| /* |
| * 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 |
