diff options
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/sta_event.c')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/sta_event.c | 144 |
1 files changed, 142 insertions, 2 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_event.c b/drivers/net/wireless/marvell/mwifiex/sta_event.c index a422f3306d4d..9df0c4dc06ed 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_event.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_event.c @@ -25,6 +25,99 @@ #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. * @@ -519,6 +612,8 @@ void mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv, * - 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 @@ -547,9 +642,11 @@ void mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv, 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: @@ -708,7 +805,11 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) 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); @@ -771,6 +872,39 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) 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, @@ -869,6 +1003,12 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) 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); |