netdev - Re: [PATCH net-next RFC 3/7] devlink: Add port param set command

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Message-ID: <20181205121334.GD2318@nanopsycho>
Date:   Wed, 5 Dec 2018 13:13:34 +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 3/7] devlink: Add port param set command

Wed, Dec 05, 2018 at 06:56:56AM CET, vasundhara-v.volam@...adcom.com wrote:
>Add port param set command to set the value for a parameter.
>Value can be set to any of the supported configuration modes.
>
>Cc: Jiri Pirko <jiri@...lanox.com>
>Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
>---
> include/uapi/linux/devlink.h |  1 +
> net/core/devlink.c           | 41 ++++++++++++++++++++++++++++++++++-------
> 2 files changed, 35 insertions(+), 7 deletions(-)
>
>diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
>index f96e052..8f3c5dd 100644
>--- a/include/uapi/linux/devlink.h
>+++ b/include/uapi/linux/devlink.h
>@@ -84,6 +84,7 @@ enum devlink_command {
> 	DEVLINK_CMD_PARAM_DEL,
> 
> 	DEVLINK_CMD_PORT_PARAM_GET,	/* can dump */
>+	DEVLINK_CMD_PORT_PARAM_SET,

Same note as for the previous patch.

> 
> 	DEVLINK_CMD_REGION_GET,
> 	DEVLINK_CMD_REGION_SET,
>diff --git a/net/core/devlink.c b/net/core/devlink.c
>index 8653fb5..10e1c45 100644
>--- a/net/core/devlink.c
>+++ b/net/core/devlink.c
>@@ -3096,19 +3096,20 @@ static int devlink_nl_cmd_param_get_doit(struct sk_buff *skb,
> 	return genlmsg_reply(msg, info);
> }
> 
>-static int devlink_nl_cmd_param_set_doit(struct sk_buff *skb,
>-					 struct genl_info *info)
>+static int __devlink_nl_cmd_param_set_doit(struct devlink *devlink,
>+					   struct list_head *param_list,
>+					   struct genl_info *info,
>+					   enum devlink_command cmd)
> {
>-	struct devlink *devlink = info->user_ptr[0];
>+	struct devlink_param_item *param_item;
> 	enum devlink_param_type param_type;
> 	struct devlink_param_gset_ctx ctx;
>-	enum devlink_param_cmode cmode;
>-	struct devlink_param_item *param_item;
> 	const struct devlink_param *param;
> 	union devlink_param_value value;
>+	enum devlink_param_cmode cmode;

Don't move the things around for no good reason. In case you want to
make our reverse-Christmas-tree obsession satisfied, do it in
a separate patch :)

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