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authorJeb Cramer <cramerj@intel.com>2008-03-03 15:04:02 -0800
committerJeff Garzik <jeff@garzik.org>2008-03-17 07:49:28 -0400
commitbd0362dde080cef377d99fa5beb5c25308c29c73 (patch)
tree45269ba2224fb3e27d8384e85fd5fc8be7884cb9 /drivers/net/ixgbe/ixgbe.h
parentf494e8faa77bd4147324f7666441e0b780e7db94 (diff)
ixgbe: Add optional DCA infrastructure
82598 cards and up support DCA, which enables the chipset to warm up the caches for upcoming payload data. This code makes the driver plug into the CONFIG_DCA infrastructure that was merged earlier. Signed-off-by: Jeb Cramer <cramerj@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe.h')
-rw-r--r--drivers/net/ixgbe/ixgbe.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 79f5519e2aa..d98113472a8 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -36,6 +36,9 @@
#include "ixgbe_type.h"
#include "ixgbe_common.h"
+#ifdef CONFIG_DCA
+#include <linux/dca.h>
+#endif
#define IXGBE_ERR(args...) printk(KERN_ERR "ixgbe: " args)
@@ -142,6 +145,11 @@ struct ixgbe_ring {
u16 reg_idx; /* holds the special value that gets the hardware register
* offset associated with this ring, which is different
* for DCE and RSS modes */
+
+#ifdef CONFIG_DCA
+ /* cpu for tx queue */
+ int cpu;
+#endif
struct ixgbe_queue_stats stats;
u8 v_idx; /* maps directly to the index for this ring in the hardware
* vector array, can also be used for finding the bit in EICR
@@ -261,6 +269,7 @@ struct ixgbe_adapter {
#define IXGBE_FLAG_IMIR_ENABLED (u32)(1 << 5)
#define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 6)
#define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 7)
+#define IXGBE_FLAG_DCA_ENABLED (u32)(1 << 8)
/* OS defined structs */
struct net_device *netdev;