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authorParav Pandit <parav@mellanox.com>2018-04-01 15:08:19 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-04-03 21:33:47 -0600
commit0e1f9b924471c132dcf314476916e3c4bd4956b2 (patch)
tree85630799440f8e8bdfc667571b09b36a30c4396c /drivers/infiniband/hw/qedr
parentRDMA/core: Update query_gid documentation for HCA drivers (diff)
downloadlinux-dev-0e1f9b924471c132dcf314476916e3c4bd4956b2.tar.xz
linux-dev-0e1f9b924471c132dcf314476916e3c4bd4956b2.zip
RDMA/providers: Simplify query_gid callback of RoCE providers
ib_query_gid() fetches the GID from the software cache maintained in ib_core for RoCE ports. Therefore, simplify the provider drivers for RoCE to treat query_gid() callback as never called for RoCE, and only require non-RoCE devices to implement it. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
-rw-r--r--drivers/infiniband/hw/qedr/main.c1
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c21
-rw-r--r--drivers/infiniband/hw/qedr/verbs.h1
3 files changed, 0 insertions, 23 deletions
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index d3ed711b8f92..e3bd2ca8968d 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -162,7 +162,6 @@ static int qedr_iw_register_device(struct qedr_dev *dev)
static void qedr_roce_register_device(struct qedr_dev *dev)
{
dev->ibdev.node_type = RDMA_NODE_IB_CA;
- dev->ibdev.query_gid = qedr_query_gid;
dev->ibdev.get_port_immutable = qedr_roce_port_immutable;
}
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 8587a6840c10..ccc09a8e4195 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -84,27 +84,6 @@ int qedr_iw_query_gid(struct ib_device *ibdev, u8 port,
return 0;
}
-int qedr_query_gid(struct ib_device *ibdev, u8 port, int index,
- union ib_gid *sgid)
-{
- struct qedr_dev *dev = get_qedr_dev(ibdev);
- int rc = 0;
-
- if (!rdma_cap_roce_gid_table(ibdev, port))
- return -ENODEV;
-
- rc = ib_get_cached_gid(ibdev, port, index, sgid, NULL);
- if (rc == -EAGAIN) {
- memcpy(sgid, &zgid, sizeof(*sgid));
- return 0;
- }
-
- DP_DEBUG(dev, QEDR_MSG_INIT, "query gid: index=%d %llx:%llx\n", index,
- sgid->global.interface_id, sgid->global.subnet_prefix);
-
- return rc;
-}
-
int qedr_query_device(struct ib_device *ibdev,
struct ib_device_attr *attr, struct ib_udata *udata)
{
diff --git a/drivers/infiniband/hw/qedr/verbs.h b/drivers/infiniband/hw/qedr/verbs.h
index b5330495bf7c..2c57e4c592a6 100644
--- a/drivers/infiniband/hw/qedr/verbs.h
+++ b/drivers/infiniband/hw/qedr/verbs.h
@@ -38,7 +38,6 @@ int qedr_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
int qedr_modify_port(struct ib_device *, u8 port, int mask,
struct ib_port_modify *props);
-int qedr_query_gid(struct ib_device *, u8 port, int index, union ib_gid *gid);
int qedr_iw_query_gid(struct ib_device *ibdev, u8 port,
int index, union ib_gid *gid);