On Thu, Apr 07, 2016 at 08:47:01PM -0600, Lin Ma wrote: > >>> Michael Brown <mc...@ipxe.org> 2016/3/28 星期一 下午 8:23 >>> > >On 28/03/16 13:20, Lin Ma wrote: > >> We know that RX_BUF_SIZE is assigned the value 1522 in > >> src/drivers/net/virtio-net.c. > >> I'd like to know that is it ok if I write a patch to change the value > >> from 1522 to IEEE80211_MAX_FRAME_LEN(2352)? > >> If the answer is negative, Would you please tell me why? > >> I got an bug report about this, During a pxe guest installation, after > >> loading kernel, if sending jumbo frame packets, say > >> 'ping -i0.5 -M do -s 8972 $GUEST_IP' from host, The guest installation > >> will hang, So I want to increase the rx buffer > >> size of virtio-net to avoid this overflow. That's why I ask this question. > > > >This happens *after* booting the kernel? > > > >If so, then iPXE is no longer executing. Any problem would be in the > >kernel's virtio drivers. > Sorry for the late responding. > Does virtio-net of iPXE support jumbo frames ?
No, it doesn't. Stefan
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