/*
* CFG802.11 network device handler for setting MAC address.
*/
static int
mwifiex_set_mac_address(struct net_device *dev, void *addr)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct sockaddr *hw_addr = addr;
int ret;
memcpy(priv->curr_addr, hw_addr->sa_data, ETH_ALEN);
/* Send request to firmware */
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_MAC_ADDRESS,
HostCmd_ACT_GEN_SET, 0, NULL, true);
if (!ret)
memcpy(priv->netdev->dev_addr, priv->curr_addr, ETH_ALEN);
else
dev_err(priv->adapter->dev,
"set mac address failed: ret=%d\n", ret);
memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN);
return ret;
}
void mwifiex_multi_chan_resync(struct mwifiex_adapter *adapter)
{
struct usb_card_rec *card = adapter->card;
struct mwifiex_private *priv;
u16 tx_buf_size;
int i, ret;
card->mc_resync_flag = true;
for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
if (atomic_read(&card->port[i].tx_data_urb_pending)) {
mwifiex_dbg(adapter, WARN, "pending data urb in sys\n");
return;
}
}
card->mc_resync_flag = false;
tx_buf_size = 0xffff;
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
ret = mwifiex_send_cmd(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF,
HostCmd_ACT_GEN_SET, 0, &tx_buf_size, false);
if (ret)
mwifiex_dbg(adapter, ERROR,
"send reconfig tx buf size cmd err\n");
}
/*
* This function handles events generated by firmware.
*
* This is a generic function and handles all events.
*
* Event specific routines are called by this function based
* upon the generated event cause.
*
* For the following events, the function just forwards them to upper
* layers, optionally recording the change -
* - EVENT_LINK_SENSED
* - EVENT_MIC_ERR_UNICAST
* - EVENT_MIC_ERR_MULTICAST
* - EVENT_PORT_RELEASE
* - EVENT_RSSI_LOW
* - EVENT_SNR_LOW
* - EVENT_MAX_FAIL
* - EVENT_RSSI_HIGH
* - EVENT_SNR_HIGH
* - EVENT_DATA_RSSI_LOW
* - EVENT_DATA_SNR_LOW
* - EVENT_DATA_RSSI_HIGH
* - EVENT_DATA_SNR_HIGH
* - 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
*
* For the following events, no action is taken -
* - EVENT_MIB_CHANGED
* - EVENT_INIT_DONE
* - EVENT_DUMMY_HOST_WAKEUP_SIGNAL
*
* Rest of the supported events requires driver handling -
* - EVENT_DEAUTHENTICATED
* - EVENT_DISASSOCIATED
* - EVENT_LINK_LOST
* - EVENT_PS_SLEEP
* - EVENT_PS_AWAKE
* - EVENT_DEEP_SLEEP_AWAKE
* - EVENT_HS_ACT_REQ
* - EVENT_ADHOC_BCN_LOST
* - EVENT_BG_SCAN_REPORT
* - EVENT_WMM_STATUS_CHANGE
* - EVENT_ADDBA
* - EVENT_DELBA
* - EVENT_BA_STREAM_TIEMOUT
* - EVENT_AMSDU_AGGR_CTRL
* - EVENT_FW_DUMP_INFO
*/
int mwifiex_process_sta_event(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
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:
mwifiex_dbg(adapter, ERROR,
"invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL, ignore it\n");
break;
case EVENT_LINK_SENSED:
mwifiex_dbg(adapter, EVENT, "event: LINK_SENSED\n");
if (!netif_carrier_ok(priv->netdev))
netif_carrier_on(priv->netdev);
mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
break;
case EVENT_DEAUTHENTICATED:
mwifiex_dbg(adapter, EVENT, "event: Deauthenticated\n");
if (priv->wps.session_enable) {
mwifiex_dbg(adapter, INFO,
"info: receive deauth event in wps session\n");
break;
}
adapter->dbg.num_event_deauth++;
if (priv->media_connected) {
reason_code =
get_unaligned_le16(adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code, true);
}
break;
case EVENT_DISASSOCIATED:
mwifiex_dbg(adapter, EVENT, "event: Disassociated\n");
if (priv->wps.session_enable) {
mwifiex_dbg(adapter, INFO,
"info: receive disassoc event in wps session\n");
break;
}
adapter->dbg.num_event_disassoc++;
if (priv->media_connected) {
reason_code =
get_unaligned_le16(adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code, true);
}
break;
case EVENT_LINK_LOST:
mwifiex_dbg(adapter, EVENT, "event: Link lost\n");
adapter->dbg.num_event_link_lost++;
if (priv->media_connected) {
reason_code =
get_unaligned_le16(adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code, true);
}
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->port_open ||
(priv->bss_mode == NL80211_IFTYPE_ADHOC)) &&
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;
adapter->pm_wakeup_fw_try = false;
del_timer(&adapter->wakeup_timer);
break;
}
if (!mwifiex_send_null_packet
(priv,
MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET |
MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET))
adapter->ps_state =
PS_STATE_SLEEP;
return 0;
}
}
adapter->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_card_req = false;
adapter->pm_wakeup_fw_try = false;
del_timer(&adapter->wakeup_timer);
break;
case EVENT_DEEP_SLEEP_AWAKE:
adapter->if_ops.wakeup_complete(adapter);
mwifiex_dbg(adapter, EVENT, "event: DS_AWAKE\n");
if (adapter->is_deep_sleep)
adapter->is_deep_sleep = false;
break;
case EVENT_HS_ACT_REQ:
mwifiex_dbg(adapter, EVENT, "event: HS_ACT_REQ\n");
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH,
0, 0, NULL, false);
break;
case EVENT_MIC_ERR_UNICAST:
mwifiex_dbg(adapter, EVENT, "event: UNICAST MIC ERROR\n");
cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
NL80211_KEYTYPE_PAIRWISE,
-1, NULL, GFP_KERNEL);
break;
case EVENT_MIC_ERR_MULTICAST:
mwifiex_dbg(adapter, EVENT, "event: MULTICAST MIC ERROR\n");
cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
NL80211_KEYTYPE_GROUP,
-1, NULL, GFP_KERNEL);
break;
case EVENT_MIB_CHANGED:
case EVENT_INIT_DONE:
break;
case EVENT_ADHOC_BCN_LOST:
mwifiex_dbg(adapter, EVENT, "event: ADHOC_BCN_LOST\n");
priv->adhoc_is_link_sensed = false;
mwifiex_clean_txrx(priv);
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
break;
case EVENT_BG_SCAN_REPORT:
mwifiex_dbg(adapter, EVENT, "event: BGS_REPORT\n");
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_QUERY,
HostCmd_ACT_GEN_GET, 0, NULL, false);
break;
case EVENT_BG_SCAN_STOPPED:
dev_dbg(adapter->dev, "event: BGS_STOPPED\n");
cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0);
if (priv->sched_scanning)
priv->sched_scanning = false;
break;
case EVENT_PORT_RELEASE:
mwifiex_dbg(adapter, EVENT, "event: PORT RELEASE\n");
priv->port_open = true;
break;
case EVENT_EXT_SCAN_REPORT:
mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n");
/* 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);
break;
case EVENT_WMM_STATUS_CHANGE:
mwifiex_dbg(adapter, EVENT, "event: WMM status changed\n");
ret = mwifiex_send_cmd(priv, HostCmd_CMD_WMM_GET_STATUS,
0, 0, NULL, false);
break;
case EVENT_RSSI_LOW:
cfg80211_cqm_rssi_notify(priv->netdev,
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
0, GFP_KERNEL);
mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
HostCmd_ACT_GEN_GET, 0, NULL, false);
priv->subsc_evt_rssi_state = RSSI_LOW_RECVD;
mwifiex_dbg(adapter, EVENT, "event: Beacon RSSI_LOW\n");
break;
case EVENT_SNR_LOW:
mwifiex_dbg(adapter, EVENT, "event: Beacon SNR_LOW\n");
break;
case EVENT_MAX_FAIL:
mwifiex_dbg(adapter, EVENT, "event: MAX_FAIL\n");
break;
case EVENT_RSSI_HIGH:
cfg80211_cqm_rssi_notify(priv->netdev,
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
0, GFP_KERNEL);
mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
HostCmd_ACT_GEN_GET, 0, NULL, false);
priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD;
mwifiex_dbg(adapter, EVENT, "event: Beacon RSSI_HIGH\n");
break;
case EVENT_SNR_HIGH:
mwifiex_dbg(adapter, EVENT, "event: Beacon SNR_HIGH\n");
break;
case EVENT_DATA_RSSI_LOW:
mwifiex_dbg(adapter, EVENT, "event: Data RSSI_LOW\n");
break;
case EVENT_DATA_SNR_LOW:
mwifiex_dbg(adapter, EVENT, "event: Data SNR_LOW\n");
break;
case EVENT_DATA_RSSI_HIGH:
mwifiex_dbg(adapter, EVENT, "event: Data RSSI_HIGH\n");
break;
case EVENT_DATA_SNR_HIGH:
mwifiex_dbg(adapter, EVENT, "event: Data SNR_HIGH\n");
break;
case EVENT_LINK_QUALITY:
mwifiex_dbg(adapter, EVENT, "event: Link Quality\n");
break;
case EVENT_PRE_BEACON_LOST:
mwifiex_dbg(adapter, EVENT, "event: Pre-Beacon Lost\n");
break;
case EVENT_IBSS_COALESCED:
mwifiex_dbg(adapter, EVENT, "event: IBSS_COALESCED\n");
ret = mwifiex_send_cmd(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,
HostCmd_ACT_GEN_SET, 0,
adapter->event_body, false);
break;
case EVENT_DELBA:
mwifiex_dbg(adapter, EVENT, "event: DELBA Request\n");
mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
break;
case EVENT_BA_STREAM_TIEMOUT:
mwifiex_dbg(adapter, EVENT, "event: BA Stream timeout\n");
mwifiex_11n_ba_stream_timeout(priv,
(struct host_cmd_ds_11n_batimeout
*)
adapter->event_body);
break;
case EVENT_AMSDU_AGGR_CTRL:
ctrl = get_unaligned_le16(adapter->event_body);
mwifiex_dbg(adapter, EVENT,
"event: AMSDU_AGGR_CTRL %d\n", ctrl);
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_WEP_ICV_ERR:
mwifiex_dbg(adapter, EVENT, "event: WEP ICV error\n");
break;
case EVENT_BW_CHANGE:
mwifiex_dbg(adapter, EVENT, "event: BW Change\n");
break;
case EVENT_HOSTWAKE_STAIE:
mwifiex_dbg(adapter, EVENT,
"event: HOSTWAKE_STAIE %d\n", eventcause);
break;
case EVENT_REMAIN_ON_CHAN_EXPIRED:
mwifiex_dbg(adapter, EVENT,
"event: Remain on channel expired\n");
cfg80211_remain_on_channel_expired(&priv->wdev,
priv->roc_cfg.cookie,
&priv->roc_cfg.chan,
GFP_ATOMIC);
memset(&priv->roc_cfg, 0x00, sizeof(struct mwifiex_roc_cfg));
break;
case EVENT_CHANNEL_SWITCH_ANN:
mwifiex_dbg(adapter, EVENT, "event: Channel Switch Announcement\n");
priv->csa_expire_time =
jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME);
priv->csa_chan = priv->curr_bss_params.bss_descriptor.channel;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE,
HostCmd_ACT_GEN_SET, 0,
priv->curr_bss_params.bss_descriptor.mac_address,
false);
break;
case EVENT_TDLS_GENERIC_EVENT:
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);
break;
case EVENT_CHANNEL_REPORT_RDY:
mwifiex_dbg(adapter, EVENT, "event: Channel Report\n");
ret = mwifiex_11h_handle_chanrpt_ready(priv,
adapter->event_skb);
break;
case EVENT_RADAR_DETECTED:
mwifiex_dbg(adapter, EVENT, "event: Radar detected\n");
ret = mwifiex_11h_handle_radar_detected(priv,
adapter->event_skb);
break;
case EVENT_BT_COEX_WLAN_PARA_CHANGE:
dev_dbg(adapter->dev, "EVENT: BT coex wlan param update\n");
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;
case EVENT_FW_DUMP_INFO:
mwifiex_dbg(adapter, EVENT, "event: firmware debug info\n");
mwifiex_fw_dump_info_event(priv, adapter->event_skb);
break;
/* Debugging event; not used, but let's not print an ERROR for it. */
case EVENT_UNKNOWN_DEBUG:
mwifiex_dbg(adapter, EVENT, "event: debug\n");
break;
default:
mwifiex_dbg(adapter, ERROR, "event: unknown event id: %#x\n",
eventcause);
break;
}
return ret;
}
/*
* This function resets the connection state.
*
* The function is invoked after receiving a disconnect event from firmware,
* and performs the following actions -
* - Set media status to disconnected
* - Clean up Tx and Rx packets
* - Resets SNR/NF/RSSI value in driver
* - Resets security configurations in driver
* - Enables auto data rate
* - Saves the previous SSID and BSSID so that they can
* be used for re-association, if required
* - Erases current SSID and BSSID information
* - Sends a disconnect event to upper layers/applications.
*/
void mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code,
bool from_ap)
{
struct mwifiex_adapter *adapter = priv->adapter;
if (!priv->media_connected)
return;
mwifiex_dbg(adapter, INFO,
"info: handles disconnect event\n");
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)) {
mwifiex_disable_all_tdls_links(priv);
if (priv->adapter->auto_tdls)
mwifiex_clean_auto_tdls(priv);
}
/* Free Tx and Rx packets, report disconnect to upper layer */
mwifiex_clean_txrx(priv);
/* Reset SNR/NF/RSSI values */
priv->data_rssi_last = 0;
priv->data_nf_last = 0;
priv->data_rssi_avg = 0;
priv->data_nf_avg = 0;
priv->bcn_rssi_last = 0;
priv->bcn_nf_last = 0;
priv->bcn_rssi_avg = 0;
priv->bcn_nf_avg = 0;
priv->rxpd_rate = 0;
priv->rxpd_htinfo = 0;
priv->sec_info.wpa_enabled = false;
priv->sec_info.wpa2_enabled = false;
priv->wpa_ie_len = 0;
priv->sec_info.wapi_enabled = false;
priv->wapi_ie_len = 0;
priv->sec_info.wapi_key_on = false;
priv->sec_info.encryption_mode = 0;
/* Enable auto data rate */
priv->is_data_rate_auto = true;
priv->data_rate = 0;
priv->assoc_resp_ht_param = 0;
priv->ht_param_present = false;
if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) && priv->hist_data)
mwifiex_hist_data_reset(priv);
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
priv->adhoc_state = ADHOC_IDLE;
priv->adhoc_is_link_sensed = false;
}
/*
* Memorize the previous SSID and BSSID so
* it could be used for re-assoc
*/
mwifiex_dbg(adapter, INFO,
"info: previous SSID=%s, SSID len=%u\n",
priv->prev_ssid.ssid, priv->prev_ssid.ssid_len);
mwifiex_dbg(adapter, INFO,
"info: current SSID=%s, SSID len=%u\n",
priv->curr_bss_params.bss_descriptor.ssid.ssid,
priv->curr_bss_params.bss_descriptor.ssid.ssid_len);
memcpy(&priv->prev_ssid,
&priv->curr_bss_params.bss_descriptor.ssid,
sizeof(struct cfg80211_ssid));
memcpy(priv->prev_bssid,
priv->curr_bss_params.bss_descriptor.mac_address, ETH_ALEN);
/* Need to erase the current SSID and BSSID info */
memset(&priv->curr_bss_params, 0x00, sizeof(priv->curr_bss_params));
adapter->tx_lock_flag = false;
adapter->pps_uapsd_mode = false;
if (test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags) &&
adapter->curr_cmd)
return;
priv->media_connected = false;
mwifiex_dbg(adapter, MSG,
"info: successfully disconnected from %pM: reason code %d\n",
priv->cfg_bssid, reason_code);
if (priv->bss_mode == NL80211_IFTYPE_STATION ||
priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
cfg80211_disconnected(priv->netdev, reason_code, NULL, 0,
!from_ap, GFP_KERNEL);
}
eth_zero_addr(priv->cfg_bssid);
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
return;
mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
HostCmd_ACT_GEN_REMOVE, 0, NULL, false);
}
/*
* This function handles events generated by firmware.
*
* This is a generic function and handles all events.
*
* Event specific routines are called by this function based
* upon the generated event cause.
*
* For the following events, the function just forwards them to upper
* layers, optionally recording the change -
* - EVENT_LINK_SENSED
* - EVENT_MIC_ERR_UNICAST
* - EVENT_MIC_ERR_MULTICAST
* - EVENT_PORT_RELEASE
* - EVENT_RSSI_LOW
* - EVENT_SNR_LOW
* - EVENT_MAX_FAIL
* - EVENT_RSSI_HIGH
* - EVENT_SNR_HIGH
* - EVENT_DATA_RSSI_LOW
* - EVENT_DATA_SNR_LOW
* - EVENT_DATA_RSSI_HIGH
* - EVENT_DATA_SNR_HIGH
* - EVENT_LINK_QUALITY
* - EVENT_PRE_BEACON_LOST
* - EVENT_IBSS_COALESCED
* - EVENT_WEP_ICV_ERR
* - EVENT_BW_CHANGE
* - EVENT_HOSTWAKE_STAIE
*
* For the following events, no action is taken -
* - EVENT_MIB_CHANGED
* - EVENT_INIT_DONE
* - EVENT_DUMMY_HOST_WAKEUP_SIGNAL
*
* Rest of the supported events requires driver handling -
* - EVENT_DEAUTHENTICATED
* - EVENT_DISASSOCIATED
* - EVENT_LINK_LOST
* - EVENT_PS_SLEEP
* - EVENT_PS_AWAKE
* - EVENT_DEEP_SLEEP_AWAKE
* - EVENT_HS_ACT_REQ
* - EVENT_ADHOC_BCN_LOST
* - EVENT_BG_SCAN_REPORT
* - EVENT_WMM_STATUS_CHANGE
* - EVENT_ADDBA
* - EVENT_DELBA
* - EVENT_BA_STREAM_TIEMOUT
* - EVENT_AMSDU_AGGR_CTRL
*/
int mwifiex_process_sta_event(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
int ret = 0;
u32 eventcause = adapter->event_cause;
u16 ctrl, reason_code;
switch (eventcause) {
case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
dev_err(adapter->dev,
"invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL, ignore it\n");
break;
case EVENT_LINK_SENSED:
dev_dbg(adapter->dev, "event: LINK_SENSED\n");
if (!netif_carrier_ok(priv->netdev))
netif_carrier_on(priv->netdev);
mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
break;
case EVENT_DEAUTHENTICATED:
dev_dbg(adapter->dev, "event: Deauthenticated\n");
if (priv->wps.session_enable) {
dev_dbg(adapter->dev,
"info: receive deauth event in wps session\n");
break;
}
adapter->dbg.num_event_deauth++;
if (priv->media_connected) {
reason_code =
le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code);
}
break;
case EVENT_DISASSOCIATED:
dev_dbg(adapter->dev, "event: Disassociated\n");
if (priv->wps.session_enable) {
dev_dbg(adapter->dev,
"info: receive disassoc event in wps session\n");
break;
}
adapter->dbg.num_event_disassoc++;
if (priv->media_connected) {
reason_code =
le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code);
}
break;
case EVENT_LINK_LOST:
dev_dbg(adapter->dev, "event: Link lost\n");
adapter->dbg.num_event_link_lost++;
if (priv->media_connected) {
reason_code =
le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code);
}
break;
case EVENT_PS_SLEEP:
dev_dbg(adapter->dev, "info: EVENT: SLEEP\n");
adapter->ps_state = PS_STATE_PRE_SLEEP;
mwifiex_check_ps_cond(adapter);
break;
case EVENT_PS_AWAKE:
dev_dbg(adapter->dev, "info: EVENT: AWAKE\n");
if (!adapter->pps_uapsd_mode &&
priv->media_connected && adapter->sleep_period.period) {
adapter->pps_uapsd_mode = true;
dev_dbg(adapter->dev,
"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->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_card_req = false;
adapter->pm_wakeup_fw_try = false;
break;
}
if (!mwifiex_send_null_packet
(priv,
MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET |
MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET))
adapter->ps_state =
PS_STATE_SLEEP;
return 0;
}
}
adapter->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_card_req = false;
adapter->pm_wakeup_fw_try = false;
break;
case EVENT_DEEP_SLEEP_AWAKE:
adapter->if_ops.wakeup_complete(adapter);
dev_dbg(adapter->dev, "event: DS_AWAKE\n");
if (adapter->is_deep_sleep)
adapter->is_deep_sleep = false;
break;
case EVENT_HS_ACT_REQ:
dev_dbg(adapter->dev, "event: HS_ACT_REQ\n");
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH,
0, 0, NULL, false);
break;
case EVENT_MIC_ERR_UNICAST:
dev_dbg(adapter->dev, "event: UNICAST MIC ERROR\n");
cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
NL80211_KEYTYPE_PAIRWISE,
-1, NULL, GFP_KERNEL);
break;
case EVENT_MIC_ERR_MULTICAST:
dev_dbg(adapter->dev, "event: MULTICAST MIC ERROR\n");
cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
NL80211_KEYTYPE_GROUP,
-1, NULL, GFP_KERNEL);
break;
case EVENT_MIB_CHANGED:
case EVENT_INIT_DONE:
break;
case EVENT_ADHOC_BCN_LOST:
dev_dbg(adapter->dev, "event: ADHOC_BCN_LOST\n");
priv->adhoc_is_link_sensed = false;
mwifiex_clean_txrx(priv);
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
break;
case EVENT_BG_SCAN_REPORT:
dev_dbg(adapter->dev, "event: BGS_REPORT\n");
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_QUERY,
HostCmd_ACT_GEN_GET, 0, NULL, false);
break;
case EVENT_PORT_RELEASE:
dev_dbg(adapter->dev, "event: PORT RELEASE\n");
break;
case EVENT_EXT_SCAN_REPORT:
dev_dbg(adapter->dev, "event: EXT_SCAN Report\n");
if (adapter->ext_scan)
ret = mwifiex_handle_event_ext_scan_report(priv,
adapter->event_skb->data);
break;
case EVENT_WMM_STATUS_CHANGE:
dev_dbg(adapter->dev, "event: WMM status changed\n");
ret = mwifiex_send_cmd(priv, HostCmd_CMD_WMM_GET_STATUS,
0, 0, NULL, false);
break;
case EVENT_RSSI_LOW:
cfg80211_cqm_rssi_notify(priv->netdev,
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
GFP_KERNEL);
mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
HostCmd_ACT_GEN_GET, 0, NULL, false);
priv->subsc_evt_rssi_state = RSSI_LOW_RECVD;
dev_dbg(adapter->dev, "event: Beacon RSSI_LOW\n");
break;
case EVENT_SNR_LOW:
dev_dbg(adapter->dev, "event: Beacon SNR_LOW\n");
break;
case EVENT_MAX_FAIL:
dev_dbg(adapter->dev, "event: MAX_FAIL\n");
break;
case EVENT_RSSI_HIGH:
cfg80211_cqm_rssi_notify(priv->netdev,
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
GFP_KERNEL);
mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
HostCmd_ACT_GEN_GET, 0, NULL, false);
priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD;
dev_dbg(adapter->dev, "event: Beacon RSSI_HIGH\n");
break;
case EVENT_SNR_HIGH:
dev_dbg(adapter->dev, "event: Beacon SNR_HIGH\n");
break;
case EVENT_DATA_RSSI_LOW:
dev_dbg(adapter->dev, "event: Data RSSI_LOW\n");
break;
case EVENT_DATA_SNR_LOW:
dev_dbg(adapter->dev, "event: Data SNR_LOW\n");
break;
case EVENT_DATA_RSSI_HIGH:
dev_dbg(adapter->dev, "event: Data RSSI_HIGH\n");
break;
case EVENT_DATA_SNR_HIGH:
dev_dbg(adapter->dev, "event: Data SNR_HIGH\n");
break;
case EVENT_LINK_QUALITY:
dev_dbg(adapter->dev, "event: Link Quality\n");
break;
case EVENT_PRE_BEACON_LOST:
dev_dbg(adapter->dev, "event: Pre-Beacon Lost\n");
break;
case EVENT_IBSS_COALESCED:
dev_dbg(adapter->dev, "event: IBSS_COALESCED\n");
ret = mwifiex_send_cmd(priv,
HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
HostCmd_ACT_GEN_GET, 0, NULL, false);
break;
case EVENT_ADDBA:
dev_dbg(adapter->dev, "event: ADDBA Request\n");
mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP,
HostCmd_ACT_GEN_SET, 0,
adapter->event_body, false);
break;
case EVENT_DELBA:
dev_dbg(adapter->dev, "event: DELBA Request\n");
mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
break;
case EVENT_BA_STREAM_TIEMOUT:
dev_dbg(adapter->dev, "event: BA Stream timeout\n");
mwifiex_11n_ba_stream_timeout(priv,
(struct host_cmd_ds_11n_batimeout
*)
adapter->event_body);
break;
case EVENT_AMSDU_AGGR_CTRL:
ctrl = le16_to_cpu(*(__le16 *)adapter->event_body);
dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n", ctrl);
adapter->tx_buf_size =
min_t(u16, adapter->curr_tx_buf_size, ctrl);
dev_dbg(adapter->dev, "event: tx_buf_size %d\n",
adapter->tx_buf_size);
break;
case EVENT_WEP_ICV_ERR:
dev_dbg(adapter->dev, "event: WEP ICV error\n");
break;
case EVENT_BW_CHANGE:
dev_dbg(adapter->dev, "event: BW Change\n");
break;
case EVENT_HOSTWAKE_STAIE:
dev_dbg(adapter->dev, "event: HOSTWAKE_STAIE %d\n", eventcause);
break;
case EVENT_REMAIN_ON_CHAN_EXPIRED:
dev_dbg(adapter->dev, "event: Remain on channel expired\n");
cfg80211_remain_on_channel_expired(priv->wdev,
priv->roc_cfg.cookie,
&priv->roc_cfg.chan,
GFP_ATOMIC);
memset(&priv->roc_cfg, 0x00, sizeof(struct mwifiex_roc_cfg));
break;
case EVENT_CHANNEL_SWITCH_ANN:
dev_dbg(adapter->dev, "event: Channel Switch Announcement\n");
priv->csa_expire_time =
jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME);
priv->csa_chan = priv->curr_bss_params.bss_descriptor.channel;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE,
HostCmd_ACT_GEN_SET, 0,
priv->curr_bss_params.bss_descriptor.mac_address,
false);
break;
case EVENT_TDLS_GENERIC_EVENT:
ret = mwifiex_parse_tdls_event(priv, adapter->event_skb);
break;
default:
dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
eventcause);
break;
}
return ret;
}
/*
* This function handles the command response of set/get Tx rate
* configurations.
*
* Handling includes changing the header fields into CPU format
* and saving the following parameters in driver -
* - DSSS rate bitmap
* - OFDM rate bitmap
* - HT MCS rate bitmaps
*
* Based on the new rate bitmaps, the function re-evaluates if
* auto data rate has been activated. If not, it sends another
* query to the firmware to get the current Tx data rate.
*/
static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp)
{
struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
struct mwifiex_rate_scope *rate_scope;
struct mwifiex_ie_types_header *head;
u16 tlv, tlv_buf_len, tlv_buf_left;
u8 *tlv_buf;
u32 i;
tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
while (tlv_buf_left >= sizeof(*head)) {
head = (struct mwifiex_ie_types_header *)tlv_buf;
tlv = le16_to_cpu(head->type);
tlv_buf_len = le16_to_cpu(head->len);
if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
break;
switch (tlv) {
case TLV_TYPE_RATE_SCOPE:
rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
priv->bitmap_rates[0] =
le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
priv->bitmap_rates[1] =
le16_to_cpu(rate_scope->ofdm_rate_bitmap);
for (i = 0;
i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap);
i++)
priv->bitmap_rates[2 + i] =
le16_to_cpu(rate_scope->
ht_mcs_rate_bitmap[i]);
if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
for (i = 0; i < ARRAY_SIZE(rate_scope->
vht_mcs_rate_bitmap);
i++)
priv->bitmap_rates[10 + i] =
le16_to_cpu(rate_scope->
vht_mcs_rate_bitmap[i]);
}
break;
/* Add RATE_DROP tlv here */
}
tlv_buf += (sizeof(*head) + tlv_buf_len);
tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
}
priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
if (priv->is_data_rate_auto)
priv->data_rate = 0;
else
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
HostCmd_ACT_GEN_GET, 0, NULL, false);
return 0;
}
/*
* IOCTL request handler to set WEP network key.
*
* This function prepares the correct firmware command and
* issues it, after validation checks.
*/
static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
struct mwifiex_ds_encrypt_key *encrypt_key)
{
struct mwifiex_adapter *adapter = priv->adapter;
int ret;
struct mwifiex_wep_key *wep_key;
int index;
if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
priv->wep_key_curr_index = 0;
wep_key = &priv->wep_key[priv->wep_key_curr_index];
index = encrypt_key->key_index;
if (encrypt_key->key_disable) {
priv->sec_info.wep_enabled = 0;
} else if (!encrypt_key->key_len) {
/* Copy the required key as the current key */
wep_key = &priv->wep_key[index];
if (!wep_key->key_length) {
dev_err(adapter->dev,
"key not set, so cannot enable it\n");
return -1;
}
if (adapter->fw_key_api_major_ver == FW_KEY_API_VER_MAJOR_V2) {
memcpy(encrypt_key->key_material,
wep_key->key_material, wep_key->key_length);
encrypt_key->key_len = wep_key->key_length;
}
priv->wep_key_curr_index = (u16) index;
priv->sec_info.wep_enabled = 1;
} else {
wep_key = &priv->wep_key[index];
memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
/* Copy the key in the driver */
memcpy(wep_key->key_material,
encrypt_key->key_material,
encrypt_key->key_len);
wep_key->key_index = index;
wep_key->key_length = encrypt_key->key_len;
priv->sec_info.wep_enabled = 1;
}
if (wep_key->key_length) {
void *enc_key;
if (encrypt_key->key_disable)
memset(&priv->wep_key[index], 0,
sizeof(struct mwifiex_wep_key));
if (adapter->fw_key_api_major_ver == FW_KEY_API_VER_MAJOR_V2)
enc_key = encrypt_key;
else
enc_key = NULL;
/* Send request to firmware */
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET, 0, enc_key, false);
if (ret)
return ret;
}
if (priv->sec_info.wep_enabled)
priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
else
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0,
&priv->curr_pkt_filter, true);
return ret;
}
/*
* IOCTL request handler to set tx power configuration.
*
* This function prepares the correct firmware command and
* issues it.
*
* For non-auto power mode, all the following power groups are set -
* - Modulation class HR/DSSS
* - Modulation class OFDM
* - Modulation class HTBW20
* - Modulation class HTBW40
*/
int mwifiex_set_tx_power(struct mwifiex_private *priv,
struct mwifiex_power_cfg *power_cfg)
{
int ret;
struct host_cmd_ds_txpwr_cfg *txp_cfg;
struct mwifiex_types_power_group *pg_tlv;
struct mwifiex_power_group *pg;
u8 *buf;
u16 dbm = 0;
if (!power_cfg->is_power_auto) {
dbm = (u16) power_cfg->power_level;
if ((dbm < priv->min_tx_power_level) ||
(dbm > priv->max_tx_power_level)) {
dev_err(priv->adapter->dev, "txpower value %d dBm"
" is out of range (%d dBm-%d dBm)\n",
dbm, priv->min_tx_power_level,
priv->max_tx_power_level);
return -1;
}
}
buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
if (!buf)
return -ENOMEM;
txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
if (!power_cfg->is_power_auto) {
txp_cfg->mode = cpu_to_le32(1);
pg_tlv = (struct mwifiex_types_power_group *)
(buf + sizeof(struct host_cmd_ds_txpwr_cfg));
pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
pg_tlv->length =
cpu_to_le16(4 * sizeof(struct mwifiex_power_group));
pg = (struct mwifiex_power_group *)
(buf + sizeof(struct host_cmd_ds_txpwr_cfg)
+ sizeof(struct mwifiex_types_power_group));
/* Power group for modulation class HR/DSSS */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x03;
pg->modulation_class = MOD_CLASS_HR_DSSS;
pg->power_step = 0;
pg->power_min = (s8) dbm;
pg->power_max = (s8) dbm;
pg++;
/* Power group for modulation class OFDM */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x07;
pg->modulation_class = MOD_CLASS_OFDM;
pg->power_step = 0;
pg->power_min = (s8) dbm;
pg->power_max = (s8) dbm;
pg++;
/* Power group for modulation class HTBW20 */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x20;
pg->modulation_class = MOD_CLASS_HT;
pg->power_step = 0;
pg->power_min = (s8) dbm;
pg->power_max = (s8) dbm;
pg->ht_bandwidth = HT_BW_20;
pg++;
/* Power group for modulation class HTBW40 */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x20;
pg->modulation_class = MOD_CLASS_HT;
pg->power_step = 0;
pg->power_min = (s8) dbm;
pg->power_max = (s8) dbm;
pg->ht_bandwidth = HT_BW_40;
}
ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG,
HostCmd_ACT_GEN_SET, 0, buf, true);
kfree(buf);
return ret;
}
/*
* IOCTL request handler to set host sleep configuration.
*
* This function prepares the correct firmware command and
* issues it.
*/
static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
{
struct mwifiex_adapter *adapter = priv->adapter;
int status = 0;
u32 prev_cond = 0;
if (!hs_cfg)
return -ENOMEM;
switch (action) {
case HostCmd_ACT_GEN_SET:
if (adapter->pps_uapsd_mode) {
dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
" is blocked in UAPSD/PPS mode\n");
status = -1;
break;
}
if (hs_cfg->is_invoke_hostcmd) {
if (hs_cfg->conditions == HS_CFG_CANCEL) {
if (!adapter->is_hs_configured)
/* Already cancelled */
break;
/* Save previous condition */
prev_cond = le32_to_cpu(adapter->hs_cfg
.conditions);
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
} else if (hs_cfg->conditions) {
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
if (hs_cfg->gap)
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
} else if (adapter->hs_cfg.conditions ==
cpu_to_le32(HS_CFG_CANCEL)) {
/* Return failure if no parameters for HS
enable */
status = -1;
break;
}
status = mwifiex_send_cmd(priv,
HostCmd_CMD_802_11_HS_CFG_ENH,
HostCmd_ACT_GEN_SET, 0,
&adapter->hs_cfg,
cmd_type == MWIFIEX_SYNC_CMD);
if (hs_cfg->conditions == HS_CFG_CANCEL)
/* Restore previous condition */
adapter->hs_cfg.conditions =
cpu_to_le32(prev_cond);
} else {
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
}
break;
case HostCmd_ACT_GEN_GET:
hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
hs_cfg->gpio = adapter->hs_cfg.gpio;
hs_cfg->gap = adapter->hs_cfg.gap;
break;
default:
status = -1;
break;
}
return status;
}
/*
* This function prepares command for ad-hoc start.
*
* Driver will fill up SSID, BSS mode, IBSS parameters, physical
* parameters, probe delay, and capability information. Firmware
* will fill up beacon period, basic rates and operational rates.
*
* In addition, the following TLVs are added -
* - Channel TLV
* - Vendor specific IE
* - WPA/WPA2 IE
* - HT Capabilities IE
* - HT Information IE
*
* Preparation also includes -
* - Setting command ID and proper size
* - Ensuring correct endian-ness
*/
int
mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct cfg80211_ssid *req_ssid)
{
int rsn_ie_len = 0;
struct mwifiex_adapter *adapter = priv->adapter;
struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
&cmd->params.adhoc_start;
struct mwifiex_bssdescriptor *bss_desc;
u32 cmd_append_size = 0;
u32 i;
u16 tmp_cap;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 radio_type;
struct mwifiex_ie_types_htcap *ht_cap;
struct mwifiex_ie_types_htinfo *ht_info;
u8 *pos = (u8 *) adhoc_start +
sizeof(struct host_cmd_ds_802_11_ad_hoc_start);
if (!adapter)
return -1;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);
bss_desc = &priv->curr_bss_params.bss_descriptor;
priv->attempted_bss_desc = bss_desc;
/*
* Fill in the parameters for 2 data structures:
* 1. struct host_cmd_ds_802_11_ad_hoc_start command
* 2. bss_desc
* Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
* probe delay, and Cap info.
* Firmware will fill up beacon period, Basic rates
* and operational rates.
*/
memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);
memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n",
adhoc_start->ssid);
memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);
bss_desc->ssid.ssid_len = req_ssid->ssid_len;
/* Set the BSS mode */
adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
bss_desc->beacon_period = priv->beacon_period;
/* Set Physical param set */
/* Parameter IE Id */
#define DS_PARA_IE_ID 3
/* Parameter IE length */
#define DS_PARA_IE_LEN 1
adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;
if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
(u16) priv->adhoc_channel, 0)) {
struct mwifiex_chan_freq_power *cfp;
cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
FIRST_VALID_CHANNEL, 0);
if (cfp)
priv->adhoc_channel = (u8) cfp->channel;
}
if (!priv->adhoc_channel) {
dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
return -1;
}
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
priv->adhoc_channel);
priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
priv->curr_bss_params.band = adapter->adhoc_start_band;
bss_desc->channel = priv->adhoc_channel;
adhoc_start->phy_param_set.ds_param_set.current_chan =
priv->adhoc_channel;
memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
sizeof(union ieee_types_phy_param_set));
/* Set IBSS param set */
/* IBSS parameter IE Id */
#define IBSS_PARA_IE_ID 6
/* IBSS parameter IE length */
#define IBSS_PARA_IE_LEN 2
adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
adhoc_start->ss_param_set.ibss_param_set.atim_window
= cpu_to_le16(priv->atim_window);
memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
sizeof(union ieee_types_ss_param_set));
/* Set Capability info */
bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap);
tmp_cap &= ~WLAN_CAPABILITY_ESS;
tmp_cap |= WLAN_CAPABILITY_IBSS;
/* Set up privacy in bss_desc */
if (priv->sec_info.encryption_mode) {
/* Ad-Hoc capability privacy on */
dev_dbg(adapter->dev,
"info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
tmp_cap |= WLAN_CAPABILITY_PRIVACY;
} else {
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set,"
" setting privacy to ACCEPT ALL\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
if ((adapter->adhoc_start_band & BAND_G) &&
(priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0,
&priv->curr_pkt_filter, false)) {
dev_err(adapter->dev,
"ADHOC_S_CMD: G Protection config failed\n");
return -1;
}
}
/* Find the last non zero */
for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
if (!adhoc_start->data_rate[i])
break;
priv->curr_bss_params.num_of_rates = i;
/* Copy the ad-hoc creating rates into Current BSS rate structure */
memcpy(&priv->curr_bss_params.data_rates,
&adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%4ph\n",
adhoc_start->data_rate);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
if (IS_SUPPORT_MULTI_BANDS(adapter)) {
/* Append a channel TLV */
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(u8) priv->curr_bss_params.bss_descriptor.channel;
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type
= mwifiex_band_to_radio_type(priv->curr_bss_params.band);
if (adapter->adhoc_start_band & BAND_GN ||
adapter->adhoc_start_band & BAND_AN) {
if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
chan_tlv->chan_scan_param[0].radio_type |=
(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
else if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
chan_tlv->chan_scan_param[0].radio_type |=
(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
}
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
cmd_append_size +=
sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
/* Append vendor specific IE TLV */
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
MWIFIEX_VSIE_MASK_ADHOC, &pos);
if (priv->sec_info.wpa_enabled) {
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
cmd_append_size += rsn_ie_len;
}
if (adapter->adhoc_11n_enabled) {
/* Fill HT CAPABILITY */
ht_cap = (struct mwifiex_ie_types_htcap *) pos;
memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
ht_cap->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_cap));
radio_type = mwifiex_band_to_radio_type(
priv->adapter->config_bands);
mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap);
if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_NONE) {
u16 tmp_ht_cap;
tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info);
tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40;
ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap);
}
pos += sizeof(struct mwifiex_ie_types_htcap);
cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);
/* Fill HT INFORMATION */
ht_info = (struct mwifiex_ie_types_htinfo *) pos;
memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION);
ht_info->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_operation));
ht_info->ht_oper.primary_chan =
(u8) priv->curr_bss_params.bss_descriptor.channel;
if (adapter->sec_chan_offset) {
ht_info->ht_oper.ht_param = adapter->sec_chan_offset;
ht_info->ht_oper.ht_param |=
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
}
ht_info->ht_oper.operation_mode =
cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
ht_info->ht_oper.basic_set[0] = 0xff;
pos += sizeof(struct mwifiex_ie_types_htinfo);
cmd_append_size +=
sizeof(struct mwifiex_ie_types_htinfo);
}
cmd->size =
cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
+ S_DS_GEN + cmd_append_size));
if (adapter->adhoc_start_band == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
else
tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
/*
* This function prepares command for ad-hoc join.
*
* Most of the parameters are set up by copying from the target BSS descriptor
* from the scan response.
*
* In addition, the following TLVs are added -
* - Channel TLV
* - Vendor specific IE
* - WPA/WPA2 IE
* - 11n IE
*
* Preparation also includes -
* - Setting command ID and proper size
* - Ensuring correct endian-ness
*/
int
mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct mwifiex_bssdescriptor *bss_desc)
{
int rsn_ie_len = 0;
struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join =
&cmd->params.adhoc_join;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u32 cmd_append_size = 0;
u16 tmp_cap;
u32 i, rates_size = 0;
u16 curr_pkt_filter;
u8 *pos =
(u8 *) adhoc_join +
sizeof(struct host_cmd_ds_802_11_ad_hoc_join);
/* Use G protection */
#define USE_G_PROTECTION 0x02
if (bss_desc->erp_flags & USE_G_PROTECTION) {
curr_pkt_filter =
priv->
curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON;
if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0,
&curr_pkt_filter, false)) {
dev_err(priv->adapter->dev,
"ADHOC_J_CMD: G Protection config failed\n");
return -1;
}
}
priv->attempted_bss_desc = bss_desc;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN);
adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS;
adhoc_join->bss_descriptor.beacon_period
= cpu_to_le16(bss_desc->beacon_period);
memcpy(&adhoc_join->bss_descriptor.bssid,
&bss_desc->mac_address, ETH_ALEN);
memcpy(&adhoc_join->bss_descriptor.ssid,
&bss_desc->ssid.ssid, bss_desc->ssid.ssid_len);
memcpy(&adhoc_join->bss_descriptor.phy_param_set,
&bss_desc->phy_param_set,
sizeof(union ieee_types_phy_param_set));
memcpy(&adhoc_join->bss_descriptor.ss_param_set,
&bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set));
tmp_cap = bss_desc->cap_info_bitmap;
tmp_cap &= CAPINFO_MASK;
dev_dbg(priv->adapter->dev,
"info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
/* Information on BSSID descriptor passed to FW */
dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
adhoc_join->bss_descriptor.bssid,
adhoc_join->bss_descriptor.ssid);
for (i = 0; i < MWIFIEX_SUPPORTED_RATES &&
bss_desc->supported_rates[i]; i++)
;
rates_size = i;
/* Copy Data Rates from the Rates recorded in scan response */
memset(adhoc_join->bss_descriptor.data_rates, 0,
sizeof(adhoc_join->bss_descriptor.data_rates));
memcpy(adhoc_join->bss_descriptor.data_rates,
bss_desc->supported_rates, rates_size);
/* Copy the adhoc join rates into Current BSS state structure */
priv->curr_bss_params.num_of_rates = rates_size;
memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates,
rates_size);
/* Copy the channel information */
priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel;
priv->curr_bss_params.band = (u8) bss_desc->bss_band;
if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled)
tmp_cap |= WLAN_CAPABILITY_PRIVACY;
if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) {
/* Append a channel TLV */
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(bss_desc->phy_param_set.ds_param_set.current_chan);
dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Chan=%d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Band=%d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
cmd_append_size += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
if (priv->sec_info.wpa_enabled)
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
cmd_append_size += rsn_ie_len;
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
cmd_append_size += mwifiex_cmd_append_11n_tlv(priv,
bss_desc, &pos);
/* Append vendor specific IE TLV */
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
MWIFIEX_VSIE_MASK_ADHOC, &pos);
cmd->size = cpu_to_le16
((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join)
+ S_DS_GEN + cmd_append_size));
adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
/*
* 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;
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
mwifiex_clean_txrx(priv);
mwifiex_del_all_sta_list(priv);
break;
case EVENT_UAP_BSS_ACTIVE:
priv->media_connected = true;
priv->port_open = true;
if (!netif_carrier_ok(priv->netdev))
netif_carrier_on(priv->netdev);
mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
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->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_card_req = false;
adapter->pm_wakeup_fw_try = false;
break;
}
if (!mwifiex_send_null_packet
(priv,
MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET |
MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET))
adapter->ps_state =
PS_STATE_SLEEP;
return 0;
}
}
adapter->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_card_req = false;
adapter->pm_wakeup_fw_try = false;
break;
case EVENT_CHANNEL_REPORT_RDY:
mwifiex_dbg(adapter, EVENT, "event: Channel Report\n");
mwifiex_11h_handle_chanrpt_ready(priv, adapter->event_skb);
break;
case EVENT_RADAR_DETECTED:
mwifiex_dbg(adapter, EVENT, "event: Radar detected\n");
mwifiex_11h_handle_radar_detected(priv, adapter->event_skb);
break;
case EVENT_BT_COEX_WLAN_PARA_CHANGE:
dev_err(adapter->dev, "EVENT: BT coex wlan param update\n");
mwifiex_bt_coex_wlan_param_update_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;
default:
mwifiex_dbg(adapter, EVENT,
"event: unknown event id: %#x\n", eventcause);
break;
}
return 0;
}
/* This function prepares IE data buffer for command to be sent to FW */
static int
mwifiex_update_autoindex_ies(struct mwifiex_private *priv,
struct mwifiex_ie_list *ie_list)
{
u16 travel_len, index, mask;
s16 input_len, tlv_len;
struct mwifiex_ie *ie;
u8 *tmp;
input_len = le16_to_cpu(ie_list->len);
travel_len = sizeof(struct mwifiex_ie_types_header);
ie_list->len = 0;
while (input_len >= sizeof(struct mwifiex_ie_types_header)) {
ie = (struct mwifiex_ie *)(((u8 *)ie_list) + travel_len);
tlv_len = le16_to_cpu(ie->ie_length);
travel_len += tlv_len + MWIFIEX_IE_HDR_SIZE;
if (input_len < tlv_len + MWIFIEX_IE_HDR_SIZE)
return -1;
index = le16_to_cpu(ie->ie_index);
mask = le16_to_cpu(ie->mgmt_subtype_mask);
if (index == MWIFIEX_AUTO_IDX_MASK) {
/* automatic addition */
if (mwifiex_ie_get_autoidx(priv, mask, ie, &index))
return -1;
if (index == MWIFIEX_AUTO_IDX_MASK)
return -1;
tmp = (u8 *)&priv->mgmt_ie[index].ie_buffer;
memcpy(tmp, &ie->ie_buffer, le16_to_cpu(ie->ie_length));
priv->mgmt_ie[index].ie_length = ie->ie_length;
priv->mgmt_ie[index].ie_index = cpu_to_le16(index);
priv->mgmt_ie[index].mgmt_subtype_mask =
cpu_to_le16(mask);
ie->ie_index = cpu_to_le16(index);
} else {
if (mask != MWIFIEX_DELETE_MASK)
return -1;
/*
* Check if this index is being used on any
* other interface.
*/
if (mwifiex_ie_index_used_by_other_intf(priv, index))
return -1;
ie->ie_length = 0;
memcpy(&priv->mgmt_ie[index], ie,
sizeof(struct mwifiex_ie));
}
le16_add_cpu(&ie_list->len,
le16_to_cpu(priv->mgmt_ie[index].ie_length) +
MWIFIEX_IE_HDR_SIZE);
input_len -= tlv_len + MWIFIEX_IE_HDR_SIZE;
}
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
return mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
HostCmd_ACT_GEN_SET,
UAP_CUSTOM_IE_I, ie_list, false);
return 0;
}
