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path: root/drivers/net/wireless/rtlwifi/core.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/core.c')
-rw-r--r--drivers/net/wireless/rtlwifi/core.c221
1 files changed, 177 insertions, 44 deletions
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index d3ce9fbef00e..ee84844be008 100644
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -104,9 +104,12 @@ static void rtl_op_stop(struct ieee80211_hw *hw)
if (is_hal_stop(rtlhal))
return;
+ /* here is must, because adhoc do stop and start,
+ * but stop with RFOFF may cause something wrong,
+ * like adhoc TP
+ */
if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
rtl_ips_nic_on(hw);
- mdelay(1);
}
mutex_lock(&rtlpriv->locks.conf_mutex);
@@ -167,7 +170,11 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw,
rtl_ips_nic_on(hw);
mutex_lock(&rtlpriv->locks.conf_mutex);
- switch (vif->type) {
+
+ switch (ieee80211_vif_type_p2p(vif)) {
+ case NL80211_IFTYPE_P2P_CLIENT:
+ mac->p2p = P2P_ROLE_CLIENT;
+ /*fall through*/
case NL80211_IFTYPE_STATION:
if (mac->beacon_enabled == 1) {
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
@@ -192,6 +199,9 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw,
(u8 *) (&mac->basic_rates));
break;
+ case NL80211_IFTYPE_P2P_GO:
+ mac->p2p = P2P_ROLE_GO;
+ /*fall through*/
case NL80211_IFTYPE_AP:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
"NL80211_IFTYPE_AP\n");
@@ -205,6 +215,19 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw,
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
break;
+ case NL80211_IFTYPE_MESH_POINT:
+ RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+ "NL80211_IFTYPE_MESH_POINT\n");
+
+ mac->link_state = MAC80211_LINKED;
+ rtlpriv->cfg->ops->set_bcn_reg(hw);
+ if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
+ mac->basic_rates = 0xfff;
+ else
+ mac->basic_rates = 0xff0;
+ rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
+ (u8 *)(&mac->basic_rates));
+ break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"operation mode %d is not supported!\n", vif->type);
@@ -212,6 +235,13 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw,
goto out;
}
+ if (mac->p2p) {
+ RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+ "p2p role %x\n", vif->type);
+ mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
+ rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
+ (u8 *)(&mac->basic_rates));
+ }
mac->vif = vif;
mac->opmode = vif->type;
rtlpriv->cfg->ops->set_network_type(hw, vif->type);
@@ -232,9 +262,9 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw,
mutex_lock(&rtlpriv->locks.conf_mutex);
/* Free beacon resources */
- if ((mac->opmode == NL80211_IFTYPE_AP) ||
- (mac->opmode == NL80211_IFTYPE_ADHOC) ||
- (mac->opmode == NL80211_IFTYPE_MESH_POINT)) {
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_ADHOC) ||
+ (vif->type == NL80211_IFTYPE_MESH_POINT)) {
if (mac->beacon_enabled == 1) {
mac->beacon_enabled = 0;
rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
@@ -247,6 +277,7 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw,
*Note: We assume NL80211_IFTYPE_UNSPECIFIED as
*NO LINK for our hardware.
*/
+ mac->p2p = 0;
mac->vif = NULL;
mac->link_state = MAC80211_NOLINK;
memset(mac->bssid, 0, 6);
@@ -256,6 +287,22 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw,
mutex_unlock(&rtlpriv->locks.conf_mutex);
}
+static int rtl_op_change_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum nl80211_iftype new_type, bool p2p)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ int ret;
+ rtl_op_remove_interface(hw, vif);
+
+ vif->type = new_type;
+ vif->p2p = p2p;
+ ret = rtl_op_add_interface(hw, vif);
+ RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+ "p2p %x\n", p2p);
+ return ret;
+}
+
static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -264,6 +311,9 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct ieee80211_conf *conf = &hw->conf;
+ if (mac->skip_scan)
+ return 1;
+
mutex_lock(&rtlpriv->locks.conf_mutex);
if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
@@ -320,9 +370,19 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- struct ieee80211_channel *channel = hw->conf.channel;
+ struct ieee80211_channel *channel = hw->conf.chandef.chan;
u8 wide_chan = (u8) channel->hw_value;
+ if (mac->act_scanning)
+ mac->n_channels++;
+
+ if (rtlpriv->dm.supp_phymode_switch &&
+ mac->link_state < MAC80211_LINKED &&
+ !mac->act_scanning) {
+ if (rtlpriv->cfg->ops->chk_switch_dmdp)
+ rtlpriv->cfg->ops->chk_switch_dmdp(hw);
+ }
+
/*
*because we should back channel to
*current_network.chan in in scanning,
@@ -332,7 +392,7 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
*info for cisco1253 bw20, so we modify
*it here based on UPPER & LOWER
*/
- switch (hw->conf.channel_type) {
+ switch (cfg80211_get_chandef_type(&hw->conf.chandef)) {
case NL80211_CHAN_HT20:
case NL80211_CHAN_NO_HT:
/* SC */
@@ -373,13 +433,13 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
if (wide_chan <= 0)
wide_chan = 1;
- /* In scanning, before we go offchannel we may send a ps=1 null
- * to AP, and then we may send a ps = 0 null to AP quickly, but
- * first null may have caused AP to put lots of packet to hw tx
- * buffer. These packets must be tx'd before we go off channel
- * so we must delay more time to let AP flush these packets
- * before going offchannel, or dis-association or delete BA will
- * happen by AP
+ /* In scanning, before we go offchannel we may send a ps = 1
+ * null to AP, and then we may send a ps = 0 null to AP quickly,
+ * but first null may have caused AP to put lots of packet to
+ * hw tx buffer. These packets must be tx'd before we go off
+ * channel so we must delay more time to let AP flush these
+ * packets before going offchannel, or dis-association or
+ * delete BA will be caused by AP
*/
if (rtlpriv->mac80211.offchan_delay) {
rtlpriv->mac80211.offchan_delay = false;
@@ -390,7 +450,7 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
rtlpriv->cfg->ops->switch_channel(hw);
rtlpriv->cfg->ops->set_channel_access(hw);
rtlpriv->cfg->ops->set_bw_mode(hw,
- hw->conf.channel_type);
+ cfg80211_get_chandef_type(&hw->conf.chandef));
}
mutex_unlock(&rtlpriv->locks.conf_mutex);
@@ -441,7 +501,8 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw,
* and nolink check bssid is set in set network_type */
if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
(mac->link_state >= MAC80211_LINKED)) {
- if (mac->opmode != NL80211_IFTYPE_AP) {
+ if (mac->opmode != NL80211_IFTYPE_AP &&
+ mac->opmode != NL80211_IFTYPE_MESH_POINT) {
if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
rtlpriv->cfg->ops->set_chk_bssid(hw, false);
} else {
@@ -481,32 +542,43 @@ static int rtl_op_sta_add(struct ieee80211_hw *hw,
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_sta_info *sta_entry;
if (sta) {
sta_entry = (struct rtl_sta_info *) sta->drv_priv;
+ spin_lock_bh(&rtlpriv->locks.entry_list_lock);
+ list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
+ spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
if (rtlhal->current_bandtype == BAND_ON_2_4G) {
sta_entry->wireless_mode = WIRELESS_MODE_G;
if (sta->supp_rates[0] <= 0xf)
sta_entry->wireless_mode = WIRELESS_MODE_B;
- if (sta->ht_cap.ht_supported)
+ if (sta->ht_cap.ht_supported == true)
sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
+
+ if (vif->type == NL80211_IFTYPE_ADHOC)
+ sta_entry->wireless_mode = WIRELESS_MODE_G;
} else if (rtlhal->current_bandtype == BAND_ON_5G) {
sta_entry->wireless_mode = WIRELESS_MODE_A;
- if (sta->ht_cap.ht_supported)
+ if (sta->ht_cap.ht_supported == true)
sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
- }
- /* I found some times mac80211 give wrong supp_rates for adhoc*/
- if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
- sta_entry->wireless_mode = WIRELESS_MODE_G;
+ if (vif->type == NL80211_IFTYPE_ADHOC)
+ sta_entry->wireless_mode = WIRELESS_MODE_A;
+ }
+ /*disable cck rate for p2p*/
+ if (mac->p2p)
+ sta->supp_rates[0] &= 0xfffffff0;
+ memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
"Add sta addr is %pM\n", sta->addr);
rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
}
return 0;
}
+
static int rtl_op_sta_remove(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
@@ -519,9 +591,14 @@ static int rtl_op_sta_remove(struct ieee80211_hw *hw,
sta_entry = (struct rtl_sta_info *) sta->drv_priv;
sta_entry->wireless_mode = 0;
sta_entry->ratr_index = 0;
+
+ spin_lock_bh(&rtlpriv->locks.entry_list_lock);
+ list_del(&sta_entry->list);
+ spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
}
return 0;
}
+
static int _rtl_get_hal_qnum(u16 queue)
{
int qnum;
@@ -547,8 +624,8 @@ static int _rtl_get_hal_qnum(u16 queue)
}
/*
- *for mac80211 VO=0, VI=1, BE=2, BK=3
- *for rtl819x BE=0, BK=1, VI=2, VO=3
+ *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
+ *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
*/
static int rtl_op_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u16 queue,
@@ -630,6 +707,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
/*TODO: reference to enum ieee80211_bss_change */
if (changed & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
+ struct ieee80211_sta *sta = NULL;
/* we should reset all sec info & cam
* before set cam after linked, we should not
* reset in disassoc, that will cause tkip->wep
@@ -647,23 +725,39 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
if (rtlpriv->cfg->ops->linked_set_reg)
rtlpriv->cfg->ops->linked_set_reg(hw);
- if (mac->opmode == NL80211_IFTYPE_STATION && sta)
+ rcu_read_lock();
+ sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
+
+ if (vif->type == NL80211_IFTYPE_STATION && sta)
rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
+ RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
+ "send PS STATIC frame\n");
+ if (rtlpriv->dm.supp_phymode_switch) {
+ if (sta->ht_cap.ht_supported)
+ rtl_send_smps_action(hw, sta,
+ IEEE80211_SMPS_STATIC);
+ }
+ rcu_read_unlock();
+
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
"BSS_CHANGED_ASSOC\n");
} else {
- if (mac->link_state == MAC80211_LINKED)
- rtl_lps_leave(hw);
+ if (mac->link_state == MAC80211_LINKED) {
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
+ }
+ if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
+ rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
mac->link_state = MAC80211_NOLINK;
memset(mac->bssid, 0, 6);
-
- /* reset sec info */
- rtl_cam_reset_sec_info(hw);
-
- rtl_cam_reset_all_entry(hw);
mac->vendor = PEER_UNKNOWN;
+ if (rtlpriv->dm.supp_phymode_switch) {
+ if (rtlpriv->cfg->ops->chk_switch_dmdp)
+ rtlpriv->cfg->ops->chk_switch_dmdp(hw);
+ }
+
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
"BSS_CHANGED_UN_ASSOC\n");
}
@@ -778,7 +872,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
}
if (changed & BSS_CHANGED_BASIC_RATES) {
- /* for 5G must << RATE_6M_INDEX=4,
+ /* for 5G must << RATE_6M_INDEX = 4,
* because 5G have no cck rate*/
if (rtlhal->current_bandtype == BAND_ON_5G)
basic_rates = sta->supp_rates[1] << 4;
@@ -815,6 +909,9 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
ppsc->report_linked = false;
}
}
+ if (rtlpriv->cfg->ops->bt_wifi_media_status_notify)
+ rtlpriv->cfg->ops->bt_wifi_media_status_notify(hw,
+ ppsc->report_linked);
}
out:
@@ -885,7 +982,6 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
"IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
return rtl_tx_agg_stop(hw, sta, tid);
- break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
"IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
@@ -894,11 +990,11 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
case IEEE80211_AMPDU_RX_START:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
"IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
- break;
+ return rtl_rx_agg_start(hw, sta, tid);
case IEEE80211_AMPDU_RX_STOP:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
"IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
- break;
+ return rtl_rx_agg_stop(hw, sta, tid);
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"IEEE80211_AMPDU_ERR!!!!:\n");
@@ -912,12 +1008,20 @@ static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- mac->act_scanning = true;
-
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
+ mac->act_scanning = true;
+ if (rtlpriv->link_info.higher_busytraffic) {
+ mac->skip_scan = true;
+ return;
+ }
+ if (rtlpriv->dm.supp_phymode_switch) {
+ if (rtlpriv->cfg->ops->chk_switch_dmdp)
+ rtlpriv->cfg->ops->chk_switch_dmdp(hw);
+ }
if (mac->link_state == MAC80211_LINKED) {
- rtl_lps_leave(hw);
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
mac->link_state = MAC80211_LINKED_SCANNING;
} else {
rtl_ips_nic_on(hw);
@@ -937,6 +1041,16 @@ static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
mac->act_scanning = false;
+ mac->skip_scan = false;
+ if (rtlpriv->link_info.higher_busytraffic)
+ return;
+
+ /*p2p will use 1/6/11 to scan */
+ if (mac->n_channels == 3)
+ mac->p2p_in_use = true;
+ else
+ mac->p2p_in_use = false;
+ mac->n_channels = 0;
/* Dual mac */
rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
@@ -970,6 +1084,11 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
"not open hw encryption\n");
return -ENOSPC; /*User disabled HW-crypto */
}
+ /* To support IBSS, use sw-crypto for GTK */
+ if (((vif->type == NL80211_IFTYPE_ADHOC) ||
+ (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
+ !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ return -ENOSPC;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
"%s hardware based encryption for keyidx: %d, mac: %pM\n",
cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
@@ -996,6 +1115,14 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
key_type = AESCCMP_ENCRYPTION;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ /*HW doesn't support CMAC encryption, use software CMAC */
+ key_type = AESCMAC_ENCRYPTION;
+ RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
+ RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+ "HW don't support CMAC encryption, use software CMAC\n");
+ err = -EOPNOTSUPP;
+ goto out_unlock;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n",
key->cipher);
@@ -1017,13 +1144,14 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
* 1) wep only: is just for wep enc, in this condition
* rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
* will be true & enable_hw_sec will be set when wep
- * ke setting.
+ * key setting.
* 2) wep(group) + AES(pairwise): some AP like cisco
* may use it, in this condition enable_hw_sec will not
* be set when wep key setting */
/* we must reset sec_info after lingked before set key,
* or some flag will be wrong*/
- if (mac->opmode == NL80211_IFTYPE_AP) {
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_MESH_POINT) {
if (!group_key || key_type == WEP40_ENCRYPTION ||
key_type == WEP104_ENCRYPTION) {
if (group_key)
@@ -1098,12 +1226,16 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
key->hw_key_idx = key_idx;
if (key_type == TKIP_ENCRYPTION)
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ /*use software CCMP encryption for management frames (MFP) */
+ if (key_type == AESCCMP_ENCRYPTION)
+ key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
break;
case DISABLE_KEY:
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
"disable key delete one entry\n");
/*set local buf about wep key. */
- if (mac->opmode == NL80211_IFTYPE_AP) {
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_MESH_POINT) {
if (sta)
rtl_cam_del_entry(hw, sta->addr);
}
@@ -1163,10 +1295,10 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
}
/* this function is called by mac80211 to flush tx buffer
- * before switch channle or power save, or tx buffer packet
+ * before switch channel or power save, or tx buffer packet
* maybe send after offchannel or rf sleep, this may cause
* dis-association by AP */
-static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
+static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -1180,6 +1312,7 @@ const struct ieee80211_ops rtl_ops = {
.tx = rtl_op_tx,
.add_interface = rtl_op_add_interface,
.remove_interface = rtl_op_remove_interface,
+ .change_interface = rtl_op_change_interface,
.config = rtl_op_config,
.configure_filter = rtl_op_configure_filter,
.sta_add = rtl_op_sta_add,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.