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Message-ID: <20241011220550.46040-5-kuniyu@amazon.com>
Date: Fri, 11 Oct 2024 15:05:43 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>
CC: Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima
<kuni1840@...il.com>, <netdev@...r.kernel.org>, Jamal Hadi Salim
<jhs@...atatu.com>, Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko
<jiri@...nulli.us>
Subject: [PATCH v1 net-next 04/11] net: sched: Use rtnl_register_many().
We will remove rtnl_register() in favour of rtnl_register_many().
When it succeeds, rtnl_register_many() guarantees all rtnetlink types
in the passed array are supported, and there is no chance that a part
of message types is not supported.
Let's use rtnl_register_many() instead.
Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
Cc: Jamal Hadi Salim <jhs@...atatu.com>
Cc: Cong Wang <xiyou.wangcong@...il.com>
Cc: Jiri Pirko <jiri@...nulli.us>
---
net/sched/act_api.c | 12 +++++++-----
net/sched/cls_api.c | 24 +++++++++++++-----------
net/sched/sch_api.c | 18 ++++++++++--------
3 files changed, 30 insertions(+), 24 deletions(-)
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 2714c4ed928e..1caaeef90684 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -2243,13 +2243,15 @@ static int tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
return skb->len;
}
+static const struct rtnl_msg_handler tc_action_rtnl_msg_handlers[] = {
+ {NULL, PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action, 0},
+};
+
static int __init tc_action_init(void)
{
- rtnl_register(PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action,
- 0);
-
+ rtnl_register_many(tc_action_rtnl_msg_handlers);
return 0;
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 17d97bbe890f..2d9961e6b019 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -4055,6 +4055,18 @@ static struct pernet_operations tcf_net_ops = {
.size = sizeof(struct tcf_net),
};
+static const struct rtnl_msg_handler tc_filter_rtnl_msg_handlers[] = {
+ {NULL, PF_UNSPEC, RTM_NEWTFILTER, tc_new_tfilter, NULL,
+ RTNL_FLAG_DOIT_UNLOCKED},
+ {NULL, PF_UNSPEC, RTM_DELTFILTER, tc_del_tfilter, NULL,
+ RTNL_FLAG_DOIT_UNLOCKED},
+ {NULL, PF_UNSPEC, RTM_GETTFILTER, tc_get_tfilter, tc_dump_tfilter,
+ RTNL_FLAG_DOIT_UNLOCKED},
+ {NULL, PF_UNSPEC, RTM_NEWCHAIN, tc_ctl_chain, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_DELCHAIN, tc_ctl_chain, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_GETCHAIN, tc_ctl_chain, tc_dump_chain, 0},
+};
+
static int __init tc_filter_init(void)
{
int err;
@@ -4068,17 +4080,7 @@ static int __init tc_filter_init(void)
goto err_register_pernet_subsys;
xa_init_flags(&tcf_exts_miss_cookies_xa, XA_FLAGS_ALLOC1);
-
- rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_new_tfilter, NULL,
- RTNL_FLAG_DOIT_UNLOCKED);
- rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_del_tfilter, NULL,
- RTNL_FLAG_DOIT_UNLOCKED);
- rtnl_register(PF_UNSPEC, RTM_GETTFILTER, tc_get_tfilter,
- tc_dump_tfilter, RTNL_FLAG_DOIT_UNLOCKED);
- rtnl_register(PF_UNSPEC, RTM_NEWCHAIN, tc_ctl_chain, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_DELCHAIN, tc_ctl_chain, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_GETCHAIN, tc_ctl_chain,
- tc_dump_chain, 0);
+ rtnl_register_many(tc_filter_rtnl_msg_handlers);
return 0;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 2eefa4783879..e475f767bcfb 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2420,6 +2420,15 @@ static struct pernet_operations psched_net_ops = {
DEFINE_STATIC_KEY_FALSE(tc_skip_wrapper);
#endif
+static const struct rtnl_msg_handler psched_rtnl_msg_handlers[] = {
+ {NULL, PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_GETQDISC, tc_get_qdisc, tc_dump_qdisc, 0},
+ {NULL, PF_UNSPEC, RTM_NEWTCLASS, tc_ctl_tclass, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_DELTCLASS, tc_ctl_tclass, NULL, 0},
+ {NULL, PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass, 0},
+};
+
static int __init pktsched_init(void)
{
int err;
@@ -2438,14 +2447,7 @@ static int __init pktsched_init(void)
register_qdisc(&mq_qdisc_ops);
register_qdisc(&noqueue_qdisc_ops);
- rtnl_register(PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_GETQDISC, tc_get_qdisc, tc_dump_qdisc,
- 0);
- rtnl_register(PF_UNSPEC, RTM_NEWTCLASS, tc_ctl_tclass, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_DELTCLASS, tc_ctl_tclass, NULL, 0);
- rtnl_register(PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass,
- 0);
+ rtnl_register_many(psched_rtnl_msg_handlers);
tc_wrapper_init();
--
2.39.5 (Apple Git-154)
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