[ofa-general] [PATCH] ipoib - high dma support

[Eli Cohen]

Add high dma support to ipoib

Signed-off-by: Eli Cohen <eli at mellnaox.co.il>

---

Index: linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib_main.c
===================================================================
--- linux-2.6.23-rc1.orig/drivers/infiniband/ulp/ipoib/ipoib_main.c	2007-07-10 21:56:30.000000000 +0300
+++ linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib_main.c	2007-08-02 14:08:29.000000000 +0300
@@ -46,6 +46,7 @@
 
 #include <linux/ip.h>
 #include <linux/in.h>
+#include <linux/pci.h>
 
 #include <net/dst.h>
 
@@ -1072,6 +1073,7 @@ static struct net_device *ipoib_add_port
 {
 	struct ipoib_dev_priv *priv;
 	int result = -ENOMEM;
+	struct pci_dev *pdev;
 
 	priv = ipoib_intf_alloc(format);
 	if (!priv)
@@ -1079,6 +1081,10 @@ static struct net_device *ipoib_add_port
 
 	SET_NETDEV_DEV(priv->dev, hca->dma_device);
 
+	pdev = to_pci_dev(hca->dma_device);
+	if (pdev->dma_mask & DMA_64BIT_MASK)
+		priv->dev->features |= NETIF_F_HIGHDMA;
+
 	result = ib_query_pkey(hca, port, 0, &priv->pkey);
 	if (result) {
 		printk(KERN_WARNING "%s: ib_query_pkey port %d failed (ret = %d)\n",