/*
* Sets most of the Tx cmd's fields
*/
static void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info, u8 sta_id)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags);
u32 len = skb->len + FCS_LEN;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
tx_flags |= TX_CMD_FLG_ACK;
else
tx_flags &= ~TX_CMD_FLG_ACK;
if (ieee80211_is_probe_resp(fc))
tx_flags |= TX_CMD_FLG_TSF;
else if (ieee80211_is_back_req(fc))
tx_flags |= TX_CMD_FLG_ACK | TX_CMD_FLG_BAR;
/* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
if (info->band == IEEE80211_BAND_2GHZ &&
(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
is_multicast_ether_addr(hdr->addr1) ||
ieee80211_is_back_req(fc) || ieee80211_is_mgmt(fc)))
tx_flags |= TX_CMD_FLG_BT_DIS;
if (ieee80211_has_morefrags(fc))
tx_flags |= TX_CMD_FLG_MORE_FRAG;
if (ieee80211_is_data_qos(fc)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
tx_cmd->tid_tspec = qc[0] & 0xf;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL;
} else {
tx_cmd->tid_tspec = IWL_TID_NON_QOS;
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
tx_flags |= TX_CMD_FLG_SEQ_CTL;
else
tx_flags &= ~TX_CMD_FLG_SEQ_CTL;
}
if (ieee80211_is_mgmt(fc)) {
if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc))
tx_cmd->pm_frame_timeout = cpu_to_le16(3);
else
tx_cmd->pm_frame_timeout = cpu_to_le16(2);
/* The spec allows Action frames in A-MPDU, we don't support
* it
*/
WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU);
} else if (skb->protocol == cpu_to_be16(ETH_P_PAE)) {
tx_cmd->pm_frame_timeout = cpu_to_le16(2);
} else {
tx_cmd->pm_frame_timeout = 0;
}
if (info->flags & IEEE80211_TX_CTL_AMPDU)
tx_flags |= TX_CMD_FLG_PROT_REQUIRE;
if (ieee80211_is_data(fc) && len > mvm->rts_threshold &&
!is_multicast_ether_addr(ieee80211_get_DA(hdr)))
tx_flags |= TX_CMD_FLG_PROT_REQUIRE;
tx_cmd->driver_txop = 0;
tx_cmd->tx_flags = cpu_to_le32(tx_flags);
/* Total # bytes to be transmitted */
tx_cmd->len = cpu_to_le16((u16)skb->len);
tx_cmd->next_frame_len = 0;
tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
tx_cmd->sta_id = sta_id;
}
void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
u8 keymgmt, u8 ucipher, u8 auth,
u8 assoc_req_len, u8 *assoc_info)
{
struct ath6kl *ar = vif->ar;
u8 *ies = NULL, *wpa_ie = NULL, *pos;
size_t ies_len = 0;
struct station_info sinfo;
ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid);
if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) {
struct ieee80211_mgmt *mgmt =
(struct ieee80211_mgmt *) assoc_info;
if (ieee80211_is_assoc_req(mgmt->frame_control) &&
assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) +
sizeof(mgmt->u.assoc_req)) {
ies = mgmt->u.assoc_req.variable;
ies_len = assoc_info + assoc_req_len - ies;
} else if (ieee80211_is_reassoc_req(mgmt->frame_control) &&
assoc_req_len >= sizeof(struct ieee80211_hdr_3addr)
+ sizeof(mgmt->u.reassoc_req)) {
ies = mgmt->u.reassoc_req.variable;
ies_len = assoc_info + assoc_req_len - ies;
}
}
pos = ies;
while (pos && pos + 1 < ies + ies_len) {
if (pos + 2 + pos[1] > ies + ies_len)
break;
if (pos[0] == WLAN_EID_RSN)
wpa_ie = pos; /* RSN IE */
else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
pos[1] >= 4 &&
pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) {
if (pos[5] == 0x01)
wpa_ie = pos; /* WPA IE */
else if (pos[5] == 0x04) {
wpa_ie = pos; /* WPS IE */
break; /* overrides WPA/RSN IE */
}
} else if (pos[0] == 0x44 && wpa_ie == NULL) {
/*
* Note: WAPI Parameter Set IE re-uses Element ID that
* was officially allocated for BSS AC Access Delay. As
* such, we need to be a bit more careful on when
* parsing the frame. However, BSS AC Access Delay
* element is not supposed to be included in
* (Re)Association Request frames, so this should not
* cause problems.
*/
wpa_ie = pos; /* WAPI IE */
break;
}
pos += 2 + pos[1];
}
ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie,
wpa_ie ? 2 + wpa_ie[1] : 0,
keymgmt, ucipher, auth);
/* send event to application */
memset(&sinfo, 0, sizeof(sinfo));
/* TODO: sinfo.generation */
sinfo.assoc_req_ies = ies;
sinfo.assoc_req_ies_len = ies_len;
sinfo.filled |= STATION_INFO_ASSOC_REQ_IES;
cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL);
netif_wake_queue(vif->ndev);
}
void pcie_tx_xmit_ndp(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct mwl_priv *priv = hw->priv;
struct pcie_priv *pcie_priv = priv->hif.priv;
struct ieee80211_tx_info *tx_info;
struct ieee80211_key_conf *k_conf;
struct mwl_vif *mwl_vif;
int index;
struct ieee80211_sta *sta;
struct mwl_sta *sta_info;
struct ieee80211_hdr *wh;
u8 *da;
u16 qos;
u8 tid = 0;
struct mwl_ampdu_stream *stream = NULL;
u16 tx_que_priority;
bool mgmtframe = false;
struct ieee80211_mgmt *mgmt;
bool eapol_frame = false;
bool start_ba_session = false;
struct pcie_tx_ctrl_ndp *tx_ctrl;
tx_info = IEEE80211_SKB_CB(skb);
k_conf = tx_info->control.hw_key;
mwl_vif = mwl_dev_get_vif(tx_info->control.vif);
index = skb_get_queue_mapping(skb);
sta = control->sta;
sta_info = sta ? mwl_dev_get_sta(sta) : NULL;
wh = (struct ieee80211_hdr *)skb->data;
if (ieee80211_is_data_qos(wh->frame_control))
qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh)));
else
qos = 0xFFFF;
if (skb->protocol == cpu_to_be16(ETH_P_PAE)) {
index = IEEE80211_AC_VO;
eapol_frame = true;
}
if (ieee80211_is_mgmt(wh->frame_control)) {
mgmtframe = true;
mgmt = (struct ieee80211_mgmt *)skb->data;
}
if (mgmtframe) {
u16 capab;
if (unlikely(ieee80211_is_action(wh->frame_control) &&
mgmt->u.action.category == WLAN_CATEGORY_BACK &&
mgmt->u.action.u.addba_req.action_code ==
WLAN_ACTION_ADDBA_REQ)) {
capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
index = utils_tid_to_ac(tid);
}
if (unlikely(ieee80211_is_assoc_req(wh->frame_control)))
utils_add_basic_rates(hw->conf.chandef.chan->band, skb);
if (ieee80211_is_probe_req(wh->frame_control) ||
ieee80211_is_probe_resp(wh->frame_control))
tx_que_priority = PROBE_RESPONSE_TXQNUM;
else {
if ((
(mwl_vif->macid == SYSADPT_NUM_OF_AP) &&
(!ieee80211_has_protected(wh->frame_control) ||
(ieee80211_has_protected(wh->frame_control) &&
ieee80211_is_auth(wh->frame_control)))
) ||
!sta ||
ieee80211_is_auth(wh->frame_control) ||
ieee80211_is_assoc_req(wh->frame_control) ||
ieee80211_is_assoc_resp(wh->frame_control))
tx_que_priority = MGMT_TXQNUM;
else {
if (is_multicast_ether_addr(wh->addr1) &&
(mwl_vif->macid != SYSADPT_NUM_OF_AP))
tx_que_priority = mwl_vif->macid *
SYSADPT_MAX_TID;
else
tx_que_priority = SYSADPT_MAX_TID *
(sta_info->stnid +
QUEUE_STAOFFSET) + 6;
}
}
if (ieee80211_is_assoc_resp(wh->frame_control) ||
ieee80211_is_reassoc_resp(wh->frame_control)) {
struct sk_buff *ack_skb;
struct ieee80211_tx_info *ack_info;
ack_skb = skb_copy(skb, GFP_ATOMIC);
ack_info = IEEE80211_SKB_CB(ack_skb);
pcie_tx_prepare_info(priv, 0, ack_info);
ieee80211_tx_status(hw, ack_skb);
}
pcie_tx_encapsulate_frame(priv, skb, k_conf, NULL);
} else {
/*
* start REPLY_TX command process
*/
int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_station_priv *sta_priv = NULL;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl_device_cmd *dev_cmd = NULL;
struct iwl_tx_cmd *tx_cmd;
__le16 fc;
u8 hdr_len;
u16 len;
u8 sta_id;
unsigned long flags;
bool is_agg = false;
if (info->control.vif)
ctx = iwl_rxon_ctx_from_vif(info->control.vif);
spin_lock_irqsave(&priv->shrd->lock, flags);
if (iwl_is_rfkill(priv->shrd)) {
IWL_DEBUG_DROP(priv, "Dropping - RF KILL\n");
goto drop_unlock_priv;
}
fc = hdr->frame_control;
#ifdef CONFIG_IWLWIFI_DEBUG
if (ieee80211_is_auth(fc))
IWL_DEBUG_TX(priv, "Sending AUTH frame\n");
else if (ieee80211_is_assoc_req(fc))
IWL_DEBUG_TX(priv, "Sending ASSOC frame\n");
else if (ieee80211_is_reassoc_req(fc))
IWL_DEBUG_TX(priv, "Sending REASSOC frame\n");
#endif
if (unlikely(ieee80211_is_probe_resp(fc))) {
struct iwl_wipan_noa_data *noa_data =
rcu_dereference(priv->noa_data);
if (noa_data &&
pskb_expand_head(skb, 0, noa_data->length,
GFP_ATOMIC) == 0) {
memcpy(skb_put(skb, noa_data->length),
noa_data->data, noa_data->length);
hdr = (struct ieee80211_hdr *)skb->data;
}
}
hdr_len = ieee80211_hdrlen(fc);
/* For management frames use broadcast id to do not break aggregation */
if (!ieee80211_is_data(fc))
sta_id = ctx->bcast_sta_id;
else {
/* Find index into station table for destination station */
sta_id = iwl_sta_id_or_broadcast(priv, ctx, info->control.sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
goto drop_unlock_priv;
}
}
IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
if (info->control.sta)
sta_priv = (void *)info->control.sta->drv_priv;
if (sta_priv && sta_priv->asleep &&
(info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
/*
* This sends an asynchronous command to the device,
* but we can rely on it being processed before the
* next frame is processed -- and the next frame to
* this station is the one that will consume this
* counter.
* For now set the counter to just 1 since we do not
* support uAPSD yet.
*/
iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
}
if (info->flags & IEEE80211_TX_CTL_AMPDU)
is_agg = true;
/* irqs already disabled/saved above when locking priv->shrd->lock */
spin_lock(&priv->shrd->sta_lock);
dev_cmd = kmem_cache_alloc(priv->tx_cmd_pool, GFP_ATOMIC);
if (unlikely(!dev_cmd))
goto drop_unlock_sta;
memset(dev_cmd, 0, sizeof(*dev_cmd));
tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
/* Total # bytes to be transmitted */
len = (u16)skb->len;
tx_cmd->len = cpu_to_le16(len);
if (info->control.hw_key)
iwlagn_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id);
/* TODO need this for burst mode later on */
iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
iwl_dbg_log_tx_data_frame(priv, len, hdr);
iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
iwl_update_stats(priv, true, fc, len);
memset(&info->status, 0, sizeof(info->status));
info->driver_data[0] = ctx;
info->driver_data[1] = dev_cmd;
if (iwl_trans_tx(trans(priv), skb, dev_cmd, ctx->ctxid, sta_id))
goto drop_unlock_sta;
spin_unlock(&priv->shrd->sta_lock);
spin_unlock_irqrestore(&priv->shrd->lock, flags);
/*
* Avoid atomic ops if it isn't an associated client.
* Also, if this is a packet for aggregation, don't
* increase the counter because the ucode will stop
* aggregation queues when their respective station
* goes to sleep.
*/
if (sta_priv && sta_priv->client && !is_agg)
atomic_inc(&sta_priv->pending_frames);
return 0;
drop_unlock_sta:
if (dev_cmd)
kmem_cache_free(priv->tx_cmd_pool, dev_cmd);
spin_unlock(&priv->shrd->sta_lock);
drop_unlock_priv:
spin_unlock_irqrestore(&priv->shrd->lock, flags);
return -1;
}
/*
* Sets most of the Tx cmd's fields
*/
static void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info, u8 sta_id)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags);
u32 len = skb->len + FCS_LEN;
u8 ac;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
tx_flags |= TX_CMD_FLG_ACK;
else
tx_flags &= ~TX_CMD_FLG_ACK;
if (ieee80211_is_probe_resp(fc))
tx_flags |= TX_CMD_FLG_TSF;
else if (ieee80211_is_back_req(fc))
tx_flags |= TX_CMD_FLG_ACK | TX_CMD_FLG_BAR;
if (ieee80211_has_morefrags(fc))
tx_flags |= TX_CMD_FLG_MORE_FRAG;
if (ieee80211_is_data_qos(fc)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
tx_cmd->tid_tspec = qc[0] & 0xf;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL;
} else {
tx_cmd->tid_tspec = IWL_TID_NON_QOS;
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
tx_flags |= TX_CMD_FLG_SEQ_CTL;
else
tx_flags &= ~TX_CMD_FLG_SEQ_CTL;
}
/* tid_tspec will default to 0 = BE when QOS isn't enabled */
ac = tid_to_mac80211_ac[tx_cmd->tid_tspec];
tx_flags |= iwl_mvm_bt_coex_tx_prio(mvm, hdr, info, ac) <<
TX_CMD_FLG_BT_PRIO_POS;
if (ieee80211_is_mgmt(fc)) {
if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc))
tx_cmd->pm_frame_timeout = cpu_to_le16(3);
else
tx_cmd->pm_frame_timeout = cpu_to_le16(2);
/* The spec allows Action frames in A-MPDU, we don't support
* it
*/
WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU);
} else if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
tx_cmd->pm_frame_timeout = cpu_to_le16(2);
} else {
tx_cmd->pm_frame_timeout = 0;
}
if (ieee80211_is_data(fc) && len > mvm->rts_threshold &&
!is_multicast_ether_addr(ieee80211_get_DA(hdr)))
tx_flags |= TX_CMD_FLG_PROT_REQUIRE;
tx_cmd->driver_txop = 0;
tx_cmd->tx_flags = cpu_to_le32(tx_flags);
/* Total # bytes to be transmitted */
tx_cmd->len = cpu_to_le16((u16)skb->len);
tx_cmd->next_frame_len = 0;
tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
tx_cmd->sta_id = sta_id;
}
/*
* This function handles AP interface specific events generated by firmware.
*
* Event specific routines are called by this function based
* upon the generated event cause.
*
*
* Events supported for AP -
* - EVENT_UAP_STA_ASSOC
* - EVENT_UAP_STA_DEAUTH
* - EVENT_UAP_BSS_ACTIVE
* - EVENT_UAP_BSS_START
* - EVENT_UAP_BSS_IDLE
* - EVENT_UAP_MIC_COUNTERMEASURES:
*/
int mwifiex_process_uap_event(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
int len, i;
u32 eventcause = adapter->event_cause;
struct station_info sinfo;
struct mwifiex_assoc_event *event;
struct mwifiex_sta_node *node;
u8 *deauth_mac;
struct host_cmd_ds_11n_batimeout *ba_timeout;
u16 ctrl;
switch (eventcause) {
case EVENT_UAP_STA_ASSOC:
memset(&sinfo, 0, sizeof(sinfo));
event = (struct mwifiex_assoc_event *)
(adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER);
if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) {
len = -1;
if (ieee80211_is_assoc_req(event->frame_control))
len = 0;
else if (ieee80211_is_reassoc_req(event->frame_control))
/* There will be ETH_ALEN bytes of
* current_ap_addr before the re-assoc ies.
*/
len = ETH_ALEN;
if (len != -1) {
sinfo.assoc_req_ies = &event->data[len];
len = (u8 *)sinfo.assoc_req_ies -
(u8 *)&event->frame_control;
sinfo.assoc_req_ies_len =
le16_to_cpu(event->len) - (u16)len;
}
}
cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo,
GFP_KERNEL);
node = mwifiex_add_sta_entry(priv, event->sta_addr);
if (!node) {
mwifiex_dbg(adapter, ERROR,
"could not create station entry!\n");
return -1;
}
if (!priv->ap_11n_enabled)
break;
mwifiex_set_sta_ht_cap(priv, sinfo.assoc_req_ies,
sinfo.assoc_req_ies_len, node);
for (i = 0; i < MAX_NUM_TID; i++) {
if (node->is_11n_enabled)
node->ampdu_sta[i] =
priv->aggr_prio_tbl[i].ampdu_user;
else
node->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
}
memset(node->rx_seq, 0xff, sizeof(node->rx_seq));
break;
case EVENT_UAP_STA_DEAUTH:
deauth_mac = adapter->event_body +
MWIFIEX_UAP_EVENT_EXTRA_HEADER;
cfg80211_del_sta(priv->netdev, deauth_mac, GFP_KERNEL);
if (priv->ap_11n_enabled) {
mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac);
mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac);
}
mwifiex_wmm_del_peer_ra_list(priv, deauth_mac);
mwifiex_del_sta_entry(priv, deauth_mac);
break;
case EVENT_UAP_BSS_IDLE:
priv->media_connected = false;
priv->port_open = false;
mwifiex_clean_txrx(priv);
mwifiex_del_all_sta_list(priv);
break;
case EVENT_UAP_BSS_ACTIVE:
priv->media_connected = true;
priv->port_open = true;
break;
case EVENT_UAP_BSS_START:
mwifiex_dbg(adapter, EVENT,
"AP EVENT: event id: %#x\n", eventcause);
priv->port_open = false;
memcpy(priv->netdev->dev_addr, adapter->event_body + 2,
ETH_ALEN);
if (priv->hist_data)
mwifiex_hist_data_reset(priv);
mwifiex_check_uap_capabilties(priv, adapter->event_skb);
break;
case EVENT_UAP_MIC_COUNTERMEASURES:
/* For future development */
mwifiex_dbg(adapter, EVENT,
"AP EVENT: event id: %#x\n", eventcause);
break;
case EVENT_AMSDU_AGGR_CTRL:
ctrl = le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_dbg(adapter, EVENT,
"event: AMSDU_AGGR_CTRL %d\n", ctrl);
if (priv->media_connected) {
adapter->tx_buf_size =
min_t(u16, adapter->curr_tx_buf_size, ctrl);
mwifiex_dbg(adapter, EVENT,
"event: tx_buf_size %d\n",
adapter->tx_buf_size);
}
break;
case EVENT_ADDBA:
mwifiex_dbg(adapter, EVENT, "event: ADDBA Request\n");
if (priv->media_connected)
mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP,
HostCmd_ACT_GEN_SET, 0,
adapter->event_body, false);
break;
case EVENT_DELBA:
mwifiex_dbg(adapter, EVENT, "event: DELBA Request\n");
if (priv->media_connected)
mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
break;
case EVENT_BA_STREAM_TIEMOUT:
mwifiex_dbg(adapter, EVENT, "event: BA Stream timeout\n");
if (priv->media_connected) {
ba_timeout = (void *)adapter->event_body;
mwifiex_11n_ba_stream_timeout(priv, ba_timeout);
}
break;
case EVENT_EXT_SCAN_REPORT:
mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n");
if (adapter->ext_scan)
return mwifiex_handle_event_ext_scan_report(priv,
adapter->event_skb->data);
break;
case EVENT_TX_STATUS_REPORT:
mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n");
mwifiex_parse_tx_status_event(priv, adapter->event_body);
break;
case EVENT_PS_SLEEP:
mwifiex_dbg(adapter, EVENT, "info: EVENT: SLEEP\n");
adapter->ps_state = PS_STATE_PRE_SLEEP;
mwifiex_check_ps_cond(adapter);
break;
case EVENT_PS_AWAKE:
mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n");
if (!adapter->pps_uapsd_mode &&
priv->media_connected && adapter->sleep_period.period) {
adapter->pps_uapsd_mode = true;
mwifiex_dbg(adapter, EVENT,
"event: PPS/UAPSD mode activated\n");
}
adapter->tx_lock_flag = false;
if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) {
if (mwifiex_check_last_packet_indication(priv)) {
if (adapter->data_sent ||
(adapter->if_ops.is_port_ready &&
!adapter->if_ops.is_port_ready(priv))) {
adapter->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_card_req = false;
adap
