diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2026-03-12 11:04:04 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-03-14 13:08:49 -0700 |
| commit | a4c6d53e5fd61829f707b7a723dd2937ed67c803 (patch) | |
| tree | cb8800f34361550c64f4694ff31f54c9fb66cffd /net/devlink/devl_internal.h | |
| parent | 104733e1303efcec97c9a581adabbc03c6679006 (diff) | |
devlink: allow devlink instance allocation without a backing device
Allow devlink_alloc_ns() to be called with dev=NULL to support
device-less devlink instances. When dev is NULL, the instance is
identified over netlink using "devlink_index" as bus_name and
the decimal index value as dev_name.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260312100407.551173-11-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/devlink/devl_internal.h')
| -rw-r--r-- | net/devlink/devl_internal.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h index cb2ffef1ac2d..7dfb7cdd2d23 100644 --- a/net/devlink/devl_internal.h +++ b/net/devlink/devl_internal.h @@ -49,6 +49,7 @@ struct devlink { struct xarray snapshot_ids; struct devlink_dev_stats stats; struct device *dev; + const char *dev_name_index; const struct device_driver *dev_driver; possible_net_t _net; /* Serializes access to devlink instance specific objects such as @@ -119,7 +120,7 @@ static inline bool devl_is_registered(struct devlink *devlink) static inline void devl_dev_lock(struct devlink *devlink, bool dev_lock) { - if (dev_lock) + if (dev_lock && devlink->dev) device_lock(devlink->dev); devl_lock(devlink); } @@ -127,7 +128,7 @@ static inline void devl_dev_lock(struct devlink *devlink, bool dev_lock) static inline void devl_dev_unlock(struct devlink *devlink, bool dev_lock) { devl_unlock(devlink); - if (dev_lock) + if (dev_lock && devlink->dev) device_unlock(devlink->dev); } |