diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2026-03-12 11:03:55 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-03-14 13:08:46 -0700 |
| commit | 68deca0f0f4bba8c5278340c7c142500171d5f9b (patch) | |
| tree | 9bfd61247c12a33285748a81db60cea65da621dd /net/devlink | |
| parent | 9d9d7b4b153bc44e5d3226f1d0b445fb70320da9 (diff) | |
devlink: expose devlink instance index over netlink
Each devlink instance has an internally assigned index used for xarray
storage. Expose it as a new DEVLINK_ATTR_INDEX uint attribute alongside
the existing bus_name and dev_name handle.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260312100407.551173-2-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/devlink')
| -rw-r--r-- | net/devlink/devl_internal.h | 2 | ||||
| -rw-r--r-- | net/devlink/port.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h index 1377864383bc..31fa98af418e 100644 --- a/net/devlink/devl_internal.h +++ b/net/devlink/devl_internal.h @@ -178,6 +178,8 @@ devlink_nl_put_handle(struct sk_buff *msg, struct devlink *devlink) return -EMSGSIZE; if (nla_put_string(msg, DEVLINK_ATTR_DEV_NAME, dev_name(devlink->dev))) return -EMSGSIZE; + if (nla_put_uint(msg, DEVLINK_ATTR_INDEX, devlink->index)) + return -EMSGSIZE; return 0; } diff --git a/net/devlink/port.c b/net/devlink/port.c index 93d8a25bb920..1ff609571ea4 100644 --- a/net/devlink/port.c +++ b/net/devlink/port.c @@ -222,6 +222,7 @@ size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) return nla_total_size(strlen(devlink->dev->bus->name) + 1) /* DEVLINK_ATTR_BUS_NAME */ + nla_total_size(strlen(dev_name(devlink->dev)) + 1) /* DEVLINK_ATTR_DEV_NAME */ + + nla_total_size(8) /* DEVLINK_ATTR_INDEX */ + nla_total_size(4); /* DEVLINK_ATTR_PORT_INDEX */ } |