From 4754affe0b57e55fbd17c0986c89b548d093d5c4 Mon Sep 17 00:00:00 2001
From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Fri, 28 Feb 2025 11:20:57 +0100
Subject: net: advertise netns_immutable property via netlink

Since commit 05c1280a2bcf ("netdev_features: convert NETIF_F_NETNS_LOCAL to
dev->netns_local"), there is no way to see if the netns_immutable property
s set on a device. Let's add a netlink attribute to advertise it.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
 include/uapi/linux/if_link.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/uapi/linux')

diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 3b586fb0bc4c..318386cc5b0d 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -378,6 +378,7 @@ enum {
 	IFLA_GRO_IPV4_MAX_SIZE,
 	IFLA_DPLL_PIN,
 	IFLA_MAX_PACING_OFFLOAD_HORIZON,
+	IFLA_NETNS_IMMUTABLE,
 	__IFLA_MAX
 };
 
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