/* * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston, MA  02111-1307, USA. * * The full GNU General Public License is included in this distribution in the * file called COPYING. */#ifndef NETDMA_H#define NETDMA_H#include <linux/config.h>#ifdef CONFIG_NET_DMA#include <linux/dmaengine.h>#include <linux/skbuff.h> static inline struct dma_chan *get_softnet_dma(void){	struct dma_chan *chan;	rcu_read_lock();	chan = rcu_dereference(__get_cpu_var(softnet_data.net_dma));	if (chan)		dma_chan_get(chan);	rcu_read_unlock();	return chan;} int dma_skb_copy_datagram_iovec(struct dma_chan* chan,		const struct sk_buff *skb, int offset, struct iovec *to,		size_t len, struct dma_pinned_list *pinned_list); #endif /* CONFIG_NET_DMA */#endif /* NETDMA_H */