diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 57282048865..7a4ed9d3d84 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -195,7 +195,7 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu) return 0; } - if (new_mtu > IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN) + if (new_mtu > IPOIB_UD_MTU(priv->max_ib_mtu)) return -EINVAL; priv->admin_mtu = new_mtu; @@ -359,8 +359,7 @@ void ipoib_flush_paths(struct net_device *dev) spin_lock_irq(&priv->tx_lock); spin_lock(&priv->lock); - list_splice(&priv->path_list, &remove_list); - INIT_LIST_HEAD(&priv->path_list); + list_splice_init(&priv->path_list, &remove_list); list_for_each_entry(path, &remove_list, list) rb_erase(&path->rb_node, &priv->path_tree); @@ -952,6 +951,8 @@ static void ipoib_setup(struct net_device *dev) dev->set_multicast_list = ipoib_set_mcast_list; dev->neigh_setup = ipoib_neigh_setup_dev; + ipoib_set_ethtool_ops(dev); + netif_napi_add(dev, &priv->napi, ipoib_poll, 100); dev->watchdog_timeo = HZ; @@ -970,10 +971,6 @@ static void ipoib_setup(struct net_device *dev) NETIF_F_LLTX | NETIF_F_HIGHDMA); - /* MTU will be reset when mcast join happens */ - dev->mtu = IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN; - priv->mcast_mtu = priv->admin_mtu = dev->mtu; - memcpy(dev->broadcast, ipv4_bcast_addr, INFINIBAND_ALEN); netif_carrier_off(dev); @@ -1105,6 +1102,8 @@ static struct net_device *ipoib_add_port(const char *format, struct ib_device *hca, u8 port) { struct ipoib_dev_priv *priv; + struct ib_device_attr *device_attr; + struct ib_port_attr attr; int result = -ENOMEM; priv = ipoib_intf_alloc(format); @@ -1113,6 +1112,18 @@ static struct net_device *ipoib_add_port(const char *format, SET_NETDEV_DEV(priv->dev, hca->dma_device); + if (!ib_query_port(hca, port, &attr)) + priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); + else { + printk(KERN_WARNING "%s: ib_query_port %d failed\n", + hca->name, port); + goto device_init_failed; + } + + /* MTU will be reset when mcast join happens */ + priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu); + priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu; + result = ib_query_pkey(hca, port, 0, &priv->pkey); if (result) { printk(KERN_WARNING "%s: ib_query_pkey port %d failed (ret = %d)\n", @@ -1120,6 +1131,29 @@ static struct net_device *ipoib_add_port(const char *format, goto device_init_failed; } + device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL); + if (!device_attr) { + printk(KERN_WARNING "%s: allocation of %zu bytes failed\n", + hca->name, sizeof *device_attr); + goto device_init_failed; + } + + result = ib_query_device(hca, device_attr); + if (result) { + printk(KERN_WARNING "%s: ib_query_device failed (ret = %d)\n", + hca->name, result); + kfree(device_attr); + goto device_init_failed; + } + priv->hca_caps = device_attr->device_cap_flags; + + kfree(device_attr); + + if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) { + set_bit(IPOIB_FLAG_CSUM, &priv->flags); + priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; + } + /* * Set the full membership bit, so that we join the right * broadcast group, etc. @@ -1137,7 +1171,6 @@ static struct net_device *ipoib_add_port(const char *format, } else memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid)); - result = ipoib_dev_init(priv->dev, hca, port); if (result < 0) { printk(KERN_WARNING "%s: failed to initialize port %d (ret = %d)\n", @@ -1155,6 +1188,9 @@ static struct net_device *ipoib_add_port(const char *format, goto event_failed; } + if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO) + priv->dev->features |= NETIF_F_TSO; + result = register_netdev(priv->dev); if (result) { printk(KERN_WARNING "%s: couldn't register ipoib port %d; error %d\n", |