[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / mediatek / mt76 / util.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
 * Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 */

#ifndef __MT76_UTIL_H
#define __MT76_UTIL_H

#include <linux/skbuff.h>
#include <linux/bitops.h>
#include <linux/bitfield.h>

#define MT76_INCR(_var, _size) \
	_var = (((_var) + 1) % _size)

int mt76_wcid_alloc(unsigned long *mask, int size);

static inline void
mt76_wcid_free(unsigned long *mask, int idx)
{
	mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG);
}

static inline void
mt76_skb_set_moredata(struct sk_buff *skb, bool enable)
{
	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;

	if (enable)
		hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
	else
		hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA);
}

#endif
Commit	Line	Data
1802d0be	1	/* SPDX-License-Identifier: GPL-2.0-only */
17f1de56 FF	2	/*
	3	* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
	4	* Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
17f1de56 FF	5	*/
	6
	7	#ifndef __MT76_UTIL_H
	8	#define __MT76_UTIL_H
	9
	10	#include <linux/skbuff.h>
	11	#include <linux/bitops.h>
	12	#include <linux/bitfield.h>
	13
	14	#define MT76_INCR(_var, _size) \
	15	_var = (((_var) + 1) % _size)
	16
	17	int mt76_wcid_alloc(unsigned long *mask, int size);
	18
	19	static inline void
	20	mt76_wcid_free(unsigned long *mask, int idx)
	21	{
	22	mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG);
	23	}
	24
	25	static inline void
	26	mt76_skb_set_moredata(struct sk_buff *skb, bool enable)
	27	{
	28	struct ieee80211_hdr hdr = (struct ieee80211_hdr ) skb->data;
	29
	30	if (enable)
	31	hdr->frame_control \|= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
	32	else
	33	hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA);
	34	}
	35
	36	#endif