cvs commit: src/sys/pci if_rlreg.h src/sys/dev/re if_re.c

Andre Oppermann andre at freebsd.org
Tue Jan 15 05:58:32 PST 2008


Pyun YongHyeon wrote:
> yongari     2008-01-15 01:10:31 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/pci              if_rlreg.h 
>     sys/dev/re           if_re.c 
>   Log:
>   Overhaul re(4).
>     -  The number of allowable Tx DMA segments for a mbuf chains are
>        now 32 instead of magic nseg value. If the number of available
>        Tx descriptors are short enough to send highly fragmented mbuf
>        chains an optimized re_defrag() is called to collapse mbuf
>        chains which is supposed to be much faster than m_defrag(9).
>        re_defrag() was borrowed from ath(4).

If this function is used more often we should make it a public
function within the mbuf framework.  Copying this stuff around
is evil(TM).

-- 
Andre


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