netdev - Re: [PATCH net-next v2 05/15] idpf: add create vport and netdev configuration

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Message-ID: <6bdee083-ded5-dac4-5ffd-6bd6896e9f98@intel.com>
Date: Wed, 14 Jun 2023 17:12:02 -0700
From: "Linga, Pavan Kumar" <pavan.kumar.linga@...el.com>
To: Stephen Hemminger <stephen@...workplumber.org>, Tony Nguyen
	<anthony.l.nguyen@...el.com>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <netdev@...r.kernel.org>, <emil.s.tantilov@...el.com>,
	<jesse.brandeburg@...el.com>, <sridhar.samudrala@...el.com>,
	<shiraz.saleem@...el.com>, <sindhu.devale@...el.com>, <willemb@...gle.com>,
	<decot@...gle.com>, <andrew@...n.ch>, <leon@...nel.org>, <mst@...hat.com>,
	<simon.horman@...igine.com>, <shannon.nelson@....com>, Alan Brady
	<alan.brady@...el.com>, Joshua Hay <joshua.a.hay@...el.com>, Madhu Chittim
	<madhu.chittim@...el.com>, Phani Burra <phani.r.burra@...el.com>, "Shailendra
 Bhatnagar" <shailendra.bhatnagar@...el.com>
Subject: Re: [PATCH net-next v2 05/15] idpf: add create vport and netdev
 configuration



On 6/14/2023 11:21 AM, Stephen Hemminger wrote:
> On Wed, 14 Jun 2023 10:14:18 -0700
> Tony Nguyen <anthony.l.nguyen@...el.com> wrote:
> 
>> +	/* TX */
>> +	int num_txq;
>> +	int num_complq;
>> +	/* It makes more sense for descriptor count to be part of only idpf
>> +	 * queue structure. But when user changes the count via ethtool, driver
>> +	 * has to store that value somewhere other than queue structure as the
>> +	 * queues will be freed and allocated again.
>> +	 */
>> +	int txq_desc_count;
>> +	int complq_desc_count;
>> +	int num_txq_grp;
>> +	u32 txq_model;
>> +
>> +	/* RX */
>> +	int num_rxq;
>> +	int num_bufq;
>> +	int rxq_desc_count;
> 
> If value can never be negative, you can avoid future errors by using
> an unsigned type. Ideally to save space use u32 or u16.

Thanks for the feedback. Will convert them to u16 or u32 as required.

Regards,
Pavan