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Date: Tue, 15 Jan 2008 10:55:42 +0100
From: Roman Divacky <rdivacky@FreeBSD.org>
To: Pyun YongHyeon <yongari@FreeBSD.org>
Message-ID: <20080115095542.GA34226@freebsd.org>
References: <200801150110.m0F1AVlA001255@repoman.freebsd.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/pci if_rlreg.h src/sys/dev/re if_re.c
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>     -  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).

would it make sense to introduce a new foo_defrag() to not duplicate
the ath|re_defrag() all over the place?