29bbd72d6e
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
|
|
* 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,
|
|
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 */
|