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Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices |
Date: |
Thu, 8 Dec 2016 15:37:50 +0000 |
On 8 December 2016 at 01:52, Jason Wang <address@hidden> wrote:
> On 2016年12月07日 22:32, Peter Maydell wrote:
>> It's particularly confusing in this case that fd= doesn't work with
>> queues=, because the user isn't trying to pass multiple fds, just
>> the one is fine.
>
>
> Since fd can only accept on file descriptor, so it implies 1 queue. For
> "fds", specifying queues seems redundant, since qemu can count the #fds by
> itself.
Opening /dev/net/tun like net/tap-linux.c does also only gives
you one file descriptor, but it still supports multiple queues,
unless I'm misunderstanding how this works (quite possible).
thanks
-- PMM
- [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Peter Maydell, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Daniel P. Berrange, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Peter Maydell, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Daniel P. Berrange, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Peter Maydell, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Daniel P. Berrange, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Peter Maydell, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Jason Wang, 2016/12/07
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices,
Peter Maydell <=
- Re: [Qemu-devel] qemu -netdev tun/tap support can't handle macvtap type devices, Jason Wang, 2016/12/07