Request DLT_/LINKTYPE_ value for vSockets

[Gerard Garcia <ggarcia () deic uab cat>]

vSockets are used for host<>guest communication using the standard 
socket API. They already supported in the mainline Linux kernel and can 
be used in VMware VMs.

There is an ongoing work to implement a virtio transport which will add 
vSockets support to QEMU. Additionally, it will include a vsockmon 
device that will allow the host to monitor the data exchanged through 
vSockets.

The vsockmon device has already been reviewed and its header is already 
defined:

http://marc.info/?l=linux-netdev&m=146661193816961&w=2
https://github.com/GerardGarcia/linux/blob/vsockmon/include/uapi/linux/vsockmon.h

We have also implemented a tcpdump printer and a wireshark dissector 
which are being reviewed. We would like to request a 
DLT_VSOCK/LINKTYPE_VSOCK identifier to finish the tcpdump and wireshark 
patches.

Thanks,

Gerard

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