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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /net/mac80211/cfg.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c4989
1 files changed, 4989 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
new file mode 100644
index 000000000..a2c486608
--- /dev/null
+++ b/net/mac80211/cfg.c
@@ -0,0 +1,4989 @@
+// 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) 2018-2022 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 && sdata->vif.valid_links)
+ 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);
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ BSS_CHANGED_MU_GROUPS);
+ /* don't care about endianness - just check for 0 */
+ memcpy(&membership, params->vht_mumimo_groups,
+ WLAN_MEMBERSHIP_LEN);
+ mu_mimo_groups = membership != 0;
+ }
+
+ 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);
+ }
+
+ sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
+}
+
+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;
+
+ /* check flags first */
+ if (params->flags && ieee80211_sdata_running(sdata)) {
+ u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
+
+ /*
+ * Prohibit MONITOR_FLAG_COOK_FRAMES and
+ * MONITOR_FLAG_ACTIVE to be changed while the
+ * interface is up.
+ * Else we would need to add a lot of cruft
+ * to update everything:
+ * cooked_mntrs, monitor and all fif_* counters
+ * reconfigure hardware
+ */
+ if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
+ return -EBUSY;
+ }
+
+ /* also validate MU-MIMO change */
+ monitor_sdata = wiphy_dereference(local->hw.wiphy,
+ local->monitor_sdata);
+
+ if (!monitor_sdata &&
+ (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
+ return -EOPNOTSUPP;
+
+ /* apply all changes now - no failures allowed */
+
+ 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;
+
+ sdata->vif.mbssid_tx_vif = NULL;
+ 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;
+
+ tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params.tx_wdev);
+ if (!tx_sdata)
+ return -EINVAL;
+
+ if (tx_sdata == sdata) {
+ sdata->vif.mbssid_tx_vif = &sdata->vif;
+ } else {
+ sdata->vif.mbssid_tx_vif = &tx_sdata->vif;
+ link_conf->nontransmitted = true;
+ link_conf->bssid_index = params.index;
+ }
+ 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;
+ }
+ }
+
+ 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;
+
+ 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;
+
+ /* FIXME: no support for 4-addr MLO yet */
+ if (sdata->vif.valid_links)
+ return -EOPNOTSUPP;
+
+ sdata->u.mgd.use_4addr = params->use_4addr;
+ if (!ifmgd->associated)
+ return 0;
+
+ mutex_lock(&local->sta_mtx);
+ sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid);
+ if (sta)
+ drv_sta_set_4addr(local, sdata, &sta->sta,
+ params->use_4addr);
+ mutex_unlock(&local->sta_mtx);
+
+ 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;
+
+ mutex_lock(&sdata->local->chanctx_mtx);
+ ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
+ mutex_unlock(&sdata->local->chanctx_mtx);
+ 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 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;
+
+ mutex_lock(&sdata->local->chanctx_mtx);
+ ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
+ mutex_unlock(&sdata->local->chanctx_mtx);
+ 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);
+
+ sdata->u.nan.conf = *conf;
+
+ return ret;
+}
+
+static void ieee80211_stop_nan(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+ drv_stop_nan(sdata->local, sdata);
+ ieee80211_sdata_stop(sdata);
+}
+
+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;
+
+ new_conf = sdata->u.nan.conf;
+
+ if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
+ new_conf.master_pref = conf->master_pref;
+
+ if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
+ new_conf.bands = conf->bands;
+
+ ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
+ if (!ret)
+ 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;
+
+ spin_lock_bh(&sdata->u.nan.func_lock);
+
+ ret = idr_alloc(&sdata->u.nan.function_inst_ids,
+ nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
+ GFP_ATOMIC);
+ spin_unlock_bh(&sdata->u.nan.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.func_lock);
+ idr_remove(&sdata->u.nan.function_inst_ids,
+ nan_func->instance_id);
+ spin_unlock_bh(&sdata->u.nan.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.func_lock);
+
+ idr_for_each_entry(&sdata->u.nan.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;
+
+ spin_lock_bh(&sdata->u.nan.func_lock);
+
+ func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
+ if (func)
+ instance_id = func->instance_id;
+
+ spin_unlock_bh(&sdata->u.nan.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;
+
+ mutex_lock(&local->key_mtx);
+ key = key_mtx_dereference(local, sta->ptk[key_idx]);
+
+ if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
+ ret = ieee80211_set_tx_key(key);
+
+ mutex_unlock(&local->key_mtx);
+ return ret;
+}
+
+static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
+ int link_id, u8 key_idx, bool pairwise,
+ const u8 *mac_addr, struct key_params *params)
+{
+ 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);
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta = NULL;
+ struct ieee80211_key *key;
+ int err;
+
+ if (!ieee80211_sdata_running(sdata))
+ return -ENETDOWN;
+
+ if (IS_ERR(link))
+ return PTR_ERR(link);
+
+ 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);
+
+ key->conf.link_id = link_id;
+
+ if (pairwise)
+ key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
+
+ if (params->mode == NL80211_KEY_NO_TX)
+ key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
+
+ mutex_lock(&local->sta_mtx);
+
+ 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.
+ *
+ * TODO: accept the key if we have a station entry and
+ * add it to the device after the station.
+ */
+ if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
+ ieee80211_key_free_unused(key);
+ err = -ENOENT;
+ goto out_unlock;
+ }
+ }
+
+ 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:
+ /* 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_NAN:
+ 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;
+
+ out_unlock:
+ mutex_unlock(&local->sta_mtx);
+
+ 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 = rcu_dereference_check(sdata->link[link_id],
+ lockdep_is_held(&sdata->wdev.mtx));
+ 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->sta_mtx));
+ if (!link_sta)
+ return NULL;
+ } else {
+ link_sta = &sta->deflink;
+ }
+
+ if (pairwise && key_idx < NUM_DEFAULT_KEYS)
+ return rcu_dereference_check_key_mtx(local,
+ sta->ptk[key_idx]);
+
+ if (!pairwise &&
+ key_idx < NUM_DEFAULT_KEYS +
+ NUM_DEFAULT_MGMT_KEYS +
+ NUM_DEFAULT_BEACON_KEYS)
+ return rcu_dereference_check_key_mtx(local,
+ link_sta->gtk[key_idx]);
+
+ return NULL;
+ }
+
+ if (pairwise && key_idx < NUM_DEFAULT_KEYS)
+ return rcu_dereference_check_key_mtx(local,
+ sdata->keys[key_idx]);
+
+ key = rcu_dereference_check_key_mtx(local, link->gtk[key_idx]);
+ if (key)
+ return key;
+
+ /* or maybe it was a WEP key */
+ if (key_idx < NUM_DEFAULT_KEYS)
+ return rcu_dereference_check_key_mtx(local, sdata->keys[key_idx]);
+
+ return NULL;
+}
+
+static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
+ int link_id, u8 key_idx, bool pairwise,
+ const u8 *mac_addr)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_key *key;
+ int ret;
+
+ mutex_lock(&local->sta_mtx);
+ mutex_lock(&local->key_mtx);
+
+ key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
+ if (!key) {
+ ret = -ENOENT;
+ goto out_unlock;
+ }
+
+ ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
+
+ ret = 0;
+ out_unlock:
+ mutex_unlock(&local->key_mtx);
+ mutex_unlock(&local->sta_mtx);
+
+ return ret;
+}
+
+static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
+ 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_DEV_TO_SUB_IF(dev);
+
+ 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;
+ }
+
+ params.key = key->conf.key;
+ params.key_len = key->conf.keylen;
+
+ 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 net_device *dev,
+ int link_id, u8 key_idx)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ 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 net_device *dev,
+ int link_id, u8 key_idx)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ 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;
+ int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
+ u16 brate;
+
+ sband = ieee80211_get_sband(sta->sdata);
+ WARN_ON_ONCE(sband && !sband->bitrates);
+ if (sband && sband->bitrates) {
+ brate = sband->bitrates[rate->idx].bitrate;
+ rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
+ }
+ }
+ 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 net_device *dev,
+ int idx, u8 *mac, struct station_info *sinfo)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+ int ret = -ENOENT;
+
+ mutex_lock(&local->sta_mtx);
+
+ 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);
+ }
+
+ mutex_unlock(&local->sta_mtx);
+
+ 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 net_device *dev,
+ const u8 *mac, struct station_info *sinfo)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+ int ret = -ENOENT;
+
+ mutex_lock(&local->sta_mtx);
+
+ sta = sta_info_get_bss(sdata, mac);
+ if (sta) {
+ ret = 0;
+ sta_set_sinfo(sta, sinfo, true);
+ }
+
+ mutex_unlock(&local->sta_mtx);
+
+ return ret;
+}
+
+static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
+ struct cfg80211_chan_def *chandef)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata;
+ int ret = 0;
+
+ if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
+ return 0;
+
+ mutex_lock(&local->mtx);
+ if (local->use_chanctx) {
+ sdata = wiphy_dereference(local->hw.wiphy,
+ local->monitor_sdata);
+ if (sdata) {
+ ieee80211_link_release_channel(&sdata->deflink);
+ ret = ieee80211_link_use_channel(&sdata->deflink,
+ chandef,
+ IEEE80211_CHANCTX_EXCLUSIVE);
+ }
+ } else if (local->open_count == local->monitors) {
+ local->_oper_chandef = *chandef;
+ ieee80211_hw_config(local, 0);
+ }
+
+ if (ret == 0)
+ local->monitor_chandef = *chandef;
+ mutex_unlock(&local->mtx);
+
+ return ret;
+}
+
+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)
+{
+ struct fils_discovery_data *new, *old = NULL;
+ struct ieee80211_fils_discovery *fd;
+
+ if (!params->tmpl || !params->tmpl_len)
+ return -EINVAL;
+
+ 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);
+ 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);
+
+ if (old)
+ kfree_rcu(old, rcu_head);
+
+ 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)
+{
+ struct unsol_bcast_probe_resp_data *new, *old = NULL;
+
+ if (!params->tmpl || !params->tmpl_len)
+ return -EINVAL;
+
+ old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);
+ 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);
+
+ if (old)
+ kfree_rcu(old, rcu_head);
+
+ link_conf->unsol_bcast_probe_resp_interval = params->interval;
+
+ 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;
+
+ 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;
+ }
+ dst->cnt = src->cnt;
+
+ return offset;
+}
+
+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)
+{
+ struct cfg80211_mbssid_elems *mbssid = NULL;
+ struct beacon_data *new, *old;
+ int new_head_len, new_tail_len;
+ int size, err;
+ u32 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;
+
+ /* new or old multiple BSSID elements? */
+ if (params->mbssid_ies) {
+ mbssid = params->mbssid_ies;
+ size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
+ size += ieee80211_get_mbssid_beacon_len(mbssid);
+ } else if (old && old->mbssid_ies) {
+ mbssid = old->mbssid_ies;
+ size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
+ size += ieee80211_get_mbssid_beacon_len(mbssid);
+ }
+
+ 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
+ */
+ 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);
+ ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, mbssid);
+ /* update bssid_indicator */
+ link_conf->bssid_indicator =
+ ilog2(__roundup_pow_of_two(mbssid->cnt + 1));
+ }
+
+ 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);
+
+ return changed;
+}
+
+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;
+ u32 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;
+
+ 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;
+
+ if (params->smps_mode != NL80211_SMPS_OFF)
+ return -ENOTSUPP;
+
+ 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->he_cap && params->he_oper) {
+ link_conf->he_support = true;
+ link_conf->htc_trig_based_pkt_ext =
+ le32_get_bits(params->he_oper->he_oper_params,
+ IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
+ link_conf->frame_time_rts_th =
+ le32_get_bits(params->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 (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;
+ }
+
+ mutex_lock(&local->mtx);
+ err = ieee80211_link_use_channel(link, &params->chandef,
+ IEEE80211_CHANCTX_SHARED);
+ if (!err)
+ ieee80211_link_copy_chanctx_to_vlans(link, false);
+ mutex_unlock(&local->mtx);
+ 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;
+ 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);
+ if (err < 0)
+ goto error;
+ changed |= err;
+
+ if (params->fils_discovery.max_interval) {
+ err = ieee80211_set_fils_discovery(sdata,
+ &params->fils_discovery,
+ link, link_conf);
+ if (err < 0)
+ goto error;
+ changed |= BSS_CHANGED_FILS_DISCOVERY;
+ }
+
+ if (params->unsol_bcast_probe_resp.interval) {
+ err = ieee80211_set_unsol_bcast_probe_resp(sdata,
+ &params->unsol_bcast_probe_resp,
+ link, link_conf);
+ if (err < 0)
+ goto error;
+ changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
+ }
+
+ 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);
+ sdata->u.ap.active = false;
+ goto error;
+ }
+
+ ieee80211_recalc_dtim(local, sdata);
+ ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID);
+ ieee80211_link_info_change_notify(sdata, link, changed);
+
+ netif_carrier_on(dev);
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ netif_carrier_on(vlan->dev);
+
+ return 0;
+
+error:
+ mutex_lock(&local->mtx);
+ ieee80211_link_release_channel(link);
+ mutex_unlock(&local->mtx);
+
+ return err;
+}
+
+static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_beacon_data *params)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_link_data *link;
+ struct beacon_data *old;
+ int err;
+ struct ieee80211_bss_conf *link_conf;
+
+ sdata_assert_lock(sdata);
+
+ link = sdata_dereference(sdata->link[params->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, params, NULL, NULL);
+ if (err < 0)
+ return err;
+
+ if (params->he_bss_color_valid &&
+ params->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
+ link_conf->he_bss_color.enabled = params->he_bss_color.enabled;
+ err |= BSS_CHANGED_HE_BSS_COLOR;
+ }
+
+ ieee80211_link_info_change_notify(sdata, link, err);
+ 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);
+ 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 cfg80211_chan_def chandef;
+ struct ieee80211_link_data *link =
+ sdata_dereference(sdata->link[link_id], sdata);
+ struct ieee80211_bss_conf *link_conf = link->conf;
+
+ sdata_assert_lock(sdata);
+
+ 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);
+
+ /* abort any running channel switch or color change */
+ mutex_lock(&local->mtx);
+ link_conf->csa_active = false;
+ link_conf->color_change_active = false;
+ if (link->csa_block_tx) {
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ link->csa_block_tx = false;
+ }
+
+ mutex_unlock(&local->mtx);
+
+ 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);
+ netif_carrier_off(dev);
+
+ /* remove beacon and probe response */
+ sdata->u.ap.active = false;
+ 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);
+ 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);
+
+ kfree(link_conf->ftmr_params);
+ link_conf->ftmr_params = NULL;
+
+ sdata->vif.mbssid_tx_vif = NULL;
+ link_conf->bssid_index = 0;
+ link_conf->nontransmitted = false;
+ link_conf->ema_ap = false;
+ link_conf->bssid_indicator = 0;
+
+ __sta_info_flush(sdata, true);
+ ieee80211_free_keys(sdata, true);
+
+ link_conf->enable_beacon = false;
+ sdata->beacon_rate_set = false;
+ sdata->vif.cfg.ssid_len = 0;
+ clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
+ ieee80211_link_info_change_notify(sdata, link,
+ BSS_CHANGED_BEACON_ENABLED);
+
+ if (sdata->wdev.cac_started) {
+ chandef = link_conf->chandef;
+ cancel_delayed_work_sync(&link->dfs_cac_timer_work);
+ cfg80211_cac_event(sdata->dev, &chandef,
+ NL80211_RADAR_CAC_ABORTED,
+ GFP_KERNEL);
+ }
+
+ 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);
+
+ mutex_lock(&local->mtx);
+ ieee80211_link_copy_chanctx_to_vlans(link, true);
+ ieee80211_link_release_channel(link);
+ mutex_unlock(&local->mtx);
+
+ 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(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;
+ u32 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
+}
+
+static int sta_link_apply_parameters(struct ieee80211_local *local,
+ struct sta_info *sta, bool new_link,
+ struct link_station_parameters *params)
+{
+ int ret = 0;
+ struct ieee80211_supported_band *sband;
+ 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->sta_mtx));
+
+ /*
+ * If there are no changes, then accept a link that exist,
+ * unless it's a new link.
+ */
+ if (params->link_id >= 0 && !new_link &&
+ !params->link_mac && !params->txpwr_set &&
+ !params->supported_rates_len &&
+ !params->ht_capa && !params->vht_capa &&
+ !params->he_capa && !params->eht_capa &&
+ !params->opmode_notif_used)
+ return 0;
+
+ if (!link || !link_sta)
+ return -EINVAL;
+
+ sband = ieee80211_get_link_sband(link);
+ if (!sband)
+ return -EINVAL;
+
+ if (params->link_mac) {
+ if (new_link) {
+ 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;
+ }
+ } else if (new_link) {
+ return -EINVAL;
+ }
+
+ if (params->txpwr_set) {
+ 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 (params->supported_rates &&
+ params->supported_rates_len) {
+ ieee80211_parse_bitrates(link->conf->chandef.width,
+ sband, params->supported_rates,
+ params->supported_rates_len,
+ &link_sta->pub->supp_rates[sband->band]);
+ }
+
+ if (params->ht_capa)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
+ 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,
+ params->vht_capa, NULL,
+ link_sta);
+
+ if (params->he_capa)
+ ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
+ (void *)params->he_capa,
+ params->he_capa_len,
+ (void *)params->he_6ghz_capa,
+ link_sta);
+
+ if (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->opmode_notif_used) {
+ /* 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 ret;
+}
+
+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 (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);
+ }
+
+ /* 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;
+ }
+
+ 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
+ */
+ if (params->aid)
+ 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;
+
+ ret = sta_link_apply_parameters(local, sta, false,
+ &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;
+
+ /* 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 net_device *dev,
+ 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;
+
+ 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_DEV_TO_SUB_IF(dev);
+
+ 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.
+ */
+ mutex_lock(&local->sta_mtx);
+ err = sta_apply_parameters(local, sta, params);
+ mutex_unlock(&local->sta_mtx);
+ 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(sta);
+
+ return sta_info_insert(sta);
+}
+
+static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
+ struct station_del_parameters *params)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (params->mac)
+ return sta_info_destroy_addr_bss(sdata, params->mac);
+
+ sta_info_flush(sdata);
+ return 0;
+}
+
+static int ieee80211_change_station(struct wiphy *wiphy,
+ struct net_device *dev, const u8 *mac,
+ struct 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;
+ struct ieee80211_sub_if_data *vlansdata;
+ enum cfg80211_station_type statype;
+ int err;
+
+ mutex_lock(&local->sta_mtx);
+
+ sta = sta_info_get_bss(sdata, mac);
+ if (!sta) {
+ err = -ENOENT;
+ goto out_err;
+ }
+
+ 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;
+ default:
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ err = cfg80211_check_station_change(wiphy, params, statype);
+ if (err)
+ goto out_err;
+
+ if (params->vlan && params->vlan != sta->sdata->dev) {
+ vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
+
+ if (params->vlan->ieee80211_ptr->use_4addr) {
+ if (vlansdata->u.vlan.sta) {
+ err = -EBUSY;
+ goto out_err;
+ }
+
+ rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
+ __ieee80211_check_fast_rx_iface(vlansdata);
+ drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
+ }
+
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ sta->sdata->u.vlan.sta) {
+ ieee80211_clear_fast_rx(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_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);
+ }
+ }
+
+ /* we use sta_info_get_bss() so this might be different */
+ if (sdata != sta->sdata) {
+ mutex_lock_nested(&sta->sdata->wdev.mtx, 1);
+ err = sta_apply_parameters(local, sta, params);
+ mutex_unlock(&sta->sdata->wdev.mtx);
+ } else {
+ err = sta_apply_parameters(local, sta, params);
+ }
+ if (err)
+ goto out_err;
+
+ mutex_unlock(&local->sta_mtx);
+
+ 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;
+out_err:
+ mutex_unlock(&local->sta_mtx);
+ return err;
+}
+
+#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 -ENOTSUPP;
+ 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_if_mesh *ifmsh = &sdata->u.mesh;
+ int err;
+
+ 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;
+
+ mutex_lock(&sdata->local->mtx);
+ err = ieee80211_link_use_channel(&sdata->deflink, &setup->chandef,
+ IEEE80211_CHANCTX_SHARED);
+ mutex_unlock(&sdata->local->mtx);
+ 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);
+
+ ieee80211_stop_mesh(sdata);
+ mutex_lock(&sdata->local->mtx);
+ ieee80211_link_release_channel(&sdata->deflink);
+ kfree(sdata->u.mesh.ie);
+ mutex_unlock(&sdata->local->mtx);
+
+ 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_supported_band *sband;
+ u32 changed = 0;
+
+ if (!sdata_dereference(sdata->deflink.u.ap.beacon, sdata))
+ return -ENOENT;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ if (params->use_cts_prot >= 0) {
+ sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
+ changed |= BSS_CHANGED_ERP_CTS_PROT;
+ }
+ if (params->use_short_preamble >= 0) {
+ sdata->vif.bss_conf.use_short_preamble =
+ params->use_short_preamble;
+ changed |= BSS_CHANGED_ERP_PREAMBLE;
+ }
+
+ if (!sdata->vif.bss_conf.use_short_slot &&
+ (sband->band == NL80211_BAND_5GHZ ||
+ sband->band == NL80211_BAND_6GHZ)) {
+ sdata->vif.bss_conf.use_short_slot = true;
+ changed |= BSS_CHANGED_ERP_SLOT;
+ }
+
+ if (params->use_short_slot_time >= 0) {
+ sdata->vif.bss_conf.use_short_slot =
+ params->use_short_slot_time;
+ changed |= BSS_CHANGED_ERP_SLOT;
+ }
+
+ if (params->basic_rates) {
+ ieee80211_parse_bitrates(sdata->vif.bss_conf.chandef.width,
+ wiphy->bands[sband->band],
+ params->basic_rates,
+ params->basic_rates_len,
+ &sdata->vif.bss_conf.basic_rates);
+ changed |= BSS_CHANGED_BASIC_RATES;
+ ieee80211_check_rate_mask(&sdata->deflink);
+ }
+
+ 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) {
+ sdata->vif.bss_conf.ht_operation_mode =
+ (u16) params->ht_opmode;
+ changed |= BSS_CHANGED_HT;
+ }
+
+ if (params->p2p_ctwindow >= 0) {
+ sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
+ ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
+ sdata->vif.bss_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) {
+ sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
+ IEEE80211_P2P_OPPPS_ENABLE_BIT;
+ changed |= BSS_CHANGED_P2P_PS;
+ } else if (params->p2p_opp_ps == 0) {
+ sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
+ ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
+ changed |= BSS_CHANGED_P2P_PS;
+ }
+
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink, 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;
+
+ 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)
+ */
+ if (sdata->deflink.u.ap.beacon &&
+ (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
+ !(req->flags & NL80211_SCAN_FLAG_AP)))
+ return -EOPNOTSUPP;
+ break;
+ case NL80211_IFTYPE_NAN:
+ 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);
+
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ BSS_CHANGED_MCAST_RATE);
+
+ return 0;
+}
+
+static int ieee80211_set_wiphy_params(struct wiphy *wiphy, 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, 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, coverage_class);
+
+ if (err)
+ return err;
+ }
+
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
+ err = drv_set_rts_threshold(local, wiphy->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, 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);
+
+ return 0;
+}
+
+static int ieee80211_set_tx_power(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ 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;
+
+ if (wdev) {
+ sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
+ sdata = wiphy_dereference(local->hw.wiphy,
+ local->monitor_sdata);
+ if (!sdata)
+ return -EOPNOTSUPP;
+ }
+
+ switch (type) {
+ case NL80211_TX_POWER_AUTOMATIC:
+ sdata->deflink.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;
+ sdata->deflink.user_power_level = MBM_TO_DBM(mbm);
+ break;
+ }
+
+ 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, update_txp_type);
+
+ return 0;
+ }
+
+ switch (type) {
+ case NL80211_TX_POWER_AUTOMATIC:
+ local->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;
+ local->user_power_level = MBM_TO_DBM(mbm);
+ break;
+ }
+
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
+ has_monitor = true;
+ continue;
+ }
+ 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;
+ }
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
+ continue;
+ ieee80211_recalc_txpower(sdata, update_txp_type);
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ if (has_monitor) {
+ sdata = wiphy_dereference(local->hw.wiphy,
+ local->monitor_sdata);
+ if (sdata) {
+ 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, update_txp_type);
+ }
+ }
+
+ return 0;
+}
+
+static int ieee80211_get_tx_power(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ int *dbm)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+ if (local->ops->get_txpower)
+ return drv_get_txpower(local, sdata, dbm);
+
+ if (!local->use_chanctx)
+ *dbm = local->hw.conf.power_level;
+ else
+ *dbm = sdata->vif.bss_conf.txpower;
+
+ /* 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_held(&sdata->wdev.mtx);
+
+ if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return -EINVAL;
+
+ old_req = link->u.mgd.req_smps;
+ link->u.mgd.req_smps = smps_mode;
+
+ 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->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
+ return 0;
+
+ ap = link->u.mgd.bssid;
+
+ 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);
+ if (err)
+ link->u.mgd.req_smps = old_req;
+ else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
+ ieee80211_teardown_tdls_peers(sdata);
+
+ 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 */
+ sdata_lock(sdata);
+ 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);
+ }
+ sdata_unlock(sdata);
+
+ if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+
+ ieee80211_recalc_ps(local);
+ ieee80211_recalc_ps_vif(sdata);
+ ieee80211_check_fast_rx_iface(sdata);
+
+ return 0;
+}
+
+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;
+ struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+
+ if (rssi_thold == bss_conf->cqm_rssi_thold &&
+ rssi_hyst == bss_conf->cqm_rssi_hyst)
+ return 0;
+
+ if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
+ !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
+ return -EOPNOTSUPP;
+
+ bss_conf->cqm_rssi_thold = rssi_thold;
+ bss_conf->cqm_rssi_hyst = rssi_hyst;
+ bss_conf->cqm_rssi_low = 0;
+ bss_conf->cqm_rssi_high = 0;
+ sdata->deflink.u.mgd.last_cqm_event_signal = 0;
+
+ /* tell the driver upon association, unless already associated */
+ if (sdata->u.mgd.associated &&
+ sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ BSS_CHANGED_CQM);
+
+ 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;
+ struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+
+ if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
+ return -EOPNOTSUPP;
+
+ bss_conf->cqm_rssi_low = rssi_low;
+ bss_conf->cqm_rssi_high = rssi_high;
+ bss_conf->cqm_rssi_thold = 0;
+ bss_conf->cqm_rssi_hyst = 0;
+ sdata->deflink.u.mgd.last_cqm_event_signal = 0;
+
+ /* tell the driver upon association, unless already associated */
+ if (sdata->u.mgd.associated &&
+ sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ BSS_CHANGED_CQM);
+
+ 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.chandef.chan) {
+ u32 basic_rates = sdata->vif.bss_conf.basic_rates;
+ enum nl80211_band band = sdata->vif.bss_conf.chandef.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 int ieee80211_start_radar_detection(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct cfg80211_chan_def *chandef,
+ u32 cac_time_ms)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ int err;
+
+ mutex_lock(&local->mtx);
+ if (!list_empty(&local->roc_list) || local->scanning) {
+ err = -EBUSY;
+ goto out_unlock;
+ }
+
+ /* whatever, but channel contexts should not complain about that one */
+ sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
+ sdata->deflink.needed_rx_chains = local->rx_chains;
+
+ err = ieee80211_link_use_channel(&sdata->deflink, chandef,
+ IEEE80211_CHANCTX_SHARED);
+ if (err)
+ goto out_unlock;
+
+ ieee80211_queue_delayed_work(&sdata->local->hw,
+ &sdata->deflink.dfs_cac_timer_work,
+ msecs_to_jiffies(cac_time_ms));
+
+ out_unlock:
+ mutex_unlock(&local->mtx);
+ return err;
+}
+
+static void ieee80211_end_cac(struct wiphy *wiphy,
+ struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+
+ mutex_lock(&local->mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ /* it might be waiting for the local->mtx, but then
+ * by the time it gets it, sdata->wdev.cac_started
+ * will no longer be true
+ */
+ cancel_delayed_work(&sdata->deflink.dfs_cac_timer_work);
+
+ if (sdata->wdev.cac_started) {
+ ieee80211_link_release_channel(&sdata->deflink);
+ sdata->wdev.cac_started = false;
+ }
+ }
+ mutex_unlock(&local->mtx);
+}
+
+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 +
+ ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies);
+
+ 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(struct_size(new_beacon->mbssid_ies,
+ elem, beacon->mbssid_ies->cnt),
+ GFP_KERNEL);
+ if (!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);
+
+ /* 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)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_local *local = sdata->local;
+
+ rcu_read_lock();
+
+ if (vif->mbssid_tx_vif == vif) {
+ /* Trigger ieee80211_csa_finish() on the non-transmitting
+ * interfaces when channel switch is received on
+ * transmitting interface
+ */
+ struct ieee80211_sub_if_data *iter;
+
+ list_for_each_entry_rcu(iter, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(iter))
+ continue;
+
+ if (iter == sdata || iter->vif.mbssid_tx_vif != vif)
+ continue;
+
+ ieee80211_queue_work(&iter->local->hw,
+ &iter->deflink.csa_finalize_work);
+ }
+ }
+ ieee80211_queue_work(&local->hw, &sdata->deflink.csa_finalize_work);
+
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(ieee80211_csa_finish);
+
+void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_tx)
+{
+ 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->deflink.csa_block_tx = block_tx;
+ sdata_info(sdata, "channel switch failed, disconnecting\n");
+ ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
+}
+EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
+
+static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
+ u32 *changed)
+{
+ int err;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ if (!sdata->deflink.u.ap.next_beacon)
+ return -EINVAL;
+
+ err = ieee80211_assign_beacon(sdata, &sdata->deflink,
+ sdata->deflink.u.ap.next_beacon,
+ NULL, NULL);
+ ieee80211_free_next_beacon(&sdata->deflink);
+
+ if (err < 0)
+ return err;
+ *changed |= err;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ err = ieee80211_ibss_finish_csa(sdata);
+ if (err < 0)
+ return err;
+ *changed |= err;
+ break;
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+ err = ieee80211_mesh_finish_csa(sdata);
+ if (err < 0)
+ return err;
+ *changed |= err;
+ break;
+#endif
+ default:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ u32 changed = 0;
+ int err;
+
+ sdata_assert_lock(sdata);
+ lockdep_assert_held(&local->mtx);
+ lockdep_assert_held(&local->chanctx_mtx);
+
+ /*
+ * 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 (sdata->deflink.reserved_chanctx) {
+ /*
+ * with multi-vif csa driver may call ieee80211_csa_finish()
+ * many times while waiting for other interfaces to use their
+ * reservations
+ */
+ if (sdata->deflink.reserved_ready)
+ return 0;
+
+ return ieee80211_link_use_reserved_context(&sdata->deflink);
+ }
+
+ if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
+ &sdata->deflink.csa_chandef))
+ return -EINVAL;
+
+ sdata->vif.bss_conf.csa_active = false;
+
+ err = ieee80211_set_after_csa_beacon(sdata, &changed);
+ if (err)
+ return err;
+
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed);
+
+ if (sdata->deflink.csa_block_tx) {
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ sdata->deflink.csa_block_tx = false;
+ }
+
+ err = drv_post_channel_switch(sdata);
+ if (err)
+ return err;
+
+ cfg80211_ch_switch_notify(sdata->dev, &sdata->deflink.csa_chandef, 0);
+
+ return 0;
+}
+
+static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
+{
+ if (__ieee80211_csa_finalize(sdata)) {
+ sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
+ cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
+ GFP_KERNEL);
+ }
+}
+
+void ieee80211_csa_finalize_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data,
+ deflink.csa_finalize_work);
+ struct ieee80211_local *local = sdata->local;
+
+ sdata_lock(sdata);
+ mutex_lock(&local->mtx);
+ mutex_lock(&local->chanctx_mtx);
+
+ /* AP might have been stopped while waiting for the lock. */
+ if (!sdata->vif.bss_conf.csa_active)
+ goto unlock;
+
+ if (!ieee80211_sdata_running(sdata))
+ goto unlock;
+
+ ieee80211_csa_finalize(sdata);
+
+unlock:
+ mutex_unlock(&local->chanctx_mtx);
+ mutex_unlock(&local->mtx);
+ sdata_unlock(sdata);
+}
+
+static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_csa_settings *params,
+ u32 *changed)
+{
+ struct ieee80211_csa_settings csa = {};
+ int err;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ sdata->deflink.u.ap.next_beacon =
+ cfg80211_beacon_dup(&params->beacon_after);
+ if (!sdata->deflink.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(&sdata->deflink);
+ 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, &sdata->deflink,
+ &params->beacon_csa, &csa,
+ NULL);
+ if (err < 0) {
+ ieee80211_free_next_beacon(&sdata->deflink);
+ return err;
+ }
+ *changed |= 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_5:
+ case NL80211_CHAN_WIDTH_10:
+ 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);
+ if (err < 0)
+ return err;
+ *changed |= 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.chandef.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);
+ if (err < 0) {
+ ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
+ return err;
+ }
+ *changed |= 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_sub_if_data *sdata)
+{
+ sdata->vif.bss_conf.color_change_active = false;
+
+ ieee80211_free_next_beacon(&sdata->deflink);
+
+ cfg80211_color_change_aborted_notify(sdata->dev);
+}
+
+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_local *local = sdata->local;
+ struct ieee80211_channel_switch ch_switch;
+ struct ieee80211_chanctx_conf *conf;
+ struct ieee80211_chanctx *chanctx;
+ u32 changed = 0;
+ int err;
+
+ sdata_assert_lock(sdata);
+ lockdep_assert_held(&local->mtx);
+
+ if (!list_empty(&local->roc_list) || local->scanning)
+ return -EBUSY;
+
+ if (sdata->wdev.cac_started)
+ return -EBUSY;
+
+ if (cfg80211_chandef_identical(&params->chandef,
+ &sdata->vif.bss_conf.chandef))
+ return -EINVAL;
+
+ /* don't allow another channel switch if one is already active. */
+ if (sdata->vif.bss_conf.csa_active)
+ return -EBUSY;
+
+ mutex_lock(&local->chanctx_mtx);
+ conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (!conf) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (params->chandef.chan->freq_offset) {
+ /* this may work, but is untested */
+ err = -EOPNOTSUPP;
+ 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 = params->chandef;
+ ch_switch.count = params->count;
+
+ err = drv_pre_channel_switch(sdata, &ch_switch);
+ if (err)
+ goto out;
+
+ err = ieee80211_link_reserve_chanctx(&sdata->deflink, &params->chandef,
+ chanctx->mode,
+ params->radar_required);
+ if (err)
+ goto out;
+
+ /* if reservation is invalid then this will fail */
+ err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
+ if (err) {
+ ieee80211_link_unreserve_chanctx(&sdata->deflink);
+ goto out;
+ }
+
+ /* if there is a color change in progress, abort it */
+ if (sdata->vif.bss_conf.color_change_active)
+ ieee80211_color_change_abort(sdata);
+
+ err = ieee80211_set_csa_beacon(sdata, params, &changed);
+ if (err) {
+ ieee80211_link_unreserve_chanctx(&sdata->deflink);
+ goto out;
+ }
+
+ sdata->deflink.csa_chandef = params->chandef;
+ sdata->deflink.csa_block_tx = params->block_tx;
+ sdata->vif.bss_conf.csa_active = true;
+
+ if (sdata->deflink.csa_block_tx)
+ ieee80211_stop_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+
+ cfg80211_ch_switch_started_notify(sdata->dev,
+ &sdata->deflink.csa_chandef, 0,
+ params->count, params->block_tx);
+
+ if (changed) {
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ changed);
+ drv_channel_switch_beacon(sdata, &params->chandef);
+ } else {
+ /* if the beacon didn't change, we can finalize immediately */
+ ieee80211_csa_finalize(sdata);
+ }
+
+out:
+ mutex_unlock(&local->chanctx_mtx);
+ 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;
+ int err;
+
+ mutex_lock(&local->mtx);
+ err = __ieee80211_channel_switch(wiphy, dev, params);
+ mutex_unlock(&local->mtx);
+
+ return err;
+}
+
+u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
+{
+ lockdep_assert_held(&local->mtx);
+
+ 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)->ack_frame_id = 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, u32 tx_ant, u32 rx_ant)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ if (local->started)
+ return -EOPNOTSUPP;
+
+ return drv_set_antenna(local, tx_ant, rx_ant);
+}
+
+static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ return drv_get_antenna(local, 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;
+ enum nl80211_band band;
+ int ret;
+
+ /* the lock is needed to assign the cookie later */
+ mutex_lock(&local->mtx);
+
+ rcu_read_lock();
+ sta = sta_info_get_bss(sdata, peer);
+ if (!sta) {
+ ret = -ENOLINK;
+ goto unlock;
+ }
+
+ qos = sta->sta.wme;
+
+ 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;
+
+ 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);
+ 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;
+
+ 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();
+ mutex_unlock(&local->mtx);
+
+ 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->chandef;
+ ret = 0;
+ } else if (local->open_count > 0 &&
+ local->open_count == local->monitors &&
+ sdata->vif.type == NL80211_IFTYPE_MONITOR) {
+ if (local->use_chanctx)
+ *chandef = local->monitor_chandef;
+ else
+ *chandef = local->_oper_chandef;
+ 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(sizeof(*new_qos_map), GFP_KERNEL);
+ 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;
+ int ret;
+ u32 changed = 0;
+
+ link = sdata_dereference(sdata->link[link_id], sdata);
+
+ ret = ieee80211_link_change_bandwidth(link, chandef, &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;
+
+ spin_lock_bh(&sdata->u.nan.func_lock);
+
+ func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
+ if (WARN_ON(!func)) {
+ spin_unlock_bh(&sdata->u.nan.func_lock);
+ return;
+ }
+
+ cookie = func->cookie;
+ idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
+
+ spin_unlock_bh(&sdata->u.nan.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;
+
+ spin_lock_bh(&sdata->u.nan.func_lock);
+
+ func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
+ if (WARN_ON(!func)) {
+ spin_unlock_bh(&sdata->u.nan.func_lock);
+ return;
+ }
+ match->cookie = func->cookie;
+
+ spin_unlock_bh(&sdata->u.nan.func_lock);
+
+ cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
+}
+EXPORT_SYMBOL(ieee80211_nan_func_match);
+
+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;
+
+ if (!local->ops->wake_tx_queue)
+ return 1;
+
+ spin_lock_bh(&local->fq.lock);
+ rcu_read_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:
+ rcu_read_unlock();
+ 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;
+ int ret;
+
+ if (!sdata->local->ops->set_tid_config)
+ return -EOPNOTSUPP;
+
+ if (!tid_conf->peer)
+ return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
+
+ mutex_lock(&sdata->local->sta_mtx);
+ sta = sta_info_get_bss(sdata, tid_conf->peer);
+ if (!sta) {
+ mutex_unlock(&sdata->local->sta_mtx);
+ return -ENOENT;
+ }
+
+ ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
+ mutex_unlock(&sdata->local->sta_mtx);
+
+ return ret;
+}
+
+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;
+ int ret;
+
+ if (!sdata->local->ops->reset_tid_config)
+ return -EOPNOTSUPP;
+
+ if (!peer)
+ return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
+
+ mutex_lock(&sdata->local->sta_mtx);
+ sta = sta_info_get_bss(sdata, peer);
+ if (!sta) {
+ mutex_unlock(&sdata->local->sta_mtx);
+ return -ENOENT;
+ }
+
+ ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
+ mutex_unlock(&sdata->local->sta_mtx);
+
+ return ret;
+}
+
+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_sub_if_data *sdata,
+ u32 *changed)
+{
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP: {
+ int ret;
+
+ if (!sdata->deflink.u.ap.next_beacon)
+ return -EINVAL;
+
+ ret = ieee80211_assign_beacon(sdata, &sdata->deflink,
+ sdata->deflink.u.ap.next_beacon,
+ NULL, NULL);
+ ieee80211_free_next_beacon(&sdata->deflink);
+
+ if (ret < 0)
+ return ret;
+
+ *changed |= ret;
+ break;
+ }
+ default:
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_color_change_settings *params,
+ u32 *changed)
+{
+ struct ieee80211_color_change_settings color_change = {};
+ int err;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ sdata->deflink.u.ap.next_beacon =
+ cfg80211_beacon_dup(&params->beacon_next);
+ if (!sdata->deflink.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, &sdata->deflink,
+ &params->beacon_color_change,
+ NULL, &color_change);
+ if (err < 0) {
+ ieee80211_free_next_beacon(&sdata->deflink);
+ return err;
+ }
+ *changed |= err;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static void
+ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
+ u8 color, int enable, u32 changed)
+{
+ sdata->vif.bss_conf.he_bss_color.color = color;
+ sdata->vif.bss_conf.he_bss_color.enabled = enable;
+ changed |= BSS_CHANGED_HE_BSS_COLOR;
+
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed);
+
+ if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) {
+ struct ieee80211_sub_if_data *child;
+
+ mutex_lock(&sdata->local->iflist_mtx);
+ list_for_each_entry(child, &sdata->local->interfaces, list) {
+ if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) {
+ child->vif.bss_conf.he_bss_color.color = color;
+ child->vif.bss_conf.he_bss_color.enabled = enable;
+ ieee80211_link_info_change_notify(child,
+ &child->deflink,
+ BSS_CHANGED_HE_BSS_COLOR);
+ }
+ }
+ mutex_unlock(&sdata->local->iflist_mtx);
+ }
+}
+
+static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ u32 changed = 0;
+ int err;
+
+ sdata_assert_lock(sdata);
+ lockdep_assert_held(&local->mtx);
+
+ sdata->vif.bss_conf.color_change_active = false;
+
+ err = ieee80211_set_after_color_change_beacon(sdata, &changed);
+ if (err) {
+ cfg80211_color_change_aborted_notify(sdata->dev);
+ return err;
+ }
+
+ ieee80211_color_change_bss_config_notify(sdata,
+ sdata->vif.bss_conf.color_change_color,
+ 1, changed);
+ cfg80211_color_change_notify(sdata->dev);
+
+ return 0;
+}
+
+void ieee80211_color_change_finalize_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data,
+ deflink.color_change_finalize_work);
+ struct ieee80211_local *local = sdata->local;
+
+ sdata_lock(sdata);
+ mutex_lock(&local->mtx);
+
+ /* AP might have been stopped while waiting for the lock. */
+ if (!sdata->vif.bss_conf.color_change_active)
+ goto unlock;
+
+ if (!ieee80211_sdata_running(sdata))
+ goto unlock;
+
+ ieee80211_color_change_finalize(sdata);
+
+unlock:
+ mutex_unlock(&local->mtx);
+ sdata_unlock(sdata);
+}
+
+void ieee80211_color_collision_detection_work(struct work_struct *work)
+{
+ struct delayed_work *delayed_work = to_delayed_work(work);
+ struct ieee80211_link_data *link =
+ container_of(delayed_work, struct ieee80211_link_data,
+ color_collision_detect_work);
+ struct ieee80211_sub_if_data *sdata = link->sdata;
+
+ sdata_lock(sdata);
+ cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap,
+ GFP_KERNEL);
+ sdata_unlock(sdata);
+}
+
+void ieee80211_color_change_finish(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ ieee80211_queue_work(&sdata->local->hw,
+ &sdata->deflink.color_change_finalize_work);
+}
+EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
+
+void
+ieeee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
+ u64 color_bitmap, gfp_t gfp)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_link_data *link = &sdata->deflink;
+
+ if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active)
+ return;
+
+ if (delayed_work_pending(&link->color_collision_detect_work))
+ 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.
+ */
+ ieee80211_queue_delayed_work(&sdata->local->hw,
+ &link->color_collision_detect_work,
+ msecs_to_jiffies(500));
+}
+EXPORT_SYMBOL_GPL(ieeee80211_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;
+ u32 changed = 0;
+ int err;
+
+ sdata_assert_lock(sdata);
+
+ if (sdata->vif.bss_conf.nontransmitted)
+ return -EINVAL;
+
+ mutex_lock(&local->mtx);
+
+ /* don't allow another color change if one is already active or if csa
+ * is active
+ */
+ if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ err = ieee80211_set_color_change_beacon(sdata, params, &changed);
+ if (err)
+ goto out;
+
+ sdata->vif.bss_conf.color_change_active = true;
+ sdata->vif.bss_conf.color_change_color = params->color;
+
+ cfg80211_color_change_started_notify(sdata->dev, params->count);
+
+ if (changed)
+ ieee80211_color_change_bss_config_notify(sdata, 0, 0, changed);
+ else
+ /* if the beacon didn't change, we can finalize immediately */
+ ieee80211_color_change_finalize(sdata);
+
+out:
+ mutex_unlock(&local->mtx);
+
+ 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);
+ int res;
+
+ if (wdev->use_4addr)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&sdata->local->mtx);
+ res = ieee80211_vif_set_links(sdata, wdev->valid_links);
+ mutex_unlock(&sdata->local->mtx);
+
+ return res;
+}
+
+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);
+
+ mutex_lock(&sdata->local->mtx);
+ ieee80211_vif_set_links(sdata, wdev->valid_links);
+ mutex_unlock(&sdata->local->mtx);
+}
+
+static int sta_add_link_station(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct link_station_parameters *params)
+{
+ struct sta_info *sta;
+ int ret;
+
+ 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, true, params);
+ if (ret) {
+ ieee80211_sta_free_link(sta, params->link_id);
+ return ret;
+ }
+
+ /* ieee80211_sta_activate_link frees the link upon failure */
+ return ieee80211_sta_activate_link(sta, params->link_id);
+}
+
+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);
+ int ret;
+
+ mutex_lock(&sdata->local->sta_mtx);
+ ret = sta_add_link_station(local, sdata, params);
+ mutex_unlock(&sdata->local->sta_mtx);
+
+ return ret;
+}
+
+static int sta_mod_link_station(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct link_station_parameters *params)
+{
+ struct sta_info *sta;
+
+ 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, false, params);
+}
+
+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);
+ int ret;
+
+ mutex_lock(&sdata->local->sta_mtx);
+ ret = sta_mod_link_station(local, sdata, params);
+ mutex_unlock(&sdata->local->sta_mtx);
+
+ return ret;
+}
+
+static int sta_del_link_station(struct ieee80211_sub_if_data *sdata,
+ struct link_station_del_parameters *params)
+{
+ struct sta_info *sta;
+
+ 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_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);
+ int ret;
+
+ mutex_lock(&sdata->local->sta_mtx);
+ ret = sta_del_link_station(sdata, params);
+ mutex_unlock(&sdata->local->sta_mtx);
+
+ return ret;
+}
+
+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,
+ .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,
+};