kernel/drivers/net/wireless/ti/wl12xx/event.c

   1 /*
   2  * This file is part of wl12xx
   3  *
   4  * Copyright (C) 2012 Texas Instruments. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include "event.h"
  23 #include "scan.h"
  24 #include "../wlcore/cmd.h"
  25 #include "../wlcore/debug.h"
  26
  27 int wl12xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event,
  28                           bool *timeout)
  29 {
  30         u32 local_event;
  31
  32         switch (event) {
  33         case WLCORE_EVENT_ROLE_STOP_COMPLETE:
  34                 local_event = ROLE_STOP_COMPLETE_EVENT_ID;
  35                 break;
  36
  37         case WLCORE_EVENT_PEER_REMOVE_COMPLETE:
  38                 local_event = PEER_REMOVE_COMPLETE_EVENT_ID;
  39                 break;
  40
  41         default:
  42                 /* event not implemented */
  43                 return 0;
  44         }
  45         return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout);
  46 }
  47
  48 int wl12xx_process_mailbox_events(struct wl1271 *wl)
  49 {
  50         struct wl12xx_event_mailbox *mbox = wl->mbox;
  51         u32 vector;
  52
  53
  54         vector = le32_to_cpu(mbox->events_vector);
  55         vector &= ~(le32_to_cpu(mbox->events_mask));
  56
  57         wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector);
  58
  59         if (vector & SCAN_COMPLETE_EVENT_ID) {
  60                 wl1271_debug(DEBUG_EVENT, "status: 0x%x",
  61                              mbox->scheduled_scan_status);
  62
  63                 if (wl->scan_wlvif)
  64                         wl12xx_scan_completed(wl, wl->scan_wlvif);
  65         }
  66
  67         if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
  68                 wl1271_debug(DEBUG_EVENT,
  69                              "PERIODIC_SCAN_REPORT_EVENT (status 0x%0x)",
  70                              mbox->scheduled_scan_status);
  71
  72                 wlcore_scan_sched_scan_results(wl);
  73         }
  74
  75         if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID)
  76                 wlcore_event_sched_scan_completed(wl,
  77                                                   mbox->scheduled_scan_status);
  78         if (vector & SOFT_GEMINI_SENSE_EVENT_ID)
  79                 wlcore_event_soft_gemini_sense(wl,
  80                                                mbox->soft_gemini_sense_info);
  81
  82         if (vector & BSS_LOSE_EVENT_ID)
  83                 wlcore_event_beacon_loss(wl, 0xff);
  84
  85         if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID)
  86                 wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric);
  87
  88         if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)
  89                 wlcore_event_ba_rx_constraint(wl,
  90                                               BIT(mbox->role_id),
  91                                               mbox->rx_ba_allowed);
  92
  93         if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID)
  94                 wlcore_event_channel_switch(wl, 0xff,
  95                                             mbox->channel_switch_status);
  96
  97         if (vector & DUMMY_PACKET_EVENT_ID)
  98                 wlcore_event_dummy_packet(wl);
  99
 100         /*
 101          * "TX retries exceeded" has a different meaning according to mode.
 102          * In AP mode the offending station is disconnected.
 103          */
 104         if (vector & MAX_TX_RETRY_EVENT_ID)
 105                 wlcore_event_max_tx_failure(wl,
 106                                 le16_to_cpu(mbox->sta_tx_retry_exceeded));
 107
 108         if (vector & INACTIVE_STA_EVENT_ID)
 109                 wlcore_event_inactive_sta(wl,
 110                                           le16_to_cpu(mbox->sta_aging_status));
 111
 112         if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID)
 113                 wlcore_event_roc_complete(wl);
 114
 115         return 0;
 116 }