drivers/net/wireless/ti/wl18xx/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 wl18xx_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_PEER_REMOVE_COMPLETE:
  34                 local_event = PEER_REMOVE_COMPLETE_EVENT_ID;
  35                 break;
  36
  37         case WLCORE_EVENT_DFS_CONFIG_COMPLETE:
  38                 local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
  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 wl18xx_process_mailbox_events(struct wl1271 *wl)
  49 {
  50         struct wl18xx_event_mailbox *mbox = wl->mbox;
  51         u32 vector;
  52
  53         vector = le32_to_cpu(mbox->events_vector);
  54         wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector);
  55
  56         if (vector & SCAN_COMPLETE_EVENT_ID) {
  57                 wl1271_debug(DEBUG_EVENT, "scan results: %d",
  58                              mbox->number_of_scan_results);
  59
  60                 if (wl->scan_wlvif)
  61                         wl18xx_scan_completed(wl, wl->scan_wlvif);
  62         }
  63
  64         if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
  65                 wl1271_debug(DEBUG_EVENT,
  66                              "PERIODIC_SCAN_REPORT_EVENT (results %d)",
  67                              mbox->number_of_sched_scan_results);
  68
  69                 wlcore_scan_sched_scan_results(wl);
  70         }
  71
  72         if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID)
  73                 wlcore_event_sched_scan_completed(wl, 1);
  74
  75         if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID)
  76                 wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric);
  77
  78         if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)
  79                 wlcore_event_ba_rx_constraint(wl,
  80                                 le16_to_cpu(mbox->rx_ba_role_id_bitmap),
  81                                 le16_to_cpu(mbox->rx_ba_allowed_bitmap));
  82
  83         if (vector & BSS_LOSS_EVENT_ID)
  84                 wlcore_event_beacon_loss(wl,
  85                                          le16_to_cpu(mbox->bss_loss_bitmap));
  86
  87         if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID)
  88                 wlcore_event_channel_switch(wl,
  89                         le16_to_cpu(mbox->channel_switch_role_id_bitmap),
  90                         true);
  91
  92         if (vector & DUMMY_PACKET_EVENT_ID)
  93                 wlcore_event_dummy_packet(wl);
  94
  95         /*
  96          * "TX retries exceeded" has a different meaning according to mode.
  97          * In AP mode the offending station is disconnected.
  98          */
  99         if (vector & MAX_TX_FAILURE_EVENT_ID)
 100                 wlcore_event_max_tx_failure(wl,
 101                                 le32_to_cpu(mbox->tx_retry_exceeded_bitmap));
 102
 103         if (vector & INACTIVE_STA_EVENT_ID)
 104                 wlcore_event_inactive_sta(wl,
 105                                 le32_to_cpu(mbox->inactive_sta_bitmap));
 106
 107         if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID)
 108                 wlcore_event_roc_complete(wl);
 109
 110         return 0;
 111 }