fc33146090
This patch uses pci_alloc_consistent and pci_free_consistent APIs for mwifiex_pcie driver. Consistent DMA memory is allocated for TX, RX and event rings. Command buffer and command response buffer also uses map/unmap memory APIs to download commands and get command responses. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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* Marvell Wireless LAN device driver: utility functions
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#ifndef _MWIFIEX_UTIL_H_
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#define _MWIFIEX_UTIL_H_
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static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb)
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{
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return (struct mwifiex_rxinfo *)(skb->cb + sizeof(dma_addr_t));
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}
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static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb)
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{
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return (struct mwifiex_txinfo *)(skb->cb + sizeof(dma_addr_t));
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}
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static inline void MWIFIEX_SKB_PACB(struct sk_buff *skb, dma_addr_t *buf_pa)
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{
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memcpy(buf_pa, skb->cb, sizeof(dma_addr_t));
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}
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#endif /* !_MWIFIEX_UTIL_H_ */
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