static void
octe_init(void *arg)
{
struct ifnet *ifp;
cvm_oct_private_t *priv;
priv = arg;
ifp = priv->ifp;
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
octe_stop(priv);
if (priv->open != NULL)
priv->open(ifp);
if (((ifp->if_flags ^ priv->if_flags) & (IFF_ALLMULTI | IFF_MULTICAST | IFF_PROMISC)) != 0)
cvm_oct_common_set_multicast_list(ifp);
cvm_oct_common_set_mac_address(ifp, IF_LLADDR(ifp));
cvm_oct_common_poll(ifp);
if (priv->miibus != NULL)
mii_mediachg(device_get_softc(priv->miibus));
ifp->if_drv_flags |= IFF_DRV_RUNNING;
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
}
/**
* Periodic timer tick for slow management operations
*
* @param arg Device to check
*/
static void cvm_do_timer(void *arg)
{
static int port;
static int updated;
if (port < CVMX_PIP_NUM_INPUT_PORTS) {
if (cvm_oct_device[port]) {
int queues_per_port;
int qos;
cvm_oct_private_t *priv = (cvm_oct_private_t *)cvm_oct_device[port]->if_softc;
cvm_oct_common_poll(priv->ifp);
if (priv->need_link_update) {
updated++;
taskqueue_enqueue(cvm_oct_link_taskq, &priv->link_task);
}
queues_per_port = cvmx_pko_get_num_queues(port);
/* Drain any pending packets in the free list */
for (qos = 0; qos < queues_per_port; qos++) {
if (_IF_QLEN(&priv->tx_free_queue[qos]) > 0) {
IF_LOCK(&priv->tx_free_queue[qos]);
while (_IF_QLEN(&priv->tx_free_queue[qos]) > cvmx_fau_fetch_and_add32(priv->fau+qos*4, 0)) {
struct mbuf *m;
_IF_DEQUEUE(&priv->tx_free_queue[qos], m);
m_freem(m);
}
IF_UNLOCK(&priv->tx_free_queue[qos]);
/*
* XXX locking!
*/
priv->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
}
}
}
port++;
/* Poll the next port in a 50th of a second.
This spreads the polling of ports out a little bit */
callout_reset(&cvm_oct_poll_timer, hz / 50, cvm_do_timer, NULL);
} else {
port = 0;
/* If any updates were made in this run, continue iterating at
* 1/50th of a second, so that if a link has merely gone down
* temporarily (e.g. because of interface reinitialization) it
* will not be forced to stay down for an entire second.
*/
if (updated > 0) {
updated = 0;
callout_reset(&cvm_oct_poll_timer, hz / 50, cvm_do_timer, NULL);
} else {
/* All ports have been polled. Start the next iteration through
the ports in one second */
callout_reset(&cvm_oct_poll_timer, hz, cvm_do_timer, NULL);
}
}
}