This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / net / netdma.h

diff --git a/include/net/netdma.h b/include/net/netdma.h
new file mode 100644 (file)
index 0000000..f28c6e0
--- /dev/null
+++ b/include/net/netdma.h
@@ -0,0 +1,43 @@
+/*
+ * 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
+#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 */