linux_dsm_epyc7002/drivers/net/wireless/mwifiex/util.h
Xinming Hu 65da33f555 mwifiex: update Copyright to 2014
This patch updates mwifiex Copyright to 2014.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-25 15:32:47 -04:00

54 lines
1.6 KiB
C

/*
* Marvell Wireless LAN device driver: utility functions
*
* Copyright (C) 2011-2014, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*/
#ifndef _MWIFIEX_UTIL_H_
#define _MWIFIEX_UTIL_H_
static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb)
{
return (struct mwifiex_rxinfo *)(skb->cb + sizeof(dma_addr_t));
}
static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb)
{
return (struct mwifiex_txinfo *)(skb->cb + sizeof(dma_addr_t));
}
struct mwifiex_dma_mapping {
dma_addr_t addr;
size_t len;
};
static inline void MWIFIEX_SKB_PACB(struct sk_buff *skb,
struct mwifiex_dma_mapping *mapping)
{
memcpy(mapping, skb->cb, sizeof(*mapping));
}
static inline dma_addr_t MWIFIEX_SKB_DMA_ADDR(struct sk_buff *skb)
{
struct mwifiex_dma_mapping mapping;
MWIFIEX_SKB_PACB(skb, &mapping);
return mapping.addr;
}
#endif /* !_MWIFIEX_UTIL_H_ */