/*
* rtk_detach:
* Detach a rtk interface.
*/
int
rtk_detach(struct rtk_softc *sc)
{
struct ifnet *ifp = &sc->ethercom.ec_if;
struct rtk_tx_desc *txd;
int i;
/*
* Succeed now if there isn't any work to do.
*/
if ((sc->sc_flags & RTK_ATTACHED) == 0)
return 0;
/* Unhook our tick handler. */
callout_stop(&sc->rtk_tick_ch);
/* Detach all PHYs. */
mii_detach(&sc->mii, MII_PHY_ANY, MII_OFFSET_ANY);
/* Delete all remaining media. */
ifmedia_delete_instance(&sc->mii.mii_media, IFM_INST_ANY);
rnd_detach_source(&sc->rnd_source);
ether_ifdetach(ifp);
if_detach(ifp);
for (i = 0; i < RTK_TX_LIST_CNT; i++) {
txd = &sc->rtk_tx_descs[i];
if (txd->txd_dmamap != NULL)
bus_dmamap_destroy(sc->sc_dmat, txd->txd_dmamap);
}
bus_dmamap_destroy(sc->sc_dmat, sc->recv_dmamap);
bus_dmamem_unmap(sc->sc_dmat, sc->rtk_rx_buf,
RTK_RXBUFLEN + 16);
bus_dmamem_free(sc->sc_dmat, &sc->sc_dmaseg, sc->sc_dmanseg);
/* we don't want to run again */
sc->sc_flags &= ~RTK_ATTACHED;
return 0;
}
int
pair_clone_destroy(struct ifnet *ifp)
{
struct pair_softc *sc = ifp->if_softc;
struct ifnet *pairedifp;
struct pair_softc *dstsc = ifp->if_softc;
if ((pairedifp = if_get(sc->sc_pairedif)) != NULL) {
dstsc = pairedifp->if_softc;
dstsc->sc_pairedif = 0;
pair_link_state(pairedifp);
if_put(pairedifp);
}
ifmedia_delete_instance(&sc->sc_media, IFM_INST_ANY);
ether_ifdetach(ifp);
if_detach(ifp);
free(sc, M_DEVBUF, sizeof(*sc));
return (0);
}
void
ieee80211_ifdetach(struct ieee80211com *ic)
{
struct ifnet *ifp = ic->ic_ifp;
ieee80211_remove_vap(ic);
ieee80211_sysctl_detach(ic);
ieee80211_proto_detach(ic);
ieee80211_crypto_detach(ic);
ieee80211_node_detach(ic);
LIST_REMOVE(ic, ic_list);
ifmedia_delete_instance(&ic->ic_media, IFM_INST_ANY);
IEEE80211_BEACON_LOCK_DESTROY(ic);
#if NBPFILTER > 0
bpfdetach(ifp);
#endif
ether_ifdetach(ifp);
}
/*
* When detaching, we do the inverse of what is done in the attach
* routine, in reversed order.
*/
static int
tap_detach(device_t self, int flags)
{
struct tap_softc *sc = device_private(self);
struct ifnet *ifp = &sc->sc_ec.ec_if;
int error;
int s;
sc->sc_flags |= TAP_GOING;
s = splnet();
tap_stop(ifp, 1);
if_down(ifp);
splx(s);
if (sc->sc_sih != NULL) {
softint_disestablish(sc->sc_sih);
sc->sc_sih = NULL;
}
/*
* Destroying a single leaf is a very straightforward operation using
* sysctl_destroyv. One should be sure to always end the path with
* CTL_EOL.
*/
if ((error = sysctl_destroyv(NULL, CTL_NET, AF_LINK, tap_node,
device_unit(sc->sc_dev), CTL_EOL)) != 0)
aprint_error_dev(self,
"sysctl_destroyv returned %d, ignoring\n", error);
ether_ifdetach(ifp);
if_detach(ifp);
ifmedia_delete_instance(&sc->sc_im, IFM_INST_ANY);
seldestroy(&sc->sc_rsel);
mutex_destroy(&sc->sc_rdlock);
mutex_destroy(&sc->sc_kqlock);
pmf_device_deregister(self);
return (0);
}
/*
* ae_detach:
*
* Detach a device interface.
*/
int
ae_detach(device_t self, int flags)
{
struct ae_softc *sc = device_private(self);
struct ifnet *ifp = &sc->sc_ethercom.ec_if;
struct ae_rxsoft *rxs;
struct ae_txsoft *txs;
int i;
/*
* Succeed now if there isn't any work to do.
*/
if ((sc->sc_flags & AE_ATTACHED) == 0)
return (0);
/* Unhook our tick handler. */
if (sc->sc_tick)
callout_stop(&sc->sc_tick_callout);
/* Detach all PHYs */
mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
/* Delete all remaining media. */
ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
rnd_detach_source(&sc->sc_rnd_source);
ether_ifdetach(ifp);
if_detach(ifp);
for (i = 0; i < AE_NRXDESC; i++) {
rxs = &sc->sc_rxsoft[i];
if (rxs->rxs_mbuf != NULL) {
bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
m_freem(rxs->rxs_mbuf);
rxs->rxs_mbuf = NULL;
}
bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap);
}
for (i = 0; i < AE_TXQUEUELEN; i++) {
txs = &sc->sc_txsoft[i];
if (txs->txs_mbuf != NULL) {
bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
m_freem(txs->txs_mbuf);
txs->txs_mbuf = NULL;
}
bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap);
}
bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap);
bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap);
bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data,
sizeof(struct ae_control_data));
bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg);
shutdownhook_disestablish(sc->sc_sdhook);
powerhook_disestablish(sc->sc_powerhook);
bus_space_unmap(sc->sc_st, sc->sc_sh, sc->sc_size);
return (0);
}
