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
  23 static 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
  28 static 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
  33 static 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_ */