#include <linux/dmapool.h>
#include <linux/cache.h>
#include <linux/pci_ids.h>
+#include <net/tcp.h>
-#define IOAT_DMA_VERSION "2.18"
+#define IOAT_DMA_VERSION "3.30"
enum ioat_interrupt {
none = 0,
struct dma_async_tx_descriptor async_tx;
};
+static inline void ioat_set_tcp_copy_break(struct ioatdma_device *dev)
+{
+ #ifdef CONFIG_NET_DMA
+ switch (dev->version) {
+ case IOAT_VER_1_2:
+ case IOAT_VER_3_0:
+ sysctl_tcp_dma_copybreak = 4096;
+ break;
+ case IOAT_VER_2_0:
+ sysctl_tcp_dma_copybreak = 2048;
+ break;
+ }
+ #endif
+}
+
#if defined(CONFIG_INTEL_IOATDMA) || defined(CONFIG_INTEL_IOATDMA_MODULE)
struct ioatdma_device *ioat_dma_probe(struct pci_dev *pdev,
void __iomem *iobase);
void ioat_dma_remove(struct ioatdma_device *device);
struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase);
struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase);
+struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase);
#else
#define ioat_dma_probe(pdev, iobase) NULL
#define ioat_dma_remove(device) do { } while (0)
#define ioat_dca_init(pdev, iobase) NULL
#define ioat2_dca_init(pdev, iobase) NULL
+#define ioat3_dca_init(pdev, iobase) NULL
#endif
#endif /* IOATDMA_H */