net: sched: remove unused tcf_exts_get_dev helper and cls_flower->egress_dev

The helper and the struct field ares no longer used by any code,
so remove them.
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/pkt_cls.h

@@ -204,8 +204,6 @@ void tcf_exts_destroy(struct tcf_exts *exts);
 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
-int tcf_exts_get_dev(struct net_device *dev, struct tcf_exts *exts,
-		     struct net_device **hw_dev);
 
 /**
  * struct tcf_pkt_info - packet information
@@ -517,7 +515,6 @@ struct tc_cls_flower_offload {
 	struct fl_flow_key *mask;
 	struct fl_flow_key *key;
 	struct tcf_exts *exts;
-	bool egress_dev;
 };
 
 enum tc_matchall_command {

net/sched/cls_api.c

@@ -1004,28 +1004,6 @@ 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 (!tcf_exts_has_actions(exts))
-		return -EINVAL;
-
-	tcf_exts_to_list(exts, &actions);
-	list_for_each_entry(a, &actions, list) {
-		if (a->ops->get_dev)
-			*hw_dev = a->ops->get_dev(a);
-	}
-	if (*hw_dev)
-		return 0;
-#endif
-	return -EOPNOTSUPP;
-}
-EXPORT_SYMBOL(tcf_exts_get_dev);
-
 static int tc_exts_setup_cb_egdev_call(struct tcf_exts *exts,
 				       enum tc_setup_type type,
 				       void *type_data, bool err_stop)