IB/ipoib: Add ability to set PKEY index to lower device driver

To support passing child interfaces to the lower device a new
rdma_netdev function was used, set_id. This will allow us to
attach the PKEY index lower device resources such as TIS/QP.
For devices that do not support offloads in IPoIB same logic
will be used, setting the PKEY index to priv struct.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index c97384c914a42a94ac829cecd7751c9c56b817f3..fe690f82af29688805c81c19cfac6f502b2dd102 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -893,13 +893,17 @@ dev_stop:
 void ipoib_pkey_dev_check_presence(struct net_device *dev)
 {
        struct ipoib_dev_priv *priv = ipoib_priv(dev);
+       struct rdma_netdev *rn = netdev_priv(dev);
 
        if (!(priv->pkey & 0x7fff) ||
            ib_find_pkey(priv->ca, priv->port, priv->pkey,
-                        &priv->pkey_index))
+                        &priv->pkey_index)) {
                clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
-       else
+       } else {
+               if (rn->set_id)
+                       rn->set_id(dev, priv->pkey_index);
                set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
+       }
 }
 
 void ipoib_ib_dev_up(struct net_device *dev)