1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Scan interface for ST-Ericsson CW1200 mac80211 drivers 4 * 5 * Copyright (c) 2010, ST-Ericsson 6 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> 7 */ 8 9#ifndef SCAN_H_INCLUDED 10#define SCAN_H_INCLUDED 11 12#include <linux/semaphore.h> 13#include "wsm.h" 14 15/* external */ struct sk_buff; 16/* external */ struct cfg80211_scan_request; 17/* external */ struct ieee80211_channel; 18/* external */ struct ieee80211_hw; 19/* external */ struct work_struct; 20 21struct cw1200_scan { 22 struct semaphore lock; 23 struct work_struct work; 24 struct delayed_work timeout; 25 struct cfg80211_scan_request *req; 26 struct ieee80211_channel **begin; 27 struct ieee80211_channel **curr; 28 struct ieee80211_channel **end; 29 struct wsm_ssid ssids[WSM_SCAN_MAX_NUM_OF_SSIDS]; 30 int output_power; 31 int n_ssids; 32 int status; 33 atomic_t in_progress; 34 /* Direct probe requests workaround */ 35 struct delayed_work probe_work; 36 int direct_probe; 37}; 38 39int cw1200_hw_scan(struct ieee80211_hw *hw, 40 struct ieee80211_vif *vif, 41 struct ieee80211_scan_request *hw_req); 42void cw1200_scan_work(struct work_struct *work); 43void cw1200_scan_timeout(struct work_struct *work); 44void cw1200_clear_recent_scan_work(struct work_struct *work); 45void cw1200_scan_complete_cb(struct cw1200_common *priv, 46 struct wsm_scan_complete *arg); 47void cw1200_scan_failed_cb(struct cw1200_common *priv); 48 49/* ******************************************************************** */ 50/* Raw probe requests TX workaround */ 51void cw1200_probe_work(struct work_struct *work); 52 53#endif 54