LXR linux/drivers/net/wireless/mwifiex/util.h

   1/*
   2 * Marvell Wireless LAN device driver: utility functions
   3 *
   4 * Copyright (C) 2011, Marvell International Ltd.
   5 *
   6 * This software file (the "File") is distributed by Marvell International
   7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8 * (the "License").  You may use, redistribute and/or modify this File in
   9 * accordance with the terms and conditions of the License, a copy of which
  10 * is available by writing to the Free Software Foundation, Inc.,
  11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13 *
  14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17 * this warranty disclaimer.
  18 */
  19
  20#ifndef _MWIFIEX_UTIL_H_
  21#define _MWIFIEX_UTIL_H_
  22
  23static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb)
  24{
  25        return (struct mwifiex_rxinfo *)(skb->cb + sizeof(dma_addr_t));
  26}
  27
  28static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb)
  29{
  30        return (struct mwifiex_txinfo *)(skb->cb + sizeof(dma_addr_t));
  31}
  32
  33static inline void MWIFIEX_SKB_PACB(struct sk_buff *skb, dma_addr_t *buf_pa)
  34{
  35        memcpy(buf_pa, skb->cb, sizeof(dma_addr_t));
  36}
  37#endif /* !_MWIFIEX_UTIL_H_ */
  38