net: advertise netns_immutable property via netlink

Since commit 05c1280a2b ("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>

This commit is contained in:

Nicolas Dichtel

2025-03-04 12:44:48 +01:00

committed by

Paolo Abeni

parent 0c493da863

commit 4754affe0b

3 changed files with 7 additions and 0 deletions

									
										include/uapi/linux/if_link.h
									
		+1
		
												View File
												
				@@ -378,6 +378,7 @@ enum {

					IFLA_GRO_IPV4_MAX_SIZE,

					IFLA_DPLL_PIN,

					IFLA_MAX_PACING_OFFLOAD_HORIZON,

					IFLA_NETNS_IMMUTABLE,

					__IFLA_MAX

				};