Subject: Re: hw ip4csum-tx bug on ex(4)? (Re: RTL8169 hw IP4CSUM_Tx workaround)
To: None <,>
From: Izumi Tsutsui <>
List: tech-kern
Date: 11/09/2006 22:34:09
mouse@Rodents.Montreal.QC.CA wrote:

> > Hmm, is there any actual protocal which could create "slightly (i.e.
> > 1 or 2) larger than our MTU"?
> An NFS(-over-UDP) read of a suitably sized file can do it - as,
> presumably, can an NFS write of a suitably sized chunk of data.

With a quick grance, NFS UDP packets seem rounded to multiples
of 4 bytes, but certain UDP protocols actually have odd bytes.

I'll commit the workaround for the ex(4) ip4csum-tx bug
if there is no objection in a few days.
Izumi Tsutsui