netdev - Re: LRO restructuring?

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Message-ID:  <loom.20090219T221928-196@post.gmane.org>
Date:	Thu, 19 Feb 2009 22:20:53 +0000 (UTC)
From:	James Huang <jamesclhuang@...il.com>
To:	netdev@...r.kernel.org
Subject:  Re: LRO restructuring?


Hi all,
 
    One question about inet_lro.c (linux 2.6.28.6)
In lro_proc_segment(), it does not check the number of available frags entries 
in lro_desc->parent against the number of new fragments to be added before 
calling lro_add_frags().  Is that a bug?  I see that lro_proc_segment() does 
some type of checking at the end, but could that be too late (i.e. overflow 
the frags[])??
 
    Also I think some obvious optimization in lro_get_desc() can be done by 
combining the two for loops into one.
 
-- James Huang




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