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From: Ding Tianhong <dingtianhong@huawei.com>
To: Joe Perches <joe@perches.com>
Cc: Ding Tianhong <dthxman@gmail.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	"David S. Miller" <davem@davemloft.net>,
	Netdev <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next v2 11/20] net: packetengines: slight optimization of addr
Date: Mon, 30 Dec 2013 14:19:14 +0800	[thread overview]
Message-ID: <52C11062.9040906@huawei.com> (raw)
In-Reply-To: <1388383526.26796.21.camel@joe-AO722>

On 2013/12/30 14:05, Joe Perches wrote:
> On Mon, 2013-12-30 at 10:39 +0800, Ding Tianhong wrote:
>> I don't understand packetengine NIC anymore, But I think the change is clearly,
>> as your said, the broadcast check is enough here, did you mean that?
>>
>> 	!is_broadcast_ether_addr((u8 *)(le32_to_cpu(yp->rx_ring_dma) +
>> 						    entry * sizeof(struct yellowfin_desc)))
> 
> Not quite.  I meant this could be:
> 
> 		u8 *addr = (u8 *)(unsigned long)le32_to_cpu(yp->rx_ring_dma) +
> 							    entry * sizeof(struct yellowfin_desc);
> 
> 		if (!ether_addr_equal(addr, dev->dev_addr) &&
> 		    !is_broadcast_ether_addr(addr)) {
> 			etc...
> 
> but again, I think thus hardly matters and could just as well
> be left alone.
> 
> 

Ok, I will focus on ether_addr_equal in this patch, anymore will left alone. Thanks

Regards
Ding

> 
> 



  reply	other threads:[~2013-12-30  6:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-28  6:17 [PATCH net-next v2 11/20] net: packetengines: slight optimization of addr Ding Tianhong
2013-12-28 13:58 ` Sergei Shtylyov
2013-12-28 15:18   ` Ding Tianhong
2013-12-28 17:23     ` Joe Perches
2013-12-30  2:39       ` Ding Tianhong
2013-12-30  6:05         ` Joe Perches
2013-12-30  6:19           ` Ding Tianhong [this message]
2013-12-28 23:25     ` Sergei Shtylyov

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