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    Subject[PATCH v6 23/26] IB/Verbs: Use management helper cap_af_ib()
    Date
    Introduce helper cap_af_ib() to help us check if the port of an
    IB device support Native Infiniband Address.

    Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
    Cc: Steve Wise <swise@opengridcomputing.com>
    Cc: Tom Talpey <tom@talpey.com>
    Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
    Cc: Doug Ledford <dledford@redhat.com>
    Cc: Ira Weiny <ira.weiny@intel.com>
    Cc: Sean Hefty <sean.hefty@intel.com>
    Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
    ---
    drivers/infiniband/core/cma.c | 2 +-
    include/rdma/ib_verbs.h | 15 +++++++++++++++
    2 files changed, 16 insertions(+), 1 deletion(-)

    diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
    index 58ec946..21d2d1a 100644
    --- a/drivers/infiniband/core/cma.c
    +++ b/drivers/infiniband/core/cma.c
    @@ -469,7 +469,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)

    list_for_each_entry(cur_dev, &dev_list, list) {
    for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
    - if (!rdma_ib_or_iboe(cur_dev->device, p))
    + if (!cap_af_ib(cur_dev->device, p))
    continue;

    if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
    diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
    index 4229ae2..2d4e6ac 100644
    --- a/include/rdma/ib_verbs.h
    +++ b/include/rdma/ib_verbs.h
    @@ -1864,6 +1864,21 @@ static inline int cap_ib_mcast(struct ib_device *device, u8 port_num)
    }

    /**
    + * cap_af_ib - Check if the port of device has the capability
    + * Native Infiniband Address.
    + *
    + * @device: Device to be checked
    + * @port_num: Port number of the device
    + *
    + * Return 0 when port of the device don't support
    + * Native Infiniband Address.
    + */
    +static inline int cap_af_ib(struct ib_device *device, u8 port_num)
    +{
    + return rdma_ib_or_iboe(device, port_num);
    +}
    +
    +/**
    * cap_read_multi_sge - Check if the port of device has the capability
    * RDMA Read Multiple Scatter-Gather Entries.
    *
    --
    2.1.0


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