There are plenty of lengthy code to check the transport type of IB device,
or the link layer type of it's port, but actually we are just speculating
whether a particular management is supported by the device/port.

Thus instead of inferring, we should have our own mechanism for
IB management capability/protocol checking, several proposals below.

This patch set is the pioneer which try to collecting all the cases where
a management helper applicable, and put all the speculating logical together,
in order to be easily integrated to the new querying mechanism in future.

TODO:
    The helper in patch 10 and 11 are still to be classified, that is
    cap_ib() and cap_eth().

    The name/description of each helper may not correct enough, those folks
    who are familiar with these particular parts, your suggestion would be
    invaluable ;-)

Proposals:
    Sean:
    https://www.mail-archive.com/linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org/msg23339.html
    Doug:
    https://www.mail-archive.com/linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org/msg23418.html
    Jason:
    https://www.mail-archive.com/linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org/msg23425.html

Michael Wang (11):
    [PATCH 01/11] IB/Verbs: Use helpers to check transport and link layer
    [RFC PATCH 02/11] IB/Verbs: Use management helper tech_iboe() for iboe-check
    [RFC PATCH 03/11] IB/Verbs: Use management helper has_mad() for mad-check
    [RFC PATCH 04/11] IB/Verbs: Use management helper cap_smi() for smi-check
    [RFC PATCH 05/11] IB/Verbs: Use management helper has_cm() for cm-check
    [RFC PATCH 06/11] IB/Verbs: Use management helper has_sa() and cap_sa() for sa-check
    [RFC PATCH 07/11] IB/Verbs: Use management helper has_mcast() and cap_mcast() for mcast-check
    [RFC PATCH 08/11] IB/Verbs: Use management helper has_iwarp() for iwarp-check
    [RFC PATCH 09/11] IB/Verbs: Use management helper has_ipoib() and cap_ipoib() for ipoib-check
    [RFC PATCH 10/11] IB/Verbs: Use management helper cap_ib() for ib-check
    [RFC PATCH 11/11] IB/Verbs: Use management helper cap_eth() for eth-check

---
 drivers/infiniband/core/agent.c           |    6
 drivers/infiniband/core/cm.c              |    6
 drivers/infiniband/core/cma.c             |   79 ++++------
 drivers/infiniband/core/mad.c             |   18 +-
 drivers/infiniband/core/multicast.c       |   30 +---
 drivers/infiniband/core/sa_query.c        |   42 ++---
 drivers/infiniband/core/ucm.c             |    8 -
 drivers/infiniband/core/user_mad.c        |    6
 drivers/infiniband/core/verbs.c           |   14 -
 drivers/infiniband/hw/mlx4/ah.c           |    6
 drivers/infiniband/hw/mlx4/cq.c           |   10 -
 drivers/infiniband/hw/mlx4/mad.c          |   36 +---
 drivers/infiniband/hw/mlx4/main.c         |   23 +--
 drivers/infiniband/hw/mlx4/mlx4_ib.h      |    6
 drivers/infiniband/hw/mlx4/qp.c           |   57 ++-----
 drivers/infiniband/hw/mlx4/sysfs.c        |   16 --
 drivers/infiniband/ulp/ipoib/ipoib_main.c |   18 +-
 include/rdma/ib_verbs.h                   |  218 ++++++++++++++++++++++++++++++
 net/sunrpc/xprtrdma/svc_rdma_recvfrom.c   |    8 -
 19 files changed, 381 insertions(+), 226 deletions(-)

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