event->param.conn.qp_num = req_data->remote_qpn;
}
+static int cma_check_req_qp_type(struct rdma_cm_id *id, struct ib_cm_event *ib_event)
+{
+ return (((ib_event->event == IB_CM_REQ_RECEIVED) ||
+ (ib_event->param.req_rcvd.qp_type == id->qp_type)) ||
+ ((ib_event->event == IB_CM_SIDR_REQ_RECEIVED) &&
+ (id->qp_type == IB_QPT_UD)) ||
+ (!id->qp_type));
+}
+
static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
{
struct rdma_id_private *listen_id, *conn_id;
int offset, ret;
listen_id = cm_id->context;
+ if (!cma_check_req_qp_type(&listen_id->id, ib_event))
+ return -EINVAL;
+
if (cma_disable_callback(listen_id, RDMA_CM_LISTEN))
return -ECONNABORTED;
memset(&event, 0, sizeof event);
offset = cma_user_data_offset(listen_id->id.ps);
event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
- if (listen_id->id.qp_type == IB_QPT_UD) {
+ if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) {
conn_id = cma_new_udp_id(&listen_id->id, ib_event);
event.param.ud.private_data = ib_event->private_data + offset;
event.param.ud.private_data_len =