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net: pse-pd: Introduce PSE types enumeration

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Introduce an enumeration to define PSE types (C33 or PoDL),
utilizing a bitfield for potential future support of both types.
Include 'pse_get_types' helper for external access to PSE type info.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://lore.kernel.org/r/20240417-feature_poe-v9-2-242293fd1900@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kory Maincent (Dent Project) 2024-04-17 16:39:50 +02:00 committed by Jakub Kicinski
parent b58be8db63
commit 47e0dd53c5
4 changed files with 40 additions and 0 deletions
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12
drivers/net/pse-pd/pse_core.c
View file

@ -312,3 +312,15 @@ int pse_ethtool_set_config(struct pse_control *psec,
return err;
}
EXPORT_SYMBOL_GPL(pse_ethtool_set_config);
bool pse_has_podl(struct pse_control *psec)
{
return psec->pcdev->types & ETHTOOL_PSE_PODL;
}
EXPORT_SYMBOL_GPL(pse_has_podl);
bool pse_has_c33(struct pse_control *psec)
{
return psec->pcdev->types & ETHTOOL_PSE_C33;
}
EXPORT_SYMBOL_GPL(pse_has_c33);

1
drivers/net/pse-pd/pse_regulator.c
View file

@ -116,6 +116,7 @@ pse_reg_probe(struct platform_device *pdev)
priv->pcdev.owner = THIS_MODULE;
priv->pcdev.ops = &pse_reg_ops;
priv->pcdev.dev = dev;
priv->pcdev.types = ETHTOOL_PSE_PODL;
ret = devm_pse_controller_register(dev, &priv->pcdev);
if (ret) {
dev_err(dev, "failed to register PSE controller (%pe)\n",

15
include/linux/pse-pd/pse.h
View file

@ -77,6 +77,7 @@ struct pse_control;
* device tree to id as given to the PSE control ops
* @nr_lines: number of PSE controls in this controller device
* @lock: Mutex for serialization access to the PSE controller
* @types: types of the PSE controller
*/
struct pse_controller_dev {
const struct pse_controller_ops *ops;
@ -89,6 +90,7 @@ struct pse_controller_dev {
const struct of_phandle_args *pse_spec);
unsigned int nr_lines;
struct mutex lock;
enum ethtool_pse_types types;
};
#if IS_ENABLED(CONFIG_PSE_CONTROLLER)
@ -108,6 +110,9 @@ int pse_ethtool_set_config(struct pse_control *psec,
struct netlink_ext_ack *extack,
const struct pse_control_config *config);
bool pse_has_podl(struct pse_control *psec);
bool pse_has_c33(struct pse_control *psec);
#else
static inline struct pse_control *of_pse_control_get(struct device_node *node)
@ -133,6 +138,16 @@ static inline int pse_ethtool_set_config(struct pse_control *psec,
return -ENOTSUPP;
}
static inline bool pse_has_podl(struct pse_control *psec)
{
return false;
}
static inline bool pse_has_c33(struct pse_control *psec)
{
return false;
}
#endif
#endif

12
include/uapi/linux/ethtool.h
View file

@ -752,6 +752,18 @@ enum ethtool_module_power_mode {
ETHTOOL_MODULE_POWER_MODE_HIGH,
};
/**
* enum ethtool_pse_types - Types of PSE controller.
* @ETHTOOL_PSE_UNKNOWN: Type of PSE controller is unknown
* @ETHTOOL_PSE_PODL: PSE controller which support PoDL
* @ETHTOOL_PSE_C33: PSE controller which support Clause 33 (PoE)
*/
enum ethtool_pse_types {
ETHTOOL_PSE_UNKNOWN = 1 << 0,
ETHTOOL_PSE_PODL = 1 << 1,
ETHTOOL_PSE_C33 = 1 << 2,
};
/**
* enum ethtool_c33_pse_admin_state - operational state of the PoDL PSE
* functions. IEEE 802.3-2022 30.9.1.1.2 aPSEAdminState