1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright(c) 2018-2019  Realtek Corporation
3  */
4 
5 #ifndef __RTW_UTIL_H__
6 #define __RTW_UTIL_H__
7 
8 struct rtw_dev;
9 
10 #define rtw_iterate_vifs(rtwdev, iterator, data)                               \
11 	ieee80211_iterate_active_interfaces(rtwdev->hw,                        \
12 			IEEE80211_IFACE_ITER_NORMAL, iterator, data)
13 #define rtw_iterate_vifs_atomic(rtwdev, iterator, data)                        \
14 	ieee80211_iterate_active_interfaces_atomic(rtwdev->hw,                 \
15 			IEEE80211_IFACE_ITER_NORMAL, iterator, data)
16 #define rtw_iterate_stas_atomic(rtwdev, iterator, data)                        \
17 	ieee80211_iterate_stations_atomic(rtwdev->hw, iterator, data)
18 
19 static inline u8 *get_hdr_bssid(struct ieee80211_hdr *hdr)
20 {
21 	__le16 fc = hdr->frame_control;
22 	u8 *bssid;
23 
24 	if (ieee80211_has_tods(fc))
25 		bssid = hdr->addr1;
26 	else if (ieee80211_has_fromds(fc))
27 		bssid = hdr->addr2;
28 	else
29 		bssid = hdr->addr3;
30 
31 	return bssid;
32 }
33 
34 #endif
35