/*
* IP software interrupt routine
*/
void
ipintr(void)
{
int s;
struct mbuf *m;
struct ifqueue lcl_intrq;
memset(&lcl_intrq, 0, sizeof(lcl_intrq));
mutex_enter(softnet_lock);
KERNEL_LOCK(1, NULL);
if (!IF_IS_EMPTY(&ipintrq)) {
s = splnet();
/* Take existing queue onto stack */
lcl_intrq = ipintrq;
/* Zero out global queue, preserving maxlen and drops */
ipintrq.ifq_head = NULL;
ipintrq.ifq_tail = NULL;
ipintrq.ifq_len = 0;
ipintrq.ifq_maxlen = lcl_intrq.ifq_maxlen;
ipintrq.ifq_drops = lcl_intrq.ifq_drops;
splx(s);
}
KERNEL_UNLOCK_ONE(NULL);
while (!IF_IS_EMPTY(&lcl_intrq)) {
IF_DEQUEUE(&lcl_intrq, m);
if (m == NULL)
break;
ip_input(m);
}
mutex_exit(softnet_lock);
}
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 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 */
}
/*
* This function shall be called by drivers immediately after every DTIM.
* Transmit all group addressed MSDUs buffered at the AP.
*/
void
ieee80211_notify_dtim(struct ieee80211com *ic)
{
/* NB: group addressed MSDUs are buffered in ic_bss */
struct ieee80211_node *ni = ic->ic_bss;
struct ifnet *ifp = &ic->ic_if;
struct ieee80211_frame *wh;
struct mbuf *m;
KASSERT(ic->ic_opmode == IEEE80211_M_HOSTAP);
for (;;) {
IF_DEQUEUE(&ni->ni_savedq, m);
if (m == NULL)
break;
if (!IF_IS_EMPTY(&ni->ni_savedq)) {
/* more queued frames, set the more data bit */
wh = mtod(m, struct ieee80211_frame *);
wh->i_fc[1] |= IEEE80211_FC1_MORE_DATA;
}
IF_ENQUEUE(&ic->ic_pwrsaveq, m);
(*ifp->if_start)(ifp);
}
void
mplsintr(void)
{
struct mbuf *m;
int s;
while (!IF_IS_EMPTY(&mplsintrq)) {
s = splnet();
IF_DEQUEUE(&mplsintrq, m);
splx(s);
if (!m)
return;
if (((m->m_flags & M_PKTHDR) == 0) ||
(m->m_pkthdr.rcvif == 0))
panic("mplsintr(): no pkthdr or rcvif");
#ifdef MBUFTRACE
m_claimm(m, &mpls_owner);
#endif
mpls_input(m->m_pkthdr.rcvif, m);
}
}
