Re: [MirageOS-devel] TunTap vs PACKET sockets

[Hannes Mehnert <hannes@xxxxxxxxxxx>]

On 11/19/2015 13:46, Hannes Mehnert wrote:
> On 11/19/2015 13:27, Richard Mortier wrote:
>> What's the rationale for / trade-off of using tun/tap vs using packet 
>> sockets?
> 
> I assume you're talking about socket(PF_PACKET, SOCK_RAW, _)?  This
> seems to be only supported on Linux.
> 
> On BSD systems, pcap is responsible for capturing an interface (see
> pcap_open_live / pcap_inject).

And once you use them, you'll discover that your host network stack
doesn't receive the packet's you inject via pcap_inject, and your mirage
kernel doesn't receive packets from your host (at least as far as I
remember when I did this several years ago).


hannes

Attachment: signature.asc
Description: OpenPGP digital signature

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@xxxxxxxxxxxxxxxxxxxx
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel