[ofa-general] RE: [ewg] [PATCH 2/8 v3] ib_core: RDMAoE support onlyQP1

[Liran Liss]

S.B.
--Liran 


> 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.,

LL: it is not a hack: RDMAoE will probably use mad services at least for
connection management, and additional ones in the future.


--- 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
 };

LL: a multi-port HCA can have both IB and Ethernet ports, so this is not
a per-node thing.

 enum rdma_transport_type {
        RDMA_TRANSPORT_IB,
-       RDMA_TRANSPORT_IWARP
+       RDMA_TRANSPORT_IWARP,
+       RDMA_TRANSPORT_IBXOE
 };

LL: thanks, we will look into this. I am not sure that "transport" is
the right terminology, since we are using the IB transport layer.


 enum rdma_transport_type_______________________________________________
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