struct protosw *
pffindproto(int family, int protocol, int type)
{
register struct protosw *pr;
lck_mtx_assert(domain_proto_mtx, LCK_MTX_ASSERT_NOTOWNED);
lck_mtx_lock(domain_proto_mtx);
pr = pffindproto_locked(family, protocol, type);
lck_mtx_unlock(domain_proto_mtx);
return (pr);
}
/*
* IP6 initialization: fill in IP6 protocol switch table.
* All protocols not implemented in kernel go to raw IP6 protocol handler.
*/
void
ip6_init()
{
struct ip6protosw *pr;
int i;
struct timeval tv;
#if DIAGNOSTIC
if (sizeof(struct protosw) != sizeof(struct ip6protosw))
panic("sizeof(protosw) != sizeof(ip6protosw)");
#endif
pr = (struct ip6protosw *)pffindproto_locked(PF_INET6, IPPROTO_RAW, SOCK_RAW);
if (pr == 0)
panic("ip6_init");
for (i = 0; i < IPPROTO_MAX; i++)
ip6_protox[i] = pr;
for (pr = (struct ip6protosw*)inet6domain.dom_protosw; pr; pr = pr->pr_next) {
if(!(pr->pr_domain)) continue; /* If uninitialized, skip */
if (pr->pr_domain->dom_family == PF_INET6 &&
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) {
ip6_protox[pr->pr_protocol] = pr;
}
}
ip6_mutex_grp_attr = lck_grp_attr_alloc_init();
ip6_mutex_grp = lck_grp_alloc_init("ip6", ip6_mutex_grp_attr);
ip6_mutex_attr = lck_attr_alloc_init();
if ((ip6_mutex = lck_mtx_alloc_init(ip6_mutex_grp, ip6_mutex_attr)) == NULL) {
panic("ip6_init: can't alloc ip6_mutex\n");
}
if ((dad6_mutex = lck_mtx_alloc_init(ip6_mutex_grp, ip6_mutex_attr)) == NULL) {
panic("ip6_init: can't alloc dad6_mutex\n");
}
if ((nd6_mutex = lck_mtx_alloc_init(ip6_mutex_grp, ip6_mutex_attr)) == NULL) {
panic("ip6_init: can't alloc nd6_mutex\n");
}
if ((prefix6_mutex = lck_mtx_alloc_init(ip6_mutex_grp, ip6_mutex_attr)) == NULL) {
panic("ip6_init: can't alloc prefix6_mutex\n");
}
if ((scope6_mutex = lck_mtx_alloc_init(ip6_mutex_grp, ip6_mutex_attr)) == NULL) {
panic("ip6_init: can't alloc scope6_mutex\n");
}
inet6domain.dom_flags = DOM_REENTRANT;
ip6intrq.ifq_maxlen = ip6qmaxlen;
in6_ifaddr_init();
nd6_init();
frag6_init();
icmp6_init();
/*
* in many cases, random() here does NOT return random number
* as initialization during bootstrap time occur in fixed order.
*/
microtime(&tv);
ip6_flow_seq = random() ^ tv.tv_usec;
microtime(&tv);
ip6_desync_factor = (random() ^ tv.tv_usec) % MAX_TEMP_DESYNC_FACTOR;
timeout(ip6_init2, (caddr_t)0, 1 * hz);
lck_mtx_unlock(domain_proto_mtx);
proto_register_input(PF_INET6, ip6_proto_input, NULL, 0);
lck_mtx_lock(domain_proto_mtx);
}
