RE: [PATCH v6 02/26] IB/Verbs: Implement raw management helpers

[Liran Liss]

> From: linux-rdma-owner@xxxxxxxxxxxxxxx [mailto:linux-rdma-
> 
> Add raw helpers:
> 	rdma_tech_ib
> 	rdma_tech_iboe
> 	rdma_tech_iwarp
> 	rdma_ib_or_iboe (transition, clean up later) To help us detect which
> technology the port supported.
> 

Replace "rdma_tech_*" with "rdma_protocol_*".

> Cc: Hal Rosenstock <hal@xxxxxxxxxxxxxxxxxx>
> Cc: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
> Cc: Tom Talpey <tom@xxxxxxxxxx>
> Cc: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>
> Cc: Doug Ledford <dledford@xxxxxxxxxx>
> Cc: Ira Weiny <ira.weiny@xxxxxxxxx>
> Cc: Sean Hefty <sean.hefty@xxxxxxxxx>
> Signed-off-by: Michael Wang <yun.wang@xxxxxxxxxxxxxxxx>
> ---
>  include/rdma/ib_verbs.h | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index
> d54f91e..a12e876 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -1748,6 +1748,31 @@ int ib_query_port(struct ib_device *device,  enum
> rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
>  					       u8 port_num);
> 
> +static inline int rdma_tech_ib(struct ib_device *device, u8 port_num) {
> +	return device->query_transport(device, port_num)
> +			== RDMA_TRANSPORT_IB;
> +}
> +
> +static inline int rdma_tech_iboe(struct ib_device *device, u8 port_num)
> +{
> +	return device->query_transport(device, port_num)
> +			== RDMA_TRANSPORT_IBOE;

Remove RDMA_TRANSPORT_IBOE.
In the current code, the test should be: (IB transport && Ethernet link layer).

We can later consider each provider declaring the transports directly.

> +}
> +
> +static inline int rdma_tech_iwarp(struct ib_device *device, u8
> +port_num) {
> +	return device->query_transport(device, port_num)
> +			== RDMA_TRANSPORT_IWARP;
> +}
> +
> +static inline int rdma_ib_or_iboe(struct ib_device *device, u8
> +port_num) {
> +	enum rdma_transport_type tp = device->query_transport(device,
> +port_num);
> +
> +	return (tp == RDMA_TRANSPORT_IB || tp ==
> RDMA_TRANSPORT_IBOE); }

Remove RDMA_TRANSPORT_IBOE.
Just test against RDMA_TRANSPORT_IB.

> +
>  int ib_query_gid(struct ib_device *device,
>  		 u8 port_num, int index, union ib_gid *gid);
> 
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