[PATCH net-next V5 5/6] devlink: Add API to apply eswitch mode boot default
From: Mark Bloch <mbloch@nvidia.com>
Date: 2026-07-07 17:46:19
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/default.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+)
diff --git a/include/net/devlink.h b/include/net/devlink.h
index ffe1ad5fb70b..90da03c0112c 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h@@ -1661,6 +1661,7 @@ 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/default.c b/net/devlink/default.c
index 896146d1b8e7..5a37d76731e1 100644
--- a/net/devlink/default.c
+++ b/net/devlink/default.c@@ -2,6 +2,7 @@ /* Copyright (c) 2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ #include <linux/init.h> +#include <linux/export.h> #include <linux/list.h> #include <linux/slab.h> #include <linux/string.h>
@@ -279,6 +280,24 @@ void devlink_default_esw_mode_apply_pending_clear(struct devlink *devlink) devlink->default_esw_mode_apply_pending = false; } +/** + * devl_apply_default_esw_mode - Apply devlink eswitch mode boot default + * @devlink: devlink + * + * Apply the devlink eswitch mode selected by the devlink_eswitch_mode= + * kernel command line parameter, if any matches @devlink. + * + * The 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_locked(devlink); +} +EXPORT_SYMBOL_GPL(devl_apply_default_esw_mode); + void devlink_default_esw_mode_instance_cleanup(struct devlink *devlink) { if (cancel_work_sync(&devlink->default_esw_mode_apply_work))
--
2.43.0