netdev - Re: [PATCH iproute2-net 3/3] devlink: Add reload stats to dev show

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Date:   Sun, 29 Nov 2020 14:22:59 -0700
From:   David Ahern <dsahern@...il.com>
To:     Moshe Shemesh <moshe@...lanox.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Jakub Kicinski <kuba@...nel.org>, Jiri Pirko <jiri@...dia.com>,
        netdev@...r.kernel.org
Subject: Re: [PATCH iproute2-net 3/3] devlink: Add reload stats to dev show

On 11/26/20 4:14 AM, Moshe Shemesh wrote:
> @@ -2975,17 +2996,93 @@ static int cmd_dev_param(struct dl *dl)
>  	return -ENOENT;
>  }
>  
> -static void pr_out_dev(struct dl *dl, struct nlattr **tb)
> +static void pr_out_action_stats(struct dl *dl, struct nlattr *action_stats)
> +{
> +	struct nlattr *tb_stats_entry[DEVLINK_ATTR_MAX + 1] = {};
> +	struct nlattr *reload_stats_entry;
> +	enum devlink_reload_limit limit;
> +	uint32_t value;
> +	int err;
> +
> +	mnl_attr_for_each_nested(reload_stats_entry, action_stats) {
> +		err = mnl_attr_parse_nested(reload_stats_entry, attr_cb, tb_stats_entry);

wrap lines at 80 columns unless it is a print statement.

> +		if (err != MNL_CB_OK)
> +			return;
> +		if (!tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_LIMIT] ||
> +		    !tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_VALUE])
> +			return;
> +
> +		check_indent_newline(dl);
> +		limit = mnl_attr_get_u8(tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_LIMIT]);
> +		value = mnl_attr_get_u32(tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_VALUE]);

Use temp variables for the attributes to make the code readable.

> +		print_uint_name_value(reload_limit_name(limit), value);
> +	}
> +}
> +

that applies to all of the patches.