On Fri, Feb 03, 2006 at 03:07:03PM +0300, Gleb Smirnoff wrote: > On Fri, Feb 03, 2006 at 02:30:54AM -0800, kamal kc wrote: > k> so what do i need to do if i don't want to calculate > k> the ip checksum myself ? > k> > k> right now i am taking off packet from the kernel > k> and modifying some of the data content, and > k> outputting to the IFQ_HANDOFF myself. and i > k> am calculating the checksum myself. > k> > k> i guess if xl would support the > k> hardware checksumming i could use that > k> feature. > k> > k> i am just a beginner and i am not getting > k> the clear picture. > > If interfaces has enabled capabilities for checksum offloading, then > the kernel skips checksum calculation. > > See http://people.freebsd.org/~jlemon/csum.txt
FWIW, the details of hardware-assisted checksumming are also documented on the mbuf(9) and ifnet(9) manpages. -- Yar _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
