On Tue, Jun 12, 2007 at 06:05:21AM -0400, Andrew Gallatin wrote: > Pyun YongHyeon [EMAIL PROTECTED] wrote: > > yongari 2007-06-12 02:35:01 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/dev/nfe if_nfe.c if_nfereg.h > > Log: > > Increase a maximum segment size of DMA to 4096. Previously it used > > MCLBYTES for the segment size but it used too many Tx descriptors in > > TSO case. > > While I'm here adjust maximum size of the sum of all segment lengths > > in a given DMA mapping to 65535, the maximum size, in bytes, of a IP > > Can't it actually be 65535 + link layer headers? Eg, up to > 65535 + 14 or 65535 + 18? >
Oops, you're right. It should be 65535 + sizeof(struct ether_vlan_header). Thanks for pointing out! :) > Drew -- Regards, Pyun YongHyeon _______________________________________________ cvs-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
