cvs commit: src/sys/dev/nfe if_nfe.c if_nfereg.h
Andrew Gallatin
gallatin at cs.duke.edu
Tue Jun 12 10:05:49 UTC 2007
Pyun YongHyeon [yongari at FreeBSD.org] 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?
Drew
More information about the cvs-src
mailing list