1 files changed, 20 insertions, 6 deletions

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 9660d093f8cf..bf900579ac08 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -46,8 +46,8 @@
 #include "mlx5_ib.h"
 
 #define DRIVER_NAME "mlx5_ib"
-#define DRIVER_VERSION "1.0"
-#define DRIVER_RELDATE  "June 2013"
+#define DRIVER_VERSION "2.2-1"
+#define DRIVER_RELDATE  "Feb 2014"
 
 MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
 MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver");
@@ -261,8 +261,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
         props->device_cap_flags    = IB_DEVICE_CHANGE_PHY_PORT |
                 IB_DEVICE_PORT_ACTIVE_EVENT             |
                 IB_DEVICE_SYS_IMAGE_GUID                |
-                IB_DEVICE_RC_RNR_NAK_GEN                |
-                IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
+                IB_DEVICE_RC_RNR_NAK_GEN;
         flags = dev->mdev.caps.flags;
         if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR)
                 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
@@ -536,24 +535,38 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
                                                   struct ib_udata *udata)
 {
         struct mlx5_ib_dev *dev = to_mdev(ibdev);
-        struct mlx5_ib_alloc_ucontext_req req;
+        struct mlx5_ib_alloc_ucontext_req_v2 req;
         struct mlx5_ib_alloc_ucontext_resp resp;
         struct mlx5_ib_ucontext *context;
         struct mlx5_uuar_info *uuari;
         struct mlx5_uar *uars;
         int gross_uuars;
         int num_uars;
+        int ver;
         int uuarn;
         int err;
         int i;
+        int reqlen;
 
         if (!dev->ib_active)
                 return ERR_PTR(-EAGAIN);
 
-        err = ib_copy_from_udata(&req, udata, sizeof(req));
+        memset(&req, 0, sizeof(req));
+        reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr);
+        if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req))
+                ver = 0;
+        else if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req_v2))
+                ver = 2;
+        else
+                return ERR_PTR(-EINVAL);
+
+        err = ib_copy_from_udata(&req, udata, reqlen);
         if (err)
                 return ERR_PTR(err);
 
+        if (req.flags || req.reserved)
+                return ERR_PTR(-EINVAL);
+
         if (req.total_num_uuars > MLX5_MAX_UUARS)
                 return ERR_PTR(-ENOMEM);
 
@@ -626,6 +639,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
         if (err)
                 goto out_uars;
 
+        uuari->ver = ver;
         uuari->num_low_latency_uuars = req.num_low_latency_uuars;
         uuari->uars = uars;
         uuari->num_uars = num_uars;