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authorDavid Ahern <dsahern@gmail.com>2017-10-27 17:37:13 -0700
committerDavid S. Miller <davem@davemloft.net>2017-11-01 11:50:43 +0900
commit6c31e5a91fde2e718e59c8a627c56451f88be54c (patch)
treeae03e8363447f51fd2d7f9e7eb2ea654e670cff9 /net/ipv6
parent4f6265d485ea0a2507692ded8ed47b323f49587c (diff)
net: Add extack to fib_notifier_info
Add extack to fib_notifier_info and plumb through stack to call_fib_rule_notifiers, call_fib_entry_notifiers and call_fib6_entry_notifiers. This allows notifer handlers to return messages to user. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_fib.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 1ada9672d198..2e2804f5823e 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -353,9 +353,11 @@ static int call_fib6_entry_notifier(struct notifier_block *nb, struct net *net,
static int call_fib6_entry_notifiers(struct net *net,
enum fib_event_type event_type,
- struct rt6_info *rt)
+ struct rt6_info *rt,
+ struct netlink_ext_ack *extack)
{
struct fib6_entry_notifier_info info = {
+ .info.extack = extack,
.rt = rt,
};
@@ -868,7 +870,8 @@ static void fib6_purge_rt(struct rt6_info *rt, struct fib6_node *fn,
*/
static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
- struct nl_info *info, struct mx6_config *mxc)
+ struct nl_info *info, struct mx6_config *mxc,
+ struct netlink_ext_ack *extack)
{
struct rt6_info *leaf = rcu_dereference_protected(fn->leaf,
lockdep_is_held(&rt->rt6i_table->tb6_lock));
@@ -1011,7 +1014,7 @@ add:
rcu_assign_pointer(rt->rt6i_node, fn);
rcu_assign_pointer(*ins, rt);
call_fib6_entry_notifiers(info->nl_net, FIB_EVENT_ENTRY_ADD,
- rt);
+ rt, extack);
if (!info->skip_notify)
inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags);
info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
@@ -1040,7 +1043,7 @@ add:
rt->dst.rt6_next = iter->dst.rt6_next;
rcu_assign_pointer(*ins, rt);
call_fib6_entry_notifiers(info->nl_net, FIB_EVENT_ENTRY_REPLACE,
- rt);
+ rt, extack);
if (!info->skip_notify)
inet6_rt_notify(RTM_NEWROUTE, rt, info, NLM_F_REPLACE);
if (!(fn->fn_flags & RTN_RTINFO)) {
@@ -1225,7 +1228,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt,
}
#endif
- err = fib6_add_rt2node(fn, rt, info, mxc);
+ err = fib6_add_rt2node(fn, rt, info, mxc, extack);
if (!err) {
fib6_update_sernum_upto_root(rt, sernum);
fib6_start_gc(info->nl_net, rt);
@@ -1686,7 +1689,7 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
fib6_purge_rt(rt, fn, net);
- call_fib6_entry_notifiers(net, FIB_EVENT_ENTRY_DEL, rt);
+ call_fib6_entry_notifiers(net, FIB_EVENT_ENTRY_DEL, rt, NULL);
if (!info->skip_notify)
inet6_rt_notify(RTM_DELROUTE, rt, info, 0);
rt6_release(rt);