linux/drivers/net/wireless/realtek/rtw89/util.h

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 * Copyright(c) 2019-2020  Realtek Corporation
 */
#ifndef __RTW89_UTIL_H__
#define __RTW89_UTIL_H__

#include "core.h"

#define RTW89_LINEAR_FRAC_BITS …

#define rtw89_iterate_vifs_bh(rtwdev, iterator, data) …

/* call this function with rtwdev->mutex is held */
#define rtw89_for_each_rtwvif(rtwdev, rtwvif) …

/* Before adding rtwvif to list, we need to check if it already exist, beacase
 * in some case such as SER L2 happen during WoWLAN flow, calling reconfig
 * twice cause the list to be added twice.
 */
static inline bool rtw89_rtwvif_in_list(struct rtw89_dev *rtwdev,
					struct rtw89_vif *new)
{ … }

/* The result of negative dividend and positive divisor is undefined, but it
 * should be one case of round-down or round-up. So, make it round-down if the
 * result is round-up.
 * Note: the maximum value of divisor is 0x7FFF_FFFF, because we cast it to
 *       signed value to make compiler to use signed divide instruction.
 */
static inline s32 s32_div_u32_round_down(s32 dividend, u32 divisor, s32 *remainder)
{ … }

static inline s32 s32_div_u32_round_closest(s32 dividend, u32 divisor)
{ … }

static inline void ether_addr_copy_mask(u8 *dst, const u8 *src, u8 mask)
{ … }

u32 rtw89_linear_2_db(u64 linear);
u64 rtw89_db_2_linear(u32 db);

#endif