netdev - [PATCH net-next RFC 06/20] net/sched: act_api: export generic tc action searcher

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Message-Id: <20230124170510.316970-6-jhs@mojatatu.com>
Date:   Tue, 24 Jan 2023 12:04:56 -0500
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     netdev@...r.kernel.org
Cc:     kernel@...atatu.com, deb.chatterjee@...el.com,
        anjali.singhai@...el.com, namrata.limaye@...el.com,
        khalidm@...dia.com, tom@...anda.io, pratyush@...anda.io,
        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
Subject: [PATCH net-next RFC 06/20] 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 083557e51..7328183b4 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 c5dca2085..c730078bb 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -690,9 +690,8 @@ 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);
 
@@ -701,6 +700,7 @@ 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)
 {
-- 
2.34.1