Quelle  event.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * This file is part of wl12xx
 *
 * Copyright (C) 2012 Texas Instruments. All rights reserved.
 */

#include "event.h"
#include "scan.h"
#include "../wlcore/cmd.h"
#include "../wlcore/debug.h"

int wl12xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event,
     bool *timeout)
{
 u32 local_event;

 switch (event) {
 case WLCORE_EVENT_ROLE_STOP_COMPLETE:
  local_event = ROLE_STOP_COMPLETE_EVENT_ID;
  break;

 case WLCORE_EVENT_PEER_REMOVE_COMPLETE:
  local_event = PEER_REMOVE_COMPLETE_EVENT_ID;
  break;

 default:
  /* event not implemented */
  return 0;
 }
 return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout);
}

int wl12xx_process_mailbox_events(struct wl1271 *wl)
{
 struct wl12xx_event_mailbox *mbox = wl->mbox;
 u32 vector;


 vector = le32_to_cpu(mbox->events_vector);
 vector &= ~(le32_to_cpu(mbox->events_mask));

 wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector);

 if (vector & SCAN_COMPLETE_EVENT_ID) {
  wl1271_debug(DEBUG_EVENT, "status: 0x%x",
        mbox->scheduled_scan_status);

  if (wl->scan_wlvif)
   wl12xx_scan_completed(wl, wl->scan_wlvif);
 }

 if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
  wl1271_debug(DEBUG_EVENT,
        "PERIODIC_SCAN_REPORT_EVENT (status 0x%0x)",
        mbox->scheduled_scan_status);

  wlcore_scan_sched_scan_results(wl);
 }

 if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID)
  wlcore_event_sched_scan_completed(wl,
        mbox->scheduled_scan_status);
 if (vector & SOFT_GEMINI_SENSE_EVENT_ID)
  wlcore_event_soft_gemini_sense(wl,
            mbox->soft_gemini_sense_info);

 if (vector & BSS_LOSE_EVENT_ID)
  wlcore_event_beacon_loss(wl, 0xff);

 if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID)
  wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric);

 if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)
  wlcore_event_ba_rx_constraint(wl,
           BIT(mbox->role_id),
           mbox->rx_ba_allowed);

 if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID)
  wlcore_event_channel_switch(wl, 0xff,
         mbox->channel_switch_status);

 if (vector & DUMMY_PACKET_EVENT_ID)
  wlcore_event_dummy_packet(wl);

 /*
 * "TX retries exceeded" has a different meaning according to mode.
 * In AP mode the offending station is disconnected.
 */
 if (vector & MAX_TX_RETRY_EVENT_ID)
  wlcore_event_max_tx_failure(wl,
    le16_to_cpu(mbox->sta_tx_retry_exceeded));

 if (vector & INACTIVE_STA_EVENT_ID)
  wlcore_event_inactive_sta(wl,
       le16_to_cpu(mbox->sta_aging_status));

 if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID)
  wlcore_event_roc_complete(wl);

 return 0;
}