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Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes mi
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum |
Date: |
Mon, 27 Jun 2011 16:39:55 +0100 |
On Mon, Jun 27, 2011 at 3:23 PM, Fabien Chouteau <address@hidden> wrote:
> On 27/06/2011 15:50, Stefan Hajnoczi wrote:
>> On Mon, Jun 27, 2011 at 1:41 PM, Fabien Chouteau <address@hidden> wrote:
>>>
>>> Signed-off-by: Fabien Chouteau <address@hidden>
>>> ---
>>> slirp/slirp.c | 4 ++--
>>> 1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> Any particular bug that this fixes?
>>
>> There have been 64 byte minimum padding patches to several emulated
>> NICs. There has also been discussion about where the best place to do
>> this is. Why is this patch necessary?
>>
>
> This patch is necessary because some NICs are configured to drop short frames,
> therefore the OS will not receive some of the packets generated by Qemu.
>
> There's a first patch to fix this issue:
> http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=dbf3c4b4baceb91eb64d09f787cbe92d65188813
>
> My patch fixes two other sources of short frames.
Thanks for the explanation. I stepped back from the discussion on
where the right place to fix this is last time around. Now I'm
wondering why do anything in slirp when the other sources (tap, ...)
aren't padding to 64 bytes?
Stefan
- [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum, Fabien Chouteau, 2011/06/27
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum, Stefan Hajnoczi, 2011/06/27
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum, Fabien Chouteau, 2011/06/27
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum,
Stefan Hajnoczi <=
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum, Fabien Chouteau, 2011/06/27
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimum, Stefan Hajnoczi, 2011/06/28
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimuma, Fabien Chouteau, 2011/06/28
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimuma, Stefan Hajnoczi, 2011/06/28
- Re: [Qemu-devel] [PATCH] Make SLIRP Ethernet packets size to 64 bytes minimuma, Fabien Chouteau, 2011/06/30