diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_event.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/sta_event.c | 207 |
1 files changed, 206 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index 848de2621958..3d18c585e543 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -54,6 +54,7 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code) priv->media_connected = false; priv->scan_block = false; + priv->port_open = false; if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info)) { @@ -153,6 +154,7 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv, struct mwifiex_sta_node *sta_ptr; struct mwifiex_tdls_generic_event *tdls_evt = (void *)event_skb->data + sizeof(adapter->event_cause); + u8 *mac = tdls_evt->peer_mac; /* reserved 2 bytes are not mandatory in tdls event */ if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) - @@ -175,6 +177,59 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv, le16_to_cpu(tdls_evt->u.reason_code), GFP_KERNEL); break; + case TDLS_EVENT_CHAN_SWITCH_RESULT: + mwifiex_dbg(adapter, EVENT, "tdls channel switch result :\n"); + mwifiex_dbg(adapter, EVENT, + "status=0x%x, reason=0x%x cur_chan=%d\n", + tdls_evt->u.switch_result.status, + tdls_evt->u.switch_result.reason, + tdls_evt->u.switch_result.cur_chan); + + /* tdls channel switch failed */ + if (tdls_evt->u.switch_result.status != 0) { + switch (tdls_evt->u.switch_result.cur_chan) { + case TDLS_BASE_CHANNEL: + sta_ptr->tdls_status = TDLS_IN_BASE_CHAN; + break; + case TDLS_OFF_CHANNEL: + sta_ptr->tdls_status = TDLS_IN_OFF_CHAN; + break; + default: + break; + } + return ret; + } + + /* tdls channel switch success */ + switch (tdls_evt->u.switch_result.cur_chan) { + case TDLS_BASE_CHANNEL: + if (sta_ptr->tdls_status == TDLS_IN_BASE_CHAN) + break; + mwifiex_update_ralist_tx_pause_in_tdls_cs(priv, mac, + false); + sta_ptr->tdls_status = TDLS_IN_BASE_CHAN; + break; + case TDLS_OFF_CHANNEL: + if (sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) + break; + mwifiex_update_ralist_tx_pause_in_tdls_cs(priv, mac, + true); + sta_ptr->tdls_status = TDLS_IN_OFF_CHAN; + break; + default: + break; + } + + break; + case TDLS_EVENT_START_CHAN_SWITCH: + mwifiex_dbg(adapter, EVENT, "tdls start channel switch...\n"); + sta_ptr->tdls_status = TDLS_CHAN_SWITCHING; + break; + case TDLS_EVENT_CHAN_SWITCH_STOPPED: + mwifiex_dbg(adapter, EVENT, + "tdls chan switch stopped, reason=%d\n", + tdls_evt->u.cs_stop_reason); + break; default: break; } @@ -182,6 +237,145 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv, return ret; } +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; + u16 status; + + chan_info = (void *)event_skb->data + sizeof(u32); + + if (le16_to_cpu(chan_info->header.type) != TLV_TYPE_MULTI_CHAN_INFO) { + mwifiex_dbg(priv->adapter, ERROR, + "unknown TLV in chan_info event\n"); + return; + } + + status = le16_to_cpu(chan_info->status); + + if (status) { + mwifiex_dbg(priv->adapter, EVENT, + "multi-channel operation started\n"); + } else { + mwifiex_dbg(priv->adapter, EVENT, + "multi-channel operation over\n"); + } +} + +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 */ @@ -359,7 +553,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) case EVENT_PS_AWAKE: mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n"); - if (!adapter->pps_uapsd_mode && + if (!adapter->pps_uapsd_mode && priv->port_open && priv->media_connected && adapter->sleep_period.period) { adapter->pps_uapsd_mode = true; mwifiex_dbg(adapter, EVENT, @@ -438,6 +632,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) case EVENT_PORT_RELEASE: mwifiex_dbg(adapter, EVENT, "event: PORT RELEASE\n"); + priv->port_open = true; break; case EVENT_EXT_SCAN_REPORT: @@ -573,6 +768,16 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) ret = mwifiex_parse_tdls_event(priv, adapter->event_skb); break; + case EVENT_TX_DATA_PAUSE: + mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n"); + mwifiex_process_tx_pause_event(priv, adapter->event_skb); + break; + + case EVENT_MULTI_CHAN_INFO: + mwifiex_dbg(adapter, EVENT, "event: multi-chan info\n"); + mwifiex_process_multi_chan_event(priv, adapter->event_skb); + break; + case EVENT_TX_STATUS_REPORT: mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n"); mwifiex_parse_tx_status_event(priv, adapter->event_body); |