Hello i was developping a new netlink protocol family which call it KUF, till now i could transfer data from a userspace program to this module in kernel ,but couldn't transfer data in reverse order. thanx in advanced if anybody can help me or introduce me a useful source that implement same thing. --Hossein safy allah - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html