Re: Half Duplex and Zero Copy IP

[Andi Kleen]

In article <[e-mail]>,
[e-mail] (Jamie Lokier) writes:
> This means that you cannot use mmap() on a packet socket to zero-copy
> read whole packets.  In fact there is no way to zero-copy read whole
> packets into user space, without modifying the kernel.

[...]
Yes, sorry, I should have written single copy.
Zero copy read is currently only possible for kernel clients with hacks.

-Andi