linux-kernel - Re: [PATCH net-next 02/16] devlink: Add reload action option to devlink reload command

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Message-ID: <1992fb83-5b77-41c3-1498-626c6aa5333b@nvidia.com>
Date:   Sun, 4 Oct 2020 09:45:44 +0300
From:   Moshe Shemesh <moshe@...dia.com>
To:     Jiri Pirko <jiri@...nulli.us>, Moshe Shemesh <moshe@...lanox.com>
CC:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Jiri Pirko <jiri@...dia.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 02/16] devlink: Add reload action option to
 devlink reload command


On 10/3/2020 10:52 AM, Jiri Pirko wrote:
> Thu, Oct 01, 2020 at 03:59:05PM CEST, moshe@...lanox.com wrote:
>
> [...]
>
>> +static int
>> +devlink_nl_reload_actions_performed_snd(struct devlink *devlink,
>> +					unsigned long actions_performed,
>> +					enum devlink_command cmd, struct genl_info *info)
>> +{
>> +	struct sk_buff *msg;
>> +	void *hdr;
>> +
>> +	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
>> +	if (!msg)
>> +		return -ENOMEM;
>> +
>> +	hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, &devlink_nl_family, 0, cmd);
>> +	if (!hdr)
>> +		goto free_msg;
>> +
>> +	if (devlink_nl_put_handle(msg, devlink))
>> +		goto nla_put_failure;
>> +
>> +	if (nla_put_u64_64bit(msg, DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED, actions_performed,
> This should be NLA_BITFIELD, I believe. We use it for other bitfields
> too.
>

OK, I see it now, NLA_BITFIELD32.

>> +			      DEVLINK_ATTR_PAD))
> [...]