVERY_TIMEOUT |
                        MPATH_INFO_DISCOVERY_RETRIES |
                        MPATH_INFO_FLAGS |
                        MPATH_INFO_HOP_COUNT |
                        MPATH_INFO_PATH_CHANGE;

        pinfo->frame_qlen = mpath->frame_queue.qlen;
        pinfo->sn = mpath->sn;
        pinfo->metric = mpath->metric;
        if (time_before(jiffies, mpath->exp_time))
                pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
        pinfo->discovery_timeout =
                        jiffies_to_msecs(mpath->discovery_timeout);
        pinfo->discovery_retries = mpath->discovery_retries;
        if (mpath->flags & MESH_PATH_ACTIVE)
                pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
        if (mpath->flags & MESH_PATH_RESOLVING)
                pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
        if (mpath->flags & MESH_PATH_SN_VALID)
                pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
        if (mpath->flags & MESH_PATH_FIXED)
                pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
        if (mpath->flags & MESH_PATH_RESOLVED)
                pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
        pinfo->hop_count = mpath->hop_count;
        pinfo->path_change_count = mpath->path_change_count;
}

static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
                               u8 *dst, u8 *next_hop, struct mpath_info *pinfo)

{
        struct ieee80211_sub_if_data *sdata;
        struct mesh_path *mpath;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        rcu_read_lock();
        mpath = mesh_path_lookup(sdata, dst);
        if (!mpath) {
                rcu_read_unlock();
                return -ENOENT;
        }
        memcpy(dst, mpath->dst, ETH_ALEN);
        mpath_set_pinfo(mpath, next_hop, pinfo);
        rcu_read_unlock();
        return 0;
}

static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
                                int idx, u8 *dst, u8 *next_hop,
                                struct mpath_info *pinfo)
{
        struct ieee80211_sub_if_data *sdata;
        struct mesh_path *mpath;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        rcu_read_lock();
        mpath = mesh_path_lookup_by_idx(sdata, idx);
        if (!mpath) {
                rcu_read_unlock();
                return -ENOENT;
        }
        memcpy(dst, mpath->dst, ETH_ALEN);
        mpath_set_pinfo(mpath, next_hop, pinfo);
        rcu_read_unlock();
        return 0;
}

static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
                          struct mpath_info *pinfo)
{
        memset(pinfo, 0, sizeof(*pinfo));
        memcpy(mpp, mpath->mpp, ETH_ALEN);

        pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
}

static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
                             u8 *dst, u8 *mpp, struct mpath_info *pinfo)

{
        struct ieee80211_sub_if_data *sdata;
        struct mesh_path *mpath;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        rcu_read_lock();
        mpath = mpp_path_lookup(sdata, dst);
        if (!mpath) {
                rcu_read_unlock();
                return -ENOENT;
        }
        memcpy(dst, mpath->dst, ETH_ALEN);
        mpp_set_pinfo(mpath, mpp, pinfo);
        rcu_read_unlock();
        return 0;
}

static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
                              int idx, u8 *dst, u8 *mpp,
                              struct mpath_info *pinfo)
{
        struct ieee80211_sub_if_data *sdata;
        struct mesh_path *mpath;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        rcu_read_lock();
        mpath = mpp_path_lookup_by_idx(sdata, idx);
        if (!mpath) {
                rcu_read_unlock();
                return -ENOENT;
        }
        memcpy(dst, mpath->dst, ETH_ALEN);
        mpp_set_pinfo(mpath, mpp, pinfo);
        rcu_read_unlock();
        return 0;
}

static int ieee80211_get_mesh_config(struct wiphy *wiphy,
                                struct net_device *dev,
                                struct mesh_config *conf)
{
        struct ieee80211_sub_if_data *sdata;
        sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
        return 0;
}

static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
{
        return (mask >> (parm-1)) & 0x1;
}

static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
                const struct mesh_setup *setup)
{
        u8 *new_ie;
        struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
                                        struct ieee80211_sub_if_data, u.mesh);
        int i;

        /* allocate information elements */
        new_ie = NULL;

        if (setup->ie_len) {
                new_ie = kmemdup(setup->ie, setup->ie_len,
                                GFP_KERNEL);
                if (!new_ie)
                        return -ENOMEM;
        }
        ifmsh->ie_len = setup->ie_len;
        ifmsh->ie = new_ie;

        /* now copy the rest of the setup parameters */
        ifmsh->mesh_id_len = setup->mesh_id_len;
        memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
        ifmsh->mesh_sp_id = setup->sync_method;
        ifmsh->mesh_pp_id = setup->path_sel_proto;
        ifmsh->mesh_pm_id = setup->path_metric;
        ifmsh->user_mpm = setup->user_mpm;
        ifmsh->mesh_auth_id = setup->auth_id;
        ifmsh->security = IEEE80211_MESH_SEC_NONE;
        ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
        if (setup->is_authenticated)
                ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
        if (setup->is_secure)
                ifmsh->security |= IEEE80211_MESH_SEC_SECURED;

        /* mcast rate setting in Mesh Node */
        memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
                                                sizeof(setup->mcast_rate));
        sdata->vif.bss_conf.basic_rates = setup->basic_rates;

        sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
        sdata->vif.bss_conf.dtim_period = setup->dtim_period;

        sdata->beacon_rate_set = false;
        if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
                                    NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
                for (i = 0; i < NUM_NL80211_BANDS; i++) {
                        sdata->beacon_rateidx_mask[i] =
                                setup->beacon_rate.control[i].legacy;
                        if (sdata->beacon_rateidx_mask[i])
                                sdata->beacon_rate_set = true;
                }
        }

        return 0;
}

static int ieee80211_update_mesh_config(struct wiphy *wiphy,
                                        struct net_device *dev, u32 mask,
                                        const struct mesh_config *nconf)
{
        struct mesh_config *conf;
        struct ieee80211_sub_if_data *sdata;
        struct ieee80211_if_mesh *ifmsh;

        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        ifmsh = &sdata->u.mesh;

        /* Set the config options which we are interested in setting */
        conf = &(sdata->u.mesh.mshcfg);
        if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
                conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
                conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
                conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
                conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
        if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
                conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
        if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
                conf->dot11MeshTTL = nconf->dot11MeshTTL;
        if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
                conf->element_ttl = nconf->element_ttl;
        if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
                if (ifmsh->user_mpm)
                        return -EBUSY;
                conf->auto_open_plinks = nconf->auto_open_plinks;
        }
        if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
                conf->dot11MeshNbrOffsetMaxNeighbor =
                        nconf->dot11MeshNbrOffsetMaxNeighbor;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
                conf->dot11MeshHWMPmaxPREQretries =
                        nconf->dot11MeshHWMPmaxPREQretries;
        if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
                conf->path_refresh_time = nconf->path_refresh_time;
        if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
                conf->min_discovery_timeout = nconf->min_discovery_timeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
                conf->dot11MeshHWMPactivePathTimeout =
                        nconf->dot11MeshHWMPactivePathTimeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
                conf->dot11MeshHWMPpreqMinInterval =
                        nconf->dot11MeshHWMPpreqMinInterval;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
                conf->dot11MeshHWMPperrMinInterval =
                        nconf->dot11MeshHWMPperrMinInterval;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
                           mask))
                conf->dot11MeshHWMPnetDiameterTraversalTime =
                        nconf->dot11MeshHWMPnetDiameterTraversalTime;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
                conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
                ieee80211_mesh_root_setup(ifmsh);
        }
        if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
                /* our current gate announcement implementation rides on root
                 * announcements, so require this ifmsh to also be a root node
                 * */
                if (nconf->dot11MeshGateAnnouncementProtocol &&
                    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
                        conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
                        ieee80211_mesh_root_setup(ifmsh);
                }
                conf->dot11MeshGateAnnouncementProtocol =
                        nconf->dot11MeshGateAnnouncementProtocol;
        }
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
                conf->dot11MeshHWMPRannInterval =
                        nconf->dot11MeshHWMPRannInterval;
        if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
                conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
        if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
                /* our RSSI threshold implementation is supported only for
                 * devices that report signal in dBm.
                 */
                if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
                        return -EOPNOTSUPP;
                conf->rssi_threshold = nconf->rssi_threshold;
        }
        if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
                conf->ht_opmode = nconf->ht_opmode;
                sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
                ieee80211_link_info_change_notify(sdata, &sdata->deflink,
                                                  BSS_CHANGED_HT);
        }
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
                conf->dot11MeshHWMPactivePathToRootTimeout =
                        nconf->dot11MeshHWMPactivePathToRootTimeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
                conf->dot11MeshHWMProotInterval =
                        nconf->dot11MeshHWMProotInterval;
        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
                conf->dot11MeshHWMPconfirmationInterval =
                        nconf->dot11MeshHWMPconfirmationInterval;
        if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
                conf->power_mode = nconf->power_mode;
                ieee80211_mps_local_status_update(sdata);
        }
        if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
                conf->dot11MeshAwakeWindowDuration =
                        nconf->dot11MeshAwakeWindowDuration;
        if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
                conf->plink_timeout = nconf->plink_timeout;
        if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
                conf->dot11MeshConnectedToMeshGate =
                        nconf->dot11MeshConnectedToMeshGate;
        if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
                conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
        if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
                conf->dot11MeshConnectedToAuthServer =
                        nconf->dot11MeshConnectedToAuthServer;
        ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
        return 0;
}

static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
                               const struct mesh_config *conf,
                               const struct mesh_setup *setup)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_chan_req chanreq = { .oper = setup->chandef };
        struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
        int err;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
        err = copy_mesh_setup(ifmsh, setup);
        if (err)
                return err;

        sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;

        /* can mesh use other SMPS modes? */
        sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
        sdata->deflink.needed_rx_chains = sdata->local->rx_chains;

        err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
                                         IEEE80211_CHANCTX_SHARED);
        if (err)
                return err;

        return ieee80211_start_mesh(sdata);
}

static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        ieee80211_stop_mesh(sdata);
        ieee80211_link_release_channel(&sdata->deflink);
        kfree(sdata->u.mesh.ie);

        return 0;
}
#endif

static int ieee80211_change_bss(struct wiphy *wiphy,
                                struct net_device *dev,
                                struct bss_parameters *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_link_data *link;
        struct ieee80211_supported_band *sband;
        u64 changed = 0;

        link = ieee80211_link_or_deflink(sdata, params->link_id, true);
        if (IS_ERR(link))
                return PTR_ERR(link);

        if (!sdata_dereference(link->u.ap.beacon, sdata))
                return -ENOENT;

        sband = ieee80211_get_link_sband(link);
        if (!sband)
                return -EINVAL;

        if (params->basic_rates) {
                if (!ieee80211_parse_bitrates(sband,
                                              params->basic_rates,
                                              params->basic_rates_len,
                                              &link->conf->basic_rates))
                        return -EINVAL;
                changed |= BSS_CHANGED_BASIC_RATES;
                ieee80211_check_rate_mask(link);
        }

        if (params->use_cts_prot >= 0) {
                link->conf->use_cts_prot = params->use_cts_prot;
                changed |= BSS_CHANGED_ERP_CTS_PROT;
        }
        if (params->use_short_preamble >= 0) {
                link->conf->use_short_preamble = params->use_short_preamble;
                changed |= BSS_CHANGED_ERP_PREAMBLE;
        }

        if (!link->conf->use_short_slot &&
            (sband->band == NL80211_BAND_5GHZ ||
             sband->band == NL80211_BAND_6GHZ)) {
                link->conf->use_short_slot = true;
                changed |= BSS_CHANGED_ERP_SLOT;
        }

        if (params->use_short_slot_time >= 0) {
                link->conf->use_short_slot = params->use_short_slot_time;
                changed |= BSS_CHANGED_ERP_SLOT;
        }

        if (params->ap_isolate >= 0) {
                if (params->ap_isolate)
                        sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
                else
                        sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
                ieee80211_check_fast_rx_iface(sdata);
        }

        if (params->ht_opmode >= 0) {
                link->conf->ht_operation_mode = (u16)params->ht_opmode;
                changed |= BSS_CHANGED_HT;
        }

        if (params->p2p_ctwindow >= 0) {
                link->conf->p2p_noa_attr.oppps_ctwindow &=
                                        ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
                link->conf->p2p_noa_attr.oppps_ctwindow |=
                        params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
                changed |= BSS_CHANGED_P2P_PS;
        }

        if (params->p2p_opp_ps > 0) {
                link->conf->p2p_noa_attr.oppps_ctwindow |=
                                        IEEE80211_P2P_OPPPS_ENABLE_BIT;
                changed |= BSS_CHANGED_P2P_PS;
        } else if (params->p2p_opp_ps == 0) {
                link->conf->p2p_noa_attr.oppps_ctwindow &=
                                        ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
                changed |= BSS_CHANGED_P2P_PS;
        }

        ieee80211_link_info_change_notify(sdata, link, changed);

        return 0;
}

static int ieee80211_set_txq_params(struct wiphy *wiphy,
                                    struct net_device *dev,
                                    struct ieee80211_txq_params *params)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_link_data *link =
                ieee80211_link_or_deflink(sdata, params->link_id, true);
        struct ieee80211_tx_queue_params p;

        if (!local->ops->conf_tx)
                return -EOPNOTSUPP;

        if (local->hw.queues < IEEE80211_NUM_ACS)
                return -EOPNOTSUPP;

        if (IS_ERR(link))
                return PTR_ERR(link);

        memset(&p, 0, sizeof(p));
        p.aifs = params->aifs;
        p.cw_max = params->cwmax;
        p.cw_min = params->cwmin;
        p.txop = params->txop;

        /*
         * Setting tx queue params disables u-apsd because it's only
         * called in master mode.
         */
        p.uapsd = false;

        ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);

        link->tx_conf[params->ac] = p;
        if (drv_conf_tx(local, link, params->ac, &p)) {
                wiphy_debug(local->hw.wiphy,
                            "failed to set TX queue parameters for AC %d\n",
                            params->ac);
                return -EINVAL;
        }

        ieee80211_link_info_change_notify(sdata, link,
                                          BSS_CHANGED_QOS);

        return 0;
}

#ifdef CONFIG_PM
static int ieee80211_suspend(struct wiphy *wiphy,
                             struct cfg80211_wowlan *wowlan)
{
        return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
}

static int ieee80211_resume(struct wiphy *wiphy)
{
        return __ieee80211_resume(wiphy_priv(wiphy));
}
#else
#define ieee80211_suspend NULL
#define ieee80211_resume NULL
#endif

static int ieee80211_scan(struct wiphy *wiphy,
                          struct cfg80211_scan_request *req)
{
        struct ieee80211_sub_if_data *sdata;
        struct ieee80211_link_data *link;
        struct ieee80211_channel *chan;
        int radio_idx;

        sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);

        switch (ieee80211_vif_type_p2p(&sdata->vif)) {
        case NL80211_IFTYPE_STATION:
        case NL80211_IFTYPE_ADHOC:
        case NL80211_IFTYPE_MESH_POINT:
        case NL80211_IFTYPE_P2P_CLIENT:
        case NL80211_IFTYPE_P2P_DEVICE:
                break;
        case NL80211_IFTYPE_P2P_GO:
                if (sdata->local->ops->hw_scan)
                        break;
                /*
                 * FIXME: implement NoA while scanning in software,
                 * for now fall through to allow scanning only when
                 * beaconing hasn't been configured yet
                 */
                fallthrough;
        case NL80211_IFTYPE_AP:
                /*
                 * If the scan has been forced (and the driver supports
                 * forcing), don't care about being beaconing already.
                 * This will create problems to the attached stations (e.g. all
                 * the frames sent while scanning on other channel will be
                 * lost)
                 */
                for_each_link_data(sdata, link) {
                        /* if the link is not beaconing, ignore it */
                        if (!sdata_dereference(link->u.ap.beacon, sdata))
                                continue;

                        chan = link->conf->chanreq.oper.chan;
                        radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan);

                        if (ieee80211_is_radio_idx_in_scan_req(wiphy, req,
                                                               radio_idx) &&
                            (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
                             !(req->flags & NL80211_SCAN_FLAG_AP)))
                                return -EOPNOTSUPP;
                }
                break;
        case NL80211_IFTYPE_NAN:
        case NL80211_IFTYPE_PD:
        default:
                return -EOPNOTSUPP;
        }

        return ieee80211_request_scan(sdata, req);
}

static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
        ieee80211_scan_cancel(wiphy_priv(wiphy));
}

static int
ieee80211_sched_scan_start(struct wiphy *wiphy,
                           struct net_device *dev,
                           struct cfg80211_sched_scan_request *req)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        if (!sdata->local->ops->sched_scan_start)
                return -EOPNOTSUPP;

        return ieee80211_request_sched_scan_start(sdata, req);
}

static int
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
                          u64 reqid)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);

        if (!local->ops->sched_scan_stop)
                return -EOPNOTSUPP;

        return ieee80211_request_sched_scan_stop(local);
}

static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
                          struct cfg80211_auth_request *req)
{
        return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
                           struct cfg80211_assoc_request *req)
{
        return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
                            struct cfg80211_deauth_request *req)
{
        return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
                              struct cfg80211_disassoc_request *req)
{
        return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
}

static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
                               struct cfg80211_ibss_params *params)
{
        return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
        return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
}

static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
                              struct ocb_setup *setup)
{
        return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
}

static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
{
        return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
}

static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
                                    int rate[NUM_NL80211_BANDS])
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        memcpy(sdata->vif.bss_conf.mcast_rate, rate,
               sizeof(int) * NUM_NL80211_BANDS);

        if (ieee80211_sdata_running(sdata))
                ieee80211_link_info_change_notify(sdata, &sdata->deflink,
                                                  BSS_CHANGED_MCAST_RATE);

        return 0;
}

static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
                                      u32 changed)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        int err;

        if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
                ieee80211_check_fast_xmit_all(local);

                err = drv_set_frag_threshold(local, radio_idx,
                                             wiphy->frag_threshold);

                if (err) {
                        ieee80211_check_fast_xmit_all(local);
                        return err;
                }
        }

        if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
            (changed & WIPHY_PARAM_DYN_ACK)) {
                s16 coverage_class;

                coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
                                        wiphy->coverage_class : -1;
                err = drv_set_coverage_class(local, radio_idx,
                                             coverage_class);

                if (err)
                        return err;
        }

        if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
                u32 rts_threshold;

                if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio))
                        rts_threshold = wiphy->rts_threshold;
                else
                        rts_threshold =
                                wiphy->radio_cfg[radio_idx].rts_threshold;

                err = drv_set_rts_threshold(local, radio_idx, rts_threshold);

                if (err)
                        return err;
        }

        if (changed & WIPHY_PARAM_RETRY_SHORT) {
                if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
                        return -EINVAL;
                local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
        }
        if (changed & WIPHY_PARAM_RETRY_LONG) {
                if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
                        return -EINVAL;
                local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
        }
        if (changed &
            (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
                ieee80211_hw_config(local, radio_idx,
                                    IEEE80211_CONF_CHANGE_RETRY_LIMITS);

        if (changed & (WIPHY_PARAM_TXQ_LIMIT |
                       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
                       WIPHY_PARAM_TXQ_QUANTUM))
                ieee80211_txq_set_params(local, radio_idx);

        return 0;
}

static int ieee80211_set_tx_power(struct wiphy *wiphy,
                                  struct wireless_dev *wdev, int radio_idx,
                                  enum nl80211_tx_power_setting type, int mbm)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata;
        enum nl80211_tx_power_setting txp_type = type;
        bool update_txp_type = false;
        bool has_monitor = false;
        int user_power_level;
        int old_power = local->user_power_level;

        lockdep_assert_wiphy(local->hw.wiphy);

        switch (type) {
        case NL80211_TX_POWER_AUTOMATIC:
                user_power_level = IEEE80211_UNSET_POWER_LEVEL;
                txp_type = NL80211_TX_POWER_LIMITED;
                break;
        case NL80211_TX_POWER_LIMITED:
        case NL80211_TX_POWER_FIXED:
                if (mbm < 0 || (mbm % 100))
                        return -EOPNOTSUPP;
                user_power_level = MBM_TO_DBM(mbm);
                break;
        default:
                return -EINVAL;
        }

        if (wdev) {
                sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

                if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
                    !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
                        if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
                                return -EOPNOTSUPP;

                        sdata = wiphy_dereference(local->hw.wiphy,
                                                  local->monitor_sdata);
                        if (!sdata)
                                return -EOPNOTSUPP;
                }

                for (int link_id = 0;
                     link_id < ARRAY_SIZE(sdata->link);
                     link_id++) {
                        struct ieee80211_link_data *link =
                                wiphy_dereference(wiphy, sdata->link[link_id]);

                        if (!link)
                                continue;

                        link->user_power_level = user_power_level;

                        if (txp_type != link->conf->txpower_type) {
                                update_txp_type = true;
                                link->conf->txpower_type = txp_type;
                        }

                        ieee80211_recalc_txpower(link, update_txp_type);
                }
                return 0;
        }

        local->user_power_level = user_power_level;

        list_for_each_entry(sdata, &local->interfaces, list) {
                if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
                    !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
                        has_monitor = true;
                        continue;
                }

                for (int link_id = 0;
                     link_id < ARRAY_SIZE(sdata->link);
                     link_id++) {
                        struct ieee80211_link_data *link =
                                wiphy_dereference(wiphy, sdata->link[link_id]);

                        if (!link)
                                continue;

                        link->user_power_level = local->user_power_level;
                        if (txp_type != link->conf->txpower_type)
                                update_txp_type = true;
                        link->conf->txpower_type = txp_type;
                }
        }
        list_for_each_entry(sdata, &local->interfaces, list) {
                if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
                    !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
                        continue;

                for (int link_id = 0;
                     link_id < ARRAY_SIZE(sdata->link);
                     link_id++) {
                        struct ieee80211_link_data *link =
                                wiphy_dereference(wiphy, sdata->link[link_id]);

                        if (!link)
                                continue;

                        ieee80211_recalc_txpower(link, update_txp_type);
                }
        }

        if (has_monitor) {
                sdata = wiphy_dereference(local->hw.wiphy,
                                          local->monitor_sdata);
                if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) {
                        sdata->deflink.user_power_level = local->user_power_level;
                        if (txp_type != sdata->vif.bss_conf.txpower_type)
                                update_txp_type = true;
                        sdata->vif.bss_conf.txpower_type = txp_type;

                        ieee80211_recalc_txpower(&sdata->deflink,
                                                 update_txp_type);
                }
        }

        if (local->emulate_chanctx &&
            (old_power != local->user_power_level))
                ieee80211_hw_conf_chan(local);

        return 0;
}

static int ieee80211_get_tx_power(struct wiphy *wiphy,
                                  struct wireless_dev *wdev,
                                  int radio_idx,
                                  unsigned int link_id,
                                  int *dbm)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_link_data *link_data;

        if (local->ops->get_txpower &&
            (sdata->flags & IEEE80211_SDATA_IN_DRIVER))
                return drv_get_txpower(local, sdata, link_id, dbm);

        if (local->emulate_chanctx) {
                *dbm = local->hw.conf.power_level;
        } else {
                link_data = wiphy_dereference(wiphy, sdata->link[link_id]);

                if (link_data)
                        *dbm = link_data->conf->txpower;
                else
                        return -ENOLINK;
        }

        /* INT_MIN indicates no power level was set yet */
        if (*dbm == INT_MIN)
                return -EINVAL;

        return 0;
}

static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);

        drv_rfkill_poll(local);
}

#ifdef CONFIG_NL80211_TESTMODE
static int ieee80211_testmode_cmd(struct wiphy *wiphy,
                                  struct wireless_dev *wdev,
                                  void *data, int len)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_vif *vif = NULL;

        if (!local->ops->testmode_cmd)
                return -EOPNOTSUPP;

        if (wdev) {
                struct ieee80211_sub_if_data *sdata;

                sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
                if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
                        vif = &sdata->vif;
        }

        return local->ops->testmode_cmd(&local->hw, vif, data, len);
}

static int ieee80211_testmode_dump(struct wiphy *wiphy,
                                   struct sk_buff *skb,
                                   struct netlink_callback *cb,
                                   void *data, int len)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);

        if (!local->ops->testmode_dump)
                return -EOPNOTSUPP;

        return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
}
#endif

int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
                                 struct ieee80211_link_data *link,
                                 enum ieee80211_smps_mode smps_mode)
{
        const u8 *ap;
        enum ieee80211_smps_mode old_req;
        int err;
        struct sta_info *sta;
        bool tdls_peer_found = false;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
                return -EINVAL;

        if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
                return 0;

        old_req = link->u.mgd.req_smps;
        link->u.mgd.req_smps = smps_mode;

        /* The driver indicated that EML is enabled for the interface, which
         * implies that SMPS flows towards the AP should be stopped.
         */
        if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)
                return 0;

        if (old_req == smps_mode &&
            smps_mode != IEEE80211_SMPS_AUTOMATIC)
                return 0;

        /*
         * If not associated, or current association is not an HT
         * association, there's no need to do anything, just store
         * the new value until we associate.
         */
        if (!sdata->u.mgd.associated ||
            link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT)
                return 0;

        ap = sdata->vif.cfg.ap_addr;

        rcu_read_lock();
        list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
                if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
                    !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
                        continue;

                tdls_peer_found = true;
                break;
        }
        rcu_read_unlock();

        if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
                if (tdls_peer_found || !sdata->u.mgd.powersave)
                        smps_mode = IEEE80211_SMPS_OFF;
                else
                        smps_mode = IEEE80211_SMPS_DYNAMIC;
        }

        /* send SM PS frame to AP */
        err = ieee80211_send_smps_action(sdata, smps_mode,
                                         ap, ap,
                                         ieee80211_vif_is_mld(&sdata->vif) ?
                                         link->link_id : -1);
        if (err)
                link->u.mgd.req_smps = old_req;
        else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
                ieee80211_teardown_tdls_peers(link);

        return err;
}

static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
                                    bool enabled, int timeout)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        unsigned int link_id;

        if (sdata->vif.type != NL80211_IFTYPE_STATION)
                return -EOPNOTSUPP;

        if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
                return -EOPNOTSUPP;

        if (enabled == sdata->u.mgd.powersave &&
            timeout == local->dynamic_ps_forced_timeout)
                return 0;

        sdata->u.mgd.powersave = enabled;
        local->dynamic_ps_forced_timeout = timeout;

        /* no change, but if automatic follow powersave */
        for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
                struct ieee80211_link_data *link;

                link = sdata_dereference(sdata->link[link_id], sdata);

                if (!link)
                        continue;
                __ieee80211_request_smps_mgd(sdata, link,
                                             link->u.mgd.req_smps);
        }

        if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
                ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);

        ieee80211_recalc_ps(local);
        ieee80211_recalc_ps_vif(sdata);
        ieee80211_check_fast_rx_iface(sdata);

        return 0;
}

static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata,
                                        struct ieee80211_link_data *link,
                                        s32 rssi_thold, u32 rssi_hyst,
                                        s32 rssi_low, s32 rssi_high)
{
        struct ieee80211_bss_conf *conf;

        if (!link || !link->conf)
                return;

        conf = link->conf;

        if (rssi_thold && rssi_hyst &&
            rssi_thold == conf->cqm_rssi_thold &&
            rssi_hyst == conf->cqm_rssi_hyst)
                return;

        conf->cqm_rssi_thold = rssi_thold;
        conf->cqm_rssi_hyst = rssi_hyst;
        conf->cqm_rssi_low = rssi_low;
        conf->cqm_rssi_high = rssi_high;
        link->u.mgd.last_cqm_event_signal = 0;

        if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
                return;

        if (sdata->u.mgd.associated &&
            (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
                ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM);
}

static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
                                         struct net_device *dev,
                                         s32 rssi_thold, u32 rssi_hyst)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_vif *vif = &sdata->vif;
        int link_id;

        if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER &&
            !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
                return -EOPNOTSUPP;

        /* For MLD, handle CQM change on all the active links */
        for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
                struct ieee80211_link_data *link =
                        sdata_dereference(sdata->link[link_id], sdata);

                ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst,
                                            0, 0);
        }

        return 0;
}

static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
                                               struct net_device *dev,
                                               s32 rssi_low, s32 rssi_high)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_vif *vif = &sdata->vif;
        int link_id;

        if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)
                return -EOPNOTSUPP;

        /* For MLD, handle CQM change on all the active links */
        for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
                struct ieee80211_link_data *link =
                        sdata_dereference(sdata->link[link_id], sdata);

                ieee80211_set_cqm_rssi_link(sdata, link, 0, 0,
                                            rssi_low, rssi_high);
        }

        return 0;
}

static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
                                      struct net_device *dev,
                                      unsigned int link_id,
                                      const u8 *addr,
                                      const struct cfg80211_bitrate_mask *mask)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        int i, ret;

        if (!ieee80211_sdata_running(sdata))
                return -ENETDOWN;

        /*
         * If active validate the setting and reject it if it doesn't leave
         * at least one basic rate usable, since we really have to be able
         * to send something, and if we're an AP we have to be able to do
         * so at a basic rate so that all clients can receive it.
         */
        if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
            sdata->vif.bss_conf.chanreq.oper.chan) {
                u32 basic_rates = sdata->vif.bss_conf.basic_rates;
                enum nl80211_band band;

                band = sdata->vif.bss_conf.chanreq.oper.chan->band;

                if (!(mask->control[band].legacy & basic_rates))
                        return -EINVAL;
        }

        if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
                ret = drv_set_bitrate_mask(local, sdata, mask);
                if (ret)
                        return ret;
        }

        for (i = 0; i < NUM_NL80211_BANDS; i++) {
                struct ieee80211_supported_band *sband = wiphy->bands[i];
                int j;

                sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
                memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
                       sizeof(mask->control[i].ht_mcs));
                memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
                       mask->control[i].vht_mcs,
                       sizeof(mask->control[i].vht_mcs));

                sdata->rc_has_mcs_mask[i] = false;
                sdata->rc_has_vht_mcs_mask[i] = false;
                if (!sband)
                        continue;

                for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
                        if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
                                sdata->rc_has_mcs_mask[i] = true;
                                break;
                        }
                }

                for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
                        if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
                                sdata->rc_has_vht_mcs_mask[i] = true;
                                break;
                        }
                }
        }

        return 0;
}

static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy,
                                      struct ieee80211_local *local,
                                      struct cfg80211_chan_def *chandef)
{
        struct cfg80211_scan_request *scan_req;
        int chan_radio_idx, req_radio_idx;
        struct ieee80211_roc_work *roc;

        if (list_empty(&local->roc_list) && !local->scanning)
                return false;

        req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chandef->chan);

        if (local->scanning) {
                scan_req = wiphy_dereference(wiphy, local->scan_req);
                /*
                 * Scan is going on but info is not there. Should not happen
                 * but if it does, let's not take risk and assume we can't use
                 * the hw hence return true
                 */
                if (WARN_ON_ONCE(!scan_req))
                        return true;

                return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req,
                                                          req_radio_idx);
        }

        list_for_each_entry(roc, &local->roc_list, list) {
                chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy,
                                                                roc->chan);
                if (chan_radio_idx == req_radio_idx)
                        return true;
        }

        return false;
}

static int ieee80211_start_radar_detection(struct wiphy *wiphy,
                                           struct net_device *dev,
                                           struct cfg80211_chan_def *chandef,
                                           u32 cac_time_ms, int link_id)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_chan_req chanreq = { .oper = *chandef };
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_link_data *link_data;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        if (ieee80211_is_scan_ongoing(wiphy, local, chandef))
                return -EBUSY;

        link_data = sdata_dereference(sdata->link[link_id], sdata);
        if (!link_data)
                return -ENOLINK;

        /* whatever, but channel contexts should not complain about that one */
        link_data->smps_mode = IEEE80211_SMPS_OFF;
        link_data->needed_rx_chains = local->rx_chains;

        err = ieee80211_link_use_channel(link_data, &chanreq,
                                         IEEE80211_CHANCTX_SHARED);
        if (err)
                return err;

        wiphy_hrtimer_work_queue(wiphy, &link_data->dfs_cac_timer_work,
                                 ms_to_ktime(cac_time_ms));

        return 0;
}

static void ieee80211_end_cac(struct wiphy *wiphy,
                              struct net_device *dev, unsigned int link_id)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_link_data *link_data;

        lockdep_assert_wiphy(local->hw.wiphy);

        list_for_each_entry(sdata, &local->interfaces, list) {
                link_data = sdata_dereference(sdata->link[link_id], sdata);
                if (!link_data)
                        continue;

                wiphy_hrtimer_work_cancel(wiphy,
                                          &link_data->dfs_cac_timer_work);

                if (sdata->wdev.links[link_id].cac_started) {
                        ieee80211_link_release_channel(link_data);
                        sdata->wdev.links[link_id].cac_started = false;
                }
        }
}

static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
{
        struct cfg80211_beacon_data *new_beacon;
        u8 *pos;
        int len;

        len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
              beacon->proberesp_ies_len + beacon->assocresp_ies_len +
              beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;

        if (beacon->mbssid_ies)
                len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies,
                                                       beacon->rnr_ies,
                                                       beacon->mbssid_ies->cnt);

        new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
        if (!new_beacon)
                return NULL;

        if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
                new_beacon->mbssid_ies =
                        kzalloc_flex(*new_beacon->mbssid_ies, elem,
                                     beacon->mbssid_ies->cnt);
                if (!new_beacon->mbssid_ies) {
                        kfree(new_beacon);
                        return NULL;
                }

                if (beacon->rnr_ies && beacon->rnr_ies->cnt) {
                        new_beacon->rnr_ies =
                                kzalloc_flex(*new_beacon->rnr_ies, elem,
                                             beacon->rnr_ies->cnt);
                        if (!new_beacon->rnr_ies) {
                                kfree(new_beacon->mbssid_ies);
                                kfree(new_beacon);
                                return NULL;
                        }
                }
        }

        pos = (u8 *)(new_beacon + 1);
        if (beacon->head_len) {
                new_beacon->head_len = beacon->head_len;
                new_beacon->head = pos;
                memcpy(pos, beacon->head, beacon->head_len);
                pos += beacon->head_len;
        }
        if (beacon->tail_len) {
                new_beacon->tail_len = beacon->tail_len;
                new_beacon->tail = pos;
                memcpy(pos, beacon->tail, beacon->tail_len);
                pos += beacon->tail_len;
        }
        if (beacon->beacon_ies_len) {
                new_beacon->beacon_ies_len = beacon->beacon_ies_len;
                new_beacon->beacon_ies = pos;
                memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
                pos += beacon->beacon_ies_len;
        }
        if (beacon->proberesp_ies_len) {
                new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
                new_beacon->proberesp_ies = pos;
                memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
                pos += beacon->proberesp_ies_len;
        }
        if (beacon->assocresp_ies_len) {
                new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
                new_beacon->assocresp_ies = pos;
                memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
                pos += beacon->assocresp_ies_len;
        }
        if (beacon->probe_resp_len) {
                new_beacon->probe_resp_len = beacon->probe_resp_len;
                new_beacon->probe_resp = pos;
                memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
                pos += beacon->probe_resp_len;
        }
        if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
                pos += ieee80211_copy_mbssid_beacon(pos,
                                                    new_beacon->mbssid_ies,
                                                    beacon->mbssid_ies);
                if (beacon->rnr_ies && beacon->rnr_ies->cnt)
                        pos += ieee80211_copy_rnr_beacon(pos,
                                                         new_beacon->rnr_ies,
                                                         beacon->rnr_ies);
        }

        /* might copy -1, meaning no changes requested */
        new_beacon->ftm_responder = beacon->ftm_responder;
        if (beacon->lci) {
                new_beacon->lci_len = beacon->lci_len;
                new_beacon->lci = pos;
                memcpy(pos, beacon->lci, beacon->lci_len);
                pos += beacon->lci_len;
        }
        if (beacon->civicloc) {
                new_beacon->civicloc_len = beacon->civicloc_len;
                new_beacon->civicloc = pos;
                memcpy(pos, beacon->civicloc, beacon->civicloc_len);
                pos += beacon->civicloc_len;
        }

        return new_beacon;
}

void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_bss_conf *tx_bss_conf;
        struct ieee80211_link_data *link_data;

        if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
                return;

        rcu_read_lock();

        link_data = rcu_dereference(sdata->link[link_id]);
        if (WARN_ON(!link_data)) {
                rcu_read_unlock();
                return;
        }

        tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf);
        if (tx_bss_conf == link_data->conf) {
                /* Trigger ieee80211_csa_finish() on the non-transmitting
                 * interfaces when channel switch is received on
                 * transmitting interface
                 */
                struct ieee80211_link_data *iter;

                for_each_sdata_link_rcu(local, iter) {
                        if (iter->sdata == sdata ||
                            rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf)
                                continue;

                        wiphy_work_queue(iter->sdata->local->hw.wiphy,
                                         &iter->csa.finalize_work);
                }
        }

        wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work);

        rcu_read_unlock();
}
EXPORT_SYMBOL(ieee80211_csa_finish);

void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
        struct ieee80211_local *local = sdata->local;

        sdata_info(sdata, "channel switch failed, disconnecting\n");
        wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work);
}
EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);

static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
                                          u64 *changed)
{
        struct ieee80211_sub_if_data *sdata = link_data->sdata;
        int err;

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_AP:
                if (!link_data->u.ap.next_beacon)
                        return -EINVAL;

                err = ieee80211_assign_beacon(sdata, link_data,
                                              link_data->u.ap.next_beacon,
                                              NULL, NULL, changed);
                ieee80211_free_next_beacon(link_data);

                if (err < 0)
                        return err;
                break;
        case NL80211_IFTYPE_ADHOC:
                err = ieee80211_ibss_finish_csa(sdata, changed);
                if (err < 0)
                        return err;
                break;
#ifdef CONFIG_MAC80211_MESH
        case NL80211_IFTYPE_MESH_POINT:
                err = ieee80211_mesh_finish_csa(sdata, changed);
                if (err < 0)
                        return err;
                break;
#endif
        default:
                WARN_ON(1);
                return -EINVAL;
        }

        return 0;
}

static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
{
        struct ieee80211_sub_if_data *sdata = link_data->sdata;
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_bss_conf *link_conf = link_data->conf;
        u64 changed = 0;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        /*
         * using reservation isn't immediate as it may be deferred until later
         * with multi-vif. once reservation is complete it will re-schedule the
         * work with no reserved_chanctx so verify chandef to check if it
         * completed successfully
         */

        if (link_data->reserved_chanctx) {
                /*
                 * with multi-vif csa driver may call ieee80211_csa_finish()
                 * many times while waiting for other interfaces to use their
                 * reservations
                 */
                if (link_data->reserved_ready)
                        return 0;

                return ieee80211_link_use_reserved_context(link_data);
        }

        if (!cfg80211_chandef_identical(&link_conf->chanreq.oper,
                                        &link_data->csa.chanreq.oper))
                return -EINVAL;

        link_conf->csa_active = false;

        err = ieee80211_set_after_csa_beacon(link_data, &changed);
        if (err)
                return err;

        ieee80211_link_info_change_notify(sdata, link_data, changed);

        if (sdata->vif.type == NL80211_IFTYPE_AP)
                ieee80211_uhr_disable_dbe_all_stas(link_data);

        ieee80211_vif_unblock_queues_csa(sdata);

        err = drv_post_channel_switch(link_data);
        if (err)
                return err;

        cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper,
                                  link_data->link_id);

        return 0;
}

static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
{
        struct ieee80211_sub_if_data *sdata = link_data->sdata;
        int link_id = -1;

        if (__ieee80211_csa_finalize(link_data)) {
                sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n",
                           link_data->link_id);
                if (sdata->vif.type == NL80211_IFTYPE_AP ||
                    sdata->vif.type == NL80211_IFTYPE_P2P_GO)
                        /*
                         * link_id is expected only for AP/P2P_GO type
                         * currently
                         */
                        link_id = link_data->link_id;

                cfg80211_stop_link(sdata->local->hw.wiphy, &sdata->wdev,
                                   link_id, GFP_KERNEL);
        }
}

void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
{
        struct ieee80211_link_data *link =
                container_of(work, struct ieee80211_link_data, csa.finalize_work);
        struct ieee80211_sub_if_data *sdata = link->sdata;
        struct ieee80211_local *local = sdata->local;

        lockdep_assert_wiphy(local->hw.wiphy);

        /* AP might have been stopped while waiting for the lock. */
        if (!link->conf->csa_active)
                return;

        if (!ieee80211_sdata_running(sdata))
                return;

        ieee80211_csa_finalize(link);
}

static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
                                    struct cfg80211_csa_settings *params,
                                    u64 *changed)
{
        struct ieee80211_sub_if_data *sdata = link_data->sdata;
        struct ieee80211_csa_settings csa = {};
        int err;

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_AP:
                link_data->u.ap.next_beacon =
                        cfg80211_beacon_dup(&params->beacon_after);
                if (!link_data->u.ap.next_beacon)
                        return -ENOMEM;

                /*
                 * With a count of 0, we don't have to wait for any
                 * TBTT before switching, so complete the CSA
                 * immediately.  In theory, with a count == 1 we
                 * should delay the switch until just before the next
                 * TBTT, but that would complicate things so we switch
                 * immediately too.  If we would delay the switch
                 * until the next TBTT, we would have to set the probe
                 * response here.
                 *
                 * TODO: A channel switch with count <= 1 without
                 * sending a CSA action frame is kind of useless,
                 * because the clients won't know we're changing
                 * channels.  The action frame must be implemented
                 * either here or in the userspace.
                 */
                if (params->count <= 1)
                        break;

                if ((params->n_counter_offsets_beacon >
                     IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
                    (params->n_counter_offsets_presp >
                     IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
                        ieee80211_free_next_beacon(link_data);
                        return -EINVAL;
                }

                csa.counter_offsets_beacon = params->counter_offsets_beacon;
                csa.counter_offsets_presp = params->counter_offsets_presp;
                csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
                csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
                csa.count = params->count;

                err = ieee80211_assign_beacon(sdata, link_data,
                                              &params->beacon_csa, &csa,
                                              NULL, changed);
                if (err < 0) {
                        ieee80211_free_next_beacon(link_data);
                        return err;
                }

                break;
        case NL80211_IFTYPE_ADHOC:
                if (!sdata->vif.cfg.ibss_joined)
                        return -EINVAL;

                if (params->chandef.width != sdata->u.ibss.chandef.width)
                        return -EINVAL;

                switch (params->chandef.width) {
                case NL80211_CHAN_WIDTH_40:
                        if (cfg80211_get_chandef_type(&params->chandef) !=
                            cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
                                return -EINVAL;
                        break;
                case NL80211_CHAN_WIDTH_20_NOHT:
                case NL80211_CHAN_WIDTH_20:
                        break;
                default:
                        return -EINVAL;
                }

                /* changes into another band are not supported */
                if (sdata->u.ibss.chandef.chan->band !=
                    params->chandef.chan->band)
                        return -EINVAL;

                /* see comments in the NL80211_IFTYPE_AP block */
                if (params->count > 1) {
                        err = ieee80211_ibss_csa_beacon(sdata, params, changed);
                        if (err < 0)
                                return err;
                }

                ieee80211_send_action_csa(sdata, params);

                break;
#ifdef CONFIG_MAC80211_MESH
        case NL80211_IFTYPE_MESH_POINT: {
                struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;

                /* changes into another band are not supported */
                if (sdata->vif.bss_conf.chanreq.oper.chan->band !=
                    params->chandef.chan->band)
                        return -EINVAL;

                if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
                        ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
                        if (!ifmsh->pre_value)
                                ifmsh->pre_value = 1;
                        else
                                ifmsh->pre_value++;
                }

                /* see comments in the NL80211_IFTYPE_AP block */
                if (params->count > 1) {
                        err = ieee80211_mesh_csa_beacon(sdata, params, changed);
                        if (err < 0) {
                                ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
                                return err;
                        }
                }

                if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
                        ieee80211_send_action_csa(sdata, params);

                break;
                }
#endif
        default:
                return -EOPNOTSUPP;
        }

        return 0;
}

static void ieee80211_color_change_abort(struct ieee80211_link_data *link)
{
        link->conf->color_change_active = false;

        ieee80211_free_next_beacon(link);

        cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id);
}

static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
                           struct cfg80211_csa_settings *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_chan_req chanreq = {
                .oper = params->chandef,
                .require_npca = true,
        };
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_channel_switch ch_switch = {
                .link_id = params->link_id,
        };
        struct ieee80211_chanctx_conf *conf;
        struct ieee80211_chanctx *chanctx;
        struct ieee80211_bss_conf *link_conf;
        struct ieee80211_link_data *link_data;
        u64 changed = 0;
        u8 link_id = params->link_id;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        if (ieee80211_is_scan_ongoing(wiphy, local, &params->chandef))
                return -EBUSY;

        if (sdata->wdev.links[link_id].cac_started)
                return -EBUSY;

        if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
                return -EINVAL;

        link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
        if (!link_data)
                return -ENOLINK;

        link_conf = link_data->conf;

        if (chanreq.oper.punctured && !link_conf->eht_support)
                return -EINVAL;

        /* don't allow another channel switch if one is already active. */
        if (link_conf->csa_active)
                return -EBUSY;

        conf = wiphy_dereference(wiphy, link_conf->chanctx_conf);
        if (!conf) {
                err = -EBUSY;
                goto out;
        }

        if (params->chandef.chan->freq_offset) {
                /* this may work, but is untested */
                err = -EOPNOTSUPP;
                goto out;
        }

        err = ieee80211_set_unsol_bcast_probe_resp(sdata,
                                                   &params->unsol_bcast_probe_resp,
                                                   link_data, link_conf, &changed);
        if (err)
                goto out;

        chanctx = container_of(conf, struct ieee80211_chanctx, conf);

        ch_switch.timestamp = 0;
        ch_switch.device_timestamp = 0;
        ch_switch.block_tx = params->block_tx;
        ch_switch.chandef = chanreq.oper;
        ch_switch.count = params->count;

        err = drv_pre_channel_switch(sdata, &ch_switch);
        if (err)
                goto out;

        err = ieee80211_link_reserve_chanctx(link_data, &chanreq,
                                             chanctx->mode,
                                             params->radar_required);
        if (err)
                goto out;

        /* if reservation is invalid then this will fail */
        err = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
        if (err) {
                ieee80211_link_unreserve_chanctx(link_data);
                goto out;
        }

        /* if there is a color change in progress, abort it */
        if (link_conf->color_change_active)
                ieee80211_color_change_abort(link_data);

        err = ieee80211_set_csa_beacon(link_data, params, &changed);
        if (err) {
                ieee80211_link_unreserve_chanctx(link_data);
                goto out;
        }

        link_data->csa.chanreq = chanreq;
        link_conf->csa_active = true;

        if (params->block_tx)
                ieee80211_vif_block_queues_csa(sdata);

        cfg80211_ch_switch_started_notify(sdata->dev,
                                          &link_data->csa.chanreq.oper, link_id,
                                          params->count, params->block_tx);

        if (changed) {
                ieee80211_link_info_change_notify(sdata, link_data, changed);
                drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper);
        } else {
                /* if the beacon didn't change, we can finalize immediately */
                ieee80211_csa_finalize(link_data);
        }

out:
        return err;
}

int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
                             struct cfg80211_csa_settings *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;

        lockdep_assert_wiphy(local->hw.wiphy);

        return __ieee80211_channel_switch(wiphy, dev, params);
}

u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
{
        lockdep_assert_wiphy(local->hw.wiphy);

        local->roc_cookie_counter++;

        /* wow, you wrapped 64 bits ... more likely a bug */
        if (WARN_ON(local->roc_cookie_counter == 0))
                local->roc_cookie_counter++;

        return local->roc_cookie_counter;
}

int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
                             u64 *cookie, gfp_t gfp)
{
        unsigned long spin_flags;
        struct sk_buff *ack_skb;
        int id;

        ack_skb = skb_copy(skb, gfp);
        if (!ack_skb)
                return -ENOMEM;

        spin_lock_irqsave(&local->ack_status_lock, spin_flags);
        id = idr_alloc(&local->ack_status_frames, ack_skb,
                       1, 0x2000, GFP_ATOMIC);
        spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);

        if (id < 0) {
                kfree_skb(ack_skb);
                return -ENOMEM;
        }

        IEEE80211_SKB_CB(skb)->status_data_idr = 1;
        IEEE80211_SKB_CB(skb)->status_data = id;

        *cookie = ieee80211_mgmt_tx_cookie(local);
        IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;

        return 0;
}

static void
ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
                                          struct wireless_dev *wdev,
                                          struct mgmt_frame_regs *upd)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
        u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
        bool global_change, intf_change;

        global_change =
                (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
                (local->rx_mcast_action_reg !=
                 !!(upd->global_mcast_stypes & action_mask));
        local->probe_req_reg = upd->global_stypes & preq_mask;
        local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;

        intf_change = (sdata->vif.probe_req_reg !=
                       !!(upd->interface_stypes & preq_mask)) ||
                (sdata->vif.rx_mcast_action_reg !=
                 !!(upd->interface_mcast_stypes & action_mask));
        sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
        sdata->vif.rx_mcast_action_reg =
                upd->interface_mcast_stypes & action_mask;

        if (!local->open_count)
                return;

        if (intf_change && ieee80211_sdata_running(sdata))
                drv_config_iface_filter(local, sdata,
                                        sdata->vif.probe_req_reg ?
                                                FIF_PROBE_REQ : 0,
                                        FIF_PROBE_REQ);

        if (global_change)
                ieee80211_configure_filter(local);
}

static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx,
                                 u32 tx_ant, u32 rx_ant)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        int ret;

        if (local->started)
                return -EOPNOTSUPP;

        ret = drv_set_antenna(local, tx_ant, rx_ant);
        if (ret)
                return ret;

        local->rx_chains = hweight8(rx_ant);
        return 0;
}

static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx,
                                 u32 *tx_ant, u32 *rx_ant)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);

        return drv_get_antenna(local, radio_idx, tx_ant, rx_ant);
}

static int ieee80211_set_rekey_data(struct wiphy *wiphy,
                                    struct net_device *dev,
                                    struct cfg80211_gtk_rekey_data *data)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        if (!local->ops->set_rekey_data)
                return -EOPNOTSUPP;

        drv_set_rekey_data(local, sdata, data);

        return 0;
}

static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
                                  const u8 *peer, u64 *cookie)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_qos_hdr *nullfunc;
        struct sk_buff *skb;
        int size = sizeof(*nullfunc);
        __le16 fc;
        bool qos;
        struct ieee80211_tx_info *info;
        struct sta_info *sta;
        struct ieee80211_chanctx_conf *chanctx_conf;
        struct ieee80211_bss_conf *conf;
        enum nl80211_band band;
        u8 link_id;
        int ret;

        /* the lock is needed to assign the cookie later */
        lockdep_assert_wiphy(local->hw.wiphy);

        rcu_read_lock();
        sta = sta_info_get_bss(sdata, peer);
        if (!sta) {
                ret = -ENOLINK;
                goto unlock;
        }

        qos = sta->sta.wme;

        if (ieee80211_vif_is_mld(&sdata->vif)) {
                if (sta->sta.mlo) {
                        link_id = IEEE80211_LINK_UNSPECIFIED;
                } else {
                        /*
                         * For non-MLO clients connected to an AP MLD, band
                         * information is not used; instead, sta->deflink is
                         * used to send packets.
                         */
                        link_id = sta->deflink.link_id;

                        conf = rcu_dereference(sdata->vif.link_conf[link_id]);

                        if (unlikely(!conf)) {
                                ret = -ENOLINK;
                                goto unlock;
                        }
                }
                /* MLD transmissions must not rely on the band */
                band = 0;
        } else {
                chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
                if (WARN_ON(!chanctx_conf)) {
                        ret = -EINVAL;
                        goto unlock;
                }
                band = chanctx_conf->def.chan->band;
                link_id = 0;
        }

        if (qos) {
                fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
                                 IEEE80211_STYPE_QOS_NULLFUNC |
                                 IEEE80211_FCTL_FROMDS);
        } else {
                size -= 2;
                fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
                                 IEEE80211_STYPE_NULLFUNC |
                                 IEEE80211_FCTL_FROMDS);
        }

        skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
        if (!skb) {
                ret = -ENOMEM;
                goto unlock;
        }

        skb->dev = dev;

        skb_reserve(skb, local->hw.extra_tx_headroom);

        nullfunc = skb_put(skb, size);
        nullfunc->frame_control = fc;
        nullfunc->duration_id = 0;
        memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
        if (ieee80211_vif_is_mld(&sdata->vif) && !sta->sta.mlo) {
                memcpy(nullfunc->addr2, conf->addr, ETH_ALEN);
                memcpy(nullfunc->addr3, conf->addr, ETH_ALEN);
        } else {
                memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
                memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
        }
        nullfunc->seq_ctrl = 0;

        info = IEEE80211_SKB_CB(skb);

        info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
                       IEEE80211_TX_INTFL_NL80211_FRAME_TX;
        info->band = band;

        info->control.flags |= u32_encode_bits(link_id,
                                               IEEE80211_TX_CTRL_MLO_LINK);
        skb_set_queue_mapping(skb, IEEE80211_AC_VO);
        skb->priority = 7;
        if (qos)
                nullfunc->qos_ctrl = cpu_to_le16(7);

        ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
        if (ret) {
                kfree_skb(skb);
                goto unlock;
        }

        local_bh_disable();
        ieee80211_xmit(sdata, sta, skb);
        local_bh_enable();

        ret = 0;
unlock:
        rcu_read_unlock();

        return ret;
}

static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
                                     struct wireless_dev *wdev,
                                     unsigned int link_id,
                                     struct cfg80211_chan_def *chandef)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_chanctx_conf *chanctx_conf;
        struct ieee80211_link_data *link;
        int ret = -ENODATA;

        rcu_read_lock();
        link = rcu_dereference(sdata->link[link_id]);
        if (!link) {
                ret = -ENOLINK;
                goto out;
        }

        chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
        if (chanctx_conf) {
                *chandef = link->conf->chanreq.oper;
                ret = 0;
        } else if (local->open_count > 0 &&
                   local->open_count == local->virt_monitors &&
                   sdata->vif.type == NL80211_IFTYPE_MONITOR) {
                *chandef = local->monitor_chanreq.oper;
                ret = 0;
        }
out:
        rcu_read_unlock();

        return ret;
}

#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
        drv_set_wakeup(wiphy_priv(wiphy), enabled);
}
#endif

static int ieee80211_set_qos_map(struct wiphy *wiphy,
                                 struct net_device *dev,
                                 struct cfg80211_qos_map *qos_map)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct mac80211_qos_map *new_qos_map, *old_qos_map;

        if (qos_map) {
                new_qos_map = kzalloc_obj(*new_qos_map);
                if (!new_qos_map)
                        return -ENOMEM;
                memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
        } else {
                /* A NULL qos_map was passed to disable QoS mapping */
                new_qos_map = NULL;
        }

        old_qos_map = sdata_dereference(sdata->qos_map, sdata);
        rcu_assign_pointer(sdata->qos_map, new_qos_map);
        if (old_qos_map)
                kfree_rcu(old_qos_map, rcu_head);

        return 0;
}

static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
                                      struct net_device *dev,
                                      unsigned int link_id,
                                      struct cfg80211_chan_def *chandef)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_link_data *link;
        struct ieee80211_chan_req chanreq = {
                .oper = *chandef,
                .require_npca = true,
        };
        int ret;
        u64 changed = 0;

        link = sdata_dereference(sdata->link[link_id], sdata);

        ret = ieee80211_link_change_chanreq(link, &chanreq, &changed);
        if (ret == 0)
                ieee80211_link_info_change_notify(sdata, link, changed);

        return ret;
}

static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
                               u8 tsid, const u8 *peer, u8 up,
                               u16 admitted_time)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
        int ac = ieee802_1d_to_ac[up];

        if (sdata->vif.type != NL80211_IFTYPE_STATION)
                return -EOPNOTSUPP;

        if (!(sdata->wmm_acm & BIT(up)))
                return -EINVAL;

        if (ifmgd->tx_tspec[ac].admitted_time)
                return -EBUSY;

        if (admitted_time) {
                ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
                ifmgd->tx_tspec[ac].tsid = tsid;
                ifmgd->tx_tspec[ac].up = up;
        }

        return 0;
}

static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
                               u8 tsid, const u8 *peer)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
        struct ieee80211_local *local = wiphy_priv(wiphy);
        int ac;

        for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
                struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];

                /* skip unused entries */
                if (!tx_tspec->admitted_time)
                        continue;

                if (tx_tspec->tsid != tsid)
                        continue;

                /* due to this new packets will be reassigned to non-ACM ACs */
                tx_tspec->up = -1;

                /* Make sure that all packets have been sent to avoid to
                 * restore the QoS params on packets that are still on the
                 * queues.
                 */
                synchronize_net();
                ieee80211_flush_queues(local, sdata, false);

                /* restore the normal QoS parameters
                 * (unconditionally to avoid races)
                 */
                tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
                tx_tspec->downgraded = false;
                ieee80211_sta_handle_tspec_ac_params(sdata);

                /* finally clear all the data */
                memset(tx_tspec, 0, sizeof(*tx_tspec));

                return 0;
        }

        return -ENOENT;
}

void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
                                   u8 inst_id,
                                   enum nl80211_nan_func_term_reason reason,
                                   gfp_t gfp)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct cfg80211_nan_func *func;
        u64 cookie;

        if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
                return;

        if (WARN_ON(sdata->local->hw.wiphy->nan_capa.flags &
                    WIPHY_NAN_FLAGS_USERSPACE_DE))
                return;

        spin_lock_bh(&sdata->u.nan.de.func_lock);

        func = idr_find(&sdata->u.nan.de.function_inst_ids, inst_id);
        if (WARN_ON(!func)) {
                spin_unlock_bh(&sdata->u.nan.de.func_lock);
                return;
        }

        cookie = func->cookie;
        idr_remove(&sdata->u.nan.de.function_inst_ids, inst_id);

        spin_unlock_bh(&sdata->u.nan.de.func_lock);

        cfg80211_free_nan_func(func);

        cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
                                     reason, cookie, gfp);
}
EXPORT_SYMBOL(ieee80211_nan_func_terminated);

void ieee80211_nan_func_match(struct ieee80211_vif *vif,
                              struct cfg80211_nan_match_params *match,
                              gfp_t gfp)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct cfg80211_nan_func *func;

        if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
                return;

        if (WARN_ON(sdata->local->hw.wiphy->nan_capa.flags &
                    WIPHY_NAN_FLAGS_USERSPACE_DE))
                return;

        spin_lock_bh(&sdata->u.nan.de.func_lock);

        func = idr_find(&sdata->u.nan.de.function_inst_ids,  match->inst_id);
        if (WARN_ON(!func)) {
                spin_unlock_bh(&sdata->u.nan.de.func_lock);
                return;
        }
        match->cookie = func->cookie;

        spin_unlock_bh(&sdata->u.nan.de.func_lock);

        cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
}
EXPORT_SYMBOL(ieee80211_nan_func_match);

void ieee80211_nan_cluster_joined(struct ieee80211_vif *vif,
                                  const u8 *cluster_id, bool new_cluster,
                                  gfp_t gfp)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);

        if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
                return;

        if (WARN_ON(!sdata->u.nan.started))
                return;

        ether_addr_copy(sdata->u.nan.conf.cluster_id, cluster_id);

        cfg80211_nan_cluster_joined(ieee80211_vif_to_wdev(vif), cluster_id,
                                    new_cluster, gfp);
}
EXPORT_SYMBOL(ieee80211_nan_cluster_joined);

static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
                                              struct net_device *dev,
                                              const bool enabled)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        sdata->u.ap.multicast_to_unicast = enabled;

        return 0;
}

void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
                              struct txq_info *txqi)
{
        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
                txqstats->backlog_bytes = txqi->tin.backlog_bytes;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
                txqstats->backlog_packets = txqi->tin.backlog_packets;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
                txqstats->flows = txqi->tin.flows;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
                txqstats->drops = txqi->cstats.drop_count;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
                txqstats->ecn_marks = txqi->cstats.ecn_mark;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
                txqstats->overlimit = txqi->tin.overlimit;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
                txqstats->collisions = txqi->tin.collisions;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
                txqstats->tx_bytes = txqi->tin.tx_bytes;
        }

        if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
                txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
                txqstats->tx_packets = txqi->tin.tx_packets;
        }
}

static int ieee80211_get_txq_stats(struct wiphy *wiphy,
                                   struct wireless_dev *wdev,
                                   struct cfg80211_txq_stats *txqstats)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata;
        int ret = 0;

        spin_lock_bh(&local->fq.lock);

        if (wdev) {
                sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
                if (!sdata->vif.txq) {
                        ret = 1;
                        goto out;
                }
                ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
        } else {
                /* phy stats */
                txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
                                    BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
                                    BIT(NL80211_TXQ_STATS_OVERLIMIT) |
                                    BIT(NL80211_TXQ_STATS_OVERMEMORY) |
                                    BIT(NL80211_TXQ_STATS_COLLISIONS) |
                                    BIT(NL80211_TXQ_STATS_MAX_FLOWS);
                txqstats->backlog_packets = local->fq.backlog;
                txqstats->backlog_bytes = local->fq.memory_usage;
                txqstats->overlimit = local->fq.overlimit;
                txqstats->overmemory = local->fq.overmemory;
                txqstats->collisions = local->fq.collisions;
                txqstats->max_flows = local->fq.flows_cnt;
        }

out:
        spin_unlock_bh(&local->fq.lock);

        return ret;
}

static int
ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
                                  struct net_device *dev,
                                  struct cfg80211_ftm_responder_stats *ftm_stats)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
}

static int
ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
                     struct cfg80211_pmsr_request *request)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);

        return drv_start_pmsr(local, sdata, request);
}

static void
ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
                     struct cfg80211_pmsr_request *request)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);

        return drv_abort_pmsr(local, sdata, request);
}

static int ieee80211_set_tid_config(struct wiphy *wiphy,
                                    struct net_device *dev,
                                    struct cfg80211_tid_config *tid_conf)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct sta_info *sta;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        if (!sdata->local->ops->set_tid_config)
                return -EOPNOTSUPP;

        if (!tid_conf->peer)
                return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);

        sta = sta_info_get_bss(sdata, tid_conf->peer);
        if (!sta)
                return -ENOENT;

        return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
}

static int ieee80211_reset_tid_config(struct wiphy *wiphy,
                                      struct net_device *dev,
                                      const u8 *peer, u8 tids)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct sta_info *sta;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        if (!sdata->local->ops->reset_tid_config)
                return -EOPNOTSUPP;

        if (!peer)
                return drv_reset_tid_config(sdata->local, sdata, NULL, tids);

        sta = sta_info_get_bss(sdata, peer);
        if (!sta)
                return -ENOENT;

        return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
}

static int ieee80211_set_sar_specs(struct wiphy *wiphy,
                                   struct cfg80211_sar_specs *sar)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);

        if (!local->ops->set_sar_specs)
                return -EOPNOTSUPP;

        return local->ops->set_sar_specs(&local->hw, sar);
}

static int
ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link,
                                        u64 *changed)
{
        struct ieee80211_sub_if_data *sdata = link->sdata;

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_AP: {
                int ret;

                if (!link->u.ap.next_beacon)
                        return -EINVAL;

                ret = ieee80211_assign_beacon(sdata, link,
                                              link->u.ap.next_beacon,
                                              NULL, NULL, changed);
                ieee80211_free_next_beacon(link);

                if (ret < 0)
                        return ret;

                break;
        }
        default:
                WARN_ON_ONCE(1);
                return -EINVAL;
        }

        return 0;
}

static int
ieee80211_set_color_change_beacon(struct ieee80211_link_data *link,
                                  struct cfg80211_color_change_settings *params,
                                  u64 *changed)
{
        struct ieee80211_sub_if_data *sdata = link->sdata;
        struct ieee80211_color_change_settings color_change = {};
        int err;

        switch (sdata->vif.type) {
        case NL80211_IFTYPE_AP:
                link->u.ap.next_beacon =
                        cfg80211_beacon_dup(&params->beacon_next);
                if (!link->u.ap.next_beacon)
                        return -ENOMEM;

                if (params->count <= 1)
                        break;

                color_change.counter_offset_beacon =
                        params->counter_offset_beacon;
                color_change.counter_offset_presp =
                        params->counter_offset_presp;
                color_change.count = params->count;

                err = ieee80211_assign_beacon(sdata, link,
                                              &params->beacon_color_change,
                                              NULL, &color_change, changed);
                if (err < 0) {
                        ieee80211_free_next_beacon(link);
                        return err;
                }
                break;
        default:
                return -EOPNOTSUPP;
        }

        return 0;
}

static void
ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link,
                                         u8 color, int enable, u64 changed)
{
        struct ieee80211_sub_if_data *sdata = link->sdata;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        link->conf->he_bss_color.color = color;
        link->conf->he_bss_color.enabled = enable;
        changed |= BSS_CHANGED_HE_BSS_COLOR;

        ieee80211_link_info_change_notify(sdata, link, changed);

        if (!link->conf->nontransmitted &&
            rcu_access_pointer(link->conf->tx_bss_conf)) {
                struct ieee80211_link_data *tmp;

                for_each_sdata_link(sdata->local, tmp) {
                        if (tmp->sdata == sdata ||
                            rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf)
                                continue;

                        tmp->conf->he_bss_color.color = color;
                        tmp->conf->he_bss_color.enabled = enable;
                        ieee80211_link_info_change_notify(tmp->sdata, tmp,
                                                          BSS_CHANGED_HE_BSS_COLOR);
                }
        }
}

static int ieee80211_color_change_finalize(struct ieee80211_link_data *link)
{
        struct ieee80211_sub_if_data *sdata = link->sdata;
        struct ieee80211_local *local = sdata->local;
        u64 changed = 0;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        link->conf->color_change_active = false;

        err = ieee80211_set_after_color_change_beacon(link, &changed);
        if (err) {
                cfg80211_color_change_aborted_notify(sdata->dev, link->link_id);
                return err;
        }

        ieee80211_color_change_bss_config_notify(link,
                                                 link->conf->color_change_color,
                                                 1, changed);
        cfg80211_color_change_notify(sdata->dev, link->link_id);

        return 0;
}

void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
                                          struct wiphy_work *work)
{
        struct ieee80211_link_data *link =
                container_of(work, struct ieee80211_link_data,
                             color_change_finalize_work);
        struct ieee80211_sub_if_data *sdata = link->sdata;
        struct ieee80211_bss_conf *link_conf = link->conf;
        struct ieee80211_local *local = sdata->local;

        lockdep_assert_wiphy(local->hw.wiphy);

        /* AP might have been stopped while waiting for the lock. */
        if (!link_conf->color_change_active)
                return;

        if (!ieee80211_sdata_running(sdata))
                return;

        ieee80211_color_change_finalize(link);
}

void ieee80211_color_collision_detection_work(struct wiphy *wiphy,
                                              struct wiphy_work *work)
{
        struct ieee80211_link_data *link =
                container_of(work, struct ieee80211_link_data,
                             color_collision_detect_work.work);
        struct ieee80211_sub_if_data *sdata = link->sdata;

        cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap,
                                             link->link_id);
}

void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct ieee80211_link_data *link;

        if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
                return;

        rcu_read_lock();

        link = rcu_dereference(sdata->link[link_id]);
        if (WARN_ON(!link)) {
                rcu_read_unlock();
                return;
        }

        wiphy_work_queue(sdata->local->hw.wiphy,
                         &link->color_change_finalize_work);

        rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);

void
ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
                                      u64 color_bitmap, u8 link_id)
{
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct ieee80211_link_data *link;

        if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
                return;

        rcu_read_lock();

        link = rcu_dereference(sdata->link[link_id]);
        if (WARN_ON(!link)) {
                rcu_read_unlock();
                return;
        }

        if (link->conf->color_change_active || link->conf->csa_active) {
                rcu_read_unlock();
                return;
        }

        if (wiphy_delayed_work_pending(sdata->local->hw.wiphy,
                                       &link->color_collision_detect_work)) {
                rcu_read_unlock();
                return;
        }

        link->color_bitmap = color_bitmap;
        /* queue the color collision detection event every 500 ms in order to
         * avoid sending too much netlink messages to userspace.
         */
        wiphy_delayed_work_queue(sdata->local->hw.wiphy,
                                 &link->color_collision_detect_work,
                                 msecs_to_jiffies(500));

        rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify);

static int
ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
                       struct cfg80211_color_change_settings *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_bss_conf *link_conf;
        struct ieee80211_link_data *link;
        u8 link_id = params->link_id;
        u64 changed = 0;
        int err;

        lockdep_assert_wiphy(local->hw.wiphy);

        if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
                return -EINVAL;

        link = wiphy_dereference(wiphy, sdata->link[link_id]);
        if (!link)
                return -ENOLINK;

        link_conf = link->conf;

        if (link_conf->nontransmitted)
                return -EINVAL;

        /* don't allow another color change if one is already active or if csa
         * is active
         */
        if (link_conf->color_change_active || link_conf->csa_active) {
                err = -EBUSY;
                goto out;
        }

        err = ieee80211_set_unsol_bcast_probe_resp(sdata,
                                                   &params->unsol_bcast_probe_resp,
                                                   link, link_conf, &changed);
        if (err)
                goto out;

        err = ieee80211_set_color_change_beacon(link, params, &changed);
        if (err)
                goto out;

        link_conf->color_change_active = true;
        link_conf->color_change_color = params->color;

        cfg80211_color_change_started_notify(sdata->dev, params->count, link_id);

        if (changed)
                ieee80211_color_change_bss_config_notify(link, 0, 0, changed);
        else
                /* if the beacon didn't change, we can finalize immediately */
                ieee80211_color_change_finalize(link);

out:

        return err;
}

static int
ieee80211_set_radar_background(struct wiphy *wiphy,
                               struct cfg80211_chan_def *chandef)
{
        struct ieee80211_local *local = wiphy_priv(wiphy);

        if (!local->ops->set_radar_background)
                return -EOPNOTSUPP;

        return local->ops->set_radar_background(&local->hw, chandef);
}

static int ieee80211_add_intf_link(struct wiphy *wiphy,
                                   struct wireless_dev *wdev,
                                   unsigned int link_id)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        return ieee80211_vif_set_links(sdata, wdev->valid_links, 0);
}

static void ieee80211_del_intf_link(struct wiphy *wiphy,
                                    struct wireless_dev *wdev,
                                    unsigned int link_id)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
        u16 new_links = wdev->valid_links & ~BIT(link_id);

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        /* During the link teardown process, certain functions require the
         * link_id to remain in the valid_links bitmap. Therefore, instead
         * of removing the link_id from the bitmap, pass a masked value to
         * simulate as if link_id does not exist anymore.
         */
        ieee80211_vif_set_links(sdata, new_links, 0);
}

static int
ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
                           struct link_station_parameters *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct sta_info *sta;
        int ret;

        lockdep_assert_wiphy(local->hw.wiphy);

        sta = sta_info_get_bss(sdata, params->mld_mac);
        if (!sta)
                return -ENOENT;

        if (!sta->sta.valid_links)
                return -EINVAL;

        if (sta->sta.valid_links & BIT(params->link_id))
                return -EALREADY;

        ret = ieee80211_sta_allocate_link(sta, params->link_id);
        if (ret)
                return ret;

        ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params);
        if (ret) {
                ieee80211_sta_free_link(sta, params->link_id);
                return ret;
        }

        if (test_sta_flag(sta, WLAN_STA_ASSOC)) {
                struct link_sta_info *link_sta;

                link_sta = sdata_dereference(sta->link[params->link_id], sdata);
                rate_control_rate_init(link_sta);
        }

        /* ieee80211_sta_activate_link frees the link upon failure */
        return ieee80211_sta_activate_link(sta, params->link_id);
}

static int
ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
                           struct link_station_parameters *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = wiphy_priv(wiphy);
        struct sta_info *sta;

        lockdep_assert_wiphy(local->hw.wiphy);

        sta = sta_info_get_bss(sdata, params->mld_mac);
        if (!sta)
                return -ENOENT;

        if (!(sta->sta.valid_links & BIT(params->link_id)))
                return -EINVAL;

        return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY,
                                         params);
}

static int
ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
                           struct link_station_del_parameters *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct sta_info *sta;

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        sta = sta_info_get_bss(sdata, params->mld_mac);
        if (!sta)
                return -ENOENT;

        if (!(sta->sta.valid_links & BIT(params->link_id)))
                return -EINVAL;

        /* must not create a STA without links */
        if (sta->sta.valid_links == BIT(params->link_id))
                return -EINVAL;

        ieee80211_sta_remove_link(sta, params->link_id);

        return 0;
}

static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
                                      struct net_device *dev,
                                      struct cfg80211_set_hw_timestamp *hwts)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        struct ieee80211_local *local = sdata->local;

        if (!local->ops->set_hw_timestamp)
                return -EOPNOTSUPP;

        if (!check_sdata_in_driver(sdata))
                return -EIO;

        return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
}

static int
ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev,
                   struct cfg80211_ttlm_params *params)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        return ieee80211_req_neg_ttlm(sdata, params);
}

static int
ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev,
                          struct cfg80211_ml_reconf_req *req)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        return ieee80211_mgd_assoc_ml_reconf(sdata, req);
}

static int
ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

        return ieee80211_mgd_set_epcs(sdata, enable);
}

static int
ieee80211_set_local_nan_sched(struct wiphy *wiphy,
                              struct wireless_dev *wdev,
                              struct cfg80211_nan_local_sched *sched)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        lockdep_assert_wiphy(wiphy);

        return ieee80211_nan_set_local_sched(sdata, sched);
}

static int
ieee80211_set_peer_nan_sched(struct wiphy *wiphy,
                             struct wireless_dev *wdev,
                             struct cfg80211_nan_peer_sched *sched)
{
        struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

        lockdep_assert_wiphy(sdata->local->hw.wiphy);

        return ieee80211_nan_set_peer_sched(sdata, sched);
}

const struct cfg80211_ops mac80211_config_ops = {
        .add_virtual_intf = ieee80211_add_iface,
        .del_virtual_intf = ieee80211_del_iface,
        .change_virtual_intf = ieee80211_change_iface,
        .start_p2p_device = ieee80211_start_p2p_device,
        .stop_p2p_device = ieee80211_stop_p2p_device,
        .add_key = ieee80211_add_key,
        .del_key = ieee80211_del_key,
        .get_key = ieee80211_get_key,
        .set_default_key = ieee80211_config_default_key,
        .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
        .set_default_beacon_key = ieee80211_config_default_beacon_key,
        .start_ap = ieee80211_start_ap,
        .change_beacon = ieee80211_change_beacon,
        .stop_ap = ieee80211_stop_ap,
        .add_station = ieee80211_add_station,
        .del_station = ieee80211_del_station,
        .change_station = ieee80211_change_station,
        .get_station = ieee80211_get_station,
        .dump_station = ieee80211_dump_station,
        .dump_survey = ieee80211_dump_survey,
#ifdef CONFIG_MAC80211_MESH
        .add_mpath = ieee80211_add_mpath,
        .del_mpath = ieee80211_del_mpath,
        .change_mpath = ieee80211_change_mpath,
        .get_mpath = ieee80211_get_mpath,
        .dump_mpath = ieee80211_dump_mpath,
        .get_mpp = ieee80211_get_mpp,
        .dump_mpp = ieee80211_dump_mpp,
        .update_mesh_config = ieee80211_update_mesh_config,
        .get_mesh_config = ieee80211_get_mesh_config,
        .join_mesh = ieee80211_join_mesh,
        .leave_mesh = ieee80211_leave_mesh,
#endif
        .join_ocb = ieee80211_join_ocb,
        .leave_ocb = ieee80211_leave_ocb,
        .change_bss = ieee80211_change_bss,
        .inform_bss = ieee80211_inform_bss,
        .set_txq_params = ieee80211_set_txq_params,
        .set_monitor_channel = ieee80211_set_monitor_channel,
        .suspend = ieee80211_suspend,
        .resume = ieee80211_resume,
        .scan = ieee80211_scan,
        .abort_scan = ieee80211_abort_scan,
        .sched_scan_start = ieee80211_sched_scan_start,
        .sched_scan_stop = ieee80211_sched_scan_stop,
        .auth = ieee80211_auth,
        .assoc = ieee80211_assoc,
        .deauth = ieee80211_deauth,
        .disassoc = ieee80211_disassoc,
        .join_ibss = ieee80211_join_ibss,
        .leave_ibss = ieee80211_leave_ibss,
        .set_mcast_rate = ieee80211_set_mcast_rate,
        .set_wiphy_params = ieee80211_set_wiphy_params,
        .set_tx_power = ieee80211_set_tx_power,
        .get_tx_power = ieee80211_get_tx_power,
        .rfkill_poll = ieee80211_rfkill_poll,
        CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
        CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
        .set_power_mgmt = ieee80211_set_power_mgmt,
        .set_bitrate_mask = ieee80211_set_bitrate_mask,
        .remain_on_channel = ieee80211_remain_on_channel,
        .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
        .mgmt_tx = ieee80211_mgmt_tx,
        .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
        .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
        .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
        .update_mgmt_frame_registrations =
                ieee80211_update_mgmt_frame_registrations,
        .set_antenna = ieee80211_set_antenna,
        .get_antenna = ieee80211_get_antenna,
        .set_rekey_data = ieee80211_set_rekey_data,
        .tdls_oper = ieee80211_tdls_oper,
        .tdls_mgmt = ieee80211_tdls_mgmt,
        .tdls_channel_switch = ieee80211_tdls_channel_switch,
        .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
        .probe_client = ieee80211_probe_client,
        .set_noack_map = ieee80211_set_noack_map,
#ifdef CONFIG_PM
        .set_wakeup = ieee80211_set_wakeup,
#endif
        .get_channel = ieee80211_cfg_get_channel,
        .start_radar_detection = ieee80211_start_radar_detection,
        .end_cac = ieee80211_end_cac,
        .channel_switch = ieee80211_channel_switch,
        .set_qos_map = ieee80211_set_qos_map,
        .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
        .add_tx_ts = ieee80211_add_tx_ts,
        .del_tx_ts = ieee80211_del_tx_ts,
        .start_nan = ieee80211_start_nan,
        .stop_nan = ieee80211_stop_nan,
        .nan_change_conf = ieee80211_nan_change_conf,
        .add_nan_func = ieee80211_add_nan_func,
        .del_nan_func = ieee80211_del_nan_func,
        .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
        .tx_control_port = ieee80211_tx_control_port,
        .get_txq_stats = ieee80211_get_txq_stats,
        .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
        .start_pmsr = ieee80211_start_pmsr,
        .abort_pmsr = ieee80211_abort_pmsr,
        .probe_mesh_link = ieee80211_probe_mesh_link,
        .set_tid_config = ieee80211_set_tid_config,
        .reset_tid_config = ieee80211_reset_tid_config,
        .set_sar_specs = ieee80211_set_sar_specs,
        .color_change = ieee80211_color_change,
        .set_radar_background = ieee80211_set_radar_background,
        .add_intf_link = ieee80211_add_intf_link,
        .del_intf_link = ieee80211_del_intf_link,
        .add_link_station = ieee80211_add_link_station,
        .mod_link_station = ieee80211_mod_link_station,
        .del_link_station = ieee80211_del_link_station,
        .set_hw_timestamp = ieee80211_set_hw_timestamp,
        .set_ttlm = ieee80211_set_ttlm,
        .get_radio_mask = ieee80211_get_radio_mask,
        .assoc_ml_reconf = ieee80211_assoc_ml_reconf,
        .set_epcs = ieee80211_set_epcs,
        .nan_set_local_sched = ieee80211_set_local_nan_sched,
        .nan_set_peer_sched = ieee80211_set_peer_nan_sched,
};