[I/OAT]: Setup the networking subsystem as a DMA client

Attempts to allocate per-CPU DMA channels

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f4169bbb60eb..b5760c67af9c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -37,6 +37,7 @@
 #include <linux/config.h>
 #include <linux/device.h>
 #include <linux/percpu.h>
+#include <linux/dmaengine.h>
 
 struct divert_blk;
 struct vlan_group;
@@ -593,6 +594,9 @@ struct softnet_data
         struct sk_buff          *completion_queue;
 
         struct net_device       backlog_dev;    /* Sorry. 8) */
+#ifdef CONFIG_NET_DMA
+        struct dma_chan         *net_dma;
+#endif
 };
 
 DECLARE_PER_CPU(struct softnet_data,softnet_data);