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path: root/drivers/infiniband/core/ucma.c
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Diffstat (limited to 'drivers/infiniband/core/ucma.c')
-rw-r--r--drivers/infiniband/core/ucma.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index b3fa798525b..71be5eebd68 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -367,13 +367,28 @@ done:
return ret;
}
-static ssize_t ucma_create_id(struct ucma_file *file,
- const char __user *inbuf,
- int in_len, int out_len)
+static int ucma_get_qp_type(struct rdma_ucm_create_id *cmd, enum ib_qp_type *qp_type)
+{
+ switch (cmd->ps) {
+ case RDMA_PS_TCP:
+ *qp_type = IB_QPT_RC;
+ return 0;
+ case RDMA_PS_UDP:
+ case RDMA_PS_IPOIB:
+ *qp_type = IB_QPT_UD;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf,
+ int in_len, int out_len)
{
struct rdma_ucm_create_id cmd;
struct rdma_ucm_create_id_resp resp;
struct ucma_context *ctx;
+ enum ib_qp_type qp_type;
int ret;
if (out_len < sizeof(resp))
@@ -382,6 +397,10 @@ static ssize_t ucma_create_id(struct ucma_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
+ ret = ucma_get_qp_type(&cmd, &qp_type);
+ if (ret)
+ return ret;
+
mutex_lock(&file->mut);
ctx = ucma_alloc_ctx(file);
mutex_unlock(&file->mut);
@@ -389,7 +408,7 @@ static ssize_t ucma_create_id(struct ucma_file *file,
return -ENOMEM;
ctx->uid = cmd.uid;
- ctx->cm_id = rdma_create_id(ucma_event_handler, ctx, cmd.ps);
+ ctx->cm_id = rdma_create_id(ucma_event_handler, ctx, cmd.ps, qp_type);
if (IS_ERR(ctx->cm_id)) {
ret = PTR_ERR(ctx->cm_id);
goto err1;
@@ -1338,9 +1357,11 @@ static const struct file_operations ucma_fops = {
};
static struct miscdevice ucma_misc = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "rdma_cm",
- .fops = &ucma_fops,
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "rdma_cm",
+ .nodename = "infiniband/rdma_cm",
+ .mode = 0666,
+ .fops = &ucma_fops,
};
static ssize_t show_abi_version(struct device *dev,