Introduce helper cap_ipoib() to help us check if the port of an
IB device support IP over Infiniband.
Reform ipoib_add_one() to fit per-port-check method better.
Cc: Jason Gunthorpe <jguntho...@obsidianresearch.com>
Cc: Doug Ledford <dledf...@redhat.com>
Cc: Ira Weiny <ira.we...@intel.com>
Cc: Sean Hefty <sean.he...@intel.com>
Signed-off-by: Michael Wang <yun.w...@profitbricks.com>
---
drivers/infiniband/ulp/ipoib/ipoib_main.c | 17 ++++++++++-------
include/rdma/ib_verbs.h | 15 +++++++++++++++
2 files changed, 25 insertions(+), 7 deletions(-)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c
b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 58b5aa3..e36a926 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1654,9 +1654,7 @@ static void ipoib_add_one(struct ib_device *device)
struct net_device *dev;
struct ipoib_dev_priv *priv;
int s, e, p;
-
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
+ int count = 0;
dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL);
if (!dev_list)
@@ -1673,13 +1671,21 @@ static void ipoib_add_one(struct ib_device *device)
}
for (p = s; p <= e; ++p) {
- if (rdma_port_get_link_layer(device, p) !=
IB_LINK_LAYER_INFINIBAND)
+ if (!cap_ipoib(device, p))
continue;
+
dev = ipoib_add_port("ib%d", device, p);
if (!IS_ERR(dev)) {
priv = netdev_priv(dev);
list_add_tail(&priv->list, dev_list);
}
+
+ count++;
+ }
+
+ if (!count) {
+ kfree(dev_list);
+ return;
}
ib_set_client_data(device, &ipoib_client, dev_list);
@@ -1690,9 +1696,6 @@ static void ipoib_remove_one(struct ib_device *device)
struct ipoib_dev_priv *priv, *tmp;
struct list_head *dev_list;
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
dev_list = ib_get_client_data(device, &ipoib_client);
if (!dev_list)
return;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 5a5f6d5..9db8966 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1848,6 +1848,21 @@ static inline int cap_ib_mcast(struct ib_device *device,
u8 port_num)
return cap_ib_sa(device, port_num);
}
+/**
+ * cap_ipoib - Check if the port of device has the capability
+ * IP over Infiniband.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return 0 when port of the device don't support
+ * IP over Infiniband.
+ */
+static inline int cap_ipoib(struct ib_device *device, u8 port_num)
+{
+ return rdma_transport_ib(device, port_num);
+}
+
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);
--
2.1.0
--
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