netdev - [PATCH RFC v2 net-next 06/28] net/sched: act_api: export generic tc action searcher

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Date: Wed, 17 May 2023 07:02:10 -0400
From: Jamal Hadi Salim <jhs@...atatu.com>
To: netdev@...r.kernel.org
Cc: deb.chatterjee@...el.com,
	anjali.singhai@...el.com,
	namrata.limaye@...el.com,
	tom@...anda.io,
	p4tc-discussions@...devconf.info,
	mleitner@...hat.com,
	Mahesh.Shirshyad@....com,
	Vipin.Jain@....com,
	tomasz.osinski@...el.com,
	jiri@...nulli.us,
	xiyou.wangcong@...il.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	vladbu@...dia.com,
	simon.horman@...igine.com,
	khalidm@...dia.com,
	toke@...hat.com
Subject: [PATCH RFC v2 net-next 06/28] net/sched: act_api: export generic tc action searcher

In P4TC we need to query the tc actions directly in a net namespace.
Therefore export __tcf_idr_search().

Signed-off-by: Victor Nogueira <victor@...atatu.com>
Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>
---
 include/net/act_api.h | 2 ++
 net/sched/act_api.c   | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/net/act_api.h b/include/net/act_api.h
index 34b9a9ff05ee..cc392b994844 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -190,6 +190,8 @@ int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
 		       const struct tc_action_ops *ops,
 		       struct netlink_ext_ack *extack);
 int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
+int __tcf_idr_search(struct net *net, const struct tc_action_ops *ops,
+		     struct tc_action **a, u32 index);
 int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
 		   struct tc_action **a, const struct tc_action_ops *ops,
 		   int bind, bool cpustats, u32 flags);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 101c6debf356..ba0315e686bf 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -722,9 +722,8 @@ static int __tcf_generic_walker(struct net *net, struct sk_buff *skb,
 	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
 }
 
-static int __tcf_idr_search(struct net *net,
-			    const struct tc_action_ops *ops,
-			    struct tc_action **a, u32 index)
+int __tcf_idr_search(struct net *net, const struct tc_action_ops *ops,
+		     struct tc_action **a, u32 index)
 {
 	struct tc_action_net *tn = net_generic(net, ops->net_id);
 
@@ -733,6 +732,7 @@ static int __tcf_idr_search(struct net *net,
 
 	return tcf_idr_search(tn, a, index);
 }
+EXPORT_SYMBOL(__tcf_idr_search);
 
 static int tcf_idr_delete_index(struct tcf_idrinfo *idrinfo, u32 index)
 {
-- 
2.25.1