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path: root/drivers/infiniband/hw/cxgb4/provider.c
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Diffstat (limited to 'drivers/infiniband/hw/cxgb4/provider.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/provider.c44
1 files changed, 32 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 8f645c83a125..f66dd8bf5128 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)