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@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index e0d9a8e..b260c0c 100644 (file)
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -12,6 +12,7 @@ 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 */