PERFORCE change 111230 for review
glebius at FreeBSD.org
Thu Dec 7 03:04:41 PST 2006
On Wed, Dec 06, 2006 at 11:19:42PM +0000, Paolo Pisati wrote:
P> Change 111230 by piso at piso_newluxor on 2006/12/06 23:19:06
P> To workaround a problem when an mbuf is bigger than MCLBYTES
P> (and thus not handled by m_megapullup()), introduce & use
P> m_jumbo16pullup() that uses 16k jumbo size cluster.
P> This problem only showed up on traffic generated on a box with
P> a nic tso enabled.
this isn't a fix. Another application will do write(,, 16k + 1) and
m_jumbo16pullup() will fail again. Please backout it, it is a hack.
We need to fix TSO in such way that real packets, that will be
transmitted to wire, will be passed to pfil handlers.
Totus tuus, Glebius.
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