diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_verbs.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index f50ebe0643ef..ba7c8868e6f7 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -33,18 +33,13 @@ #include "ipoib.h" -int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid) +int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid, int set_qkey) { struct ipoib_dev_priv *priv = netdev_priv(dev); - struct ib_qp_attr *qp_attr; + struct ib_qp_attr *qp_attr = NULL; int ret; u16 pkey_index; - ret = -ENOMEM; - qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL); - if (!qp_attr) - goto out; - if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index)) { clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); ret = -ENXIO; @@ -52,12 +47,19 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid) } set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); - /* set correct QKey for QP */ - qp_attr->qkey = priv->qkey; - ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY); - if (ret) { - ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret); - goto out; + if (set_qkey) { + ret = -ENOMEM; + qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL); + if (!qp_attr) + goto out; + + /* set correct QKey for QP */ + qp_attr->qkey = priv->qkey; + ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY); + if (ret) { + ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret); + goto out; + } } /* attach QP to multicast group */ |