Re: mmap()ed packet socket

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On Tue, Jan 30, 2001 at 07:31:45PM -0500, Jason Lunz wrote:
> I'm looking at the mmap() interface to packet sockets, as I need to look
> at raw ethernet frames as fast as possible. This message from Andi Kleen
> implies that there's no documentation for it anywhere:
> 
> http://www.uwsg.iu.edu/hypermail/linux/net/0008.0/0141.html
> 
> ...so I've been reading the 2.4.0 implementation of it and examining
> Alexey Kuznetsov's patches to libpcap-0.4 for it. What's the difference
> between the PACKET_RX_RING and PACKET_TRECV implementations? I'm
> assuming the latter refers to Alexey's turbopacket patch...should I be
> looking into that? What's the best way to go about this?

Turbopacket is obsolete, you should be using mmap/PACKET_RX_RING. 

Way to do it is to RTFS, but I would take patches to the man page that
document it ;)


-Andi
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