tcpdump mailing list archives

Re: standard pcap-1.0.0 with mmap?


From: d00fy <d00fy () 163 com>
Date: Tue, 23 Feb 2010 12:21:01 +0800 (CST)

Ok,I know it, thanks! 



在2010-02-23?10:18:52,"Guy?Harris"?<guy () alum mit edu>?写道:

On?Feb?22,?2010,?at?5:40?PM,?d00fy?wrote:

?Does?pcap-1.0.0?use?mmap?to?copy?packets?from?kernel?space?to?user?spcace?as?default?

If?it's?compiled?on

      1)?a?Linux?distribution?with?the?right?headers?to?allow?it?to?support?memory-mapped?capture

or

      2)?a?FreeBSD?release?with?memory-mapped?capture?support

and?it's?running?on

      1)?a?Linux?distribution?whose?kernel?supports?memory-mapped?capture

or

      2)?a?FreeBSD?release?that?supports?memory-mapped?capture

then,?unless?some?part?of?setting?up?memory-mapped?capture?fails,?it?will?use?it.-
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