linux-kernel - [PATCH v5 1/4] net/sched: Add helper macros with module names

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Date: Thu,  1 Feb 2024 14:09:40 +0100
From: Michal Koutný <mkoutny@...e.com>
To: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	bpf@...r.kernel.org,
	cake@...ts.bufferbloat.net
Cc: "David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...gle.com>,
	Hao Luo <haoluo@...gle.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Toke Høiland-Jørgensen <toke@...e.dk>,
	Vinicius Costa Gomes <vinicius.gomes@...el.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Simon Horman <horms@...nel.org>,
	Pedro Tammela <pctammela@...atatu.com>
Subject: [PATCH v5 1/4] net/sched: Add helper macros with module names

The macros are preparation for adding module aliases en mass in a
separate commit.
Although it would be tempting to create aliases like cls-foo for name
cls_foo, this could not be used because modprobe utilities treat '-' and
'_' interchangeably.
In the end, the naming follows pattern of proto modules in linux/net.h.

Signed-off-by: Michal Koutný <mkoutny@...e.com>
---
 include/net/act_api.h   | 2 ++
 include/net/pkt_cls.h   | 2 ++
 include/net/pkt_sched.h | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/include/net/act_api.h b/include/net/act_api.h
index e1e5e72b901e..77ee0c657e2c 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -201,6 +201,8 @@ int tcf_idr_release(struct tc_action *a, bool bind);
 int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops);
 int tcf_unregister_action(struct tc_action_ops *a,
 			  struct pernet_operations *ops);
+#define NET_ACT_ALIAS_PREFIX "net-act-"
+#define MODULE_ALIAS_NET_ACT(kind)	MODULE_ALIAS(NET_ACT_ALIAS_PREFIX kind)
 int tcf_action_destroy(struct tc_action *actions[], int bind);
 int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
 		    int nr_actions, struct tcf_result *res);
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index f308e8268651..a4ee43f493bb 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -24,6 +24,8 @@ struct tcf_walker {
 
 int register_tcf_proto_ops(struct tcf_proto_ops *ops);
 void unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
+#define NET_CLS_ALIAS_PREFIX "net-cls-"
+#define MODULE_ALIAS_NET_CLS(kind)	MODULE_ALIAS(NET_CLS_ALIAS_PREFIX kind)
 
 struct tcf_block_ext_info {
 	enum flow_block_binder_type binder_type;
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 1e200d9a066d..d7b7b6cd4aa1 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -100,6 +100,8 @@ struct Qdisc *fifo_create_dflt(struct Qdisc *sch, struct Qdisc_ops *ops,
 
 int register_qdisc(struct Qdisc_ops *qops);
 void unregister_qdisc(struct Qdisc_ops *qops);
+#define NET_SCH_ALIAS_PREFIX "net-sch-"
+#define MODULE_ALIAS_NET_SCH(id)	MODULE_ALIAS(NET_SCH_ALIAS_PREFIX id)
 void qdisc_get_default(char *id, size_t len);
 int qdisc_set_default(const char *id);
 
-- 
2.43.0