/*
* IP6 initialization: fill in IP6 protocol switch table.
* All protocols not implemented in kernel go to raw IP6 protocol handler.
*/
void
ip6_init(void)
{
struct ip6protosw *pr;
int i;
TUNABLE_INT_FETCH("net.inet6.ip6.auto_linklocal",
&V_ip6_auto_linklocal);
TUNABLE_INT_FETCH("net.inet6.ip6.accept_rtadv", &V_ip6_accept_rtadv);
TUNABLE_INT_FETCH("net.inet6.ip6.no_radr", &V_ip6_no_radr);
TAILQ_INIT(&V_in6_ifaddrhead);
V_in6_ifaddrhashtbl = hashinit(IN6ADDR_NHASH, M_IFADDR,
&V_in6_ifaddrhmask);
/* Initialize packet filter hooks. */
V_inet6_pfil_hook.ph_type = PFIL_TYPE_AF;
V_inet6_pfil_hook.ph_af = AF_INET6;
if ((i = pfil_head_register(&V_inet6_pfil_hook)) != 0)
printf("%s: WARNING: unable to register pfil hook, "
"error %d\n", __func__, i);
scope6_init();
addrsel_policy_init();
nd6_init();
frag6_init();
V_ip6_desync_factor = arc4random() % MAX_TEMP_DESYNC_FACTOR;
/* Skip global initialization stuff for non-default instances. */
if (!IS_DEFAULT_VNET(curvnet))
return;
#ifdef 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 == NULL)
panic("ip6_init");
/* Initialize the entire ip6_protox[] array to IPPROTO_RAW. */
for (i = 0; i < IPPROTO_MAX; i++)
ip6_protox[i] = pr - inet6sw;
/*
* Cycle through IP protocols and put them into the appropriate place
* in ip6_protox[].
*/
for (pr = (struct ip6protosw *)inet6domain.dom_protosw;
pr < (struct ip6protosw *)inet6domain.dom_protoswNPROTOSW; pr++)
if (pr->pr_domain->dom_family == PF_INET6 &&
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) {
/* Be careful to only index valid IP protocols. */
if (pr->pr_protocol < IPPROTO_MAX)
ip6_protox[pr->pr_protocol] = pr - inet6sw;
}
netisr_register(&ip6_nh);
}
/*
* IP6 initialization: fill in IP6 protocol switch table.
* All protocols not implemented in kernel go to raw IP6 protocol handler.
*/
void
ip6_init(void)
{
struct protosw *pr;
int i;
struct timeval tv;
pr = pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW);
if (pr == NULL)
panic("ip6_init");
for (i = 0; i < IPPROTO_MAX; i++)
ip6_protox[i] = pr - inet6sw;
for (pr = inet6domain.dom_protosw;
pr < inet6domain.dom_protoswNPROTOSW; pr++)
if (pr->pr_domain->dom_family == PF_INET6 &&
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW)
ip6_protox[pr->pr_protocol] = pr - inet6sw;
inet6_pfil_hook.ph_type = PFIL_TYPE_AF;
inet6_pfil_hook.ph_af = AF_INET6;
if ((i = pfil_head_register(&inet6_pfil_hook)) != 0) {
kprintf("%s: WARNING: unable to register pfil hook, "
"error %d\n", __func__, i);
}
netisr_register(NETISR_IPV6, ip6_input, NULL); /* XXX cpufn */
scope6_init();
addrsel_policy_init();
nd6_init();
frag6_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 = krandom() ^ tv.tv_usec;
microtime(&tv);
ip6_desync_factor = (krandom() ^ tv.tv_usec) % MAX_TEMP_DESYNC_FACTOR;
}
/*
* 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;
#ifdef 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 - inet6sw;
for (pr = (struct ip6protosw *)inet6domain.dom_protosw;
pr < (struct ip6protosw *)inet6domain.dom_protoswNPROTOSW; pr++)
if (pr->pr_domain->dom_family == PF_INET6 &&
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW)
ip6_protox[pr->pr_protocol] = pr - inet6sw;
/* Initialize packet filter hooks. */
inet6_pfil_hook.ph_type = PFIL_TYPE_AF;
inet6_pfil_hook.ph_af = AF_INET6;
if ((i = pfil_head_register(&inet6_pfil_hook)) != 0)
printf("%s: WARNING: unable to register pfil hook, "
"error %d\n", __func__, i);
ip6intrq.ifq_maxlen = ip6qmaxlen;
mtx_init(&ip6intrq.ifq_mtx, "ip6_inq", NULL, MTX_DEF);
netisr_register(NETISR_IPV6, ip6_input, &ip6intrq, 0);
scope6_init();
addrsel_policy_init();
nd6_init();
frag6_init();
ip6_desync_factor = arc4random() % MAX_TEMP_DESYNC_FACTOR;
}
/*
* IP6 initialization: fill in IP6 protocol switch table.
* All protocols not implemented in kernel go to raw IP6 protocol handler.
*/
void
ip6_init(void)
{
struct ip6protosw *pr;
int i;
TUNABLE_INT_FETCH("net.inet6.ip6.auto_linklocal",
&V_ip6_auto_linklocal);
TAILQ_INIT(&V_in6_ifaddrhead);
/* Initialize packet filter hooks. */
V_inet6_pfil_hook.ph_type = PFIL_TYPE_AF;
V_inet6_pfil_hook.ph_af = AF_INET6;
if ((i = pfil_head_register(&V_inet6_pfil_hook)) != 0)
printf("%s: WARNING: unable to register pfil hook, "
"error %d\n", __func__, i);
scope6_init();
addrsel_policy_init();
nd6_init();
frag6_init();
#ifdef FLOWTABLE
if (TUNABLE_INT_FETCH("net.inet6.ip6.output_flowtable_size",
&V_ip6_output_flowtable_size)) {
if (V_ip6_output_flowtable_size < 256)
V_ip6_output_flowtable_size = 256;
if (!powerof2(V_ip6_output_flowtable_size)) {
printf("flowtable must be power of 2 size\n");
V_ip6_output_flowtable_size = 2048;
}
} else {
/*
* round up to the next power of 2
*/
V_ip6_output_flowtable_size = 1 << fls((1024 + maxusers * 64)-1);
}
V_ip6_ft = flowtable_alloc("ipv6", V_ip6_output_flowtable_size, FL_IPV6|FL_PCPU);
#endif
V_ip6_desync_factor = arc4random() % MAX_TEMP_DESYNC_FACTOR;
/* Skip global initialization stuff for non-default instances. */
if (!IS_DEFAULT_VNET(curvnet))
return;
#ifdef 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 == NULL)
panic("ip6_init");
/* Initialize the entire ip6_protox[] array to IPPROTO_RAW. */
for (i = 0; i < IPPROTO_MAX; i++)
ip6_protox[i] = pr - inet6sw;
/*
* Cycle through IP protocols and put them into the appropriate place
* in ip6_protox[].
*/
for (pr = (struct ip6protosw *)inet6domain.dom_protosw;
pr < (struct ip6protosw *)inet6domain.dom_protoswNPROTOSW; pr++)
if (pr->pr_domain->dom_family == PF_INET6 &&
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) {
/* Be careful to only index valid IP protocols. */
if (pr->pr_protocol < IPPROTO_MAX)
ip6_protox[pr->pr_protocol] = pr - inet6sw;
}
netisr_register(&ip6_nh);
}