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
 8struct 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
19static 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