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    SubjectRe: [PATCH v5 01/27] IB/Verbs: Implement new callback query_transport()
    On Mon, Apr 20, 2015 at 10:32:01AM +0200, Michael Wang wrote:
    >
    > Add new callback query_transport() and implement for each HW.
    >
    > Mapping List:
    > node-type link-layer old-transport new-transport
    > nes RNIC ETH IWARP IWARP
    > amso1100 RNIC ETH IWARP IWARP
    > cxgb3 RNIC ETH IWARP IWARP
    > cxgb4 RNIC ETH IWARP IWARP
    > usnic USNIC_UDP ETH USNIC_UDP USNIC_UDP
    > ocrdma IB_CA ETH IB IBOE
    > mlx4 IB_CA IB/ETH IB IB/IBOE
    > mlx5 IB_CA IB IB IB
    > ehca IB_CA IB IB IB
    > ipath IB_CA IB IB IB
    > mthca IB_CA IB IB IB
    > qib IB_CA IB IB IB
    >
    > 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>

    Reviewed-by: Ira Weiny <ira.weiny@intel.com>

    > ---
    > drivers/infiniband/core/device.c | 1 +
    > drivers/infiniband/core/verbs.c | 4 +++-
    > drivers/infiniband/hw/amso1100/c2_provider.c | 7 +++++++
    > drivers/infiniband/hw/cxgb3/iwch_provider.c | 7 +++++++
    > drivers/infiniband/hw/cxgb4/provider.c | 7 +++++++
    > drivers/infiniband/hw/ehca/ehca_hca.c | 6 ++++++
    > drivers/infiniband/hw/ehca/ehca_iverbs.h | 3 +++
    > drivers/infiniband/hw/ehca/ehca_main.c | 1 +
    > drivers/infiniband/hw/ipath/ipath_verbs.c | 7 +++++++
    > drivers/infiniband/hw/mlx4/main.c | 10 ++++++++++
    > drivers/infiniband/hw/mlx5/main.c | 7 +++++++
    > drivers/infiniband/hw/mthca/mthca_provider.c | 7 +++++++
    > drivers/infiniband/hw/nes/nes_verbs.c | 6 ++++++
    > drivers/infiniband/hw/ocrdma/ocrdma_main.c | 1 +
    > drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 6 ++++++
    > drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 3 +++
    > drivers/infiniband/hw/qib/qib_verbs.c | 7 +++++++
    > drivers/infiniband/hw/usnic/usnic_ib_main.c | 1 +
    > drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 6 ++++++
    > drivers/infiniband/hw/usnic/usnic_ib_verbs.h | 2 ++
    > include/rdma/ib_verbs.h | 7 ++++++-
    > 21 files changed, 104 insertions(+), 2 deletions(-)
    >
    > diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
    > index 18c1ece..a9587c4 100644
    > --- a/drivers/infiniband/core/device.c
    > +++ b/drivers/infiniband/core/device.c
    > @@ -76,6 +76,7 @@ static int ib_device_check_mandatory(struct ib_device *device)
    > } mandatory_table[] = {
    > IB_MANDATORY_FUNC(query_device),
    > IB_MANDATORY_FUNC(query_port),
    > + IB_MANDATORY_FUNC(query_transport),
    > IB_MANDATORY_FUNC(query_pkey),
    > IB_MANDATORY_FUNC(query_gid),
    > IB_MANDATORY_FUNC(alloc_pd),
    > diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
    > index f93eb8d..626c9cf 100644
    > --- a/drivers/infiniband/core/verbs.c
    > +++ b/drivers/infiniband/core/verbs.c
    > @@ -133,14 +133,16 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_
    > if (device->get_link_layer)
    > return device->get_link_layer(device, port_num);
    >
    > - switch (rdma_node_get_transport(device->node_type)) {
    > + switch (device->query_transport(device, port_num)) {
    > case RDMA_TRANSPORT_IB:
    > return IB_LINK_LAYER_INFINIBAND;
    > + case RDMA_TRANSPORT_IBOE:
    > case RDMA_TRANSPORT_IWARP:
    > case RDMA_TRANSPORT_USNIC:
    > case RDMA_TRANSPORT_USNIC_UDP:
    > return IB_LINK_LAYER_ETHERNET;
    > default:
    > + BUG();
    > return IB_LINK_LAYER_UNSPECIFIED;
    > }
    > }
    > diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
    > index bdf3507..d46bbb0 100644
    > --- a/drivers/infiniband/hw/amso1100/c2_provider.c
    > +++ b/drivers/infiniband/hw/amso1100/c2_provider.c
    > @@ -99,6 +99,12 @@ static int c2_query_port(struct ib_device *ibdev,
    > return 0;
    > }
    >
    > +static enum rdma_transport_type
    > +c2_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IWARP;
    > +}
    > +
    > static int c2_query_pkey(struct ib_device *ibdev,
    > u8 port, u16 index, u16 * pkey)
    > {
    > @@ -801,6 +807,7 @@ int c2_register_device(struct c2_dev *dev)
    > dev->ibdev.dma_device = &dev->pcidev->dev;
    > dev->ibdev.query_device = c2_query_device;
    > dev->ibdev.query_port = c2_query_port;
    > + dev->ibdev.query_transport = c2_query_transport;
    > dev->ibdev.query_pkey = c2_query_pkey;
    > dev->ibdev.query_gid = c2_query_gid;
    > dev->ibdev.alloc_ucontext = c2_alloc_ucontext;
    > diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
    > index 811b24a..09682e9e 100644
    > --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
    > +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
    > @@ -1232,6 +1232,12 @@ static int iwch_query_port(struct ib_device *ibdev,
    > return 0;
    > }
    >
    > +static enum rdma_transport_type
    > +iwch_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IWARP;
    > +}
    > +
    > static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
    > char *buf)
    > {
    > @@ -1385,6 +1391,7 @@ int iwch_register_device(struct iwch_dev *dev)
    > dev->ibdev.dma_device = &(dev->rdev.rnic_info.pdev->dev);
    > dev->ibdev.query_device = iwch_query_device;
    > dev->ibdev.query_port = iwch_query_port;
    > + dev->ibdev.query_transport = iwch_query_transport;
    > dev->ibdev.query_pkey = iwch_query_pkey;
    > dev->ibdev.query_gid = iwch_query_gid;
    > dev->ibdev.alloc_ucontext = iwch_alloc_ucontext;
    > diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
    > index 66bd6a2..a445e0d 100644
    > --- a/drivers/infiniband/hw/cxgb4/provider.c
    > +++ b/drivers/infiniband/hw/cxgb4/provider.c
    > @@ -390,6 +390,12 @@ static int c4iw_query_port(struct ib_device *ibdev, u8 port,
    > return 0;
    > }
    >
    > +static enum rdma_transport_type
    > +c4iw_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IWARP;
    > +}
    > +
    > static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
    > char *buf)
    > {
    > @@ -506,6 +512,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
    > dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev);
    > dev->ibdev.query_device = c4iw_query_device;
    > dev->ibdev.query_port = c4iw_query_port;
    > + dev->ibdev.query_transport = c4iw_query_transport;
    > dev->ibdev.query_pkey = c4iw_query_pkey;
    > dev->ibdev.query_gid = c4iw_query_gid;
    > dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext;
    > diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
    > index 9ed4d25..d5a34a6 100644
    > --- a/drivers/infiniband/hw/ehca/ehca_hca.c
    > +++ b/drivers/infiniband/hw/ehca/ehca_hca.c
    > @@ -242,6 +242,12 @@ query_port1:
    > return ret;
    > }
    >
    > +enum rdma_transport_type
    > +ehca_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IB;
    > +}
    > +
    > int ehca_query_sma_attr(struct ehca_shca *shca,
    > u8 port, struct ehca_sma_attr *attr)
    > {
    > diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
    > index 22f79af..cec945f 100644
    > --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
    > +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
    > @@ -49,6 +49,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
    > int ehca_query_port(struct ib_device *ibdev, u8 port,
    > struct ib_port_attr *props);
    >
    > +enum rdma_transport_type
    > +ehca_query_transport(struct ib_device *device, u8 port_num);
    > +
    > int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
    > struct ehca_sma_attr *attr);
    >
    > diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
    > index cd8d290..60e0a09 100644
    > --- a/drivers/infiniband/hw/ehca/ehca_main.c
    > +++ b/drivers/infiniband/hw/ehca/ehca_main.c
    > @@ -467,6 +467,7 @@ static int ehca_init_device(struct ehca_shca *shca)
    > shca->ib_device.dma_device = &shca->ofdev->dev;
    > shca->ib_device.query_device = ehca_query_device;
    > shca->ib_device.query_port = ehca_query_port;
    > + shca->ib_device.query_transport = ehca_query_transport;
    > shca->ib_device.query_gid = ehca_query_gid;
    > shca->ib_device.query_pkey = ehca_query_pkey;
    > /* shca->in_device.modify_device = ehca_modify_device */
    > diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
    > index 44ea939..58d36e3 100644
    > --- a/drivers/infiniband/hw/ipath/ipath_verbs.c
    > +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
    > @@ -1638,6 +1638,12 @@ static int ipath_query_port(struct ib_device *ibdev,
    > return 0;
    > }
    >
    > +static enum rdma_transport_type
    > +ipath_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IB;
    > +}
    > +
    > static int ipath_modify_device(struct ib_device *device,
    > int device_modify_mask,
    > struct ib_device_modify *device_modify)
    > @@ -2140,6 +2146,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
    > dev->query_device = ipath_query_device;
    > dev->modify_device = ipath_modify_device;
    > dev->query_port = ipath_query_port;
    > + dev->query_transport = ipath_query_transport;
    > dev->modify_port = ipath_modify_port;
    > dev->query_pkey = ipath_query_pkey;
    > dev->query_gid = ipath_query_gid;
    > diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
    > index b972c0b..e1424ad 100644
    > --- a/drivers/infiniband/hw/mlx4/main.c
    > +++ b/drivers/infiniband/hw/mlx4/main.c
    > @@ -420,6 +420,15 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
    > return __mlx4_ib_query_port(ibdev, port, props, 0);
    > }
    >
    > +static enum rdma_transport_type
    > +mlx4_ib_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + struct mlx4_dev *dev = to_mdev(device)->dev;
    > +
    > + return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ?
    > + RDMA_TRANSPORT_IB : RDMA_TRANSPORT_IBOE;
    > +}
    > +
    > int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
    > union ib_gid *gid, int netw_view)
    > {
    > @@ -2201,6 +2210,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
    >
    > ibdev->ib_dev.query_device = mlx4_ib_query_device;
    > ibdev->ib_dev.query_port = mlx4_ib_query_port;
    > + ibdev->ib_dev.query_transport = mlx4_ib_query_transport;
    > ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer;
    > ibdev->ib_dev.query_gid = mlx4_ib_query_gid;
    > ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey;
    > diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
    > index cc4ac1e..209c796 100644
    > --- a/drivers/infiniband/hw/mlx5/main.c
    > +++ b/drivers/infiniband/hw/mlx5/main.c
    > @@ -351,6 +351,12 @@ out:
    > return err;
    > }
    >
    > +static enum rdma_transport_type
    > +mlx5_ib_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IB;
    > +}
    > +
    > static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
    > union ib_gid *gid)
    > {
    > @@ -1336,6 +1342,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
    >
    > dev->ib_dev.query_device = mlx5_ib_query_device;
    > dev->ib_dev.query_port = mlx5_ib_query_port;
    > + dev->ib_dev.query_transport = mlx5_ib_query_transport;
    > dev->ib_dev.query_gid = mlx5_ib_query_gid;
    > dev->ib_dev.query_pkey = mlx5_ib_query_pkey;
    > dev->ib_dev.modify_device = mlx5_ib_modify_device;
    > diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
    > index 415f8e1..67ac6a4 100644
    > --- a/drivers/infiniband/hw/mthca/mthca_provider.c
    > +++ b/drivers/infiniband/hw/mthca/mthca_provider.c
    > @@ -179,6 +179,12 @@ static int mthca_query_port(struct ib_device *ibdev,
    > return err;
    > }
    >
    > +static enum rdma_transport_type
    > +mthca_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IB;
    > +}
    > +
    > static int mthca_modify_device(struct ib_device *ibdev,
    > int mask,
    > struct ib_device_modify *props)
    > @@ -1281,6 +1287,7 @@ int mthca_register_device(struct mthca_dev *dev)
    > dev->ib_dev.dma_device = &dev->pdev->dev;
    > dev->ib_dev.query_device = mthca_query_device;
    > dev->ib_dev.query_port = mthca_query_port;
    > + dev->ib_dev.query_transport = mthca_query_transport;
    > dev->ib_dev.modify_device = mthca_modify_device;
    > dev->ib_dev.modify_port = mthca_modify_port;
    > dev->ib_dev.query_pkey = mthca_query_pkey;
    > diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
    > index c0d0296..8df5b61 100644
    > --- a/drivers/infiniband/hw/nes/nes_verbs.c
    > +++ b/drivers/infiniband/hw/nes/nes_verbs.c
    > @@ -606,6 +606,11 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr
    > return 0;
    > }
    >
    > +static enum rdma_transport_type
    > +nes_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IWARP;
    > +}
    >
    > /**
    > * nes_query_pkey
    > @@ -3879,6 +3884,7 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev)
    > nesibdev->ibdev.dev.parent = &nesdev->pcidev->dev;
    > nesibdev->ibdev.query_device = nes_query_device;
    > nesibdev->ibdev.query_port = nes_query_port;
    > + nesibdev->ibdev.query_transport = nes_query_transport;
    > nesibdev->ibdev.query_pkey = nes_query_pkey;
    > nesibdev->ibdev.query_gid = nes_query_gid;
    > nesibdev->ibdev.alloc_ucontext = nes_alloc_ucontext;
    > diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
    > index 7a2b59a..9f4d182 100644
    > --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
    > +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
    > @@ -244,6 +244,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
    > /* mandatory verbs. */
    > dev->ibdev.query_device = ocrdma_query_device;
    > dev->ibdev.query_port = ocrdma_query_port;
    > + dev->ibdev.query_transport = ocrdma_query_transport;
    > dev->ibdev.modify_port = ocrdma_modify_port;
    > dev->ibdev.query_gid = ocrdma_query_gid;
    > dev->ibdev.get_link_layer = ocrdma_link_layer;
    > diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
    > index 8771755..73bace4 100644
    > --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
    > +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
    > @@ -187,6 +187,12 @@ int ocrdma_query_port(struct ib_device *ibdev,
    > return 0;
    > }
    >
    > +enum rdma_transport_type
    > +ocrdma_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IBOE;
    > +}
    > +
    > int ocrdma_modify_port(struct ib_device *ibdev, u8 port, int mask,
    > struct ib_port_modify *props)
    > {
    > diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
    > index b8f7853..4a81b63 100644
    > --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
    > +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
    > @@ -41,6 +41,9 @@ int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
    > int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
    > struct ib_port_modify *props);
    >
    > +enum rdma_transport_type
    > +ocrdma_query_transport(struct ib_device *device, u8 port_num);
    > +
    > void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
    > int ocrdma_query_gid(struct ib_device *, u8 port,
    > int index, union ib_gid *gid);
    > diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
    > index 4a35998..caad665 100644
    > --- a/drivers/infiniband/hw/qib/qib_verbs.c
    > +++ b/drivers/infiniband/hw/qib/qib_verbs.c
    > @@ -1650,6 +1650,12 @@ static int qib_query_port(struct ib_device *ibdev, u8 port,
    > return 0;
    > }
    >
    > +static enum rdma_transport_type
    > +qib_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_IB;
    > +}
    > +
    > static int qib_modify_device(struct ib_device *device,
    > int device_modify_mask,
    > struct ib_device_modify *device_modify)
    > @@ -2184,6 +2190,7 @@ int qib_register_ib_device(struct qib_devdata *dd)
    > ibdev->query_device = qib_query_device;
    > ibdev->modify_device = qib_modify_device;
    > ibdev->query_port = qib_query_port;
    > + ibdev->query_transport = qib_query_transport;
    > ibdev->modify_port = qib_modify_port;
    > ibdev->query_pkey = qib_query_pkey;
    > ibdev->query_gid = qib_query_gid;
    > diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c
    > index 0d0f986..03ea9f3 100644
    > --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c
    > +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c
    > @@ -360,6 +360,7 @@ static void *usnic_ib_device_add(struct pci_dev *dev)
    >
    > us_ibdev->ib_dev.query_device = usnic_ib_query_device;
    > us_ibdev->ib_dev.query_port = usnic_ib_query_port;
    > + us_ibdev->ib_dev.query_transport = usnic_ib_query_transport;
    > us_ibdev->ib_dev.query_pkey = usnic_ib_query_pkey;
    > us_ibdev->ib_dev.query_gid = usnic_ib_query_gid;
    > us_ibdev->ib_dev.get_link_layer = usnic_ib_port_link_layer;
    > diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
    > index 53bd6a2..ff9a5f7 100644
    > --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
    > +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
    > @@ -348,6 +348,12 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
    > return 0;
    > }
    >
    > +enum rdma_transport_type
    > +usnic_ib_query_transport(struct ib_device *device, u8 port_num)
    > +{
    > + return RDMA_TRANSPORT_USNIC_UDP;
    > +}
    > +
    > int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
    > int qp_attr_mask,
    > struct ib_qp_init_attr *qp_init_attr)
    > diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
    > index bb864f5..0b1633b 100644
    > --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
    > +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
    > @@ -27,6 +27,8 @@ int usnic_ib_query_device(struct ib_device *ibdev,
    > struct ib_device_attr *props);
    > int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
    > struct ib_port_attr *props);
    > +enum rdma_transport_type
    > +usnic_ib_query_transport(struct ib_device *device, u8 port_num);
    > int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
    > int qp_attr_mask,
    > struct ib_qp_init_attr *qp_init_attr);
    > diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
    > index 65994a1..d54f91e 100644
    > --- a/include/rdma/ib_verbs.h
    > +++ b/include/rdma/ib_verbs.h
    > @@ -75,10 +75,13 @@ enum rdma_node_type {
    > };
    >
    > enum rdma_transport_type {
    > + /* legacy for users */
    > RDMA_TRANSPORT_IB,
    > RDMA_TRANSPORT_IWARP,
    > RDMA_TRANSPORT_USNIC,
    > - RDMA_TRANSPORT_USNIC_UDP
    > + RDMA_TRANSPORT_USNIC_UDP,
    > + /* new transport */
    > + RDMA_TRANSPORT_IBOE,
    > };
    >
    > __attribute_const__ enum rdma_transport_type
    > @@ -1501,6 +1504,8 @@ struct ib_device {
    > int (*query_port)(struct ib_device *device,
    > u8 port_num,
    > struct ib_port_attr *port_attr);
    > + enum rdma_transport_type (*query_transport)(struct ib_device *device,
    > + u8 port_num);
    > enum rdma_link_layer (*get_link_layer)(struct ib_device *device,
    > u8 port_num);
    > int (*query_gid)(struct ib_device *device,
    > --
    > 2.1.0


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