int border_initialize(char *if_name, const char *ip_addr, const char *tty_dev)
{
int res, i;
char command[21 + IPV6_ADDR_LEN + IF_NAME_LEN];
char ip_addr_cpy[IPV6_ADDR_LEN];
struct in6_addr parsed_addr;
strncpy(ip_addr_cpy, ip_addr, IPV6_ADDR_LEN);
strtok(ip_addr_cpy, "/");
if ((res = inet_pton(AF_INET6, ip_addr_cpy, &parsed_addr)) != 1) {
return res;
}
if ((res = init_multiplex(tty_dev)) != 0) {
return res;
}
tun_fd = open_tun(if_name, IFF_TUN);
printf("INFO: ip link set %s up\n", if_name);
sprintf(command, "ip link set %s up", if_name);
strncpy(tun_if_name, if_name, IF_NAME_LEN);
if ((res = system(command)) != 0) {
return res;
}
if ((res = tun_add_addr(ip_addr)) != 0) {
return res;
}
// initialize context cache as empty.
for (i = 0; i < MAXIMUM_CONTEXTS; i++) {
context_cache[i].cid = 0xFF;
}
pthread_create(&serial_reader, NULL, serial_reader_f, NULL);
hard_reset_to_user_code();
flowcontrol_init(&parsed_addr);
pthread_create(&tun_reader, NULL, tun_reader_f, NULL);
return 0;
}
uint8_t border_initialize(transceiver_type_t trans, ipv6_addr_t *border_router_addr)
{
ipv6_addr_t addr;
serial_reader_pid = thread_create(
serial_reader_stack, READER_STACK_SIZE,
PRIORITY_MAIN - 1, CREATE_STACKTEST,
serial_reader_f, "serial_reader");
if(border_router_addr == NULL) {
border_router_addr = &addr;
addr = flowcontrol_init();
}
/* only allow addresses generated accoding to
* RFC 4944 (Section 6) & RFC 2464 (Section 4) from short address
* -- for now
*/
if(border_router_addr->uint16[4] != HTONS(IEEE_802154_PAN_ID ^ 0x0200) ||
border_router_addr->uint16[5] != HTONS(0x00FF) ||
border_router_addr->uint16[6] != HTONS(0xFE00)
) {
return SIXLOWERROR_ADDRESS;
}
/* radio-address is 8-bit so this must be tested extra */
if(border_router_addr->uint8[14] != 0) {
return SIXLOWERROR_ADDRESS;
}
memcpy(&(abr_addr.uint8[0]), &(border_router_addr->uint8[0]), 16);
sixlowpan_init(trans, border_router_addr->uint8[15], 1);
ipv6_init_iface_as_router();
return SUCCESS;
}
