diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_event.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_event.c | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c deleted file mode 100644 index ea265ec0e522..000000000000 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Marvell Wireless LAN device driver: station event handling - * - * Copyright (C) 2011, Marvell International Ltd. - * - * This software file (the "File") is distributed by Marvell International - * Ltd. under the terms of the GNU General Public License Version 2, June 1991 - * (the "License"). You may use, redistribute and/or modify this File in - * accordance with the terms and conditions of the License, a copy of which - * is available by writing to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the - * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. - * - * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE - * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE - * ARE EXPRESSLY DISCLAIMED. The License provides additional details about - * this warranty disclaimer. - */ - -#include "decl.h" -#include "ioctl.h" -#include "util.h" -#include "fw.h" -#include "main.h" -#include "wmm.h" -#include "11n.h" - -/* - * 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) -{ - struct mwifiex_adapter *adapter = priv->adapter; - - if (!priv->media_connected) - return; - - dev_dbg(adapter->dev, "info: handles disconnect event\n"); - - priv->media_connected = false; - - priv->scan_block = false; - - /* 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; - - 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 - */ - - dev_dbg(adapter->dev, "info: previous SSID=%s, SSID len=%u\n", - priv->prev_ssid.ssid, priv->prev_ssid.ssid_len); - - dev_dbg(adapter->dev, "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 (adapter->num_cmd_timeout && adapter->curr_cmd) - return; - priv->media_connected = false; - dev_dbg(adapter->dev, - "info: successfully disconnected from %pM: reason code %d\n", - priv->cfg_bssid, reason_code); - if (priv->bss_mode == NL80211_IFTYPE_STATION) { - cfg80211_disconnected(priv->netdev, reason_code, NULL, 0, - GFP_KERNEL); - } - memset(priv->cfg_bssid, 0, ETH_ALEN); - - mwifiex_stop_net_dev_queue(priv->netdev, adapter); - if (netif_carrier_ok(priv->netdev)) - netif_carrier_off(priv->netdev); -} - -/* - * 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"); - 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"); - 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_async(priv, - HostCmd_CMD_802_11_HS_CFG_ENH, - 0, 0, NULL); - 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_async(priv, - HostCmd_CMD_802_11_BG_SCAN_QUERY, - HostCmd_ACT_GEN_GET, 0, NULL); - break; - - case EVENT_PORT_RELEASE: - dev_dbg(adapter->dev, "event: PORT RELEASE\n"); - break; - - case EVENT_WMM_STATUS_CHANGE: - dev_dbg(adapter->dev, "event: WMM status changed\n"); - ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_WMM_GET_STATUS, - 0, 0, NULL); - break; - - case EVENT_RSSI_LOW: - cfg80211_cqm_rssi_notify(priv->netdev, - NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, - GFP_KERNEL); - mwifiex_send_cmd_async(priv, HostCmd_CMD_RSSI_INFO, - HostCmd_ACT_GEN_GET, 0, NULL); - 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_async(priv, HostCmd_CMD_RSSI_INFO, - HostCmd_ACT_GEN_GET, 0, NULL); - 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_async(priv, - HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, - HostCmd_ACT_GEN_GET, 0, NULL); - break; - case EVENT_ADDBA: - dev_dbg(adapter->dev, "event: ADDBA Request\n"); - mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_ADDBA_RSP, - HostCmd_ACT_GEN_SET, 0, - adapter->event_body); - 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_async(priv, - HostCmd_CMD_802_11_DEAUTHENTICATE, - HostCmd_ACT_GEN_SET, 0, - priv->curr_bss_params.bss_descriptor.mac_address); - break; - - default: - dev_dbg(adapter->dev, "event: unknown event id: %#x\n", - eventcause); - break; - } - - return ret; -} |