diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/util.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/util.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/util.h b/drivers/net/wireless/mediatek/mt76/util.h new file mode 100644 index 000000000000..018d475504a2 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/util.h @@ -0,0 +1,44 @@ +/* + * 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 |