On 21/05/2015 08:48, Or Gerlitz wrote: > On Thu, May 21, 2015 at 8:33 AM, Haggai Eran <hagg...@mellanox.com> wrote: >> On 20/05/2015 02:55, Jason Gunthorpe wrote: >>> On Sun, May 17, 2015 at 08:51:00AM +0300, Haggai Eran wrote: >>>>> From: Guy Shapiro <gu...@mellanox.com> >>>>> >>>>> Implement the get_net_device_by_port_pkey_ip callback that returns network >>>>> device to ib_core according to connection parameters. Check the ipoib >>>>> device and iterate over all child devices to look for a match. >>> Can you give a run down on how to actually set this up? Like what >>> shell command do you execute? >> >> Sure. >> >> There are two methods to create new child interface for IPoIB. >> For a specific P_Key, write the desired P_Key to the create_child sysfs >> file: >> # echo 0x8000 > /sys/class/net/ib0/create_child >> This creates a new interface ib0.8000 operating with P_Key 0x8000. > > 0x8000 is practically zero (bits 15-0), right? not sure this is a valid pkey. Right, bad example :)
> > >> To create a new child interface on the default P_Key, its possible to >> use iproute: >> # ip link add link ib0 name ib0.1 type ipoib > > you can use non default pkeys as well here. > > $ ip link add link ib0 name ib0.1 type ipoib pkey 0x8001 > Right. I think when we started development of the namespaces patches these child interfaces (rtnetlink with pkey) didn't work for us, but I checked now on an updated kernel and they do. Haggai -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
