diff options
| author | Jedrzej Jagielski <jedrzej.jagielski@intel.com> | 2025-07-04 13:17:47 +0200 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2025-08-12 13:23:39 -0700 |
| commit | c5ec7f49b480db0dfc83f395755b1c2a7c979920 (patch) | |
| tree | 5c0c254ff666dddf9a54750af372a3d4222eb602 /net/devlink/port.c | |
| parent | c04fdca8a98af5fc4eeb6569917f159cfa56b923 (diff) | |
devlink: let driver opt out of automatic phys_port_name generation
Currently when adding devlink port, phys_port_name is automatically
generated within devlink port initialization flow. As a result adding
devlink port support to driver may result in forced changes of interface
names, which breaks already existing network configs.
This is an expected behavior but in some scenarios it would not be
preferable to provide such limitation for legacy driver not being able to
keep 'pre-devlink' interface name.
Add flag no_phys_port_name to devlink_port_attrs struct which indicates
if devlink should not alter name of interface.
Suggested-by: Jiri Pirko <jiri@resnulli.us>
Link: https://lore.kernel.org/all/nbwrfnjhvrcduqzjl4a2jafnvvud6qsbxlvxaxilnryglf4j7r@btuqrimnfuly/
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'net/devlink/port.c')
| -rw-r--r-- | net/devlink/port.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/devlink/port.c b/net/devlink/port.c index 939081a0e615..cb8d4df61619 100644 --- a/net/devlink/port.c +++ b/net/devlink/port.c @@ -1519,7 +1519,7 @@ static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port, struct devlink_port_attrs *attrs = &devlink_port->attrs; int n = 0; - if (!devlink_port->attrs_set) + if (!devlink_port->attrs_set || devlink_port->attrs.no_phys_port_name) return -EOPNOTSUPP; switch (attrs->flavour) { |