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mt76: add common code shared between multiple chipsets

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This will be used by drivers for MT76x2e, MT7603e and MT7628

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Felix Fietkau
2017-11-21 10:50:52 +01:00
committed by Kalle Valo
parent 9402f8eb9b
commit 17f1de56df
12 changed files with 2219 additions and 0 deletions
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44
drivers/net/wireless/mediatek/mt76/util.h Normal file
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/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
* Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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