Introduce helper has_mad() to help us check if an IB device support Management Datagrams. 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> --- drivers/infiniband/core/mad.c | 4 ++-- drivers/infiniband/core/user_mad.c | 2 +- include/rdma/ib_verbs.h | 13 +++++++++++++ 3 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 23cf9e8..896b749 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -3057,7 +3057,7 @@ static void ib_mad_init_device(struct ib_device *device) { int start, end, i; - if (!rdma_transport_is_ib(device)) + if (!has_mad(device)) return; if (device->node_type == RDMA_NODE_IB_SWITCH) { @@ -3102,7 +3102,7 @@ static void ib_mad_remove_device(struct ib_device *device) { int i, num_ports, cur_port; - if (!rdma_transport_is_ib(device)) + if (!has_mad(device)) return; if (device->node_type == RDMA_NODE_IB_SWITCH) { diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 28a8b30..31feec3 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -1274,7 +1274,7 @@ static void ib_umad_add_one(struct ib_device *device) struct ib_umad_device *umad_dev; int s, e, i; - if (!rdma_transport_is_ib(device)) + if (!has_mad(device)) return; if (device->node_type == RDMA_NODE_IB_SWITCH) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index ca6d6bc..7b2bfe8 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1783,6 +1783,19 @@ static inline int tech_iboe(struct ib_device *device, u8 port_num) rdma_port_ll_is_eth(device, port_num); } +/** + * has_mad - Check if a device support Management Datagrams. + * + * @device: Device to be checked + * + * Return 0 when a device has none port to support + * Management Datagrams. + */ +static inline int has_mad(struct ib_device *device) +{ + return rdma_transport_is_ib(device); +} + int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html