int
pktsched_teardown(struct ifclassq *ifq)
{
int error = 0;
IFCQ_LOCK_ASSERT_HELD(ifq);
if_qflush(ifq->ifcq_ifp, 1);
VERIFY(IFCQ_IS_EMPTY(ifq));
ifq->ifcq_flags &= ~IFCQF_ENABLED;
switch (ifq->ifcq_type) {
case PKTSCHEDT_NONE:
break;
case PKTSCHEDT_TCQ:
error = tcq_teardown_ifclassq(ifq);
break;
case PKTSCHEDT_QFQ:
error = qfq_teardown_ifclassq(ifq);
break;
case PKTSCHEDT_FQ_CODEL:
error = fq_if_teardown_ifclassq(ifq);
break;
default:
error = ENXIO;
break;
}
return (error);
}
/*
* Mark an interface down and notify protocols of
* the transition.
* NOTE: must be called at splnet or eqivalent.
*/
void
if_down(struct ifnet *ifp)
{
struct ifaddr *ifa;
ifp->if_flags &= ~IFF_UP;
microtime(&ifp->if_lastchange);
for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next)
pfctlinput(PRC_IFDOWN, ifa->ifa_addr);
if_qflush(&ifp->if_snd);
rt_ifmsg(ifp);
}
/*
** Flush all queue ring buffers
*/
void
ixl_qflush(struct ifnet *ifp)
{
struct ixl_vsi *vsi = ifp->if_softc;
for (int i = 0; i < vsi->num_queues; i++) {
struct ixl_queue *que = &vsi->queues[i];
struct tx_ring *txr = &que->txr;
struct mbuf *m;
IXL_TX_LOCK(txr);
while ((m = buf_ring_dequeue_sc(txr->br)) != NULL)
m_freem(m);
IXL_TX_UNLOCK(txr);
}
if_qflush(ifp);
}
static void
nicvf_if_qflush(struct ifnet *ifp)
{
struct nicvf *nic;
struct queue_set *qs;
struct snd_queue *sq;
struct mbuf *mbuf;
size_t idx;
nic = if_getsoftc(ifp);
qs = nic->qs;
for (idx = 0; idx < qs->sq_cnt; idx++) {
sq = &qs->sq[idx];
NICVF_TX_LOCK(sq);
while ((mbuf = buf_ring_dequeue_sc(sq->br)) != NULL)
m_freem(mbuf);
NICVF_TX_UNLOCK(sq);
}
if_qflush(ifp);
}
static void
axgbe_qflush(struct ifnet *ifp)
{
if_qflush(ifp);
}