static int ipv6_route_compare(void *ka, void *kb)
{
struct pico_ipv6_route *a = ka, *b = kb;
int ret;
/* Routes are sorted by (host side) netmask len, then by addr, then by metric. */
ret = pico_ipv6_compare(&a->netmask, &b->netmask);
if (ret)
return ret;
ret = pico_ipv6_compare(&a->dest, &b->dest);
if (ret)
return ret;
return ipv6_compare_metric(a, b);
}
int pico_address_compare(union pico_address *a, union pico_address *b, uint16_t proto)
{
#ifdef PICO_SUPPORT_IPV6
if (proto == PICO_PROTO_IPV6) {
return pico_ipv6_compare(&a->ip6, &b->ip6);
}
#endif
#ifdef PICO_SUPPORT_IPV4
if (proto == PICO_PROTO_IPV4) {
return pico_ipv4_compare(&a->ip4, &b->ip4);
}
#endif
return 0;
}
static int ipv6_link_compare(void *ka, void *kb)
{
struct pico_ipv6_link *a = ka, *b = kb;
struct pico_ip6 *a_addr, *b_addr;
int ret;
a_addr = &a->address;
b_addr = &b->address;
ret = pico_ipv6_compare(a_addr, b_addr);
if (ret)
return ret;
/* zero can be assigned multiple times (e.g. for DHCP) */
if (a->dev != NULL && b->dev != NULL && !memcmp(a->address.addr, PICO_IP6_ANY, PICO_SIZE_IP6) && !memcmp(b->address.addr, PICO_IP6_ANY, PICO_SIZE_IP6)) {
/* XXX change PICO_IP6_ANY */
if (a->dev < b->dev)
return -1;
if (a->dev > b->dev)
return 1;
}
return 0;
}
