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

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Date:   Sun, 4 Mar 2018 06:59:20 +0000
From:   Stefan Chulski <stefanc@...vell.com>
To:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Antoine Tenart <antoine.tenart@...tlin.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "maxime.chevallier@...tlin.com" <maxime.chevallier@...tlin.com>,
        "gregory.clement@...tlin.com" <gregory.clement@...tlin.com>,
        "miquel.raynal@...tlin.com" <miquel.raynal@...tlin.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Yan Markman <ymarkman@...vell.com>,
        "mw@...ihalf.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; }
> 
>  ?
> 

No, we can change it.

Stefan.