1 files changed, 32 insertions, 14 deletions

diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 8f645c83a125..5b9e4220ca08 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -54,9 +54,9 @@
 
 #include "iw_cxgb4.h"
 
-static int fastreg_support;
+static int fastreg_support = 1;
 module_param(fastreg_support, int, 0644);
-MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=0)");
+MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)");
 
 static int c4iw_modify_port(struct ib_device *ibdev,
                             u8 port, int port_modify_mask,
@@ -149,19 +149,28 @@ static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
         addr = mm->addr;
         kfree(mm);
 
-        if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) &&
-            (addr < (pci_resource_start(rdev->lldi.pdev, 2) +
-                       pci_resource_len(rdev->lldi.pdev, 2)))) {
+        if ((addr >= pci_resource_start(rdev->lldi.pdev, 0)) &&
+            (addr < (pci_resource_start(rdev->lldi.pdev, 0) +
+                    pci_resource_len(rdev->lldi.pdev, 0)))) {
 
                 /*
-                 * Map T4 DB register.
+                 * MA_SYNC register...
                  */
-                if (vma->vm_flags & VM_READ)
-                        return -EPERM;
-
                 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-                vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
-                vma->vm_flags &= ~VM_MAYREAD;
+                ret = io_remap_pfn_range(vma, vma->vm_start,
+                                         addr >> PAGE_SHIFT,
+                                         len, vma->vm_page_prot);
+        } else if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) &&
+                   (addr < (pci_resource_start(rdev->lldi.pdev, 2) +
+                    pci_resource_len(rdev->lldi.pdev, 2)))) {
+
+                /*
+                 * Map user DB or OCQP memory...
+                 */
+                if (addr >= rdev->oc_mw_pa)
+                        vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot);
+                else
+                        vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
                 ret = io_remap_pfn_range(vma, vma->vm_start,
                                          addr >> PAGE_SHIFT,
                                          len, vma->vm_page_prot);
@@ -382,7 +391,17 @@ static ssize_t show_board(struct device *dev, struct device_attribute *attr,
 static int c4iw_get_mib(struct ib_device *ibdev,
                         union rdma_protocol_stats *stats)
 {
-        return -ENOSYS;
+        struct tp_tcp_stats v4, v6;
+        struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev);
+
+        cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6);
+        memset(stats, 0, sizeof *stats);
+        stats->iw.tcpInSegs = v4.tcpInSegs + v6.tcpInSegs;
+        stats->iw.tcpOutSegs = v4.tcpOutSegs + v6.tcpOutSegs;
+        stats->iw.tcpRetransSegs = v4.tcpRetransSegs + v6.tcpRetransSegs;
+        stats->iw.tcpOutRsts = v4.tcpOutRsts + v6.tcpOutSegs;
+
+        return 0;
 }
 
 static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
@@ -472,6 +491,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
         dev->ibdev.post_send = c4iw_post_send;
         dev->ibdev.post_recv = c4iw_post_receive;
         dev->ibdev.get_protocol_stats = c4iw_get_mib;
+        dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
 
         dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
         if (!dev->ibdev.iwcm)
@@ -496,7 +516,6 @@ int c4iw_register_device(struct c4iw_dev *dev)
                 if (ret)
                         goto bail2;
         }
-        dev->registered = 1;
         return 0;
 bail2:
         ib_unregister_device(&dev->ibdev);
@@ -515,6 +534,5 @@ void c4iw_unregister_device(struct c4iw_dev *dev)
                                    c4iw_class_attributes[i]);
         ib_unregister_device(&dev->ibdev);
         kfree(dev->ibdev.iwcm);
-        dev->registered = 0;
         return;
 }