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-rw-r--r--package/mac80211/patches/300-pending_work.patch592
1 files changed, 592 insertions, 0 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
new file mode 100644
index 000000000..f7a0aede5
--- /dev/null
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -0,0 +1,592 @@
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -325,6 +325,8 @@ ath5k_setup_channels(struct ath5k_hw *ah
+ if (!ath5k_is_standard_channel(ch, band))
+ continue;
+
++ channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
++
+ count++;
+ }
+
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -203,6 +203,8 @@ static void ieee80211_send_addba_resp(st
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
++ else if (sdata->vif.type == NL80211_IFTYPE_WDS)
++ memcpy(mgmt->bssid, da, ETH_ALEN);
+
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+--- a/net/mac80211/agg-tx.c
++++ b/net/mac80211/agg-tx.c
+@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
+ memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+ if (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+- sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
++ sdata->vif.type == NL80211_IFTYPE_WDS)
+ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+@@ -460,6 +461,7 @@ int ieee80211_start_tx_ba_session(struct
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ return -EINVAL;
+
+@@ -869,7 +871,7 @@ void ieee80211_process_addba_resp(struct
+
+ } else {
+ ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,
+- true);
++ false);
+ }
+
+ out:
+--- a/net/mac80211/debugfs_sta.c
++++ b/net/mac80211/debugfs_sta.c
+@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+ test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
+
+ int res = scnprintf(buf, sizeof(buf),
+- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+ TEST(PS_DRIVER), TEST(AUTHORIZED),
+ TEST(SHORT_PREAMBLE),
+- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
++ TEST(WME), TEST(CLEAR_PS_FILT),
+ TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
+ TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
+ TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -420,7 +420,6 @@ int ieee80211_do_open(struct wireless_de
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct net_device *dev = wdev->netdev;
+ struct ieee80211_local *local = sdata->local;
+- struct sta_info *sta;
+ u32 changed = 0;
+ int res;
+ u32 hw_reconf_flags = 0;
+@@ -575,30 +574,8 @@ int ieee80211_do_open(struct wireless_de
+
+ set_bit(SDATA_STATE_RUNNING, &sdata->state);
+
+- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
+- /* Create STA entry for the WDS peer */
+- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+- GFP_KERNEL);
+- if (!sta) {
+- res = -ENOMEM;
+- goto err_del_interface;
+- }
+-
+- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+- sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
+-
+- res = sta_info_insert(sta);
+- if (res) {
+- /* STA has been freed */
+- goto err_del_interface;
+- }
+-
+- rate_control_rate_init(sta);
+- netif_carrier_on(dev);
+- } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++ if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+ rcu_assign_pointer(local->p2p_sdata, sdata);
+- }
+
+ /*
+ * set_multicast_list will be invoked by the networking core
+@@ -997,6 +974,72 @@ static void ieee80211_if_setup(struct ne
+ dev->destructor = free_netdev;
+ }
+
++static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
++ struct sk_buff *skb)
++{
++ struct ieee80211_local *local = sdata->local;
++ struct ieee80211_rx_status *rx_status;
++ struct ieee802_11_elems elems;
++ struct ieee80211_mgmt *mgmt;
++ struct sta_info *sta;
++ size_t baselen;
++ u32 rates = 0;
++ u16 stype;
++ bool new = false;
++ enum ieee80211_band band = local->hw.conf.channel->band;
++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
++
++ rx_status = IEEE80211_SKB_RXCB(skb);
++ mgmt = (struct ieee80211_mgmt *) skb->data;
++ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
++
++ if (stype != IEEE80211_STYPE_BEACON)
++ return;
++
++ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
++ if (baselen > skb->len)
++ return;
++
++ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
++ skb->len - baselen, &elems);
++
++ rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
++
++ rcu_read_lock();
++
++ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
++
++ if (!sta) {
++ rcu_read_unlock();
++ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
++ GFP_KERNEL);
++ if (!sta)
++ return;
++
++ new = true;
++ }
++
++ sta->last_rx = jiffies;
++ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
++
++ if (elems.ht_cap_elem)
++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
++ elems.ht_cap_elem, &sta->sta.ht_cap);
++
++ if (elems.wmm_param)
++ set_sta_flag(sta, WLAN_STA_WME);
++
++ if (new) {
++ sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
++ sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
++ sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
++ rate_control_rate_init(sta);
++ sta_info_insert_rcu(sta);
++ }
++
++ rcu_read_unlock();
++}
++
+ static void ieee80211_iface_work(struct work_struct *work)
+ {
+ struct ieee80211_sub_if_data *sdata =
+@@ -1101,6 +1144,9 @@ static void ieee80211_iface_work(struct
+ break;
+ ieee80211_mesh_rx_queued_mgmt(sdata, skb);
+ break;
++ case NL80211_IFTYPE_WDS:
++ ieee80211_wds_rx_queued_mgmt(sdata, skb);
++ break;
+ default:
+ WARN(1, "frame for unexpected interface type");
+ break;
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -2279,6 +2279,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ break;
+
+@@ -2496,14 +2497,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+
+ if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+- sdata->vif.type != NL80211_IFTYPE_STATION)
++ sdata->vif.type != NL80211_IFTYPE_STATION &&
++ sdata->vif.type != NL80211_IFTYPE_WDS)
+ return RX_DROP_MONITOR;
+
+ switch (stype) {
+ case cpu_to_le16(IEEE80211_STYPE_AUTH):
+ case cpu_to_le16(IEEE80211_STYPE_BEACON):
+ case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
+- /* process for all: mesh, mlme, ibss */
++ /* process for all: mesh, mlme, ibss, wds */
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+@@ -2827,10 +2829,16 @@ static int prepare_for_handlers(struct i
+ }
+ break;
+ case NL80211_IFTYPE_WDS:
+- if (bssid || !ieee80211_is_data(hdr->frame_control))
+- return 0;
+ if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
+ return 0;
++
++ if (ieee80211_is_data(hdr->frame_control) ||
++ ieee80211_is_action(hdr->frame_control)) {
++ if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
++ return 0;
++ } else if (!ieee80211_is_beacon(hdr->frame_control))
++ return 0;
++
+ break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (!ieee80211_is_public_action(hdr, skb->len) &&
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -32,7 +32,6 @@
+ * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
+ * frames.
+ * @WLAN_STA_WME: Station is a QoS-STA.
+- * @WLAN_STA_WDS: Station is one of our WDS peers.
+ * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
+ * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
+ * frame to this station is transmitted.
+@@ -64,7 +63,6 @@ enum ieee80211_sta_info_flags {
+ WLAN_STA_AUTHORIZED,
+ WLAN_STA_SHORT_PREAMBLE,
+ WLAN_STA_WME,
+- WLAN_STA_WDS,
+ WLAN_STA_CLEAR_PS_FILT,
+ WLAN_STA_MFP,
+ WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -517,29 +517,41 @@ void ieee80211_tx_status(struct ieee8021
+
+ if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
+ u64 cookie = (unsigned long)skb;
++ bool found = false;
++
+ acked = info->flags & IEEE80211_TX_STAT_ACK;
+
+- if (ieee80211_is_nullfunc(hdr->frame_control) ||
+- ieee80211_is_qos_nullfunc(hdr->frame_control)) {
+- cfg80211_probe_status(skb->dev, hdr->addr1,
+- cookie, acked, GFP_ATOMIC);
+- } else if (skb->dev) {
+- cfg80211_mgmt_tx_status(
+- skb->dev->ieee80211_ptr, cookie, skb->data,
+- skb->len, acked, GFP_ATOMIC);
+- } else {
+- struct ieee80211_sub_if_data *p2p_sdata;
++ rcu_read_lock();
+
+- rcu_read_lock();
++ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
++ if (!sdata->dev)
++ continue;
+
+- p2p_sdata = rcu_dereference(local->p2p_sdata);
+- if (p2p_sdata) {
+- cfg80211_mgmt_tx_status(
+- &p2p_sdata->wdev, cookie, skb->data,
+- skb->len, acked, GFP_ATOMIC);
+- }
+- rcu_read_unlock();
++ if (skb->dev != sdata->dev)
++ continue;
++
++ found = true;
++ break;
+ }
++
++ if (!skb->dev) {
++ sdata = rcu_dereference(local->p2p_sdata);
++ if (sdata)
++ found = true;
++ }
++
++ if (!found)
++ skb->dev = NULL;
++ else if (ieee80211_is_nullfunc(hdr->frame_control) ||
++ ieee80211_is_qos_nullfunc(hdr->frame_control)) {
++ cfg80211_probe_status(sdata->dev, hdr->addr1,
++ cookie, acked, GFP_ATOMIC);
++ } else {
++ cfg80211_mgmt_tx_status(&sdata->wdev, cookie, skb->data,
++ skb->len, acked, GFP_ATOMIC);
++ }
++
++ rcu_read_unlock();
+ }
+
+ if (unlikely(info->ack_frame_id)) {
+--- a/drivers/net/wireless/p54/main.c
++++ b/drivers/net/wireless/p54/main.c
+@@ -139,6 +139,7 @@ static int p54_beacon_format_ie_tim(stru
+ static int p54_beacon_update(struct p54_common *priv,
+ struct ieee80211_vif *vif)
+ {
++ struct ieee80211_tx_control control = { };
+ struct sk_buff *beacon;
+ int ret;
+
+@@ -158,7 +159,7 @@ static int p54_beacon_update(struct p54_
+ * to cancel the old beacon template by hand, instead the firmware
+ * will release the previous one through the feedback mechanism.
+ */
+- p54_tx_80211(priv->hw, NULL, beacon);
++ p54_tx_80211(priv->hw, &control, beacon);
+ priv->tsf_high32 = 0;
+ priv->tsf_low32 = 0;
+
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -352,6 +352,9 @@ static void reg_regdb_search(struct work
+ struct reg_regdb_search_request *request;
+ const struct ieee80211_regdomain *curdom, *regdom;
+ int i, r;
++ bool set_reg = false;
++
++ mutex_lock(&cfg80211_mutex);
+
+ mutex_lock(&reg_regdb_search_mutex);
+ while (!list_empty(&reg_regdb_search_list)) {
+@@ -367,9 +370,7 @@ static void reg_regdb_search(struct work
+ r = reg_copy_regd(&regdom, curdom);
+ if (r)
+ break;
+- mutex_lock(&cfg80211_mutex);
+- set_regdom(regdom);
+- mutex_unlock(&cfg80211_mutex);
++ set_reg = true;
+ break;
+ }
+ }
+@@ -377,6 +378,11 @@ static void reg_regdb_search(struct work
+ kfree(request);
+ }
+ mutex_unlock(&reg_regdb_search_mutex);
++
++ if (set_reg)
++ set_regdom(regdom);
++
++ mutex_unlock(&cfg80211_mutex);
+ }
+
+ static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -424,8 +424,8 @@ u32 ath_calcrxfilter(struct ath_softc *s
+ rfilt |= ATH9K_RX_FILTER_COMP_BAR;
+
+ if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) {
+- /* The following may also be needed for other older chips */
+- if (sc->sc_ah->hw_version.macVersion == AR_SREV_VERSION_9160)
++ /* This is needed for older chips */
++ if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160)
+ rfilt |= ATH9K_RX_FILTER_PROM;
+ rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
+ }
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
+ }
+
+ static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+- u16 capab_info, u8 *pwr_constr_elem,
+- u8 pwr_constr_elem_len)
++ struct ieee80211_channel *channel,
++ const u8 *country_ie, u8 country_ie_len,
++ const u8 *pwr_constr_elem)
+ {
+- struct ieee80211_conf *conf = &sdata->local->hw.conf;
++ struct ieee80211_country_ie_triplet *triplet;
++ int chan = ieee80211_frequency_to_channel(channel->center_freq);
++ int i, chan_pwr, chan_increment, new_ap_level;
++ bool have_chan_pwr = false;
+
+- if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT))
++ /* Invalid IE */
++ if (country_ie_len % 2 || country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
+ return;
+
+- /* Power constraint IE length should be 1 octet */
+- if (pwr_constr_elem_len != 1)
+- return;
++ triplet = (void *)(country_ie + 3);
++ country_ie_len -= 3;
+
+- if ((*pwr_constr_elem <= conf->channel->max_reg_power) &&
+- (*pwr_constr_elem != sdata->local->power_constr_level)) {
+- sdata->local->power_constr_level = *pwr_constr_elem;
+- ieee80211_hw_config(sdata->local, 0);
++ switch (channel->band) {
++ default:
++ WARN_ON_ONCE(1);
++ /* fall through */
++ case IEEE80211_BAND_2GHZ:
++ case IEEE80211_BAND_60GHZ:
++ chan_increment = 1;
++ break;
++ case IEEE80211_BAND_5GHZ:
++ chan_increment = 4;
++ break;
+ }
++
++ /* find channel */
++ while (country_ie_len >= 3) {
++ u8 first_channel = triplet->chans.first_channel;
++
++ if (first_channel >= IEEE80211_COUNTRY_EXTENSION_ID)
++ goto next;
++
++ for (i = 0; i < triplet->chans.num_channels; i++) {
++ if (first_channel + i * chan_increment == chan) {
++ have_chan_pwr = true;
++ chan_pwr = triplet->chans.max_power;
++ break;
++ }
++ }
++ if (have_chan_pwr)
++ break;
++
++ next:
++ triplet++;
++ country_ie_len -= 3;
++ }
++
++ if (!have_chan_pwr)
++ return;
++
++ new_ap_level = max_t(int, 0, chan_pwr - *pwr_constr_elem);
++
++ if (sdata->local->ap_power_level == new_ap_level)
++ return;
++
++ sdata_info(sdata,
++ "Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
++ new_ap_level, chan_pwr, *pwr_constr_elem,
++ sdata->u.mgd.bssid);
++ sdata->local->ap_power_level = new_ap_level;
++ ieee80211_hw_config(sdata->local, 0);
+ }
+
+ void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
+@@ -1390,7 +1438,7 @@ static void ieee80211_set_disassoc(struc
+ sta = sta_info_get(sdata, ifmgd->bssid);
+ if (sta) {
+ set_sta_flag(sta, WLAN_STA_BLOCK_BA);
+- ieee80211_sta_tear_down_BA_sessions(sta, tx);
++ ieee80211_sta_tear_down_BA_sessions(sta, false);
+ }
+ mutex_unlock(&local->sta_mtx);
+
+@@ -1438,7 +1486,7 @@ static void ieee80211_set_disassoc(struc
+ memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
+ memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
+
+- local->power_constr_level = 0;
++ local->ap_power_level = 0;
+
+ del_timer_sync(&local->dynamic_ps_timer);
+ cancel_work_sync(&local->dynamic_ps_enable_work);
+@@ -2530,15 +2578,13 @@ static void ieee80211_rx_mgmt_beacon(str
+ bssid, true);
+ }
+
+- /* Note: country IE parsing is done for us by cfg80211 */
+- if (elems.country_elem) {
+- /* TODO: IBSS also needs this */
+- if (elems.pwr_constr_elem)
+- ieee80211_handle_pwr_constr(sdata,
+- le16_to_cpu(mgmt->u.probe_resp.capab_info),
+- elems.pwr_constr_elem,
+- elems.pwr_constr_elem_len);
+- }
++ if (elems.country_elem && elems.pwr_constr_elem &&
++ mgmt->u.probe_resp.capab_info &
++ cpu_to_le16(WLAN_CAPABILITY_SPECTRUM_MGMT))
++ ieee80211_handle_pwr_constr(sdata, local->oper_channel,
++ elems.country_elem,
++ elems.country_elem_len,
++ elems.pwr_constr_elem);
+
+ ieee80211_bss_info_change_notify(sdata, changed);
+ }
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -674,7 +674,7 @@ int __must_check __sta_info_destroy(stru
+ * will be sufficient.
+ */
+ set_sta_flag(sta, WLAN_STA_BLOCK_BA);
+- ieee80211_sta_tear_down_BA_sessions(sta, true);
++ ieee80211_sta_tear_down_BA_sessions(sta, false);
+
+ ret = sta_info_hash_del(local, sta);
+ if (ret)
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -1977,11 +1977,13 @@ ath5k_hw_set_spur_mitigation_filter(stru
+ spur_delta_phase = (spur_offset << 18) / 25;
+ spur_freq_sigma_delta = (spur_delta_phase >> 10);
+ symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 2;
++ break;
+ case AR5K_BWMODE_5MHZ:
+ /* Both sample_freq and chip_freq are 10MHz (?) */
+ spur_delta_phase = (spur_offset << 19) / 25;
+ spur_freq_sigma_delta = (spur_delta_phase >> 10);
+ symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 4;
++ break;
+ default:
+ if (channel->band == IEEE80211_BAND_5GHZ) {
+ /* Both sample_freq and chip_freq are 40MHz */
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -1062,7 +1062,7 @@ struct ieee80211_local {
+ bool disable_dynamic_ps;
+
+ int user_power_level; /* in dBm */
+- int power_constr_level; /* in dBm */
++ int ap_power_level; /* in dBm */
+
+ enum ieee80211_smps_mode smps_mode;
+
+@@ -1170,7 +1170,6 @@ struct ieee802_11_elems {
+ u8 prep_len;
+ u8 perr_len;
+ u8 country_elem_len;
+- u8 pwr_constr_elem_len;
+ u8 quiet_elem_len;
+ u8 num_of_quiet_elem; /* can be more the one */
+ u8 timeout_int_len;
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -792,8 +792,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+ elems->country_elem_len = elen;
+ break;
+ case WLAN_EID_PWR_CONSTRAINT:
++ if (elen != 1) {
++ elem_parse_failed = true;
++ break;
++ }
+ elems->pwr_constr_elem = pos;
+- elems->pwr_constr_elem_len = elen;
+ break;
+ case WLAN_EID_TIMEOUT_INTERVAL:
+ elems->timeout_int = pos;
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -154,13 +154,11 @@ int ieee80211_hw_config(struct ieee80211
+
+ if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
+- test_bit(SCAN_HW_SCANNING, &local->scanning))
++ test_bit(SCAN_HW_SCANNING, &local->scanning) ||
++ !local->ap_power_level)
+ power = chan->max_power;
+ else
+- power = local->power_constr_level ?
+- min(chan->max_power,
+- (chan->max_reg_power - local->power_constr_level)) :
+- chan->max_power;
++ power = min(chan->max_power, local->ap_power_level);
+
+ if (local->user_power_level >= 0)
+ power = min(power, local->user_power_level);