Currently when adding devlink port it is prohibited to let a driver name an interface on its own. In some scenarios it would not be preferable to provide such limitation, eg some compatibility purposes.
Add flag skip_phys_port_name_get to devlink_port_attrs struct which indicates if devlink should not alter name of interface. Suggested-by: Jiri Pirko <[email protected]> Signed-off-by: Jedrzej Jagielski <[email protected]> --- v2: add skip_phys_port_name_get flag to skip changing if name --- include/net/devlink.h | 7 ++++++- net/devlink/port.c | 3 +++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/net/devlink.h b/include/net/devlink.h index 0091f23a40f7..414ae25de897 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -78,6 +78,7 @@ struct devlink_port_pci_sf_attrs { * @flavour: flavour of the port * @split: indicates if this is split port * @splittable: indicates if the port can be split. + * @skip_phys_port_name_get: if set devlink doesn't alter interface name * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL * @phys: physical port attributes @@ -87,7 +88,11 @@ struct devlink_port_pci_sf_attrs { */ struct devlink_port_attrs { u8 split:1, - splittable:1; + splittable:1, + skip_phys_port_name_get:1; /* This is for compatibility only, + * newly added driver/port instance + * should never set this. + */ u32 lanes; enum devlink_port_flavour flavour; struct netdev_phys_item_id switch_id; diff --git a/net/devlink/port.c b/net/devlink/port.c index 939081a0e615..bf52c8a57992 100644 --- a/net/devlink/port.c +++ b/net/devlink/port.c @@ -1522,6 +1522,9 @@ static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port, if (!devlink_port->attrs_set) return -EOPNOTSUPP; + if (devlink_port->attrs.skip_phys_port_name_get) + return 0; + switch (attrs->flavour) { case DEVLINK_PORT_FLAVOUR_PHYSICAL: if (devlink_port->linecard) -- 2.31.1
