netdev - Re: [PATCH net-next V2 03/16] net: fec: pass txq to fec_enet_tx_queue instead of queue

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Message-ID: <56D71133.4000708@boundarydevices.com>
Date:	Wed, 2 Mar 2016 09:13:39 -0700
From:	Troy Kisky <troy.kisky@...ndarydevices.com>
To:	Fugang Duan <fugang.duan@....com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"b38611@...escale.com" <b38611@...escale.com>
Cc:	"fabio.estevam@...escale.com" <fabio.estevam@...escale.com>,
	"l.stach@...gutronix.de" <l.stach@...gutronix.de>,
	"andrew@...n.ch" <andrew@...n.ch>,
	"tremyfr@...il.com" <tremyfr@...il.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"laci@...ndarydevices.com" <laci@...ndarydevices.com>,
	"shawnguo@...nel.org" <shawnguo@...nel.org>,
	"johannes@...solutions.net" <johannes@...solutions.net>,
	"stillcompiling@...il.com" <stillcompiling@...il.com>,
	"sergei.shtylyov@...entembedded.com" 
	<sergei.shtylyov@...entembedded.com>,
	"arnd@...db.de" <arnd@...db.de>
Subject: Re: [PATCH net-next V2 03/16] net: fec: pass txq to fec_enet_tx_queue
 instead of queue_id

On 3/2/2016 8:16 AM, Fugang Duan wrote:
> From: Troy Kisky <troy.kisky@...ndarydevices.com>  Sent: Thursday, February 25, 2016 8:37 AM
>> To: netdev@...r.kernel.org; davem@...emloft.net; b38611@...escale.com
>> Cc: fabio.estevam@...escale.com; l.stach@...gutronix.de; andrew@...n.ch;
>> tremyfr@...il.com; linux@....linux.org.uk; linux-arm-
>> kernel@...ts.infradead.org; laci@...ndarydevices.com; shawnguo@...nel.org;
>> johannes@...solutions.net; stillcompiling@...il.com;
>> sergei.shtylyov@...entembedded.com; arnd@...db.de; Troy Kisky
>> <troy.kisky@...ndarydevices.com>
>> Subject: [PATCH net-next V2 03/16] net: fec: pass txq to fec_enet_tx_queue
>> instead of queue_id
>>
>> queue_id is the qid member of struct bufdesc_prop.
>>
>> Signed-off-by: Troy Kisky <troy.kisky@...ndarydevices.com>
>> ---
>>  drivers/net/ethernet/freescale/fec_main.c | 17 ++++++-----------
>>  1 file changed, 6 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/freescale/fec_main.c
>> b/drivers/net/ethernet/freescale/fec_main.c
>> index 9619b9e..c517194 100644
>> --- a/drivers/net/ethernet/freescale/fec_main.c
>> +++ b/drivers/net/ethernet/freescale/fec_main.c
>> @@ -1156,25 +1156,18 @@ fec_enet_hwtstamp(struct fec_enet_private *fep,
>> unsigned ts,
>>  	hwtstamps->hwtstamp = ns_to_ktime(ns);  }
>>
>> -static void
>> -fec_enet_tx_queue(struct net_device *ndev, u16 queue_id)
>> +static void fec_txq(struct net_device *ndev, struct fec_enet_private *fep,
>> +		    struct fec_enet_priv_tx_q *txq)
>>  {
>> -	struct	fec_enet_private *fep;
>>  	struct bufdesc *bdp;
>>  	unsigned short status;
>>  	struct	sk_buff	*skb;
>> -	struct fec_enet_priv_tx_q *txq;
>>  	struct netdev_queue *nq;
>>  	int	index = 0;
>>  	int	entries_free;
>>
>> -	fep = netdev_priv(ndev);
>> -
>> -	queue_id = FEC_ENET_GET_QUQUE(queue_id);
>> -
>> -	txq = fep->tx_queue[queue_id];
>>  	/* get next bdp of dirty_tx */
>> -	nq = netdev_get_tx_queue(ndev, queue_id);
>> +	nq = netdev_get_tx_queue(ndev, txq->bd.qid);
>>  	bdp = txq->dirty_tx;
>>
>>  	/* get next bdp of dirty_tx */
>> @@ -1268,11 +1261,13 @@ static void
>>  fec_enet_tx(struct net_device *ndev)
>>  {
>>  	struct fec_enet_private *fep = netdev_priv(ndev);
>> +	struct fec_enet_priv_tx_q *txq;
>>  	u16 queue_id;
>>  	/* First process class A queue, then Class B and Best Effort queue */
>>  	for_each_set_bit(queue_id, &fep->work_tx, FEC_ENET_MAX_TX_QS)
>> {
>>  		clear_bit(queue_id, &fep->work_tx);
>> -		fec_enet_tx_queue(ndev, queue_id);
>> +		txq = fep->tx_queue[FEC_ENET_GET_QUQUE(queue_id)];
>> +		fec_txq(ndev, fep, txq);
>>  	}
>>  	return;
>>  }
>> --
>> 2.5.0
> 
> The patch should merge with patch#1.
> 


Why ?  That would only hide the change in patch #1.