netdev - [PATCH net-next v3 RFC 7/8] devlink: Add a generic wake_on

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Message-Id: <1544782194-17694-8-git-send-email-vasundhara-v.volam@broadcom.com>
Date:   Fri, 14 Dec 2018 15:39:53 +0530
From:   Vasundhara Volam <vasundhara-v.volam@...adcom.com>
To:     davem@...emloft.net
Cc:     michael.chan@...adcom.com, jiri@...lanox.com,
        jakub.kicinski@...ronome.com, mkubecek@...e.cz,
        netdev@...r.kernel.org
Subject: [PATCH net-next v3 RFC 7/8] devlink: Add a generic wake_on_lan port parameter

wake_on_lan - Enables Wake on Lan for this port. If enabled,
the controller asserts a wake pin based on the WOL type.

Cc: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
---
 include/net/devlink.h | 8 ++++++++
 net/core/devlink.c    | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/include/net/devlink.h b/include/net/devlink.h
index db413d3..f2847f8 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -367,12 +367,17 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
 	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
 	DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
+	DEVLINK_PARAM_GENERIC_ID_WOL,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
 	DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
 };
 
+enum devlink_param_wol_types {
+	DEVLINK_PARAM_WAKE_MAGIC = (1 << 0),
+};
+
 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
 
@@ -397,6 +402,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
 
+#define DEVLINK_PARAM_GENERIC_WOL_NAME "wake_on_lan"
+#define DEVLINK_PARAM_GENERIC_WOL_TYPE DEVLINK_PARAM_TYPE_U8
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
diff --git a/net/core/devlink.c b/net/core/devlink.c
index f891b1c..9a48a91 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -2697,6 +2697,11 @@ static int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info)
 		.name = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME,
 		.type = DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_WOL,
+		.name = DEVLINK_PARAM_GENERIC_WOL_NAME,
+		.type = DEVLINK_PARAM_GENERIC_WOL_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)
-- 
1.8.3.1