void fib6_run_gc(unsigned long dummy)
{
if (dummy != ~0UL)
gc_args.timeout = (int)dummy;
else
gc_args.timeout = ip6_rt_gc_interval;
gc_args.more = 0;
fib6_clean_tree(&ip6_routing_table, fib6_age, 0, NULL);
del_timer(&ip6_fib_timer);
ip6_fib_timer.expires = 0;
if (gc_args.more) {
ip6_fib_timer.expires = jiffies + ip6_rt_gc_interval;
add_timer(&ip6_fib_timer);
}
}
static struct rt6_info *rt6_flow_lookup(struct rt6_info *rt,
struct in6_addr *daddr,
struct in6_addr *saddr,
struct fl_acc_args *args)
{
struct flow_rule *frule;
struct rt6_info *nrt = NULL;
struct pol_chain *pol;
for (pol = rt6_pol_list; pol; pol = pol->next) {
struct fib6_node *fn;
struct rt6_info *sprt;
fn = fib6_lookup(pol->rules, daddr, saddr);
do {
for (sprt = fn->leaf; sprt; sprt=sprt->u.next) {
int res;
frule = sprt->rt6i_flowr;
#if RT6_DEBUG >= 2
if (frule == NULL) {
printk(KERN_DEBUG "NULL flowr\n");
goto error;
}
#endif
res = frule->ops->accept(rt, sprt, args, &nrt);
switch (res) {
case FLOWR_SELECT:
goto found;
case FLOWR_CLEAR:
goto next_policy;
case FLOWR_NODECISION:
break;
default:
goto error;
};
}
fn = fn->parent;
} while ((fn->fn_flags & RTN_TL_ROOT) == 0);
next_policy:
}
error:
dst_hold(&ip6_null_entry.u.dst);
return &ip6_null_entry;
found:
if (nrt == NULL)
goto error;
nrt->rt6i_flags |= RTF_CACHE;
dst_hold(&nrt->u.dst);
err = rt6_ins(nrt, NULL);
if (err)
nrt->u.dst.error = err;
return nrt;
}
#endif
static int fib6_ifdown(struct rt6_info *rt, void *arg)
{
if (((void*)rt->rt6i_dev == arg || arg == NULL) &&
rt != &ip6_null_entry) {
RT6_TRACE("deleted by ifdown %p\n", rt);
return -1;
}
return 0;
}
void rt6_ifdown(struct net_device *dev)
{
write_lock_bh(&rt6_lock);
fib6_clean_tree(&ip6_routing_table, fib6_ifdown, 0, dev);
write_unlock_bh(&rt6_lock);
}
static void fib6_prune_clones(struct fib6_node *fn, struct rt6_info *rt)
{
fib6_clean_tree(fn, fib6_prune_clone, 1, rt);
}