int route_add_foreign(
Link *link,
int family,
const union in_addr_union *dst,
unsigned char dst_prefixlen,
unsigned char tos,
uint32_t priority,
unsigned char table,
Route **ret) {
return route_add_internal(link, &link->routes_foreign, family, dst, dst_prefixlen, tos, priority, table, ret);
}
int route_add(
Link *link,
int family,
const union in_addr_union *dst,
unsigned char dst_prefixlen,
unsigned char tos,
uint32_t priority,
uint32_t table,
Route **ret) {
Route *route;
int r;
r = route_get(link, family, dst, dst_prefixlen, tos, priority, table, &route);
if (r == -ENOENT) {
/* Route does not exist, create a new one */
r = route_add_internal(link, &link->routes, family, dst, dst_prefixlen, tos, priority, table, &route);
if (r < 0)
return r;
} else if (r == 0) {
/* Take over a foreign route */
r = set_ensure_allocated(&link->routes, &route_hash_ops);
if (r < 0)
return r;
r = set_put(link->routes, route);
if (r < 0)
return r;
set_remove(link->routes_foreign, route);
} else if (r == 1) {
/* Route exists, do nothing */
;
} else
return r;
if (ret)
*ret = route;
return 0;
}
