root/drivers/net/wireless/mediatek/mt76/util.h

INCLUDED FROM

DEFINITIONS

1. mt76_wcid_free
2. mt76_skb_set_moredata

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   4  * Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
   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