diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ibmveth.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 07830f918ae..8dd5fccef72 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -757,7 +757,7 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) struct ibmveth_adapter *adapter = netdev_priv(dev); unsigned long set_attr, clr_attr, ret_attr; unsigned long set_attr6, clr_attr6; - long ret, ret6; + long ret, ret4, ret6; int rc1 = 0, rc2 = 0; int restart = 0; @@ -770,6 +770,8 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) set_attr = 0; clr_attr = 0; + set_attr6 = 0; + clr_attr6 = 0; if (data) { set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM; @@ -784,16 +786,20 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) && !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) && (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) { - ret = h_illan_attributes(adapter->vdev->unit_address, clr_attr, + ret4 = h_illan_attributes(adapter->vdev->unit_address, clr_attr, set_attr, &ret_attr); - if (ret != H_SUCCESS) { + if (ret4 != H_SUCCESS) { netdev_err(dev, "unable to change IPv4 checksum " "offload settings. %d rc=%ld\n", - data, ret); + data, ret4); + + h_illan_attributes(adapter->vdev->unit_address, + set_attr, clr_attr, &ret_attr); + + if (data == 1) + dev->features &= ~NETIF_F_IP_CSUM; - ret = h_illan_attributes(adapter->vdev->unit_address, - set_attr, clr_attr, &ret_attr); } else { adapter->fw_ipv4_csum_support = data; } @@ -804,15 +810,18 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) if (ret6 != H_SUCCESS) { netdev_err(dev, "unable to change IPv6 checksum " "offload settings. %d rc=%ld\n", - data, ret); + data, ret6); + + h_illan_attributes(adapter->vdev->unit_address, + set_attr6, clr_attr6, &ret_attr); + + if (data == 1) + dev->features &= ~NETIF_F_IPV6_CSUM; - ret = h_illan_attributes(adapter->vdev->unit_address, - set_attr6, clr_attr6, - &ret_attr); } else adapter->fw_ipv6_csum_support = data; - if (ret == H_SUCCESS || ret6 == H_SUCCESS) + if (ret4 == H_SUCCESS || ret6 == H_SUCCESS) adapter->rx_csum = data; else rc1 = -EIO; |