1998-08-07 22:43:57

by Olivier Galibert

[permalink] [raw]
Subject: Re: Idea to make a kickass TCP read!

On Fri, Aug 07, 1998 at 01:52:16PM +0100, Alan Cox wrote:
> > Why couldn't we at least mmap the skbuffs?
> By the time you've done the required TLB flushes on an SMP box at least
> a copy would have been cheaper. You can do ring buffers mapped into user
> space stuff - U-Net does exactly that. Its a recognition that sometimes
> ultralow latencies require specialist interfaces

Virtual Interface Architecture seems to be a nice one. At least the
spec is promising.


I wonder if such an interface can be implemented with the current
driver structure. Probably, but alignment problems will suck.