Subject: Re: 80Mbps routing with Micrel KS8695
To: Jachym Holecek <firstname.lastname@example.org>
From: Jesse Off <joff@embeddedARM.com>
Date: 01/15/2005 09:23:10
> I'd like to be wrong, but I don't think so (for Tx mbufs). I had to
> m_copy() as well in a driver for a card that can't handle byte-enable
> signals -- also, it was necessary to check all bus_dma_segments for
> proper alignment to prevent data corruption. *Uff*.
I didn't think so. :-(
I also had to do this, but I couldn't ever get the stack to send me an
mbuf chain that consisted of more than one bus_dma_segment (packet either
in 1 mbuf or 1 cluster). Any idea of how to provoke a multi-mbuf packet?
I'd really like to test that code path in my driver.