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From: Jason Wang <jasowang@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 net-next 5/7] tun: support receiving skb through msg_control
Date: Fri, 31 Mar 2017 12:10:11 +0800	[thread overview]
Message-ID: <571168f4-981d-4f2a-4211-9b42c696ff52@redhat.com> (raw)
In-Reply-To: <20170330180414-mutt-send-email-mst@kernel.org>



On 2017年03月30日 23:06, Michael S. Tsirkin wrote:
> On Thu, Mar 30, 2017 at 03:22:28PM +0800, Jason Wang wrote:
>> This patch makes tun_recvmsg() can receive from skb from its caller
>> through msg_control. Vhost_net will be the first user.
>>
>> Signed-off-by: Jason Wang<jasowang@redhat.com>
> Do we need to bother with tun? I didn't realize one
> can even use that with vhost. What would be the point of
> all the virtio header stuff dealing with checksums etc?
>
> Even if you see a use-case is it worth optimizing?
>
>

It's for tap in fact. I use "tun" just because we have already had a 
tap.c which is used by macvtap.

Thanks

  reply	other threads:[~2017-03-31  4:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-30  7:22 [PATCH V2 net-next 0/7] vhost-net rx batching Jason Wang
2017-03-30  7:22 ` [PATCH V2 net-next 1/7] ptr_ring: introduce batch dequeuing Jason Wang
2017-03-30 13:53   ` Michael S. Tsirkin
2017-03-31  3:52     ` Jason Wang
2017-03-31 14:31       ` Michael S. Tsirkin
2017-04-01  5:14         ` Jason Wang
2017-03-30  7:22 ` [PATCH V2 net-next 2/7] skb_array: " Jason Wang
2017-03-30  7:22 ` [PATCH V2 net-next 3/7] tun: export skb_array Jason Wang
2017-03-30  7:22 ` [PATCH V2 net-next 4/7] tap: " Jason Wang
2017-03-30  7:22 ` [PATCH V2 net-next 5/7] tun: support receiving skb through msg_control Jason Wang
2017-03-30 15:06   ` Michael S. Tsirkin
2017-03-31  4:10     ` Jason Wang [this message]
2017-03-30  7:22 ` [PATCH V2 net-next 6/7] tap: support receiving skb from msg_control Jason Wang
2017-03-30 15:03   ` Michael S. Tsirkin
2017-03-31  4:07     ` Jason Wang
2017-03-30  7:22 ` [PATCH V2 net-next 7/7] vhost_net: try batch dequing from skb array Jason Wang
2017-03-30 14:21   ` Michael S. Tsirkin
2017-03-31  4:02     ` Jason Wang
2017-03-31  6:47       ` Jason Wang

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