diff options
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmveth.c')
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmveth.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 952d795230a..1fc8334fc18 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -12,8 +12,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * along with this program; if not, see <http://www.gnu.org/licenses/>. * * Copyright (C) IBM Corporation, 2003, 2010 * @@ -523,10 +522,21 @@ retry: return rc; } +static u64 ibmveth_encode_mac_addr(u8 *mac) +{ + int i; + u64 encoded = 0; + + for (i = 0; i < ETH_ALEN; i++) + encoded = (encoded << 8) | mac[i]; + + return encoded; +} + static int ibmveth_open(struct net_device *netdev) { struct ibmveth_adapter *adapter = netdev_priv(netdev); - u64 mac_address = 0; + u64 mac_address; int rxq_entries = 1; unsigned long lpar_rc; int rc; @@ -580,8 +590,7 @@ static int ibmveth_open(struct net_device *netdev) adapter->rx_queue.num_slots = rxq_entries; adapter->rx_queue.toggle = 1; - memcpy(&mac_address, netdev->dev_addr, netdev->addr_len); - mac_address = mac_address >> 16; + mac_address = ibmveth_encode_mac_addr(netdev->dev_addr); rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | adapter->rx_queue.queue_len; @@ -1184,8 +1193,8 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) /* add the addresses to the filter table */ netdev_for_each_mc_addr(ha, netdev) { /* add the multicast address to the filter table */ - unsigned long mcast_addr = 0; - memcpy(((char *)&mcast_addr)+2, ha->addr, ETH_ALEN); + u64 mcast_addr; + mcast_addr = ibmveth_encode_mac_addr(ha->addr); lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, IbmVethMcastAddFilter, mcast_addr); @@ -1276,18 +1285,21 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev) { struct net_device *netdev = dev_get_drvdata(&vdev->dev); struct ibmveth_adapter *adapter; + struct iommu_table *tbl; unsigned long ret; int i; int rxqentries = 1; + tbl = get_iommu_table_base(&vdev->dev); + /* netdev inits at probe time along with the structures we need below*/ if (netdev == NULL) - return IOMMU_PAGE_ALIGN(IBMVETH_IO_ENTITLEMENT_DEFAULT); + return IOMMU_PAGE_ALIGN(IBMVETH_IO_ENTITLEMENT_DEFAULT, tbl); adapter = netdev_priv(netdev); ret = IBMVETH_BUFF_LIST_SIZE + IBMVETH_FILT_LIST_SIZE; - ret += IOMMU_PAGE_ALIGN(netdev->mtu); + ret += IOMMU_PAGE_ALIGN(netdev->mtu, tbl); for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { /* add the size of the active receive buffers */ @@ -1295,11 +1307,12 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev) ret += adapter->rx_buff_pool[i].size * IOMMU_PAGE_ALIGN(adapter->rx_buff_pool[i]. - buff_size); + buff_size, tbl); rxqentries += adapter->rx_buff_pool[i].size; } /* add the size of the receive queue entries */ - ret += IOMMU_PAGE_ALIGN(rxqentries * sizeof(struct ibmveth_rx_q_entry)); + ret += IOMMU_PAGE_ALIGN( + rxqentries * sizeof(struct ibmveth_rx_q_entry), tbl); return ret; } @@ -1369,9 +1382,6 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16); - adapter->mac_addr = 0; - memcpy(&adapter->mac_addr, mac_addr_p, ETH_ALEN); - netdev->irq = dev->irq; netdev->netdev_ops = &ibmveth_netdev_ops; netdev->ethtool_ops = &netdev_ethtool_ops; @@ -1380,7 +1390,7 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; netdev->features |= netdev->hw_features; - memcpy(netdev->dev_addr, &adapter->mac_addr, netdev->addr_len); + memcpy(netdev->dev_addr, mac_addr_p, ETH_ALEN); for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { struct kobject *kobj = &adapter->rx_buff_pool[i].kobj; |