netdev - Re: [PATCH] virtio_net: don't set NETIF_F

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Message-ID: <4912CB66.2050107@garzik.org>
Date:	Thu, 06 Nov 2008 05:48:06 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Mark McLoughlin <markmc@...hat.com>
CC:	Rusty Russell <rusty@...tcorp.com.au>, netdev@...r.kernel.org
Subject: Re: [PATCH] virtio_net: don't set NETIF_F_FRAGLIST

Mark McLoughlin wrote:
> On Thu, 2008-11-06 at 00:43 -0500, Jeff Garzik wrote:
>> Mark McLoughlin wrote:
>>> We don't handle skb_shared_info->frag_list, so we shouldn't
>>> be setting the NETIF_F_FRAGLIST flag.
>>>
>>> Signed-off-by: Mark McLoughlin <markmc@...hat.com>
>>> ---
>>>  drivers/net/virtio_net.c |    2 +-
>>>  1 files changed, 1 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
>>> index 0196a0d..9d4fdad 100644
>>> --- a/drivers/net/virtio_net.c
>>> +++ b/drivers/net/virtio_net.c
>>> @@ -505,7 +505,7 @@ static int virtnet_probe(struct virtio_device *vdev)
>>>  	/* Do we support "hardware" checksums? */
>>>  	if (csum && virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) {
>>>  		/* This opens up the world of extra features. */
>>> -		dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
>>> +		dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG;
>>>  		if (gso && virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) {
>>>  			dev->features |= NETIF_F_TSO | NETIF_F_UFO
>>>  				| NETIF_F_TSO_ECN | NETIF_F_TSO6;
>> applied this and tun patch
> 
> Sorry Jeff, Rusty correctly points out that we do in fact handle
> shinfo->frags; just a moment of blindness on my part.

but what about frag_list ?


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