diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_cm.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_cm.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 388f0413fcb7..9edc9fc96210 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1271,7 +1271,7 @@ int ipoib_cm_add_mode_attr(struct net_device *dev) return device_create_file(&dev->dev, &dev_attr_mode); } -int ipoib_cm_dev_init(struct net_device *dev) +static int ipoib_cm_create_srq(struct net_device *dev) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ib_srq_init_attr srq_init_attr = { @@ -1280,6 +1280,31 @@ int ipoib_cm_dev_init(struct net_device *dev) .max_sge = IPOIB_CM_RX_SG } }; + int ret; + + priv->cm.srq = ib_create_srq(priv->pd, &srq_init_attr); + if (IS_ERR(priv->cm.srq)) { + ret = PTR_ERR(priv->cm.srq); + priv->cm.srq = NULL; + return ret; + } + + priv->cm.srq_ring = kzalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring, + GFP_KERNEL); + if (!priv->cm.srq_ring) { + printk(KERN_WARNING "%s: failed to allocate CM ring (%d entries)\n", + priv->ca->name, ipoib_recvq_size); + ib_destroy_srq(priv->cm.srq); + priv->cm.srq = NULL; + return -ENOMEM; + } + + return 0; +} + +int ipoib_cm_dev_init(struct net_device *dev) +{ + struct ipoib_dev_priv *priv = netdev_priv(dev); int ret, i; INIT_LIST_HEAD(&priv->cm.passive_ids); @@ -1297,22 +1322,6 @@ int ipoib_cm_dev_init(struct net_device *dev) skb_queue_head_init(&priv->cm.skb_queue); - priv->cm.srq = ib_create_srq(priv->pd, &srq_init_attr); - if (IS_ERR(priv->cm.srq)) { - ret = PTR_ERR(priv->cm.srq); - priv->cm.srq = NULL; - return ret; - } - - priv->cm.srq_ring = kzalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring, - GFP_KERNEL); - if (!priv->cm.srq_ring) { - printk(KERN_WARNING "%s: failed to allocate CM ring (%d entries)\n", - priv->ca->name, ipoib_recvq_size); - ipoib_cm_dev_cleanup(dev); - return -ENOMEM; - } - for (i = 0; i < IPOIB_CM_RX_SG; ++i) priv->cm.rx_sge[i].lkey = priv->mr->lkey; @@ -1323,6 +1332,10 @@ int ipoib_cm_dev_init(struct net_device *dev) priv->cm.rx_wr.sg_list = priv->cm.rx_sge; priv->cm.rx_wr.num_sge = IPOIB_CM_RX_SG; + ret = ipoib_cm_create_srq(dev); + if (ret) + return ret; + for (i = 0; i < ipoib_recvq_size; ++i) { if (!ipoib_cm_alloc_rx_skb(dev, i, IPOIB_CM_RX_SG - 1, priv->cm.srq_ring[i].mapping)) { |