void
ieee80211_free_node(struct ieee80211com *ic, struct ieee80211_node *ni)
{
if (ni == ic->ic_bss)
panic("freeing bss node");
splassert(IPL_NET);
DPRINTF(("%s\n", ether_sprintf(ni->ni_macaddr)));
#ifndef IEEE80211_STA_ONLY
timeout_del(&ni->ni_eapol_to);
timeout_del(&ni->ni_sa_query_to);
IEEE80211_AID_CLR(ni->ni_associd, ic->ic_aid_bitmap);
#endif
RB_REMOVE(ieee80211_tree, &ic->ic_tree, ni);
ic->ic_nnodes--;
#ifndef IEEE80211_STA_ONLY
if (!IF_IS_EMPTY(&ni->ni_savedq)) {
IF_PURGE(&ni->ni_savedq);
if (ic->ic_set_tim != NULL)
(*ic->ic_set_tim)(ic, ni->ni_associd, 0);
}
#endif
(*ic->ic_node_free)(ic, ni);
/* TBD indicate to drivers that a new node can be allocated */
}
/*
* Handle bookkeeping for station deauthentication/disassociation
* when operating as an ap.
*/
void
ieee80211_node_leave(struct ieee80211com *ic, struct ieee80211_node *ni)
{
if (ic->ic_opmode != IEEE80211_M_HOSTAP)
panic("not in ap mode, mode %u", ic->ic_opmode);
/*
* If node wasn't previously associated all we need to do is
* reclaim the reference.
*/
if (ni->ni_associd == 0) {
ieee80211_node_newstate(ni, IEEE80211_STA_COLLECT);
return;
}
if (ni->ni_pwrsave == IEEE80211_PS_DOZE) {
ic->ic_pssta--;
ni->ni_pwrsave = IEEE80211_PS_AWAKE;
}
if (!IF_IS_EMPTY(&ni->ni_savedq)) {
IF_PURGE(&ni->ni_savedq);
if (ic->ic_set_tim != NULL)
(*ic->ic_set_tim)(ic, ni->ni_associd, 0);
}
if (ic->ic_flags & IEEE80211_F_RSNON)
ieee80211_node_leave_rsn(ic, ni);
if (ic->ic_curmode == IEEE80211_MODE_11G)
ieee80211_node_leave_11g(ic, ni);
#ifndef IEEE80211_NO_HT
if (ni->ni_flags & IEEE80211_NODE_HT)
ieee80211_node_leave_ht(ic, ni);
#endif
if (ic->ic_node_leave != NULL)
(*ic->ic_node_leave)(ic, ni);
IEEE80211_AID_CLR(ni->ni_associd, ic->ic_aid_bitmap);
ni->ni_associd = 0;
ieee80211_node_newstate(ni, IEEE80211_STA_COLLECT);
#if NBRIDGE > 0
/*
* If the parent interface is a bridgeport, delete
* any dynamically learned address for this node.
*/
if (ic->ic_if.if_bridgeport != NULL)
bridge_update(&ic->ic_if,
(struct ether_addr *)ni->ni_macaddr, 1);
#endif
}
static int
tun_clone_destroy(struct ifnet *ifp)
{
struct tun_softc *tp = (void *)ifp;
int s, zombie = 0;
IF_PURGE(&ifp->if_snd);
ifp->if_flags &= ~IFF_RUNNING;
s = splnet();
simple_lock(&tun_softc_lock);
mutex_enter(&tp->tun_lock);
LIST_REMOVE(tp, tun_list);
if (tp->tun_flags & TUN_OPEN) {
/* Hang on to storage until last close */
zombie = 1;
tp->tun_flags &= ~TUN_INITED;
LIST_INSERT_HEAD(&tunz_softc_list, tp, tun_list);
}
simple_unlock(&tun_softc_lock);
if (tp->tun_flags & TUN_RWAIT) {
tp->tun_flags &= ~TUN_RWAIT;
wakeup((void *)tp);
}
selnotify(&tp->tun_rsel, 0, 0);
mutex_exit(&tp->tun_lock);
splx(s);
if (tp->tun_flags & TUN_ASYNC && tp->tun_pgid)
fownsignal(tp->tun_pgid, SIGIO, POLL_HUP, 0, NULL);
bpf_detach(ifp);
if_detach(ifp);
if (!zombie) {
seldestroy(&tp->tun_rsel);
seldestroy(&tp->tun_wsel);
softint_disestablish(tp->tun_osih);
softint_disestablish(tp->tun_isih);
mutex_destroy(&tp->tun_lock);
free(tp, M_DEVBUF);
}
return (0);
}
static void
ieee80211_free_node(struct ieee80211com *ic, struct ieee80211_node *ni)
{
if (ni == ic->ic_bss)
panic("freeing bss node");
IEEE80211_DPRINTF(("%s %s\n", __func__, ether_sprintf(ni->ni_macaddr)));
IEEE80211_AID_CLR(ni->ni_associd, ic->ic_aid_bitmap);
RB_REMOVE(ieee80211_tree, &ic->ic_tree, ni);
ic->ic_nnodes--;
if (!IF_IS_EMPTY(&ni->ni_savedq)) {
IF_PURGE(&ni->ni_savedq);
if (ic->ic_set_tim)
(*ic->ic_set_tim)(ic, ni->ni_associd, 0);
}
if (RB_EMPTY(&ic->ic_tree))
ic->ic_inact_timer = 0;
(*ic->ic_node_free)(ic, ni);
/* TBD indicate to drivers that a new node can be allocated */
}
