linux-kernel - Re: [PATCH net-next 1/5] net: mvpp2: use the same buffer pool for all ports

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Message-ID: <20180302170159.258bcdbc@windsurf.lan>
Date:   Fri, 2 Mar 2018 17:01:59 +0100
From:   Thomas Petazzoni <thomas.petazzoni@...tlin.com>
To:     Antoine Tenart <antoine.tenart@...tlin.com>
Cc:     davem@...emloft.net, Stefan Chulski <stefanc@...vell.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        maxime.chevallier@...tlin.com, gregory.clement@...tlin.com,
        miquel.raynal@...tlin.com, nadavh@...vell.com,
        ymarkman@...vell.com, mw@...ihalf.com
Subject: Re: [PATCH net-next 1/5] net: mvpp2: use the same buffer pool for
 all ports

Hello,

On Fri,  2 Mar 2018 16:40:40 +0100, Antoine Tenart wrote:
> +static struct {
> +	int pkt_size;
> +	int buf_num;
> +} mvpp2_pools[MVPP2_BM_POOLS_NUM];

Any reason for not doing:

} mvpp2_pools[MVPP2_BM_POOLS_NUM] = {
	[MVPP2_BM_SHORT] = {
		.pkt_size = MVPP2_BM_SHORT_PKT_SIZE,
		.buf_num = MVPP2_BM_SHORT_BUF_NUM
	},
	[MVPP2_BM_LONG] = {
		.pkt_size = MVPP2_BM_LONG_PKT_SIZE,
		.buf_num = MVPP2_BM_LONG_BUF_NUM,
	},
};

And get rid of:

> +static void mvpp2_setup_bm_pool(void)
> +{
> +	/* Short pool */
> +	mvpp2_pools[MVPP2_BM_SHORT].buf_num  = MVPP2_BM_SHORT_BUF_NUM;
> +	mvpp2_pools[MVPP2_BM_SHORT].pkt_size = MVPP2_BM_SHORT_PKT_SIZE;
> +
> +	/* Long pool */
> +	mvpp2_pools[MVPP2_BM_LONG].buf_num  = MVPP2_BM_LONG_BUF_NUM;
> +	mvpp2_pools[MVPP2_BM_LONG].pkt_size = MVPP2_BM_LONG_PKT_SIZE;
> +}

 ?

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com