[PATCH net-next V4 5/6] devlink: Add API to apply eswitch mode boot default
From: Mark Bloch <mbloch@nvidia.com>
Date: 2026-06-29 18:22:02
Also in:
linux-doc, linux-rdma
Subsystem:
devlink, networking [general], the rest · Maintainers:
Jiri Pirko, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add devl_apply_default_esw_mode() for drivers that can apply the devlink_eswitch_mode= boot default once their device is ready instead of waiting for the asynchronous registration work. Signed-off-by: Mark Bloch <mbloch@nvidia.com> --- include/net/devlink.h | 1 + net/devlink/core.c | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+)
diff --git a/include/net/devlink.h b/include/net/devlink.h
index dd546dbd57cf..b71d282c6d52 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h@@ -1652,6 +1652,7 @@ static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, int devl_register(struct devlink *devlink); void devl_unregister(struct devlink *devlink); +void devl_apply_default_esw_mode(struct devlink *devlink); void devlink_register(struct devlink *devlink); void devlink_unregister(struct devlink *devlink); void devlink_free(struct devlink *devlink);
diff --git a/net/devlink/core.c b/net/devlink/core.c
index 998e4ffd5dce..d8f273e1732c 100644
--- a/net/devlink/core.c
+++ b/net/devlink/core.c@@ -299,6 +299,28 @@ void devlink_default_esw_mode_apply_disable(struct devlink *devlink) devlink->default_esw_mode_apply_pending = false; } +/** + * devl_apply_default_esw_mode - Apply devlink eswitch mode boot default + * @devlink: devlink + * + * Apply a matching devlink_eswitch_mode= boot default immediately. Drivers may + * use this helper when the device is ready for an eswitch mode change and the + * caller already holds the devlink instance lock. + * + * Any pending asynchronous default apply is cleared before applying the + * default, so work queued by devl_register() will not apply it again. + * + * Context: Caller must hold the devlink instance lock. + */ +void devl_apply_default_esw_mode(struct devlink *devlink) +{ + devl_assert_locked(devlink); + + devlink->default_esw_mode_apply_pending = false; + devlink_default_esw_mode_apply(devlink); +} +EXPORT_SYMBOL_GPL(devl_apply_default_esw_mode); + static void devlink_default_esw_mode_apply_cancel(struct devlink *devlink) { if (cancel_delayed_work_sync(&devlink->default_esw_mode_apply_dw))
--
2.43.0