uint32_t ipv6_init(const ipv6_init_t * p_init)
{
uint32_t index;
uint32_t err_code;
ble_6lowpan_init_t init_params;
NULL_PARAM_CHECK(p_init);
NULL_PARAM_CHECK(p_init->p_eui64);
NULL_PARAM_CHECK(p_init->event_handler);
SDK_MUTEX_INIT(m_ipv6_mutex);
IPV6_MUTEX_LOCK();
IPV6_ENTRY();
// Initialize related modules.
UNUSED_VARIABLE(nrf_mem_init());
UNUSED_VARIABLE(iot_pbuffer_init());
// Initialize submodules of IPv6 stack.
UNUSED_VARIABLE(udp_init());
UNUSED_VARIABLE(icmp6_init());
// Initialize context manager.
UNUSED_VARIABLE(iot_context_manager_init());
IPV6_ADDRESS_INITIALIZE(IPV6_ADDR_ANY);
// Set application event handler.
m_event_handler = p_init->event_handler;
// Clear number of interfaces.
m_interfaces_count = 0;
// Clear network interfaces.
for (index = 0; index < IPV6_MAX_INTERFACE; index++)
{
interface_reset(&m_interfaces[index]);
}
// Clear all addresses.
for (index = 0; index < IPV6_MAX_ADDRESS_COUNT; index++)
{
addr_free(index, false);
}
// 6LoWPAN module initialization.
init_params.p_eui64 = p_init->p_eui64;
init_params.event_handler = ble_6lowpan_evt_handler;
err_code = ble_6lowpan_init(&init_params);
IPV6_EXIT();
IPV6_MUTEX_UNLOCK();
return err_code;
}
static status_t
icmp6_std_ops(int32 op, ...)
{
switch (op) {
case B_MODULE_INIT:
return icmp6_init();
case B_MODULE_UNINIT:
return B_OK;
default:
return B_ERROR;
}
}
/*
* 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(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(!((unsigned int)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;
}
}
ip6intrq.ifq_maxlen = ip6qmaxlen;
#ifndef __APPLE__
register_netisr(NETISR_IPV6, ip6intr);
#endif
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, 2 * hz);
}
/*
* 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);
}
int main(int argc, char **argv)
{
pthread_t sigth;
sigset_t sigblock;
int logflags = 0;
int ret = 1;
debug_init();
sigemptyset(&sigblock);
sigaddset(&sigblock, SIGHUP);
sigaddset(&sigblock, SIGINT);
sigaddset(&sigblock, SIGTERM);
#ifdef ENABLE_VT
sigaddset(&sigblock, SIGPIPE);
#endif
pthread_sigmask(SIG_BLOCK, &sigblock, NULL);
if (conf_parse(&conf, argc, argv))
return 1;
if (conf.debug_level > 0)
logflags = LOG_PERROR;
openlog(basename(argv[0]), LOG_PID|logflags, LOG_DAEMON);
syslog(LOG_INFO, "%s v%s started (%s)", PACKAGE_NAME, PACKAGE_VERSION,
entity_string[conf.mip6_entity]);
#ifdef ENABLE_VT
if (vt_init() < 0)
goto vt_failed;
#endif
/* if not debugging, detach from tty */
if (conf.debug_level == 0)
daemon_start(1);
else {
/* if debugging with debug log file, detach from tty */
if (conf.debug_log_file) {
daemon_start(1);
ret = debug_open(conf.debug_log_file);
if (ret < 0) {
fprintf(stderr, "can't init debug log:%s\n",
strerror(-ret));
goto debug_failed;
}
dbg("%s started in debug mode\n", PACKAGE_NAME);
} else {
dbg("%s started in debug mode, not detaching from terminal\n",
PACKAGE_NAME);
}
conf_show(&conf);
}
srandom(time(NULL));
if (rr_cn_init() < 0)
goto rr_cn_failed;
if (policy_init() < 0)
goto policy_failed;
if (taskqueue_init() < 0)
goto taskqueue_failed;
if (bcache_init() < 0)
goto bcache_failed;
if (mh_init() < 0)
goto mh_failed;
if (icmp6_init() < 0)
goto icmp6_failed;
if (xfrm_init() < 0)
goto xfrm_failed;
cn_init();
if ((is_ha() || is_mn()) && tunnelctl_init() < 0)
goto tunnelctl_failed;
if (is_ha() && ha_init() < 0)
goto ha_failed;
if (is_mn() && mn_init() < 0)
goto mn_failed;
#ifdef ENABLE_VT
if (vt_start(conf.vt_hostname, conf.vt_service) < 0)
goto vt_start_failed;
#endif
if (pthread_create(&sigth, NULL, sigh, NULL))
goto sigth_failed;
pthread_join(sigth, NULL);
ret = 0;
sigth_failed:
#ifdef ENABLE_VT
vt_fini();
vt_start_failed:
#endif
if (is_mn())
mn_cleanup();
mn_failed:
if (is_ha())
ha_cleanup();
ha_failed:
if (is_ha() || is_mn())
tunnelctl_cleanup();
tunnelctl_failed:
cn_cleanup();
xfrm_cleanup();
xfrm_failed:
icmp6_cleanup();
icmp6_failed:
mh_cleanup();
mh_failed:
bcache_cleanup();
bcache_failed:
taskqueue_destroy();
taskqueue_failed:
policy_cleanup();
policy_failed:
rr_cn_failed:
debug_close();
debug_failed:
#ifdef ENABLE_VT
vt_failed:
#endif
syslog(LOG_INFO, "%s v%s stopped (%s)", PACKAGE_NAME, PACKAGE_VERSION,
entity_string[conf.mip6_entity]);
closelog();
return ret;
}