DHCP
Sebastian Huber
sebastian.huber at embedded-brains.de
Fri Mar 22 08:18:04 UTC 2013
On 03/22/2013 12:19 AM, Claus, Ric wrote:
> Thanks, Chris, that was a great help! It triggered me to try tcpdump. I see in its output exactly the buffer that my driver is claiming to have sent, along with complaints of 'oui Unknown'.
>
> It smells like someone is adding sizeof(struct ether_header) to the mbuf payload pointer instead of subtracting it somewhere.
>
> Surprising, but I guess no one uses DHCP...
This is just a wild guess. The ARM tool chains for 4.10 and 4.11 differ
greatly. The 4.10 version uses an outdated ABI. In 4.10 the network stack
does not work without the -mstructure-size-boundary=8 GCC option.
--
Sebastian Huber, embedded brains GmbH
Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone : +49 89 189 47 41-16
Fax : +49 89 189 47 41-09
E-Mail : sebastian.huber at embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
More information about the devel
mailing list