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[NETNS][IPV6] ip6_fib - clean node use namespace 

The fib6_clean_node function should have the network namespace it is
working on. The fib6_cleaner_t structure is extended with the network
namespace field to be passed to the fib6_clean_node function.

The different functions calling the fib6_clean_node function are
extended with the netns parameter when needed to propagate the netns
pointer.

Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Benjamin Thery 2008-03-03 23:31:57 -08:00 committed by David S. Miller
parent 63152fc0de
commit ec7d43c291
1 changed files with 15 additions and 10 deletions
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25
net/ipv6/ip6_fib.c
View File

@ -66,6 +66,7 @@ enum fib_walk_state_t
struct fib6_cleaner_t
{
struct fib6_walker_t w;
struct net *net;
int (*func)(struct rt6_info *, void *arg);
void *arg;
};
@ -78,7 +79,8 @@ static DEFINE_RWLOCK(fib6_walker_lock);
#define FWS_INIT FWS_L
#endif
static void fib6_prune_clones(struct fib6_node *fn, struct rt6_info *rt);
static void fib6_prune_clones(struct net *net, struct fib6_node *fn,
struct rt6_info *rt);
static struct rt6_info * fib6_find_prefix(struct fib6_node *fn);
static struct fib6_node * fib6_repair_tree(struct fib6_node *fn);
static int fib6_walk(struct fib6_walker_t *w);
@ -762,7 +764,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
if (err == 0) {
fib6_start_gc(info->nl_net, rt);
if (!(rt->rt6i_flags&RTF_CACHE))
fib6_prune_clones(pn, rt);
fib6_prune_clones(info->nl_net, pn, rt);
}
out:
@ -1168,7 +1170,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
pn = pn->parent;
}
#endif
fib6_prune_clones(pn, rt);
fib6_prune_clones(info->nl_net, pn, rt);
}
/*
@ -1298,12 +1300,12 @@ static int fib6_walk(struct fib6_walker_t *w)
static int fib6_clean_node(struct fib6_walker_t *w)
{
struct nl_info info = {
.nl_net = &init_net,
};
int res;
struct rt6_info *rt;
struct fib6_cleaner_t *c = container_of(w, struct fib6_cleaner_t, w);
struct nl_info info = {
.nl_net = c->net,
};
for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
res = c->func(rt, c->arg);
@ -1335,7 +1337,7 @@ static int fib6_clean_node(struct fib6_walker_t *w)
* ignoring pure split nodes) will be scanned.
*/
static void fib6_clean_tree(struct fib6_node *root,
static void fib6_clean_tree(struct net *net, struct fib6_node *root,
int (*func)(struct rt6_info *, void *arg),
int prune, void *arg)
{
@ -1346,6 +1348,7 @@ static void fib6_clean_tree(struct fib6_node *root,
c.w.prune = prune;
c.func = func;
c.arg = arg;
c.net = net;
fib6_walk(&c.w);
}
@ -1363,7 +1366,8 @@ void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(table, node, head, tb6_hlist) {
write_lock_bh(&table->tb6_lock);
fib6_clean_tree(&table->tb6_root, func, prune, arg);
fib6_clean_tree(net, &table->tb6_root,
func, prune, arg);
write_unlock_bh(&table->tb6_lock);
}
}
@ -1380,9 +1384,10 @@ static int fib6_prune_clone(struct rt6_info *rt, void *arg)
return 0;
}
static void fib6_prune_clones(struct fib6_node *fn, struct rt6_info *rt)
static void fib6_prune_clones(struct net *net, struct fib6_node *fn,
struct rt6_info *rt)
{
fib6_clean_tree(fn, fib6_prune_clone, 1, rt);
fib6_clean_tree(net, fn, fib6_prune_clone, 1, rt);
}
/*