+static void mwifiex_process_uap_tx_pause(struct mwifiex_private *priv,
+ struct mwifiex_ie_types_header *tlv)
+{
+ struct mwifiex_tx_pause_tlv *tp;
+ struct mwifiex_sta_node *sta_ptr;
+ unsigned long flags;
+
+ tp = (void *)tlv;
+ mwifiex_dbg(priv->adapter, EVENT,
+ "uap tx_pause: %pM pause=%d, pkts=%d\n",
+ tp->peermac, tp->tx_pause,
+ tp->pkt_cnt);
+
+ if (ether_addr_equal(tp->peermac, priv->netdev->dev_addr)) {
+ if (tp->tx_pause)
+ priv->port_open = false;
+ else
+ priv->port_open = true;
+ } else if (is_multicast_ether_addr(tp->peermac)) {
+ mwifiex_update_ralist_tx_pause(priv, tp->peermac, tp->tx_pause);
+ } else {
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ sta_ptr = mwifiex_get_sta_entry(priv, tp->peermac);
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+ if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) {
+ sta_ptr->tx_pause = tp->tx_pause;
+ mwifiex_update_ralist_tx_pause(priv, tp->peermac,
+ tp->tx_pause);
+ }
+ }
+}
+
+static void mwifiex_process_sta_tx_pause(struct mwifiex_private *priv,
+ struct mwifiex_ie_types_header *tlv)
+{
+ struct mwifiex_tx_pause_tlv *tp;
+ struct mwifiex_sta_node *sta_ptr;
+ int status;
+ unsigned long flags;
+
+ tp = (void *)tlv;
+ mwifiex_dbg(priv->adapter, EVENT,
+ "sta tx_pause: %pM pause=%d, pkts=%d\n",
+ tp->peermac, tp->tx_pause,
+ tp->pkt_cnt);
+
+ if (ether_addr_equal(tp->peermac, priv->cfg_bssid)) {
+ if (tp->tx_pause)
+ priv->port_open = false;
+ else
+ priv->port_open = true;
+ } else {
+ if (!ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+ return;
+
+ status = mwifiex_get_tdls_link_status(priv, tp->peermac);
+ if (mwifiex_is_tdls_link_setup(status)) {
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ sta_ptr = mwifiex_get_sta_entry(priv, tp->peermac);
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+ if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) {
+ sta_ptr->tx_pause = tp->tx_pause;
+ mwifiex_update_ralist_tx_pause(priv,
+ tp->peermac,
+ tp->tx_pause);
+ }
+ }
+ }
+}
+
+void mwifiex_process_multi_chan_event(struct mwifiex_private *priv,
+ struct sk_buff *event_skb)
+{
+ struct mwifiex_ie_types_multi_chan_info *chan_info;
+ struct mwifiex_ie_types_mc_group_info *grp_info;
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct mwifiex_ie_types_header *tlv;
+ u16 tlv_buf_left, tlv_type, tlv_len;
+ int intf_num, bss_type, bss_num, i;
+ struct mwifiex_private *intf_priv;
+
+ tlv_buf_left = event_skb->len - sizeof(u32);
+ chan_info = (void *)event_skb->data + sizeof(u32);
+
+ if (le16_to_cpu(chan_info->header.type) != TLV_TYPE_MULTI_CHAN_INFO ||
+ tlv_buf_left < sizeof(struct mwifiex_ie_types_multi_chan_info)) {
+ mwifiex_dbg(adapter, ERROR,
+ "unknown TLV in chan_info event\n");
+ return;
+ }
+
+ adapter->usb_mc_status = le16_to_cpu(chan_info->status);
+ mwifiex_dbg(adapter, EVENT, "multi chan operation %s\n",
+ adapter->usb_mc_status ? "started" : "over");
+
+ tlv_buf_left -= sizeof(struct mwifiex_ie_types_multi_chan_info);
+ tlv = (struct mwifiex_ie_types_header *)chan_info->tlv_buffer;
+
+ while (tlv_buf_left >= (int)sizeof(struct mwifiex_ie_types_header)) {
+ tlv_type = le16_to_cpu(tlv->type);
+ tlv_len = le16_to_cpu(tlv->len);
+ if ((sizeof(struct mwifiex_ie_types_header) + tlv_len) >
+ tlv_buf_left) {
+ mwifiex_dbg(adapter, ERROR, "wrong tlv: tlvLen=%d,\t"
+ "tlvBufLeft=%d\n", tlv_len, tlv_buf_left);
+ break;
+ }
+ if (tlv_type != TLV_TYPE_MC_GROUP_INFO) {
+ mwifiex_dbg(adapter, ERROR, "wrong tlv type: 0x%x\n",
+ tlv_type);
+ break;
+ }
+
+ grp_info = (struct mwifiex_ie_types_mc_group_info *)tlv;
+ intf_num = grp_info->intf_num;
+ for (i = 0; i < intf_num; i++) {
+ bss_type = grp_info->bss_type_numlist[i] >> 4;
+ bss_num = grp_info->bss_type_numlist[i] & BSS_NUM_MASK;
+ intf_priv = mwifiex_get_priv_by_id(adapter, bss_num,
+ bss_type);
+ if (!intf_priv) {
+ mwifiex_dbg(adapter, ERROR,
+ "Invalid bss_type bss_num\t"
+ "in multi channel event\n");
+ continue;
+ }
+ if (adapter->iface_type == MWIFIEX_USB) {
+ u8 ep;
+
+ ep = grp_info->hid_num.usb_ep_num;
+ if (ep == MWIFIEX_USB_EP_DATA ||
+ ep == MWIFIEX_USB_EP_DATA_CH2)
+ intf_priv->usb_port = ep;
+ }
+ }
+
+ tlv_buf_left -= sizeof(struct mwifiex_ie_types_header) +
+ tlv_len;
+ tlv = (void *)((u8 *)tlv + tlv_len +
+ sizeof(struct mwifiex_ie_types_header));
+ }
+
+ if (adapter->iface_type == MWIFIEX_USB) {
+ adapter->tx_lock_flag = true;
+ adapter->usb_mc_setup = true;
+ mwifiex_multi_chan_resync(adapter);
+ }
+}
+
+void mwifiex_process_tx_pause_event(struct mwifiex_private *priv,
+ struct sk_buff *event_skb)
+{
+ struct mwifiex_ie_types_header *tlv;
+ u16 tlv_type, tlv_len;
+ int tlv_buf_left;
+
+ if (!priv->media_connected) {
+ mwifiex_dbg(priv->adapter, ERROR,
+ "tx_pause event while disconnected; bss_role=%d\n",
+ priv->bss_role);
+ return;
+ }
+
+ tlv_buf_left = event_skb->len - sizeof(u32);
+ tlv = (void *)event_skb->data + sizeof(u32);
+
+ while (tlv_buf_left >= (int)sizeof(struct mwifiex_ie_types_header)) {
+ tlv_type = le16_to_cpu(tlv->type);
+ tlv_len = le16_to_cpu(tlv->len);
+ if ((sizeof(struct mwifiex_ie_types_header) + tlv_len) >
+ tlv_buf_left) {
+ mwifiex_dbg(priv->adapter, ERROR,
+ "wrong tlv: tlvLen=%d, tlvBufLeft=%d\n",
+ tlv_len, tlv_buf_left);
+ break;
+ }
+ if (tlv_type == TLV_TYPE_TX_PAUSE) {
+ if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA)
+ mwifiex_process_sta_tx_pause(priv, tlv);
+ else
+ mwifiex_process_uap_tx_pause(priv, tlv);
+ }
+
+ tlv_buf_left -= sizeof(struct mwifiex_ie_types_header) +
+ tlv_len;
+ tlv = (void *)((u8 *)tlv + tlv_len +
+ sizeof(struct mwifiex_ie_types_header));
+ }
+
+}
+
+/*
+* This function handles coex events generated by firmware
+*/
+void mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv,
+ struct sk_buff *event_skb)
+{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct mwifiex_ie_types_header *tlv;
+ struct mwifiex_ie_types_btcoex_aggr_win_size *winsizetlv;
+ struct mwifiex_ie_types_btcoex_scan_time *scantlv;
+ s32 len = event_skb->len - sizeof(u32);
+ u8 *cur_ptr = event_skb->data + sizeof(u32);
+ u16 tlv_type, tlv_len;
+
+ while (len >= sizeof(struct mwifiex_ie_types_header)) {
+ tlv = (struct mwifiex_ie_types_header *)cur_ptr;
+ tlv_len = le16_to_cpu(tlv->len);
+ tlv_type = le16_to_cpu(tlv->type);
+
+ if ((tlv_len + sizeof(struct mwifiex_ie_types_header)) > len)
+ break;
+ switch (tlv_type) {
+ case TLV_BTCOEX_WL_AGGR_WINSIZE:
+ winsizetlv =
+ (struct mwifiex_ie_types_btcoex_aggr_win_size *)tlv;
+ adapter->coex_win_size = winsizetlv->coex_win_size;
+ adapter->coex_tx_win_size =
+ winsizetlv->tx_win_size;
+ adapter->coex_rx_win_size =
+ winsizetlv->rx_win_size;
+ mwifiex_coex_ampdu_rxwinsize(adapter);
+ mwifiex_update_ampdu_txwinsize(adapter);
+ break;
+
+ case TLV_BTCOEX_WL_SCANTIME:
+ scantlv =
+ (struct mwifiex_ie_types_btcoex_scan_time *)tlv;
+ adapter->coex_scan = scantlv->coex_scan;
+ adapter->coex_min_scan_time = scantlv->min_scan_time;
+ adapter->coex_max_scan_time = scantlv->max_scan_time;
+ break;
+
+ default:
+ break;
+ }
+
+ len -= tlv_len + sizeof(struct mwifiex_ie_types_header);
+ cur_ptr += tlv_len +
+ sizeof(struct mwifiex_ie_types_header);
+ }
+
+ dev_dbg(adapter->dev, "coex_scan=%d min_scan=%d coex_win=%d, tx_win=%d rx_win=%d\n",
+ adapter->coex_scan, adapter->coex_min_scan_time,
+ adapter->coex_win_size, adapter->coex_tx_win_size,
+ adapter->coex_rx_win_size);
+}
+