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Message-ID: <20240208102508.262907-2-edumazet@google.com>
Date: Thu, 8 Feb 2024 10:25:07 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: Jamal Hadi Salim <jhs@...atatu.com>, Cong Wang <xiyou.wangcong@...il.com>,
Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org, eric.dumazet@...il.com,
Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next 1/2] net/sched: act_api: uninline tc_action_net_init()
and tc_action_net_exit()
tc_action_net_init() and tc_action_net_exit() are slow path,
and quite big.
tcf_idrinfo_destroy() becomes static.
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
include/net/act_api.h | 33 ++-------------------------------
net/sched/act_api.c | 36 +++++++++++++++++++++++++++++++++---
2 files changed, 35 insertions(+), 34 deletions(-)
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 77ee0c657e2c78276ecb2efca7f4c3d28be511a2..8ec97644edf86d5d95960b74b9b57908ca19a198 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -146,39 +146,10 @@ struct tc_action_net {
const struct tc_action_ops *ops;
};
-static inline
int tc_action_net_init(struct net *net, struct tc_action_net *tn,
- const struct tc_action_ops *ops)
-{
- int err = 0;
-
- tn->idrinfo = kmalloc(sizeof(*tn->idrinfo), GFP_KERNEL);
- if (!tn->idrinfo)
- return -ENOMEM;
- tn->ops = ops;
- tn->idrinfo->net = net;
- mutex_init(&tn->idrinfo->lock);
- idr_init(&tn->idrinfo->action_idr);
- return err;
-}
-
-void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
- struct tcf_idrinfo *idrinfo);
-
-static inline void tc_action_net_exit(struct list_head *net_list,
- unsigned int id)
-{
- struct net *net;
-
- rtnl_lock();
- list_for_each_entry(net, net_list, exit_list) {
- struct tc_action_net *tn = net_generic(net, id);
+ const struct tc_action_ops *ops);
- tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
- kfree(tn->idrinfo);
- }
- rtnl_unlock();
-}
+void tc_action_net_exit(struct list_head *net_list, unsigned int id);
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct netlink_callback *cb, int type,
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 9ee622fb1160fe5de8df9a5fca0c9a412e40e31a..9492eae0ebe5844419e1631122871d19b443bc4e 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -886,8 +886,24 @@ int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index,
}
EXPORT_SYMBOL(tcf_idr_check_alloc);
-void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
- struct tcf_idrinfo *idrinfo)
+int tc_action_net_init(struct net *net, struct tc_action_net *tn,
+ const struct tc_action_ops *ops)
+{
+ int err = 0;
+
+ tn->idrinfo = kmalloc(sizeof(*tn->idrinfo), GFP_KERNEL);
+ if (!tn->idrinfo)
+ return -ENOMEM;
+ tn->ops = ops;
+ tn->idrinfo->net = net;
+ mutex_init(&tn->idrinfo->lock);
+ idr_init(&tn->idrinfo->action_idr);
+ return err;
+}
+EXPORT_SYMBOL(tc_action_net_init);
+
+static void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
+ struct tcf_idrinfo *idrinfo)
{
struct idr *idr = &idrinfo->action_idr;
struct tc_action *p;
@@ -904,7 +920,21 @@ void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
}
idr_destroy(&idrinfo->action_idr);
}
-EXPORT_SYMBOL(tcf_idrinfo_destroy);
+
+void tc_action_net_exit(struct list_head *net_list, unsigned int id)
+{
+ struct net *net;
+
+ rtnl_lock();
+ list_for_each_entry(net, net_list, exit_list) {
+ struct tc_action_net *tn = net_generic(net, id);
+
+ tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
+ kfree(tn->idrinfo);
+ }
+ rtnl_unlock();
+}
+EXPORT_SYMBOL(tc_action_net_exit);
static LIST_HEAD(act_base);
static DEFINE_RWLOCK(act_mod_lock);
--
2.43.0.594.gd9cf4e227d-goog
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