[PATCH rdma-next 5/8] IB/IPoIB: Skip device which doesn't have InfiniBand port

[Leon Romanovsky]

From: Parav Pandit <pa...@nvidia.com>

Skip RDMA device which doesn't have InfiniBand ports using newly
introduced client_supported() callback.

Signed-off-by: Parav Pandit <pa...@nvidia.com>
Signed-off-by: Leon Romanovsky <leo...@nvidia.com>
---
 drivers/infiniband/ulp/ipoib/ipoib_main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c 
b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 8f769ebaacc6..b02c10dea242 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -93,6 +93,7 @@ static struct net_device *ipoib_get_net_dev_by_params(
                struct ib_device *dev, u32 port, u16 pkey,
                const union ib_gid *gid, const struct sockaddr *addr,
                void *client_data);
+static bool ipoib_client_supported(struct ib_device *device);
 static int ipoib_set_mac(struct net_device *dev, void *addr);
 static int ipoib_ioctl(struct net_device *dev, struct ifreq *ifr,
                       int cmd);
@@ -102,6 +103,7 @@ static struct ib_client ipoib_client = {
        .add    = ipoib_add_one,
        .remove = ipoib_remove_one,
        .get_net_dev_by_params = ipoib_get_net_dev_by_params,
+       .is_supported = ipoib_client_supported,
 };
 
 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
@@ -2530,6 +2532,17 @@ static struct net_device *ipoib_add_port(const char 
*format,
        return ERR_PTR(-ENOMEM);
 }
 
+static bool ipoib_client_supported(struct ib_device *device)
+{
+       u32 i;
+
+       rdma_for_each_port(device, i) {
+               if (rdma_protocol_ib(device, i))
+                       return true;
+       }
+       return false;
+}
+
 static int ipoib_add_one(struct ib_device *device)
 {
        struct list_head *dev_list;
-- 
2.30.2