/**
* fm10k_open - Called when a network interface is made active
* @netdev: network interface device structure
*
* Returns 0 on success, negative value on failure
*
* The open entry point is called when a network interface is made
* active by the system (IFF_UP). At this point all resources needed
* for transmit and receive operations are allocated, the interrupt
* handler is registered with the OS, the watchdog timer is started,
* and the stack is notified that the interface is ready.
**/
int fm10k_open(struct net_device *netdev)
{
struct fm10k_intfc *interface = netdev_priv(netdev);
int err;
/* allocate transmit descriptors */
err = fm10k_setup_all_tx_resources(interface);
if (err)
goto err_setup_tx;
/* allocate receive descriptors */
err = fm10k_setup_all_rx_resources(interface);
if (err)
goto err_setup_rx;
/* allocate interrupt resources */
err = fm10k_qv_request_irq(interface);
if (err)
goto err_req_irq;
/* setup GLORT assignment for this port */
fm10k_request_glort_range(interface);
/* Notify the stack of the actual queue counts */
err = netif_set_real_num_tx_queues(netdev,
interface->num_tx_queues);
if (err)
goto err_set_queues;
err = netif_set_real_num_rx_queues(netdev,
interface->num_rx_queues);
if (err)
goto err_set_queues;
#if IS_ENABLED(CONFIG_VXLAN)
/* update VXLAN port configuration */
vxlan_get_rx_port(netdev);
#endif
fm10k_up(interface);
return 0;
err_set_queues:
fm10k_qv_free_irq(interface);
err_req_irq:
fm10k_free_all_rx_resources(interface);
err_setup_rx:
fm10k_free_all_tx_resources(interface);
err_setup_tx:
return err;
}
/**
* fm10k_open - Called when a network interface is made active
* @netdev: network interface device structure
*
* Returns 0 on success, negative value on failure
*
* The open entry point is called when a network interface is made
* active by the system (IFF_UP). At this point all resources needed
* for transmit and receive operations are allocated, the interrupt
* handler is registered with the OS, the watchdog timer is started,
* and the stack is notified that the interface is ready.
**/
int fm10k_open(struct net_device *netdev)
{
struct fm10k_intfc *interface = netdev_priv(netdev);
int err;
/* allocate transmit descriptors */
err = fm10k_setup_all_tx_resources(interface);
if (err)
goto err_setup_tx;
/* allocate receive descriptors */
err = fm10k_setup_all_rx_resources(interface);
if (err)
goto err_setup_rx;
/* allocate interrupt resources */
err = fm10k_qv_request_irq(interface);
if (err)
goto err_req_irq;
/* setup GLORT assignment for this port */
fm10k_request_glort_range(interface);
/* Notify the stack of the actual queue counts */
err = netif_set_real_num_tx_queues(netdev,
interface->num_tx_queues);
if (err)
goto err_set_queues;
err = netif_set_real_num_rx_queues(netdev,
interface->num_rx_queues);
if (err)
goto err_set_queues;
udp_tunnel_get_rx_info(netdev);
fm10k_up(interface);
return 0;
err_set_queues:
fm10k_qv_free_irq(interface);
err_req_irq:
fm10k_free_all_rx_resources(interface);
err_setup_rx:
fm10k_free_all_tx_resources(interface);
err_setup_tx:
return err;
}
/**
* fm10k_close - Disables a network interface
* @netdev: network interface device structure
*
* Returns 0, this is not allowed to fail
*
* The close entry point is called when an interface is de-activated
* by the OS. The hardware is still under the drivers control, but
* needs to be disabled. A global MAC reset is issued to stop the
* hardware, and all transmit and receive resources are freed.
**/
int fm10k_close(struct net_device *netdev)
{
struct fm10k_intfc *interface = netdev_priv(netdev);
fm10k_down(interface);
fm10k_qv_free_irq(interface);
fm10k_del_vxlan_port_all(interface);
fm10k_free_all_tx_resources(interface);
fm10k_free_all_rx_resources(interface);
return 0;
}
