[PATCH net-next 08/22] net: sched: act_gate: get rid of tcf_gate_walker and tcf_gate_search

[Zhengchao Shao]

Use __tcf_generic_walker() and __tcf_idr_search() helpers by saving
gate_net_id when registering act_gate_ops. And then remove the walk
and lookup hook functions in act_gate.

Signed-off-by: Zhengchao Shao <shaozhengchao@xxxxxxxxxx>
---
 net/sched/act_gate.c | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index fd5155274733..e347e3b42a14 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -565,15 +565,6 @@ static int tcf_gate_dump(struct sk_buff *skb, struct tc_action *a,
 	return -1;
 }
 
-static int tcf_gate_walker(struct net *net, struct sk_buff *skb,
-			   struct netlink_callback *cb, int type,
-			   const struct tc_action_ops *ops,
-			   struct netlink_ext_ack *extack)
-{
-	struct tc_action_net *tn = net_generic(net, gate_net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
 
 static void tcf_gate_stats_update(struct tc_action *a, u64 bytes, u64 packets,
 				  u64 drops, u64 lastuse, bool hw)
@@ -585,13 +576,6 @@ static void tcf_gate_stats_update(struct tc_action *a, u64 bytes, u64 packets,
 	tm->lastuse = max_t(u64, tm->lastuse, lastuse);
 }
 
-static int tcf_gate_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, gate_net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static size_t tcf_gate_get_fill_size(const struct tc_action *act)
 {
 	return nla_total_size(sizeof(struct tc_gate));
@@ -649,15 +633,14 @@ static int tcf_gate_offload_act_setup(struct tc_action *act, void *entry_data,
 static struct tc_action_ops act_gate_ops = {
 	.kind		=	"gate",
 	.id		=	TCA_ID_GATE,
+	.net_id		=	&gate_net_id,
 	.owner		=	THIS_MODULE,
 	.act		=	tcf_gate_act,
 	.dump		=	tcf_gate_dump,
 	.init		=	tcf_gate_init,
 	.cleanup	=	tcf_gate_cleanup,
-	.walk		=	tcf_gate_walker,
 	.stats_update	=	tcf_gate_stats_update,
 	.get_fill_size	=	tcf_gate_get_fill_size,
-	.lookup		=	tcf_gate_search,
 	.offload_act_setup =	tcf_gate_offload_act_setup,
 	.size		=	sizeof(struct tcf_gate),
 };
-- 
2.17.1