/**
* Close network device
*
* @v netdev Network device
*/
static void intelx_close ( struct net_device *netdev ) {
struct intel_nic *intel = netdev->priv;
uint32_t rxctrl;
uint32_t dmatxctl;
/* Disable receiver */
rxctrl = readl ( intel->regs + INTELX_RXCTRL );
rxctrl &= ~INTELX_RXCTRL_RXEN;
writel ( rxctrl, intel->regs + INTELX_RXCTRL );
/* Disable transmitter */
dmatxctl = readl ( intel->regs + INTELX_DMATXCTL );
dmatxctl &= ~INTELX_DMATXCTL_TE;
writel ( dmatxctl, intel->regs + INTELX_DMATXCTL );
/* Destroy receive descriptor ring */
intel_destroy_ring ( intel, &intel->rx );
/* Discard any unused receive buffers */
intel_empty_rx ( intel );
/* Destroy transmit descriptor ring */
intel_destroy_ring ( intel, &intel->tx );
/* Reset the NIC, to flush the transmit and receive FIFOs */
intelx_reset ( intel );
}
/**
* Close network device
*
* @v netdev Network device
*/
static void intelxvf_close ( struct net_device *netdev ) {
struct intel_nic *intel = netdev->priv;
/* Destroy receive descriptor ring */
intel_destroy_ring ( intel, &intel->rx );
/* Discard any unused receive buffers */
intel_empty_rx ( intel );
/* Destroy transmit descriptor ring */
intel_destroy_ring ( intel, &intel->tx );
/* Reset the function */
intelxvf_reset ( intel );
}
