Messages in this thread | | | Date | Mon, 22 Dec 2014 15:39:05 -0800 | From | Alex Gartrell <> | Subject | Re: [RFC PATCH net-next] tun: support retrieving multiple packets in a single read with IFF_MULTI_READ |
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Hey Herbert,
On 12/22/2014 02:34 PM, Herbert Xu wrote: > On Mon, Dec 22, 2014 at 12:18:39PM -0800, Alex Gartrell wrote: >> >> While fully aware that this makes me look like an idiot, I have to >> admit that I've tried and failed to figure out how to get a socket >> fd out of the tun device. > > Well right now the socket is only used within the kernel by > vhost so it's not exported to user-space. If we were to use > recvmmsg obviously we'd create a new interface based on sockets > for tun and expose the existing socket through that.
Ah, that explains it then. I was afraid I was just going insane :)
> The current file-based tun interface was never designed to be > a high-performance interface. So let's take this opportunity > and create a new interface (but still using the same underlying > code since whatever you create should be easily applicable to > the existing kernel user vhost).
Sounds good to me. I'll get a patch turned around soon.
Thanks, -- Alex Gartrell <agartrell@fb.com>
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