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