[openib-general] RE: [PATCH] osm: support for trivial PKey manager

[Hal Rosenstock]

Hi again Ofer,

On Thu, 2005-12-29 at 11:14, Ofer Gigi wrote:
> Hi Hal,
> Sorry, I didn't see there are other questions below....
> 
> Here are the answers:
> 1. Might 0x7fff be better in this case ?
> As I said, currently all IB devices come up from reset with
> preconfigured 0xffff key. Since we don't want to be inconsistent, we
> decided to insert 0xffff.

In the long run, 0x7fff might be better for these ports. Making every
port in the default full partition makes them accessible to everyone.

> 2. Can you elaborate on any plans in this area as to timing and what
> "full"
> means ?
> Since all IB devices come up from reset with 0xffff, and anyway, we
> insert it when 0x7fff or 0xffff doesn't exist, currently all physical
> ports belong to the same Pkey group, so there is no meaning to pkey
> groups.
> In the future, we would like to have a Pkey manager that will manage
> different Pkey groups (that don't share the same pkeys) for the physical
> ports.

So what is there now just ensures the full (or limited) default
partition is configured on every port where pkeys are supported.

> 3. Can you elaborate on the testing ?
> In the test, the following steps were done:
> 1. Remove 0x7fff or 0xffff from all physical ports

How is this step done ?

> 2. Force full sweep.
> 3. Verified that all physical ports have now 0xffff

Thanks.

-- Hal

> Thanks!
> Ofer