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net: devlink: allow to change namespaces during reload

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All devlink instances are created in init_net and stay there for a
lifetime. Allow user to be able to move devlink instances into
namespaces during devlink reload operation. That ensures proper
re-instantiation of driver objects, including netdevices.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-10-03 11:49:39 +02:00
committed by David S. Miller
parent 4f174bbcc9
commit 070c63f20f
6 changed files with 158 additions and 11 deletions
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4
include/uapi/linux/devlink.h
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@@ -421,6 +421,10 @@ enum devlink_attr {
DEVLINK_ATTR_RELOAD_FAILED, /* u8 0 or 1 */
DEVLINK_ATTR_NETNS_FD, /* u32 */
DEVLINK_ATTR_NETNS_PID, /* u32 */
DEVLINK_ATTR_NETNS_ID, /* u32 */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,