void
so_async_rcvd_drop(struct socket *so)
{
lwkt_msg_t lmsg = &so->so_rcvd_msg.base.lmsg;
spin_lock(&so->so_rcvd_spin);
if ((lmsg->ms_flags & MSGF_DONE) == 0)
lwkt_dropmsg(lmsg);
spin_unlock(&so->so_rcvd_spin);
}
void
so_async_rcvd_drop(struct socket *so)
{
lwkt_msg_t lmsg = &so->so_rcvd_msg.base.lmsg;
/*
* Spinlock safe, drop runs to degenerate lwkt_spin_dropmsg()
*/
spin_lock(&so->so_rcvd_spin);
so->so_rcvd_msg.nm_pru_flags |= PRUR_DEAD;
again:
lwkt_dropmsg(lmsg);
if ((lmsg->ms_flags & MSGF_DONE) == 0) {
++async_rcvd_drop_race;
ssleep(so, &so->so_rcvd_spin, 0, "soadrop", 1);
goto again;
}
spin_unlock(&so->so_rcvd_spin);
}
/*
* Disable multicast routing
*/
int
ip6_mrouter_done(void)
{
mifi_t mifi;
int i;
struct ifnet *ifp;
struct in6_ifreq ifr;
struct mf6c *rt;
struct rtdetq *rte;
struct lwkt_msg *lmsg = &expire_upcalls_nmsg.lmsg;
ASSERT_NETISR0;
if (ip6_mrouter == NULL)
return EINVAL;
/*
* For each phyint in use, disable promiscuous reception of all IPv6
* multicasts.
*/
#ifdef INET
#ifdef MROUTING
/*
* If there is still IPv4 multicast routing daemon,
* we remain interfaces to receive all muliticasted packets.
* XXX: there may be an interface in which the IPv4 multicast
* daemon is not interested...
*/
if (!ip_mrouter)
#endif
#endif
{
for (mifi = 0; mifi < nummifs; mifi++) {
if (mif6table[mifi].m6_ifp &&
!(mif6table[mifi].m6_flags & MIFF_REGISTER)) {
ifr.ifr_addr.sin6_family = AF_INET6;
ifr.ifr_addr.sin6_addr = kin6addr_any;
ifp = mif6table[mifi].m6_ifp;
ifnet_serialize_all(ifp);
ifp->if_ioctl(ifp, SIOCDELMULTI,
(caddr_t)&ifr, NULL);
ifnet_deserialize_all(ifp);
}
}
}
#ifdef notyet
bzero((caddr_t)qtable, sizeof(qtable));
bzero((caddr_t)tbftable, sizeof(tbftable));
#endif
bzero((caddr_t)mif6table, sizeof(mif6table));
nummifs = 0;
pim6 = 0; /* used to stub out/in pim specific code */
callout_stop(&expire_upcalls_ch);
crit_enter();
if ((lmsg->ms_flags & MSGF_DONE) == 0)
lwkt_dropmsg(lmsg);
crit_exit();
/*
* Free all multicast forwarding cache entries.
*/
for (i = 0; i < MF6CTBLSIZ; i++) {
rt = mf6ctable[i];
while (rt) {
struct mf6c *frt;
for (rte = rt->mf6c_stall; rte != NULL; ) {
struct rtdetq *n = rte->next;
m_freem(rte->m);
kfree(rte, M_MRTABLE);
rte = n;
}
frt = rt;
rt = rt->mf6c_next;
kfree(frt, M_MRTABLE);
}
}
bzero((caddr_t)mf6ctable, sizeof(mf6ctable));
/*
* Reset de-encapsulation cache
*/
reg_mif_num = -1;
ip6_mrouter = NULL;
ip6_mrouter_ver = 0;
#ifdef MRT6DEBUG
if (mrt6debug)
log(LOG_DEBUG, "ip6_mrouter_done\n");
#endif
return 0;
}
