On Mon, Jul 13, 2009 at 4:58 PM, Woodruff, Robert
J<robert.j.woodr...@intel.com> wrote:
> Eli Cohen wrote,
>
>>Since RDMAoE is using Ethernet as its link layer, there is no need for QP0.
>>QP1
>>is still needed since it handles communications between CM agents. This patch
>>will create only QP1 for RDMAoE ports.
>
>
> Trying to emulate IB for mad services is a total hack and not how this
> new transport should be added into the core. It should be it's own transport
> type,
> just like iWarp was added.
> You should start with adding a new transport type to ib_verbs.h,
> e.g.,
>
>
> --- ib_verbs.h 2009-07-13 09:06:10.000000000 -0400
> +++ ib_verbs_new.h 2009-07-14 03:00:23.000000000 -0400
> @@ -64,12 +64,14 @@ enum rdma_node_type {
> RDMA_NODE_IB_CA = 1,
> RDMA_NODE_IB_SWITCH,
> RDMA_NODE_IB_ROUTER,
> - RDMA_NODE_RNIC
> + RDMA_NODE_RNIC,
> + RDMA_NODE_IBXOE
> };
>
> enum rdma_transport_type {
> RDMA_TRANSPORT_IB,
> - RDMA_TRANSPORT_IWARP
> + RDMA_TRANSPORT_IWARP,
> + RDMA_TRANSPORT_IBXOE
> };
>
> enum rdma_transport_type
Unfortunately I don't think it's this simple although I wish it were.
IBXOE is on a per port rather than a per node basis which is a
different model than we've used for IB or iWARP.
-- Hal
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