cvs commit: src/sys/dev/em if_em.c

Pyun YongHyeon pyunyh at gmail.com
Mon Aug 14 09:17:46 UTC 2006


On Mon, Aug 14, 2006 at 12:50:14PM +0400, Gleb Smirnoff wrote:
 > Pyun,
 > 
 > On Mon, Aug 14, 2006 at 02:21:26AM +0000, Pyun YongHyeon wrote:
 > P>   FreeBSD src repository
 > P> 
 > P>   Modified files:
 > P>     sys/dev/em           if_em.c 
 > P>   Log:
 > P>   Make em(4) handle too many fragmented frame with m_defrag(9).
 > P>   Previously em(4) requeued the failed mbuf chains from
 > P>   bus_dmamap_load_mbuf_sg(9) failure to resend it later. However,
 > P>   bus_dmamap_load_mbuf_sg(9) may never complete its request as the
 > P>   fragmented frames can have more than EM_MAX_SCATTER segments.
 > P>   To handle the above EFBIG case, defragment the frame with m_defrag(9)
 > P>   and free the mbuf chain if it can't deframent the chain due to
 > P>   resource shortage.
 > 
 > Big thanks for working on this and previous commits!
 > 
 > Did the originator of kern/86306 respond to your patch?

Not yet.
 > Can I assign this PR to you?
 > 
Yes. I'll handle the PR.

-- 
Regards,
Pyun YongHyeon


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