devlink: add devlink_dev_driver_name() helper and use it in trace events

In preparation to dev-less devlinks, add devlink_dev_driver_name()
that returns the driver name stored in devlink struct, and use it in
all trace events.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260312100407.551173-9-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/devlink/core.c b/net/devlink/core.c
index fcb73d3e56aa..34eb06d88544 100644
--- a/net/devlink/core.c
+++ b/net/devlink/core.c
@@ -260,6 +260,12 @@ const char *devlink_dev_name(const struct devlink *devlink)
 }
 EXPORT_SYMBOL_GPL(devlink_dev_name);
 
+const char *devlink_dev_driver_name(const struct devlink *devlink)
+{
+	return devlink->dev_driver->name;
+}
+EXPORT_SYMBOL_GPL(devlink_dev_driver_name);
+
 struct net *devlink_net(const struct devlink *devlink)
 {
 	return read_pnet(&devlink->_net);