I really do not know how to describe the problem. But a friend here asks me how to mmap a network buffer so that there is no need to copy the data from user space to kernel space. We are not sure whether FreeBSD can create a device file (mknod) for a network card, and if so, we can use the mmap() call to do so because mmap() requires a file descriptor. We assume that the file descriptor can be acquired by opening the network device. If this is infeasible, is there another way to accomplish the same goal?
Thanks for any enlightment. -Zhihui -------------------------------------------------- Zhihui Zhang. Please visit http://www.freebsd.org -------------------------------------------------- To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
