diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_fcoe.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_fcoe.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index 28cf104e36c..26fe46fb13f 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c @@ -554,3 +554,97 @@ void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter) fcoe->pool = NULL; } } + +/** + * ixgbe_fcoe_enable - turn on FCoE offload feature + * @netdev: the corresponding netdev + * + * Turns on FCoE offload feature in 82599. + * + * Returns : 0 indicates success or -EINVAL on failure + */ +int ixgbe_fcoe_enable(struct net_device *netdev) +{ + int rc = -EINVAL; + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + + if (!(adapter->flags & IXGBE_FLAG_FCOE_CAPABLE)) + goto out_enable; + + if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) + goto out_enable; + + DPRINTK(DRV, INFO, "Enabling FCoE offload features.\n"); + if (netif_running(netdev)) + netdev->netdev_ops->ndo_stop(netdev); + + ixgbe_clear_interrupt_scheme(adapter); + + adapter->flags |= IXGBE_FLAG_FCOE_ENABLED; + adapter->ring_feature[RING_F_FCOE].indices = IXGBE_FCRETA_SIZE; + netdev->features |= NETIF_F_FCOE_CRC; + netdev->features |= NETIF_F_FSO; + netdev->features |= NETIF_F_FCOE_MTU; + netdev->vlan_features |= NETIF_F_FCOE_CRC; + netdev->vlan_features |= NETIF_F_FSO; + netdev->vlan_features |= NETIF_F_FCOE_MTU; + netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1; + netdev_features_change(netdev); + + ixgbe_init_interrupt_scheme(adapter); + + if (netif_running(netdev)) + netdev->netdev_ops->ndo_open(netdev); + rc = 0; + +out_enable: + return rc; +} + +/** + * ixgbe_fcoe_disable - turn off FCoE offload feature + * @netdev: the corresponding netdev + * + * Turns off FCoE offload feature in 82599. + * + * Returns : 0 indicates success or -EINVAL on failure + */ +int ixgbe_fcoe_disable(struct net_device *netdev) +{ + int rc = -EINVAL; + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + if (!(adapter->flags & IXGBE_FLAG_FCOE_CAPABLE)) + goto out_disable; + + if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) + goto out_disable; + + DPRINTK(DRV, INFO, "Disabling FCoE offload features.\n"); + if (netif_running(netdev)) + netdev->netdev_ops->ndo_stop(netdev); + + ixgbe_clear_interrupt_scheme(adapter); + + adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; + adapter->ring_feature[RING_F_FCOE].indices = 0; + netdev->features &= ~NETIF_F_FCOE_CRC; + netdev->features &= ~NETIF_F_FSO; + netdev->features &= ~NETIF_F_FCOE_MTU; + netdev->vlan_features &= ~NETIF_F_FCOE_CRC; + netdev->vlan_features &= ~NETIF_F_FSO; + netdev->vlan_features &= ~NETIF_F_FCOE_MTU; + netdev->fcoe_ddp_xid = 0; + netdev_features_change(netdev); + + ixgbe_cleanup_fcoe(adapter); + + ixgbe_init_interrupt_scheme(adapter); + if (netif_running(netdev)) + netdev->netdev_ops->ndo_open(netdev); + rc = 0; + +out_disable: + return rc; +} |