[ewg] [PATCH 2/8 v3] ib_core: RDMAoE support only QP1

[Woodruff, Robert J]

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