netdev - Re: [PATCH net-next RFC 6/7] devlink: Add a boolean generic port parameter

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Message-ID: <20181205130414.GG2318@nanopsycho>
Date:   Wed, 5 Dec 2018 14:04:14 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vasundhara Volam <vasundhara-v.volam@...adcom.com>
Cc:     davem@...emloft.net, michael.chan@...adcom.com, jiri@...lanox.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next RFC 6/7] devlink: Add a boolean generic port
 parameter

Wed, Dec 05, 2018 at 06:56:59AM CET, vasundhara-v.volam@...adcom.com wrote:
>wake-on-lan - Enables Wake on Lan for this port when magic packet
>is received with this port's MAC address using ACPI pattern.
>If enabled, the controller asserts a wake pin upon reception of
>WoL packet.  ACPI (Advanced Configuration and Power Interface)
>is an industry specification for the efficient handling of power
>consumption in desktop and mobile computers.
>
>Cc: Jiri Pirko <jiri@...lanox.com>
>Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
>---
> include/net/devlink.h | 17 +++++++++++++++++
> net/core/devlink.c    |  8 +++++++-
> 2 files changed, 24 insertions(+), 1 deletion(-)
>
>diff --git a/include/net/devlink.h b/include/net/devlink.h
>index abb5b3a..7409076 100644
>--- a/include/net/devlink.h
>+++ b/include/net/devlink.h
>@@ -421,12 +421,29 @@ enum devlink_param_generic_id {
> }
> 
> enum devlink_port_param_generic_id {
>+	DEVLINK_PORT_PARAM_GENERIC_ID_WOL,
>+
> 	/* add new param generic ids above here */
> 	__DEVLINK_PORT_PARAM_GENERIC_ID_MAX,
> 	DEVLINK_PORT_PARAM_GENERIC_ID_MAX =
> 	       __DEVLINK_PORT_PARAM_GENERIC_ID_MAX - 1,
> };
> 
>+#define DEVLINK_PORT_PARAM_GENERIC_WOL_NAME "wake-on-lan"
>+#define DEVLINK_PORT_PARAM_GENERIC_WOL_TYPE DEVLINK_PARAM_TYPE_BOOL
>+
>+#define DEVLINK_PORT_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
>+{									\
>+	.id = DEVLINK_PORT_PARAM_GENERIC_ID_##_id,			\
>+	.name = DEVLINK_PORT_PARAM_GENERIC_##_id##_NAME,		\
>+	.type = DEVLINK_PORT_PARAM_GENERIC_##_id##_TYPE,		\
>+	.generic = true,						\
>+	.supported_cmodes = _cmodes,					\
>+	.get = _get,							\
>+	.set = _set,							\
>+	.validate = _validate,						\
>+}

Just use DEVLINK_PARAM_GENERIC


>+
> struct devlink_region;
> 
> typedef void devlink_snapshot_data_dest_t(const void *data);
>diff --git a/net/core/devlink.c b/net/core/devlink.c
>index 7598da1..24c2b9e 100644
>--- a/net/core/devlink.c
>+++ b/net/core/devlink.c
>@@ -3210,7 +3210,13 @@ static void devlink_param_unregister_one(struct devlink *devlink,
> 	kfree(param_item);
> }
> 
>-static const struct devlink_param devlink_port_param_generic[] = {};
>+static const struct devlink_param devlink_port_param_generic[] = {
>+	{
>+		.id = DEVLINK_PORT_PARAM_GENERIC_ID_WOL,
>+		.name = DEVLINK_PORT_PARAM_GENERIC_WOL_NAME,
>+		.type = DEVLINK_PORT_PARAM_GENERIC_WOL_TYPE,
>+	},
>+};
> 
> static int devlink_port_param_generic_verify(const struct devlink_param *param)
> {
>-- 
>1.8.3.1
>