void
in6_pcbdetach(struct in6pcb *in6p)
{
struct socket *so = in6p->in6p_socket;
int s;
if (in6p->in6p_af != AF_INET6)
return;
#if defined(IPSEC) || defined(FAST_IPSEC)
ipsec6_delete_pcbpolicy(in6p);
#endif /* IPSEC */
so->so_pcb = 0;
if (in6p->in6p_options)
m_freem(in6p->in6p_options);
if (in6p->in6p_outputopts != NULL) {
ip6_clearpktopts(in6p->in6p_outputopts, -1);
free(in6p->in6p_outputopts, M_IP6OPT);
}
rtcache_free(&in6p->in6p_route);
ip6_freemoptions(in6p->in6p_moptions);
s = splnet();
in6_pcbstate(in6p, IN6P_ATTACHED);
LIST_REMOVE(&in6p->in6p_head, inph_lhash);
CIRCLEQ_REMOVE(&in6p->in6p_table->inpt_queue, &in6p->in6p_head,
inph_queue);
pool_put(&in6pcb_pool, in6p);
splx(s);
sofree(so); /* drops the socket's lock */
mutex_enter(softnet_lock); /* reacquire it */
}
void
in6_pcbdetach(
struct inpcb *inp)
{
struct socket *so = inp->inp_socket;
struct inpcbinfo *ipi = inp->inp_pcbinfo;
#if IPSEC
if (inp->in6p_sp != NULL) {
ipsec6_delete_pcbpolicy(inp);
}
#endif /* IPSEC */
if (in_pcb_checkstate(inp, WNT_STOPUSING, 1) != WNT_STOPUSING)
printf("in6_pcbdetach so=%p can't be marked dead ok\n", so);
inp->inp_state = INPCB_STATE_DEAD;
if ((so->so_flags & SOF_PCBCLEARING) == 0) {
struct ip_moptions *imo;
struct ip6_moptions *im6o;
inp->inp_vflag = 0;
so->so_flags |= SOF_PCBCLEARING;
inp->inp_gencnt = ++ipi->ipi_gencnt;
if (inp->in6p_options)
m_freem(inp->in6p_options);
ip6_freepcbopts(inp->in6p_outputopts);
if (inp->in6p_route.ro_rt) {
rtfree(inp->in6p_route.ro_rt);
inp->in6p_route.ro_rt = NULL;
}
/* Check and free IPv4 related resources in case of mapped addr */
if (inp->inp_options)
(void)m_free(inp->inp_options);
im6o = inp->in6p_moptions;
inp->in6p_moptions = NULL;
if (im6o != NULL)
IM6O_REMREF(im6o);
imo = inp->inp_moptions;
inp->inp_moptions = NULL;
if (imo != NULL)
IMO_REMREF(imo);
}
}
