netdev - [PATCH net-next 06/22] net: sched: act_ctinfo: get rid of tcf_ctinfo_walker and tcf_ctinfo

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Message-ID: <20220902112446.29858-7-shaozhengchao@huawei.com>
Date:   Fri, 2 Sep 2022 19:24:30 +0800
From:   Zhengchao Shao <shaozhengchao@...wei.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <bpf@...r.kernel.org>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <jhs@...atatu.com>, <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <martin.lau@...ux.dev>
CC:     <daniel@...earbox.net>, <john.fastabend@...il.com>,
        <ast@...nel.org>, <andrii@...nel.org>, <song@...nel.org>,
        <yhs@...com>, <kpsingh@...nel.org>, <sdf@...gle.com>,
        <haoluo@...gle.com>, <jolsa@...nel.org>, <weiyongjun1@...wei.com>,
        <yuehaibing@...wei.com>, <shaozhengchao@...wei.com>
Subject: [PATCH net-next 06/22] net: sched: act_ctinfo: get rid of tcf_ctinfo_walker and tcf_ctinfo_search

Use __tcf_generic_walker() and __tcf_idr_search() helpers by saving
ctinfo_net_id when registering act_ctinfo_ops. And then remove the
walk and lookup hook functions in act_ctinfo.

Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
---
 net/sched/act_ctinfo.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c
index 0281e45987a4..b79c5a5177aa 100644
--- a/net/sched/act_ctinfo.c
+++ b/net/sched/act_ctinfo.c
@@ -342,23 +342,6 @@ static int tcf_ctinfo_dump(struct sk_buff *skb, struct tc_action *a,
 	return -1;
 }
 
-static int tcf_ctinfo_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, ctinfo_net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
-static int tcf_ctinfo_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, ctinfo_net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static void tcf_ctinfo_cleanup(struct tc_action *a)
 {
 	struct tcf_ctinfo *ci = to_ctinfo(a);
@@ -372,13 +355,12 @@ static void tcf_ctinfo_cleanup(struct tc_action *a)
 static struct tc_action_ops act_ctinfo_ops = {
 	.kind	= "ctinfo",
 	.id	= TCA_ID_CTINFO,
+	.net_id	= &ctinfo_net_id,
 	.owner	= THIS_MODULE,
 	.act	= tcf_ctinfo_act,
 	.dump	= tcf_ctinfo_dump,
 	.init	= tcf_ctinfo_init,
 	.cleanup= tcf_ctinfo_cleanup,
-	.walk	= tcf_ctinfo_walker,
-	.lookup	= tcf_ctinfo_search,
 	.size	= sizeof(struct tcf_ctinfo),
 };
 
-- 
2.17.1