How to switch Datgram/Connected mtu modes?
jhb at freebsd.org
Wed May 29 18:16:49 UTC 2013
On Sunday, May 26, 2013 7:43:29 am Alex Liptsin wrote:
> I work with FreeBSD 9.1 and Mellanox devices.
> How can I configure MTU in connected mode on FreeBSD 9.1?
> In Linux to enable connected mode for interface ib0, I enter:
> echo connected > /sys/class/net/ib0/mode
> Switching between CM and UD mode can be done in run time:
> echo datagram > /sys/class/net/ib0/mode sets the mode of ib0 to UD
> echo connected > /sys/class/net/ib0/mode sets the mode ib0 to CM
> There is no such directories at FreeBSD. Wat shall I do?
Have you tried looking for dev.ib.0 sysctls? It looks like the OFED bits in
FreeBSD map Linux sysfs entries to sysctl nodes, but I don't have a box with
IB handy to see what it looks like at runtime.
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