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Diffstat (limited to 'net/sched/cls_api.c')
-rw-r--r--net/sched/cls_api.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 2b2a7974e4bb..1ecdf809b5fa 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -148,13 +148,15 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)
unsigned long cl;
unsigned long fh;
int err;
- int tp_created = 0;
+ int tp_created;
if ((n->nlmsg_type != RTM_GETTFILTER) &&
!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN))
return -EPERM;
replay:
+ tp_created = 0;
+
err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL);
if (err < 0)
return err;
@@ -430,7 +432,8 @@ static int tfilter_notify(struct net *net, struct sk_buff *oskb,
if (!skb)
return -ENOBUFS;
- if (tcf_fill_node(net, skb, tp, fh, portid, n->nlmsg_seq, 0, event) <= 0) {
+ if (tcf_fill_node(net, skb, tp, fh, portid, n->nlmsg_seq,
+ n->nlmsg_flags, event) <= 0) {
kfree_skb(skb);
return -EINVAL;
}
@@ -681,6 +684,30 @@ int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts)
}
EXPORT_SYMBOL(tcf_exts_dump_stats);
+int tcf_exts_get_dev(struct net_device *dev, struct tcf_exts *exts,
+ struct net_device **hw_dev)
+{
+#ifdef CONFIG_NET_CLS_ACT
+ const struct tc_action *a;
+ LIST_HEAD(actions);
+
+ if (tc_no_actions(exts))
+ return -EINVAL;
+
+ tcf_exts_to_list(exts, &actions);
+ list_for_each_entry(a, &actions, list) {
+ if (a->ops->get_dev) {
+ a->ops->get_dev(a, dev_net(dev), hw_dev);
+ break;
+ }
+ }
+ if (*hw_dev)
+ return 0;
+#endif
+ return -EOPNOTSUPP;
+}
+EXPORT_SYMBOL(tcf_exts_get_dev);
+
static int __init tc_filter_init(void)
{
rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL, NULL);