LXR linux/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
  27int 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
  48int 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}
 117