netdev - [PATCH v1 net-next 02/12] rtnetlink: Define RTNL_FLAG_DOIT

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Message-ID: <20241021183239.79741-3-kuniyu@amazon.com>
Date: Mon, 21 Oct 2024 11:32:29 -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>, David Ahern <dsahern@...nel.org>
CC: Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima
	<kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v1 net-next 02/12] rtnetlink: Define RTNL_FLAG_DOIT_PERNET for per-netns RTNL doit().

We will push RTNL down to each doit() as rtnl_net_lock().

We can use RTNL_FLAG_DOIT_UNLOCKED to call doit() without RTNL, but doit()
will still hold RTNL.

Let's define RTNL_FLAG_DOIT_PERNET as an alias of RTNL_FLAG_DOIT_UNLOCKED.

Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
Reviewed-by: Eric Dumazet <edumazet@...gle.com>
---
 include/net/rtnetlink.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index bb49c5708ce7..3fa9da93364b 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -11,6 +11,7 @@ typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
 
 enum rtnl_link_flags {
 	RTNL_FLAG_DOIT_UNLOCKED		= BIT(0),
+#define RTNL_FLAG_DOIT_PERNET		RTNL_FLAG_DOIT_UNLOCKED
 	RTNL_FLAG_BULK_DEL_SUPPORTED	= BIT(1),
 	RTNL_FLAG_DUMP_UNLOCKED		= BIT(2),
 	RTNL_FLAG_DUMP_SPLIT_NLM_DONE	= BIT(3),	/* legacy behavior */
-- 
2.39.5 (Apple Git-154)