IB/mlx5: Implement UD QP offloads for IPoIB in the TX flow

[cascardo/linux.git] / drivers / infiniband / hw / mlx5 / main.c

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index ec737e2..76b0939 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -504,6 +504,11 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
            (MLX5_CAP_ETH(dev->mdev, csum_cap)))
                        props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM;
 
+       if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) {
+               props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
+               props->device_cap_flags |= IB_DEVICE_UD_TSO;
+       }
+
        props->vendor_part_id      = mdev->pdev->device;
        props->hw_ver              = mdev->pdev->revision;
 
@@ -844,6 +849,8 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
        int err;
        int i;
        size_t reqlen;
+       size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2,
+                                    max_cqe_version);
 
        if (!dev->ib_active)
                return ERR_PTR(-EAGAIN);
@@ -854,7 +861,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
        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))
+       else if (reqlen >= min_req_v2)
                ver = 2;
        else
                return ERR_PTR(-EINVAL);
@@ -2214,7 +2221,9 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
                (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ)         |
                (1ull << IB_USER_VERBS_CMD_OPEN_QP);
        dev->ib_dev.uverbs_ex_cmd_mask =
-               (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE);
+               (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE)     |
+               (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ)        |
+               (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP);
 
        dev->ib_dev.query_device        = mlx5_ib_query_device;
        dev->ib_dev.query_port          = mlx5_ib_query_port;