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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: jeffrey.t.kirsher@intel.com, netdev@vger.kernel.org,
	gospo@redhat.com, vasu.dev@intel.com
Subject: Re: [net-next-2.6 PATCH 1/3] vlan: adds vlan_dev_select_queue
Date: Wed, 17 Feb 2010 13:43:30 -0800 (PST)	[thread overview]
Message-ID: <20100217.134330.48386140.davem@davemloft.net> (raw)
In-Reply-To: <1266414675.3246.12.camel@edumazet-laptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 17 Feb 2010 14:51:15 +0100

> This is a bit dangerous and deserves a self contained patch IMHO.
> 
> I would add for example a
> 	BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues)
> 
> ------------------
> 
> For performance reason, we could avoid calling vlan_dev_select_queue()
> for real devices without ndo_select_queue() handler, this would need to
> mirror vlan_netdev_ops & vlan_netdev_accel_ops.
> 
> It would also make vlan_dev_select_queue shorter and not duplicates
> internals of net/dev/core.c :
> 
> static u16 vlan_dev_select_queue(struct net_device *dev, struct sk_buff
> *skb)
> {
>        struct net_device *rdev = vlan_dev_info(dev)->real_dev;
>        const struct net_device_ops *ops = rdev->netdev_ops;
> 
>        return ops->ndo_select_queue(rdev, skb);
> }
> 
> 

Jeff, please resubmit this patch set after addressing
Eric's feedback.

Thanks!

  reply	other threads:[~2010-02-17 21:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-17 12:36 [net-next-2.6 PATCH 1/3] vlan: adds vlan_dev_select_queue Jeff Kirsher
2010-02-17 12:36 ` [net-next-2.6 PATCH 2/3] ixgbe: fix real_num_tx_queues update issue Jeff Kirsher
2010-02-17 12:36 ` [net-next-2.6 PATCH 3/3] net: consolidate netif_needs_gso() checks Jeff Kirsher
2010-02-17 13:51 ` [net-next-2.6 PATCH 1/3] vlan: adds vlan_dev_select_queue Eric Dumazet
2010-02-17 21:43   ` David Miller [this message]
2010-02-17 22:40     ` Vasu Dev
2010-02-18  7:37       ` Eric Dumazet
2010-02-19  1:12         ` Vasu Dev

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