#include "wmm.h"
#include "11n.h"
+#define MWIFIEX_IBSS_CONNECT_EVT_FIX_SIZE 12
+
+static int mwifiex_check_ibss_peer_capabilties(struct mwifiex_private *priv,
+ struct mwifiex_sta_node *sta_ptr,
+ struct sk_buff *event)
+{
+ int evt_len, ele_len;
+ u8 *curr;
+ struct ieee_types_header *ele_hdr;
+ struct mwifiex_ie_types_mgmt_frame *tlv_mgmt_frame;
+ const struct ieee80211_ht_cap *ht_cap;
+ const struct ieee80211_vht_cap *vht_cap;
+
+ skb_pull(event, MWIFIEX_IBSS_CONNECT_EVT_FIX_SIZE);
+ evt_len = event->len;
+ curr = event->data;
+
+ mwifiex_dbg_dump(priv->adapter, EVT_D, "ibss peer capabilties:",
+ event->data, event->len);
+
+ skb_push(event, MWIFIEX_IBSS_CONNECT_EVT_FIX_SIZE);
+
+ tlv_mgmt_frame = (void *)curr;
+ if (evt_len >= sizeof(*tlv_mgmt_frame) &&
+ le16_to_cpu(tlv_mgmt_frame->header.type) ==
+ TLV_TYPE_UAP_MGMT_FRAME) {
+ /* Locate curr pointer to the start of beacon tlv,
+ * timestamp 8 bytes, beacon intervel 2 bytes,
+ * capability info 2 bytes, totally 12 byte beacon header
+ */
+ evt_len = le16_to_cpu(tlv_mgmt_frame->header.len);
+ curr += (sizeof(*tlv_mgmt_frame) + 12);
+ } else {
+ mwifiex_dbg(priv->adapter, MSG,
+ "management frame tlv not found!\n");
+ return 0;
+ }
+
+ while (evt_len >= sizeof(*ele_hdr)) {
+ ele_hdr = (struct ieee_types_header *)curr;
+ ele_len = ele_hdr->len;
+
+ if (evt_len < ele_len + sizeof(*ele_hdr))
+ break;
+
+ switch (ele_hdr->element_id) {
+ case WLAN_EID_HT_CAPABILITY:
+ sta_ptr->is_11n_enabled = true;
+ ht_cap = (void *)(ele_hdr + 2);
+ sta_ptr->max_amsdu = le16_to_cpu(ht_cap->cap_info) &
+ IEEE80211_HT_CAP_MAX_AMSDU ?
+ MWIFIEX_TX_DATA_BUF_SIZE_8K :
+ MWIFIEX_TX_DATA_BUF_SIZE_4K;
+ mwifiex_dbg(priv->adapter, INFO,
+ "11n enabled!, max_amsdu : %d\n",
+ sta_ptr->max_amsdu);
+ break;
+
+ case WLAN_EID_VHT_CAPABILITY:
+ sta_ptr->is_11ac_enabled = true;
+ vht_cap = (void *)(ele_hdr + 2);
+ /* check VHT MAXMPDU capability */
+ switch (le32_to_cpu(vht_cap->vht_cap_info) & 0x3) {
+ case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
+ sta_ptr->max_amsdu =
+ MWIFIEX_TX_DATA_BUF_SIZE_12K;
+ break;
+ case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
+ sta_ptr->max_amsdu =
+ MWIFIEX_TX_DATA_BUF_SIZE_8K;
+ break;
+ case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
+ sta_ptr->max_amsdu =
+ MWIFIEX_TX_DATA_BUF_SIZE_4K;
+ default:
+ break;
+ }
+
+ mwifiex_dbg(priv->adapter, INFO,
+ "11ac enabled!, max_amsdu : %d\n",
+ sta_ptr->max_amsdu);
+ break;
+ default:
+ break;
+ }
+
+ curr += (ele_len + sizeof(*ele_hdr));
+ evt_len -= (ele_len + sizeof(*ele_hdr));
+ }
+
+ return 0;
+}
+
/*
* This function resets the connection state.
*
* - EVENT_LINK_QUALITY
* - EVENT_PRE_BEACON_LOST
* - EVENT_IBSS_COALESCED
+ * - EVENT_IBSS_STA_CONNECT
+ * - EVENT_IBSS_STA_DISCONNECT
* - EVENT_WEP_ICV_ERR
* - EVENT_BW_CHANGE
* - EVENT_HOSTWAKE_STAIE
int mwifiex_process_sta_event(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
- int ret = 0;
+ int ret = 0, i;
u32 eventcause = adapter->event_cause;
u16 ctrl, reason_code;
+ u8 ibss_sta_addr[ETH_ALEN];
+ struct mwifiex_sta_node *sta_ptr;
switch (eventcause) {
case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
case EVENT_EXT_SCAN_REPORT:
mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n");
- if (adapter->ext_scan && !priv->scan_aborting)
+ /* We intend to skip this event during suspend, but handle
+ * it in interface disabled case
+ */
+ if (adapter->ext_scan && (!priv->scan_aborting ||
+ !netif_running(priv->netdev)))
ret = mwifiex_handle_event_ext_scan_report(priv,
adapter->event_skb->data);
HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
HostCmd_ACT_GEN_GET, 0, NULL, false);
break;
+ case EVENT_IBSS_STA_CONNECT:
+ ether_addr_copy(ibss_sta_addr, adapter->event_body + 2);
+ mwifiex_dbg(adapter, EVENT, "event: IBSS_STA_CONNECT %pM\n",
+ ibss_sta_addr);
+ sta_ptr = mwifiex_add_sta_entry(priv, ibss_sta_addr);
+ if (sta_ptr && adapter->adhoc_11n_enabled) {
+ mwifiex_check_ibss_peer_capabilties(priv, sta_ptr,
+ adapter->event_skb);
+ if (sta_ptr->is_11n_enabled)
+ for (i = 0; i < MAX_NUM_TID; i++)
+ sta_ptr->ampdu_sta[i] =
+ priv->aggr_prio_tbl[i].ampdu_user;
+ else
+ for (i = 0; i < MAX_NUM_TID; i++)
+ sta_ptr->ampdu_sta[i] =
+ BA_STREAM_NOT_ALLOWED;
+ memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq));
+ }
+
+ break;
+ case EVENT_IBSS_STA_DISCONNECT:
+ ether_addr_copy(ibss_sta_addr, adapter->event_body + 2);
+ mwifiex_dbg(adapter, EVENT, "event: IBSS_STA_DISCONNECT %pM\n",
+ ibss_sta_addr);
+ sta_ptr = mwifiex_get_sta_entry(priv, ibss_sta_addr);
+ if (sta_ptr && sta_ptr->is_11n_enabled) {
+ mwifiex_11n_del_rx_reorder_tbl_by_ta(priv,
+ ibss_sta_addr);
+ mwifiex_del_tx_ba_stream_tbl_by_ra(priv, ibss_sta_addr);
+ }
+ mwifiex_wmm_del_peer_ra_list(priv, ibss_sta_addr);
+ mwifiex_del_sta_entry(priv, ibss_sta_addr);
+ break;
case EVENT_ADDBA:
mwifiex_dbg(adapter, EVENT, "event: ADDBA Request\n");
mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP,
mwifiex_bt_coex_wlan_param_update_event(priv,
adapter->event_skb);
break;
+ case EVENT_RXBA_SYNC:
+ dev_dbg(adapter->dev, "EVENT: RXBA_SYNC\n");
+ mwifiex_11n_rxba_sync_event(priv, adapter->event_body,
+ adapter->event_skb->len -
+ sizeof(eventcause));
+ break;
default:
mwifiex_dbg(adapter, ERROR, "event: unknown event id: %#x\n",
eventcause);
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