int ipv6_net_if_add_addr(int if_id, const ipv6_addr_t *addr,
ndp_addr_state_t state, uint32_t val_ltime,
uint32_t pref_ltime, uint8_t is_anycast)
{
ipv6_net_if_addr_t *addr_entry;
ipv6_net_if_hit_t hit;
if (ipv6_addr_is_unspecified(addr) == 128) {
DEBUG("ERROR: unspecified address (::) can't be assigned to interface.\n");
return 0;
}
if (ipv6_addr_is_multicast(addr) && is_anycast) {
DEBUG("ERROR: anycast addresses must not be multicast addresses "
"(i.e. start with ff::/2)\n");
return 0;
}
if (ipv6_net_if_addr_match(&hit, addr)) {
return 1;
}
if (ipv6_net_if_addr_buffer_count < IPV6_NET_IF_ADDR_BUFFER_LEN) {
timex_t valtime = {val_ltime, 0};
timex_t preftime = {pref_ltime, 0};
timex_t now;
vtimer_now(&now);
ipv6_addr_t *addr_data = &ipv6_addr_buffer[ipv6_net_if_addr_buffer_count];
memcpy(addr_data, addr, sizeof(ipv6_addr_t));
addr_entry = &ipv6_net_if_addr_buffer[ipv6_net_if_addr_buffer_count];
addr_entry->addr_data = addr_data;
addr_entry->addr_len = 128;
if (is_anycast) {
addr_entry->addr_protocol = NET_IF_L3P_IPV6_ANYCAST;
}
else if (ipv6_addr_is_multicast(addr_data)) {
addr_entry->addr_protocol = NET_IF_L3P_IPV6_MULTICAST;
}
else {
addr_entry->addr_protocol = NET_IF_L3P_IPV6_UNICAST;
}
addr_entry->ndp_state = state;
addr_entry->valid_lifetime = timex_add(now, valtime);
addr_entry->preferred_lifetime = timex_add(now, preftime);
addr_entry->is_anycast = is_anycast;
ipv6_net_if_addr_buffer_count++;
net_if_add_address(if_id, (net_if_addr_t *)addr_entry);
/* Register to Solicited-Node multicast address according to RFC 4291 */
if (is_anycast || !ipv6_addr_is_multicast(addr)) {
ipv6_addr_t sol_node_mcast_addr;
ipv6_addr_set_solicited_node_addr(&sol_node_mcast_addr, addr);
if (ipv6_net_if_addr_match(&hit, &sol_node_mcast_addr) == NULL) {
ipv6_net_if_add_addr(if_id, &sol_node_mcast_addr, state,
val_ltime, pref_ltime, 0);
}
}
return 1;
}
return 0;
}
int test_net_if_add_address(int iface, net_if_addr_t *addr1,
net_if_addr_t *addr2)
{
int count = 0;
net_if_addr_t *addr_ptr = NULL;
if (net_if_add_address(iface + 1, addr1)) {
printf("FAILED: expected net_if_add_address(%d, %p) to fail.\n",
iface + 1, (void *)addr1);
return 0;
}
if (net_if_add_address(iface, NULL)) {
printf("FAILED: expected net_if_add_address(%d, NULL) to fail.\n",
iface);
return 0;
}
if (!net_if_add_address(iface, addr1)) {
printf("FAILED: Address addition failed\n");
return 0;
}
if (!(net_if_get_l3p_types(iface) & NET_IF_L3P_IPV6_MULTICAST)) {
printf("FAILED: L3 type IPv6 multicast expected on interface %d.\n", iface);
return 0;
}
if (net_if_get_l3p_types(iface) & ~NET_IF_L3P_IPV6_MULTICAST) {
printf("FAILED: L3 type other than IPv6 multicast not expected on interface %d.\n",
iface);
return 0;
}
if (!net_if_add_address(iface, addr2)) {
printf("FAILED: Address addition failed\n");
return 0;
}
if (!(net_if_get_l3p_types(iface) & NET_IF_L3P_IPV6_MULTICAST)) {
printf("FAILED: L3 type IPv6 multcast expected on interface %d.\n", iface);
return 0;
}
if (!(net_if_get_l3p_types(iface) & NET_IF_L3P_IPV6_PREFIX)) {
printf("FAILED: L3 type IPv6 prefix expected on interface %d.\n", iface);
return 0;
}
if (net_if_get_l3p_types(iface) & ~(NET_IF_L3P_IPV6_MULTICAST | NET_IF_L3P_IPV6_PREFIX)) {
printf("FAILED: L3 type other than IPv6 multicast and IPv6 prefix not expected on interface %d.\n",
iface);
return 0;
}
while (net_if_iter_addresses(iface, &addr_ptr)) {
if (addr_ptr == addr1 || addr_ptr == addr2) {
count++;
}
}
if (count != 2) {
printf("FAILED: expected 2 addresses in iface's address list once respectively\n");
printf(" missing '%d'\n", 2 - count);
return 0;
}
return 1;
}
